DECODING METHOD AND APPARATUS

In the technical field of communication networks, a decoding method and apparatus are disclosed, which can improve the mean opinion score of subjective voice quality and reduce the noise risk. In an embodiment of the present invention, a first sub-stream in a demodulated soft value is decoded by using a decoder that is based on error detection code-aided decision to obtain a first decoding result; the first decoding result is corrected by using a voice frame repairing decoder to obtain a second decoding result; and parameters in the second decoding result are corrected, and a correction result is sent to a voice frame decoder. The solution provided in the embodiment of the present invention is applicable to all systems that use channel coding to implement voice transmission and provide error protection. The embodiment of the present invention comprises but is not limited to decoding of AMR, bandwidth AMR and enhanced full-rate voice coding.

吹风机风嘴

METHOD AND SYSTEM FOR PREVENTING ROGUE ACCESS POINTS IN WIRELESS LOCAL AREA NETWORK

Disclosed in the present invention are a method and system for preventing rogue access points in a wireless local area network. The method comprises: an access point controller controlling one or a plurality of monitor terminals to send a detection message to all access points, and the access point controller giving an advance notice through a secure channel that legal access points do not respond after receiving the detection message; and the access point controller determining the rogue access points in all the access points through the responses received by the monitor terminals, and controlling the monitor terminals to send an attack message to the rogue access points. The method is simple and easy to implement, and effectively solves the problem that the MAC (Media Access Control) address of a rogue AP (Access Point) is modified as the MAC address of a legal AP for illegal access.

CHANNEL DECODING METHOD AND APPARATUS, AND DISTRIBUTED DECODER

Disclosed are a channel decoding method and apparatus, and a distributed decoder. A channel decoding apparatus comprises: a decoding information obtaining unit, used for obtaining demodulation information of a channel; a channel decoding algorithm unit, used for decoding the demodulation information to obtain current decoding information, and performing cyclic redundancy check (CRC) of the current decoding information to obtain a CRC result of current decoding; and a lower-level decoding determining unit, used for determining that a lower-level channel decoding apparatus continues to decode the demodulation information if the CRC check result of the current decoding is erroneous and the lower-level channel decoding apparatus exists, decoding performance of a channel decoding algorithm unit in the lower-level channel decoding apparatus being superior to decoding performance of the channel decoding algorithm unit in the channel decoding apparatus. Also disclosed are a channel decoding method ...

DATA TRANSMISSION METHOD, SENDING DEVICE, RECEIVING DEVICE AND COMMUNICATION SYSTEM

Disclosed are a data transmission method, sending device, receiving device and communication system. The sending device is used for sending a first transmission block, wherein the sending device acquires an encoded bit segment from a first encoded code block, the first encoded code block being obtained by means of performing, according to processing capacity of a receiving device, LDPC encoding on a first code block in the first transmission block; and the sending device sends the encoded bit segment to the receiving device. Since the processing capacity of the receiving device is taken into consideration, the storage overhead of the sending device or the receiving device can be reduced, and the complexity of encoding or decoding is reduced, thereby improving the success rate of decoding.

Separated micro turbojet engine

The invention discloses a separated micro turbojet engine which comprises an axial flow compressor, a combustion chamber unit body, a stator casing, a generator, a bearing, a rotating shaft and a double-sided rotor, the rotating shaft penetrates through the axial flow compressor, the stator casing is arranged in the axial flow compressor, the generator and the bearing are arranged in the stator casing, and the double-sided rotor is arranged on the rotating shaft in a sleeving mode; the axial flow compressor pressurizes the air flow, and all parts in the stator casing can be cooled through flowing of the air flow, so that the difficulty of cooling work of the bearing and the generator is reduced. The input airflow pressure ratio in the combustion chamber unit body is increased, and the combustion efficiency is greatly improved; air flow generated by combustion blows the double-face rotor, the double-face rotor rotates to continuously pressurize the air flow, and the working requirement for ...

DECODING PROCESSING METHOD AND DECODER

Embodiments of the present invention provide a decoding processing method and a decoder. The method comprises: obtaining a compound generation matrix Gcom of a Turbo code generation matrix Gturbo and a cyclical redundancy check (CRC) generation matrix Gcrc; obtaining a log-likelihood ratio sequence output by a Turbo code decoder; and using the compound generation matrix Gcom and log-likelihood ratio sequence to perform CRC-assisted Turbo code iterative ordered statistics decoding to obtain the decoding processing result. A Turbo code decoding method and a device provided in the embodiments of the present invention can improve a decoding performance gain.

Business data outlier analysis method based on audit intermediate table

The invention provides an audit intermediate table-based business data outlier analysis method, which comprises the following steps of: S1, identifying invisible synonym field attribute combinations in all audit intermediate tables based on field attributes in all audit intermediate tables of the same business source data; s2, determining data table macroscopic features of all the audit intermediate tables corresponding to the business source data based on association relationships among all the audit intermediate tables, field attributes in all the audit intermediate tables and all invisible synonym field attribute combinations; s3, determining service logics of all audit intermediate tables corresponding to the service source data based on the macroscopic features of the data tables; s4, performing outlier analysis on the basic data, the operation behavior data and the relational data in the audit intermediate table based on business logic to obtain a business data outlier analysis result ...

Shifting piece type brush opening structure and assembling method

The invention discloses a shifting piece type brush opening structure, which relates to the technical field of motors, and is characterized in that the shifting piece type brush opening structure comprises a motor shell, a carbon block used for being in contact with the outer side of a rotor and an electric brush arm connected with the carbon block are arranged in the motor shell, and the motor shell is integrally connected with a brush opening stand column; one end of the electric brush arm is used for being connected with the carbon block, and the other end of the electric brush arm is used for being connected with the motor shell; the brush opening stand column is located on the outer side of the end, connected with the carbon block, of the electric brush arm, and the outer side of the brush opening stand column is used for abutting against and fixing the inner side of the corresponding end of the electric brush arm. The end, connected with the carbon block, of the electric brush arm ...

Device for detecting VBG coupling process of semiconductor laser

The invention discloses semiconductor laser VBG coupling process detection equipment which comprises a base, two positioning units and a lens clamping unit are arranged on the base, a mounting groove is further formed in the base, and a lens detection unit is arranged in the mounting groove; wherein the two positioning units are used for positioning a semiconductor laser base, and the lens clamping unit is used for clamping a lens body; according to the invention, through the arrangement of the positioning unit, the semiconductor laser base can be positioned from the periphery through the pressing plate and the auxiliary part in the positioning unit, so that the center positioning of the semiconductor laser base is realized; according to the contact device, the elastic contact piece is arranged, so that the impact generated when the contact device is in instant contact with the semiconductor laser base can be reduced, the protection effect is achieved, meanwhile, the contact area between ...

Large reduction device and method for fan-shaped section of plate blank

The invention provides a fan-shaped section large reduction device and method for a plate blank. The fan-shaped section large reduction device comprises a reduction roller and a reduction control device. The pressing rollers comprise at least two pairs of driving rollers and a pair of free rollers arranged between the adjacent driving rollers; each pair of driving rollers comprises an upper driving roller and a lower driving roller, and each pair of free rollers comprises an upper free roller and a lower free roller; each pair of driving rollers is connected with a transmission device, and the upper driving rollers and the lower driving rollers are driven to rotate through the transmission devices. The screw-down control device comprises a first screw-down cylinder arranged on the upper driving roller and a second screw-down cylinder arranged on the upper free roller. By means of the method, the problems that in an existing large reduction technology for the slab fan-shaped section, the ...

String rod type steel coil stacking AGV system and working method

The invention relates to the technical field of large coil carrying and stacking, in particular to a string rod type steel coil stacking AGV system and a working method.Brackets are symmetrically arranged along the two sides of the top end of a stacking frame and symmetrically arranged on the two sides of the top end of a stacking AGV, each bracket comprises a supporting plate, the inner side of the bottom end of each supporting plate is connected with a supporting column, and the outer side of the bottom end of each supporting plate is connected with a telescopic column; clamping assemblies are arranged at the outer side ends of the telescopic columns, in the initial state, the movable ends of the telescopic columns are clamped through the clamping assemblies, the telescopic columns are lifted to a fixed height, so that the supporting plates on the two sides are unfolded in an inverted splayed shape and used for supporting the coil stock, and when the stacking AGV moves to the side of ...

T-beam intelligent maintenance system and storage medium

The invention relates to the technical field of cement product maintenance, in particular to a T-beam intelligent maintenance system and a storage medium. Comprising a watering device, a controller and a plurality of temperature and humidity sensors. The watering devices are arranged on the top and the side face of the T beam, the temperature and humidity sensors are evenly arranged on the surface of the T beam, the controller comprises a compensation module and a watering control module, and the compensation module is used for calculating a first compensation parameter according to data of the temperature and humidity sensors; and the water sprinkling control module is used for adjusting the water sprinkling amount of the water sprinkling device according to the first compensation parameter. According to the technical scheme, the watering strategy can be intelligently adjusted.

Control method and device, equipment and computer readable storage medium

The embodiment of the invention discloses a control method and device, equipment and a computer readable storage medium. The method comprises the steps that in the self-adaptive cruise process of a vehicle, the running mode and road condition information of the vehicle are obtained; determining a target acceleration based on the vehicle speed at the current moment and the operation mode; and adjusting the cruising speed of the vehicle according to the road condition information and the target acceleration. The target acceleration adaptive to each operation mode is determined based on the vehicle speed and the operation mode at the current moment so as to meet the acceleration requirements of different operation modes, and the cruise speed of the vehicle is adjusted according to the road condition information and the target acceleration, so that the cruise speed of the vehicle can be automatically and rapidly adjusted under the complex road condition, and the driving safety is improved.

THIN FILM DEPOSITION PREPARATION DEVICE AND METHOD

Provided are a thin film deposition preparation device and method. The device comprises a growth chamber, two rotation shafts for substrate winding reels and a substrate heating device. The substrate heating device comprises a first electrode group and a second electrode group located between the two rotation shafts for substrate winding reels and arranged in parallel in the growth chamber. A thin film growth area is provided between the two electrode groups. Each electrode group respectively comprises a power supply interface and at least two substrate contact electrode blocks electrically connected to each other. The substrate contact electrode blocks are distributed on two sides of a substrate channel and form an electric connection with the power supply interface. The method comprises using the electrodes to supply power to the substrate, conducting an electric current from one end of the metal substrate and out of another end, achieving heating using the electrical resistance heat ...

RICH-LEAN PULVERIZED COAL SEPARATION AND ARRANGEMENT MODE OF DIRECT-FLOW BURNERS IN EIGHT CORNERS WITH DOUBLE FIREBALLS

A rich-lean pulverized coal separation and arrangement mode of direct-flow burners in eight corners with double fireballs for burning anthracite coal comprises a boiler body (1), a furnace (2), a coal grinding mill (3), a rich-lean pulverized coal separator (4), a pulverized coal pipe (5), a primary air/rich pulverized coal nozzle (6) and a primary air/lean pulverized coal nozzle (7). Each boiler body (1) is provided with eight groups of burners (10) which are located at the same level wherein four groups of burners (10) form an imaginary tangential circle (11) inside the furnace (2), and the other four groups of burners (10) form another imaginary tangential circle (12) inside the furnace (2). Each group of burners (10) is divided into two subgroups in the vertical direction wherein the first subgroup of burners (10) is named a primary air/rich pulverized coal burner, and the second subgroup of burners (10) is named a primary air/lean pulverized coal burner. On the premise of ensuring ...

Control method and control circuit of solar street lamp

The invention relates to the technical field of solar street lamp control, in particular to a control method and a control circuit of a solar street lamp. The control method is applied to a control circuit of the solar street lamp, the control circuit comprises a solar module, a voltage reduction module, a battery, a mains supply and the solar street lamp, the voltage reduction module is connected with the solar module, the battery, the mains supply and the solar street lamp, and the solar module charges the battery through the voltage reduction module. The control method comprises the following steps: acquiring battery voltage; comparing the obtained battery voltage with a first preset voltage value; and controlling a battery to supply power to the solar street lamp according to the first comparison result, or controlling switching of a mains supply to supply power to the solar street lamp after voltage reduction through a voltage reduction module. The whole circuit structure can be simplified ...

DISTRIBUTED TASK SCHEDULING METHOD AND SYSTEM

The present invention provides a distributed task scheduling system, comprising: a plurality of application servers (102) for establishing TCP connections with intermediate servers (104), registering IP addresses and Job information in the intermediate servers (104), and executing allocated subtasks; a plurality of intermediate servers (104) for managing the application servers (102); and a distributed coordination server (106) for deploying Zookeeper and establishing connections with the intermediate servers (104), the Zookeeper unifiedly coordinating the intermediate servers (104).

Axial large bearing high-speed ball spinning machine

... 种轴向大承载高速滚珠旋压机，属于机械设计与材料加工领域，其特征是：上横梁上安装有活塞缸，活塞杆下端与活动横梁连接，芯模上端与活动横梁连接，管坯套在芯模外面，芯模下端穿入到模环中心孔内，模环中心孔内装有滚珠。电主轴与连接在工作平台下方的支撑架通过螺栓连接固定，其输出轴即为中空的芯轴；工作平台中心孔内安装有制有台阶中心孔的法兰盘，法兰盘中心孔内安装有止推轴承，止推轴承上面与模环下端面相抵触，芯轴上段活套在止推轴承中心孔内，其顶段通过螺纹与模环连接。优点是改善了电主轴的轴向承载能力较弱问题，实现了旋压机的高低速切换，提高了旋压机通用性。 ...

Hybrid electric vehicle driving method, device, equipment, medium and product

The invention relates to a hybrid electric vehicle driving method and device, computer equipment, a storage medium and a computer program product. The method comprises the steps that firstly, the hybrid electric vehicle is controlled to enter a pure electric mode according to an accelerator pedal opening signal, then the pure electric equivalent fuel consumption rate is determined according to the historical average fuel consumption rate of an engine, and then the series equivalent fuel consumption rate is determined according to the power generation electric quantity and the required electric quantity of a generator; controlling the hybrid electric vehicle to enter a series connection mode according to the pure electric equivalent fuel consumption rate and the series connection equivalent fuel consumption rate, determining a parallel connection equivalent fuel consumption rate according to the engine direct drive energy and the vehicle driving demand energy, and finally determining the ...

Vehicle tail gas temperature control treatment method, device and equipment and storage medium

The invention discloses a vehicle tail gas temperature control treatment method, device and equipment and a storage medium. The method comprises the following steps: acquiring vehicle operation parameters of a target vehicle; determining vehicle working condition information corresponding to the target vehicle based on the vehicle operation parameters; based on the vehicle working condition information and a pre-constructed working condition temperature comparison table, determining a target tail gas temperature required when the target vehicle is subjected to tail gas treatment; and on the basis of the vehicle working condition information, the current tail gas temperature of the target vehicle and the target tail gas temperature, tail gas of the target vehicle is subjected to temperature control treatment through an electric heating device, and therefore the tail gas temperature can be increased, the tail gas conversion efficiency can be improved, and fuel consumption and pollution gas ...

BLOCK ERROR RATIO ESTIMATION METHOD AND COMMUNICATION DEVICE

A block error ratio (BLER) estimation method and a communication device are disclosed in the present invention, which are applied in the field of communications technology. Wherein the BLER estimation method includes: decoding the received N coded coding blocks to obtain a plurality of posteriori probabilities (101), wherein the N is a natural number greater than one; obtaining a correct or incorrect decoding result of each coded coding block according to the plurality of posteriori probabilities and a preset strategy(102), wherein the preset strategy includes: when the sum of the absolute values of the plurality of posteriori probabilities is greater than or equal to a preset threshold, the decoding result is correct; and obtaining the decoding BLER according to the correct or incorrect decoding results of N coded coding blocks(103). The estimation of the decoding BLER is implemented.

REFINING METHOD FOR 2-NITRO-4-METHYLSULFONYL BENZOIC ACID AND INTERMEDIATE THEREOF

Disclosed are a refining method for 2-nitro-4-methylsulfonyl benzoic acid and an intermediate thereof. The method comprises the following steps of: synthesizing an intermediate organic ammonium salt (III) in an organic solvent using a crude 2-nitro-4-methylsulfonyl benzoic acid (I) product as a raw material and an organic amine (II) as an base; treating the organic ammonium salt (III) with an inorganic base in a water phase to obtain an inorganic metal salt (IV) or inorganic metal salt (IV'); then adding an inorganic acid therein for acidification so as to obtain a refined 2-nitro-4-methylsulfonyl benzoic acid (I) product.

Seat type reach forklift

The invention relates to the technical field of forklift equipment, in particular to a seat type reach forklift which comprises a forklift body, a rail portal is fixedly mounted at the top of the forklift body, a backup plate shell is slidably connected to one side of the rail portal, and a fork frame is fixedly connected to the backup plate shell through bolts. An anti-tilting piece used for preventing goods from tilting is arranged in the position, above the fork frame, of the interior of the backup plate shell, a movable seat is fixedly installed on the position, below the backup plate shell, of one side of the track portal frame, a height piece used for limiting the fork frame is fixedly connected between the movable seat and the fork frame, and the height piece internally comprises a telescopic frame and a sleeve which are used for connecting the fork frame and the forklift body. And a buffer piece is arranged between the telescopic frame and the sleeve. When the forklift body moves ...

Weighing device for lifting continuous casting billet on line by adopting pressure type sensor

The invention relates to a weighing device for lifting a continuous casting billet on line by adopting a pressure sensor, which comprises a roller way frame, a weighing cross beam, a hanging frame, a pressure sensor, a cross rod, a rotating rod and a hydraulic cylinder, the roller way frame is provided with a plurality of roller ways, the lower end of the pressure sensor is connected with the cross rod, and the upper end of the pressure sensor is connected with the weighing cross beam; the cross rod, the roller way frame and the two parallel rotating rods form a connecting rod mechanism, the hydraulic cylinder is fixed on the roller way frame, at least one rotating rod is connected with the hydraulic cylinder, the middle part of the rotating rod is connected with a hinged support fixed on the roller way frame, one end of the rotating rod is hinged with the cross rod, and the hanging frame is fixed below the weighing cross beam. According to the invention, high-precision on-line weighing ...

Vacuum heat insulation device of continuous casting tundish, manufacturing method of vacuum heat insulation device and tundish

The invention provides a vacuum heat insulation device of a continuous casting tundish, a manufacturing method of the vacuum heat insulation device and the tundish. The vacuum heat insulation device comprises a vacuum inner container and a supporting framework. The vacuum liner comprises a liner inner shell and a liner outer shell; the inner container shell and the outer container shell are arranged in a sealed mode, and a closed vacuum space is formed between the inner container shell and the outer container shell. The outer side wall of the inner container shell and the inner side wall of the outer container shell are each provided with a reflection heat radiation layer. The supporting framework is arranged in the vacuum space. By means of the tundish, the problems that in the prior art, the problem that a tundish is deformed due to heating, consequently, a water gap is not centered, a casting blank is desquared, steel breakout is caused, and the service life of the tundish is seriously ...

PREPARATION AND APPLICATION OF BIPHENYL COMPOUND

Provided are preparation and application of a biphenyl compound. Using 2-nitroarylethylene and substituted 1,3-butadiene as raw materials to obtain a 2-aminobiphenyl compound, a 2-nitrobiphenyl compound or a mixture thereof in one step. The 2-nitrobiphenyl compound obtained in a reaction or the mixture of the 2-nitrobiphenyl compound and the 2-aminobiphenyl compound can prepare the 2-aminobiphenyl compound by reduction. Using the 2-aminobiphenyl compound prepared in a preceding method as a raw material to react with acyl chloride can prepare an amide compound provided with a sterilization function. The method avoids using a metal compound, a noble metal catalyst or a special boron reagent, and uses compound materials that can be easily obtained to obtain the biphenyl compound in the one step. Process steps are less, and after-treatment is simple, facilitating industrialization.

Vehicle driving mode control method and device, equipment and medium

The embodiment of the invention discloses a whole vehicle driving mode control method and device, electronic equipment and a computer readable medium, and the method comprises the steps: determining a driving path mode of a vehicle according to a navigation mode of the vehicle and historical driving data; a plurality of weight coefficients corresponding to the driving path mode and parameter values of current driving influence factors corresponding to the weight coefficients are obtained, and the driving influence factors are used for representing factors influencing the driving state of the vehicle; updating a driving parameter threshold value according to the plurality of weight coefficients and the parameter values of the plurality of current driving influence factors, wherein the driving parameter threshold value is used for representing a switching critical value of a whole vehicle driving mode; and controlling the switching of the whole vehicle driving mode of the vehicle according ...

ITERATIVELY DECODING METHOD AND DEVICE

The present invention relates to the field of communications, and disclosed are an iteratively decoding method and device. The method comprises: according to the fixed number of iterations that is set in advance for each code block and the actual number of iterations of each code block preceding a current code block, obtaining the number of iterations saved before decoding the current code block; according to the fixed number of iterations that is set in advance for each code block and the obtained number of iterations saved before decoding the current code block, obtaining the maximum number of iterations of the current code block; according to the maximum number of iterations of the current code block, performing iterative decoding on the current code block. The device comprises: a first obtaining module, a second obtaining module, and a decoding module. According to the technical solutions of the present invention, the maximum number of iterations of the current code block is obtained ...

POWER SUPPLY APPARATUS AND ILLUMINATION SYSTEM

Disclosed are a power supply apparatus and an illumination system. The power supply apparatus comprises: a solar panel, a storage battery, a charging management circuit, a control circuit and a voltage-stabilizing circuit, wherein a positive electrode of the solar panel, an input end of the charging management circuit and a first input end of the voltage-stabilizing circuit are connected to each other; an output end of the charging management circuit, a positive electrode of the storage battery and a second input end of the voltage-stabilizing circuit are connected to each other; an output end of the voltage-stabilizing circuit is connected to a power supply end of the control circuit; a first control end of the control circuit is connected to a controlled end of the charging management circuit; the voltage-stabilizing circuit is used for carrying out voltage-stabilizing processing on electric energy output by the solar panel or the storage battery, and outputting a working power supply ...

INTERLACING METHOD, ENCODING METHOD, INTERLACER AND ENCODER

An interlacer and a method for interlacing in a communicating system are provided, and an encoding method and an encoder are also provided. Particularly, it is possible to reduce the number of filler bits during encoding and improve the usage of system frequency band by way of increasing the new length of a data block and reducing the interval among various data blocks based on the length of the data block provided by the current system.

Transportation method and transportation equipment for capping beam construction platform

The invention provides a transportation method and transportation equipment for a capping beam construction platform, and the transportation method comprises the steps: lifting the capping beam construction platform to the upper part of a bridge pier by climbing equipment attached to the bridge pier for lifting, fixing a mechanical hoop for bearing the capping beam construction platform on the bridge pier, and then lifting the climbing equipment to the upper part of the bridge pier; and the bent cap construction platform and the hanging basket are lifted, and after the bent cap construction platform falls on the mechanical hoop, the climbing equipment and the hanging basket descend to the ground. According to the transportation method provided by the invention, the climbing equipment does not need to bear the capping beam construction platform in the climbing or descending process of the climbing equipment, so that the use requirements of the electric hoop and the jacking execution device ...

Narrow linewidth fiber laser detection equipment

The invention relates to narrow linewidth fiber laser detection equipment, which comprises a frame and a laser body, a mounting groove is formed in the frame, a driving piece is arranged in the mounting groove, two positioning pieces are symmetrically arranged on the driving piece, and the two positioning pieces are used for positioning the laser body; the top of the frame is also provided with an impact detection unit, the impact detection unit is located above the laser body, and the impact detection unit is used for carrying out impact detection on the laser body; according to the laser device, the driving piece and the positioning pieces are used in cooperation, the two positioning pieces can be driven by the driving piece to clamp the laser device body from the two sides, meanwhile, the laser device body can be positioned from the upper portion through the upper protrusions in the positioning pieces, and therefore the laser device body can be positioned in multiple directions, stability ...

USB flash disk ware of looking for something

... 本实用新型公开了种U盘寻物器，设有用于为U盘寻物器供电的电池、电路板、传声器和警示器，所述电路板设有用于存储预设寻物录音音频的存储器、用于将输入的声音信号转换成数字音频信号的声音监听电路、能够判断输入的两路音频信号是否相匹配的声音比对电路和能够将所述声音比对电路输出判断结果为是的信号转换为报警驱动信号输出的警示信号驱动电路，其特征在于：所述的U盘寻物器还设有USB接口，所述的电路板还设有USB主控电路；所述USB接口通过USB主控电路连接所述存储器，所述USB接口所插接的外部设备通过所述USB主控电路与所述存储器传输数据。本实用新型具有不容易丢失、便于携带、便于充电、寻物效率高和使用寿命长的优点。 ...

State-owned asset supervision and management system

The invention provides a state-owned asset supervision and management system, and the system comprises an index analysis module which is used for obtaining an index analysis result based on the hierarchy analysis context of a to-be-analyzed index in an enterprise level tree of a corresponding type of state-owned assets and a data report library of the state-owned assets; the supervision and early warning module is used for obtaining a supervision and early warning result based on a preset early warning rule and the index analysis result; the report generation module is used for generating an asset analysis report based on an association result obtained by correspondingly associating the index analysis result and the supervision early warning result with the generation component of the content module in the report template; the report auditing module is used for updating the asset analysis report based on the report auditing process to obtain a report auditing result; the problem rectification ...

Method for analyzing rationality of planning scheme of special lane for networked automatic driving vehicle

The invention provides a rationality analysis method for a special lane planning scheme of a networked autonomous vehicle, and the method comprises the steps: dividing different car-following modes by considering the types of front and rear vehicles and the formation characteristics of CAV vehicles, and corresponding to different time headways in a mixed traffic flow according to the different car-following modes; establishing a macroscopic probability model to calculate the average time headway of the vehicles and the corresponding road traffic capacity under the mixed driving condition; deducing a road section impedance function suitable for the mixed traffic flow based on the research on the road traffic capacity in the mixed traffic scene; assuming that the lane selection of the CAV travelers follows a user equilibrium condition after the special lane is set, and obtaining the proportion of the CAV travelers for selecting the special lane; and obtaining the rationality judgment condition ...

Outdoor remote control trackless carrier

The outdoor remote control trackless carrier comprises supporting legs, a working box is fixedly connected to the middles of the bottoms of the supporting legs, a transmission mechanism is arranged in the working box, a transport box is fixedly connected to the right sides of the tops of the supporting legs, and an unloading plate is hinged to the left side of the transport box through a hinge; a contact buffer mechanism and an auxiliary buffer mechanism are arranged in the unloading plate; when one side of a cargo is firstly in contact with a rubber pulley, a spring is extruded and contracted, at the moment, a piston rod extrudes damping oil in a buffer cylinder, the pressure borne by a piston disc is increased, the piston rod on the right side of the piston disc can be buffered, and meanwhile a friction roller slides on a rubber layer on the inner wall of the buffer cylinder; the friction force between the friction roller and the rubber layer is increased through the protruding spot blocks ...

Torque precision determination method and device of hybrid power system and vehicle

The invention discloses a torque precision determination method and device for a hybrid power system and a vehicle, and the method comprises the steps: obtaining the relation data between the engine reference torque precision and the motor torque precision when the hybrid power system meets a preset first self-adaptive enabling condition, obtaining relational data between the torque precision of the target torque reference point of the engine and the reference torque precision of the engine when the hybrid power system meets a preset second self-adaptive enabling condition; according to the relational data of the engine reference torque precision and the motor torque precision, the relational data of the engine target torque reference point torque precision and the engine reference torque precision and the motor torque precision, the torque precision of any required torque is obtained; the torque precision of the required torque of the hybrid power system under different torque components ...

Image compression method, system and device applied to LED display control system

The invention discloses an image compression method, system and device applied to an LED display control system, and belongs to the field of image compression, and the method comprises the following steps: carrying out the hard decoding of an HDMI or DVI video interface input signal, and analyzing an original RGB image data stream; caching a piece of complete image frame data in a DRAM (Dynamic Random Access Memory); carrying out overall compression coding processing on the complete image frame data; packaging the image data subjected to the overall compression coding processing into Ethernet frame data according to two-dimensional information; analyzing the compressed image data from the Ethernet frame data; carrying out partition decompression and decoding processing on the analyzed image data; and caching the image frame data subjected to partition decompression and decoding processing in a DRAM (Dynamic Random Access Memory). According to the invention, an intra-frame compression transmission ...

Method for preparing anti-oxidation coating on graphite surface

The invention provides a graphite material for metal smelting. A pyrolytic carbon coating is compounded on the surface of a graphite matrix. According to the graphite material with the anti-oxidation coating, the pyrolytic carbon anti-oxidation coating is uniform and compact, is firmly combined with a graphite body material, is high in binding force, is difficult to fall off, does not contain non-carbon elements, greatly prolongs the service life of the graphite material under a high-temperature working condition, and has the advantages of being good in anti-oxidation performance, long in service life and the like. The invention further provides a method for preparing the anti-oxidation coating on the graphite surface, and the method is simple in process, easy to operate, low in cost and suitable for large-scale industrial production.

TRIKETONE AMMONIUM SALT COMPOUND, AND PREPARATION METHOD AND APPLICATION THEREOF

The present invention relates to a triketone ammonium salt compound, and preparation and application thereof. The triketone compound is used as a raw material, and organic base or inorganic base is used in organic solution to prepare the triketone ammonium salt compound; the triketone ammonium salt compound is dissolved in alkali and separated out by acid, or directly treated with acid to obtain a refined triketone compound. The present invention has the following benefits: the refinement of low-quality triketone compound effectively reduces the content of harmful impurities, improves product quality, and has a stable process and reduces "three wastes" (waste gas, waste water, and solid waste).

Linear modulation method for updating conductance of two-dimensional ferroelectric field effect transistor

The invention aims to provide a linear modulation method for updating conductance of a two-dimensional ferroelectric field effect transistor, and belongs to the technical field of two-dimensional field effect transistors. According to the method, on the basis of a two-dimensional ferroelectric field effect transistor of a LiNbO3/HfO2/MoS2 system, the accumulation state of different current values of the transistor is changed by changing the periodic characteristics of optical pulses and electric pulses, namely by adjusting the period time and the energy magnitude of each optical pulse and the energy magnitude of each electric pulse in the period; therefore, the linear increase or decrease of the channel current of the transistor is caused, the limitation of the rapid saturation trend of the conductance updating state is broken through, the good linearity of conductance updating is realized, and a good foundation is laid for image processing application.

Composite diaphragm, preparation method thereof and lithium ion battery

The invention provides a composite diaphragm, a preparation method thereof and a lithium ion battery. The composite diaphragm comprises a microporous membrane and a first coating arranged on at least one side of the microporous membrane; the first coating comprises a polymer and a first mixed solid electrolyte; the first coating is subjected to chemical cross-linking curing; the first mixed solid electrolyte comprises a first inorganic solid electrolyte and a first polymer solid electrolyte; the mass percentage ratio of the polymer to the first mixed solid electrolyte in the first coating is (85-99): (1-15). The composite diaphragm provided by the invention has good adhesive property, high ionic conductivity and thermal compounding strength.

DISTRIBUTED TRANSACTION HANDLING METHOD AND SYSTEM

A distributed transaction handling method, comprising: a primary service system dividing a distributed transaction into multiple sub-transactions, recording corresponding operation states in a main transaction table, and sending to corresponding secondary service systems instructions to execute the sub-transactions, respectively; and the secondary service systems performing, according to the instructions of executing the sub-transactions, corresponding operations in preliminary tables of the sub-transactions, and recording corresponding operation states in corresponding sub-transaction tables.

INFORMATION PROCESSING METHOD, DEVICE AND COMMUNICATION SYSTEM

Disclosed in the present application are an information processing method, device and communication system. The method may be used in a communication system, comprising: obtaining an input sequence, obtaining C code bocks according to the input sequence and a largest code block length Z in a code block length set, wherein each code block comprises an input bit segment in the input sequence, at least one of the code blocks comprises a cyclic redundant checksum (CRC) bit segment having a length L, or, a filling bit segment; B, Z and C are all integers greater than 0, and L is an integer greater than or equal to 0, and less than Z. The code blocks outputted after processing an input sequence by using the present method may adapt to the requirements of channel coding.

Lithium battery diaphragm and preparation method thereof

The invention provides a lithium battery isolating membrane and a preparation method thereof, the lithium battery isolating membrane comprises a base membrane and a bio-based coating, and the bio-based coating is arranged on the surface of one side or two sides of the base membrane; the bio-based coating is prepared from the following raw material components: a solvent, ceramic, a bio-based polymer, polymethyl methacrylate, a dispersing agent and a binding agent. According to the novel lithium battery diaphragm provided by the invention, the electrochemical stability of the lithium battery, the safety of the lithium battery and the service life of the lithium battery can be improved.

Road steel slag-ardealite water stabilizing material and preparation method thereof

The invention discloses a road steel slag-ardealite water stabilizing material and a preparation method thereof. The water stabilizing material is prepared from the following components in percentage by mass: 20 to 40 percent of steel tailings, 25 to 30 percent of ardealite, 20 to 25 percent of sandstone, 5 to 10 percent of desulfurized fly ash, 6 to 8 percent of fine quartz powder, 3 to 5 percent of cement and 1 to 2 percent of water. The steel tailing-ardealite water stabilizing material disclosed by the invention takes industrial solid wastes generated by iron and steel enterprises and phosphorus chemical enterprises as main raw materials, so that the problem of environmental pollution caused by massive stockpiling of the steel tailings and the ardealite at present is solved, mountain cutting and quarrying can be reduced, the bottleneck of resource supply is effectively relieved, comprehensive utilization of the steel tailings and the ardealite in a region is realized, and the economic ...

Drawing system and method for retaining wall section and storage medium

The invention relates to the technical field of engineering drawing, in particular to a drawing system and method for a retaining wall section and a storage medium. The method applies the system, and the system comprises an input module and a conversion module. The input module comprises a standard input sub-module and a demand input sub-module, the standard input sub-module is used for inputting standard given values of a plurality of groups of size data and setting a reference data type, and the demand input sub-module is used for inputting reference data of the size of a cross-section diagram needing to be drawn; the conversion module comprises a numerical value conversion sub-module and a command conversion sub-module, and the numerical value conversion sub-module is used for obtaining numerical values of other section size data required for drawing a section diagram according to filled reference data, a standard given value and a set reference data type; and the command conversion ...

Slab and girder

... 本实用新型公开了种板梁结构，包括板梁本体，在板梁本体两翼设有与其垂直的支撑梁，在板梁本体中部开设槽型梁结构，管道安放在槽型梁结构内，在槽型梁结构上铺设盖板实现密封，本实用新型既通过在桥身结构上设置槽型梁结构，再保证桥身结构本身的强度下，既能实现输水管的快速安装，又能实现对管道的及时检修，方便快捷，且实用强，具有很好的市场前景。 ...

Sound production structure of electronic toy dog

The invention discloses a sounding structure of an electronic toy dog, which comprises a toy dog, a storage battery is arranged on one side in the toy dog, a U-shaped mounting plate is arranged on the top of the other side in the toy dog, and a metal contact piece I is arranged in the middle of the bottom of the U-shaped mounting plate; the first metal contact piece is connected with the storage battery through an external wire, and a connecting rod is arranged at the edges of the two sides in the U-shaped mounting plate in a penetrating mode. Through the mutual cooperation of the placing plate, the connecting rod, the U-shaped mounting plate, the limiting rod, the spring, the fixing rod, the mounting groove, the connecting sleeve plate, the fixing groove and the through groove, the disassembly and assembly function of the control unit can be realized, so that an operator can conveniently disassemble, overhaul and replace the control unit in the later period, and through the structural ...

Movable steel sleeper for large-displacement telescopic device and beam end telescopic device

The invention provides a movable steel sleeper for a large-displacement telescopic device and a beam end telescopic device. The movable steel sleeper for the large-displacement telescopic device comprises a movable steel sleeper body, the movable steel sleeper body comprises a top plate and a web plate, a first mounting through hole is formed in the top plate, and a mounting groove is formed in the web plate; at least part of the mounting sleeve is arranged in the mounting groove, and the mounting sleeve is provided with a mounting hole corresponding to the first mounting through hole; one end of the first locking structure penetrates out of the first mounting through hole and is connected with the mounting hole; two positioning protrusions are arranged on the outer wall face of the mounting sleeve and are sequentially arranged at intervals, one positioning protrusion abuts against the first side face of the web, and the other positioning protrusion abuts against the second side face of ...

Printed circuit board

The invention discloses a printed circuit board, and belongs to the technical field of electronic product manufacturing, the printed circuit board comprises a first sub-circuit layer to an Mth sub-circuit layer and a first substrate to an Nth substrate located between the adjacent sub-circuit layers, the first sub-circuit layer to the Mth sub-circuit layer are stacked in sequence, M is an integer greater than or equal to 2, and N is equal to M-1, any nth substrate is located between the mth sub-circuit layer and the (m + 1) th sub-circuit layer, m is an integer greater than or equal to 1 and less than or equal to M, and n is equal to m; the printed circuit board comprises an inspection area, and the inspection area comprises a first identification area to an Mth identification area. Any mth sub-circuit layer comprises an mth conductive layer and an mth identification area, and the mth conductive layer and the mth identification area are arranged at an interval; and from the first identification ...

Communication method and device, terminal, communication equipment and readable storage medium

The invention provides a communication method and device, a terminal, communication equipment and a readable storage medium, the communication method is applied to the terminal, and the method comprises the following steps: under the condition of receiving downlink control information DCI, acquiring a first code point of a first indication domain in the DCI, the first indication domain being an indication domain used for indicating a transmission mode of the terminal; based on a first mapping relationship data set, determining a first target transmission mode corresponding to the first code point, the first mapping relationship data set comprising a mapping relationship between at least two code points and a transmission mode, the at least two code points comprising the first code point, and the transmission mode comprising the first code point; the first target transmission mode is used for indicating at least one of the following transmission modes between the terminal and a network side ...

Carpooling travel traffic flow distribution method and system

The invention discloses a carpooling travel traffic flow distribution method and system, and the method comprises the steps: constructing an original traffic network into a three-layer structure expansion network through introducing a virtual road section and a virtual node according to a travel mode which can be selected by a traveler in the traffic network; calculating travel fees related to road sections in the expanded network, including travel time fees, fuel fees, inconvenience fees, fees paid to the shared drivers by the shared passengers and income of the shared drivers, and obtaining road section travel costs of different travel modes; and establishing a carpooling travel traffic flow distribution model according to a user balance principle, and calculating to obtain traffic flows of different travel modes of each road section in the traffic network. The method has the advantages that the problems of travel path selection and travel mode selection in a carpooling travel traffic ...

Organosilicone elastomer, preparation method thereof, flexible sensor and preparation method thereof

The invention provides an organic silicon elastomer and a preparation method thereof, and a flexible sensor and a preparation method thereof. According to the organic silicon elastomer, organosiloxane is used as a flexible chain segment, a diisocyanate raw material is used as a rigid chain segment, a chain extender is introduced, a prepolymer reactant and metal salt are subjected to a complexation reaction, a metal coordinate bond is introduced, and the self-repairing organic silicon elastomer based on metal coordinate bond and hydrogen bond synergistic repairing is obtained through the chain extension reaction and the complexation reaction. The molecular chain length and the molecular weight of the polymer are improved, so that the mechanical property and the sensitivity are improved, and self-repairing is realized. The flexible sensor takes the organic silicon elastomer as a flexible base material, and an adhesion layer and a conductive layer are formed on the surface of the organic silicon ...

Distributed management method and system for big data platform

The invention discloses a distributed management method and system oriented to a big data platform, which are applied to the technical field of data processing, and the method comprises the following steps: obtaining storage data information in a distributed storage module, extracting shared data information in the storage data information, obtaining a first search type in preset data search types, and traversing the first search type in the shared data information to obtain a first search target. And combining and packaging the shared data information based on the first search target to obtain a shared packaged data set, and storing the shared packaged data set to a digital intermediate station module. And receiving a target search data type sent by the user side, and traversing the target search data type in the shared encapsulation data set in the digital middle station module to obtain a target traversing result. And sending the target traversal result to the user side. The technical ...

Method for fish biological recognition tracking and state judgment

The invention discloses a method for fish biological recognition tracking and state judgment. The method comprises the following steps: S1, starting to execute S2 fish state detection or S5 fish state query according to an instruction request of a user; s2, acquiring an RTSP video stream containing a to-be-detected fish box; s3, performing real-time identification tracking and living state judgment on the fishes in the to-be-detected fish box by using the fish identification tracking and condition judgment model; s4, identification tracking and living state judgment results are displayed on each frame of image, and a user can check a detection result in real time by accessing an RTSP video stream; and S5, judging whether fish state detection is performed or not, if so, feeding back a fish state and an abnormal state frame image, and otherwise, returning to S1. According to the method, accurate fish tracking and state judgment are performed on a large number of real-time video streams of ...

Local album child photo intelligent screening and timeline arrangement method and system

The invention discloses a local album child photo intelligent screening and timeline arrangement method and system. The method comprises the following steps: initializing a standard face information comparison library; screening out face pictures from the photo album according to the picture shooting time, and sequentially matching the face pictures with face information in a standard face information comparison library; face 3D space feature points are extracted from the successfully matched face images, and face expression classification and image quality scoring are performed on the face images based on the face 3D space feature points; clustering and grouping the successfully matched face pictures according to the shooting time and the picture similarity of the face pictures; performing filtering processing on the face pictures in the clustering groups according to the face information and the picture quality scores; then, abstract description is obtained for each group of face pictures ...

Semiconductor laser shock resistance test device

The invention discloses a semiconductor laser shock resistance test device, which comprises a bottom plate, the bottom plate is fixedly connected with a side plate, and the side plate is fixedly connected with a top plate; wherein a semiconductor laser to be detected is placed on the bottom plate, an impact unit is arranged on the side plate, a driving unit is arranged on the top plate, and the driving unit drives the impact unit to impact the semiconductor laser; the impact unit comprises a sliding groove formed in the side plate, a sliding rod is fixedly connected in the sliding groove, the sliding rod is sleeved with a sliding block and two telescopic springs located above and below the sliding block, the telescopic springs are fixedly connected with a connecting rod, and the connecting rod is fixedly connected with an impact rod; according to the invention, through cooperative use of the driving unit and the impact unit, the driving unit can be driven by the impact unit to carry out ...

Upper limb rehabilitation training equipment and working method thereof

The invention discloses upper limb rehabilitation training equipment which comprises a training table, a training device and a displayer, the training device comprises a training component and an upper limb positioning assembly, and the training component comprises a first training assembly and a second training assembly. The first training assembly comprises a first rotating part and a first linkage part, the second training assembly comprises a second rotating part and a second linkage part, and the upper limb rehabilitation training equipment comprises a position feedback unit and a training indication unit. The position feedback unit comprises a first communication unit, a second communication unit, at least one position sensor and a first controller, and the training indication unit comprises an indication signal generator and a second controller. The patient can be guided to conduct training, different training amplitudes can be provided for different patients according to the health ...

Engine knock detection method, device and equipment and storage medium

The embodiment of the invention discloses an engine knock detection method, device and equipment and a storage medium. The method comprises the following steps: carrying out first anti-aliasing filtering processing on an analog signal collected by a knock sensor; sampling the filtered analog signal to obtain a knock digital signal; performing second anti-aliasing filtering processing on the detonation digital signal through a plurality of different frequency bands to obtain a plurality of filtering detonation digital signals; and calculating a knock energy value of the engine based on the plurality of filtered knock digital signals, and performing knock detection on the engine based on the knock energy value. According to the embodiment of the invention, the engine knock signal is filtered through a plurality of frequency bands, the diversity of engine detection frequencies is realized, and the accuracy of engine knock detection is effectively improved.

Shooting protection device and method based on positioning and orientation timing system

The invention discloses a shooting protection device and method based on a positioning and orienting timing system, and belongs to the technical field of sports equipment, the shooting protection device comprises a protector, a controller and a limiter, the protector is fixed on a shooting weapon, and the limiter is arranged along a shooting area, a shooting target position and a boundary line of the shooting weapon. The controller is in wireless signal connection with the protector, the protector comprises a trigger locking mechanism, a positioning, orienting and timing mechanism and a battery, the battery provides a power supply for the trigger locking mechanism, and the controller, the limiter and the positioning, orienting and timing mechanism are all in wireless signal connection with the trigger locking mechanism. The positioning and orientation timing mechanism at least comprises an inertial positioning and orientation system and a magnetic declination and pitch angle measuring device ...

Control method and device of hybrid electric vehicle, terminal and medium

The invention belongs to the technical field of automobile control, and particularly relates to a control method and device of a hybrid electric vehicle, a terminal and a medium. The control method of the hybrid electric vehicle comprises the steps that a to-be-planned path is divided into a plurality of preset road sections; according to the road parameters of the preset road section, calculating a corresponding energy demand for driving the hybrid vehicle to run on the preset road section; according to the energy demand corresponding to the preset road section, a corresponding preset driving mode when the hybrid vehicle runs on the preset road section is planned, the preset driving mode comprises a driving mode and an electric energy use condition, and the hybrid vehicle runs on the preset road section according to the preset driving mode and has the lowest oil consumption; generating a target driving mode corresponding to the to-be-planned path based on the corresponding preset driving ...

Integrated pouring forming process for auxiliary flange of wind power blade web

The invention provides an integrated pouring forming process for a wind power blade web auxiliary flange. The integrated pouring forming process comprises the steps that S1, a mold is cleaned; s7, laying a vacuum auxiliary material: covering a primary vacuum extraction opening of the mold by using a flow guide net and VAP, laying a VI160 composite flow guide net at the center of a web in the chordwise direction, keeping the distance between the chordwise direction and the corner of the web in the chordwise direction by about 10-20 mm, and laying the vacuum auxiliary material in the mold in the chordwise direction by about 10-20 mm; a 19-25 mm ohmic pipe with a base plate is laid in the center of the flow guide net, a glue injection opening is formed in a proper position, a breathable felt is laid in each parting surface area of the mold to be connected with an air extraction opening, meanwhile, the breathable felts need to be in lap joint with a cloth layer, and the lap joint width is larger ...

Intelligent airport control method for unmanned aerial vehicle

The invention relates to the technical field of unmanned aerial vehicles, and discloses an intelligent airport control method for unmanned aerial vehicles, which comprises the following steps: an intelligent airport selects a parking place, carries out take-off and landing feasibility analysis, and generates a take-off and landing control instruction; an unmanned aerial vehicle lifting platform is loaded in the intelligent airport, and a retractable door is arranged at the top of the intelligent airport; a rotating mechanism and a plurality of parking platforms connected with the rotating mechanism are arranged in the unmanned aerial vehicle lifting platform, and the parking platforms are uniformly distributed to form an upper-layer parking apron and a lower-layer parking apron; the positions of the parking platforms of the upper-layer parking apron and the lower-layer parking apron are alternated along with the rotating mechanism; the intelligent airport sets a take-off and landing route ...

Enterprise informatization data storage method and system based on Internet of Things

The invention relates to the field of business data processing, in particular to an enterprise informatization data storage method and system based on the Internet of Things, and the method comprises the steps: collecting historical order reference data of a target bearing, and obtaining a target initial reference data set; dividing the target initial reference data set to obtain a purpose stacking rate and a single stacking rate of the target bearing; calculating a target optimization reference data set of the target bearing based on the use stacking rate and the single stacking rate; storing the target optimization reference data set, and constructing a target optimization reference data sequence; and inputting the target optimization reference data sequence into a trained neural network prediction model to obtain a next order budget number of the target bearing. According to the method, the enterprise decision-making efficiency and accuracy can be improved while the enterprise information ...

Anti-unbalance-loading guide device of large-pressure withdrawal and straightening machine and large-pressure withdrawal and straightening machine

The invention provides a large-pressure withdrawal and straightening machine and an anti-unbalance-loading guide device thereof. The anti-unbalance-loading guide device comprises a movable frame, an eccentric roller, an adjusting mounting seat and a guide rail, wherein the guide rail is arranged on a rack of the large-pressure withdrawal and straightening machine, and an upper roller of the large-pressure withdrawal and straightening machine is mounted on the movable frame; the eccentric roller is arranged on the adjusting mounting seat, and the adjusting mounting seat is arranged on the movable frame; in addition, the eccentric roller is in contact with the guide rail by adjusting the eccentricity of the eccentric roller, so that the unbalance load borne by the upper roller is balanced. Through a group of rollers which are arranged in a v shape with the axis of the upper roller and the sliding rails of the rollers, the problem of unbalance loading of the balance transmission device is ...

Underconstrained external rotor motor direct-driven two-dimensional electro-hydraulic servo valve

The invention discloses a two-dimensional electro-hydraulic servo valve directly driven by an under-constrained outer rotor motor. Comprising a valve body, a motor cover fixed to the right end of the valve body, an oil port changing plate fixed to the left end of the valve body, a valve sleeve embedded in an inner cavity of the valve body, a valve element embedded in an inner cavity of the valve sleeve, an outer rotor fixedly connected to the periphery of the right end of the valve element, a stator winding fixed to the peripheral face of the right portion of the valve body and outer rotor magnetic steel matched with the left end of the outer rotor. And the outer rotor sleeve is sleeved outside the outer rotor magnetic steel and the outer rotor. Linear displacement can be detected through the linear displacement sensor, axial movement is buffered through double springs, and radial zeroing is achieved through the radial zeroing assembly; the oil port is formed in the side surface, the valve ...

Pepper disease and insect pest identification method and system based on hierarchical detection double-task model

The invention belongs to the technical field of disease and insect pest recognition, and discloses a pepper disease and insect pest recognition method and system based on a disease grading detection double-task model, and the method comprises the steps: carrying out the enhancement processing of a sample image through a significance target detection model U2-Net, a backbone network taking ResNet50 as a joint feature for extracting two tasks of disease detection and severity grading is constructed, an output layer adopts two parallel full-connection layers and is added with a disease grading detection dual-task model of an SE attention module, transfer learning is introduced, and a data set added with a synthetic image is combined to complete model training. The disease grading detection double-task model is used for identifying pepper disease types and grading damage severity. According to the method, the foreground and background of the sample image are segmented by using U2-Net, the whole ...

Piezoelectric type large-amplitude high-frequency electro-hydraulic excitation driver

The invention discloses a piezoelectric type large-amplitude high-frequency electro-hydraulic excitation driver which comprises a piezoelectric driving part, a piston, a cylinder body, a coupler, a sealing piece and a clamping table. The electro-hydraulic excitation driver is driven by an electrostriction piece, a high-pressure hole in a two-dimensional piston shoulder intersects with an inclined N-shaped groove in a cylinder body to form a tiny intersection area, a hydraulic resistance half bridge is formed, the pressure of a single-side sensitive cavity is controlled by the hydraulic resistance half bridge, a full-bridge guide and control mode is constructed, and the influence of system back pressure is eliminated; torque output is generated through the inverse piezoelectric effect, then the two-dimensional piston is driven by the coupler to rotate, then the pressure of the sensitive cavity is changed, and axial movement of the piston is controlled. Due to the fact that the anti-shearing ...

Storage goods shelf provided with induction protective curtain

The utility model discloses a storage goods shelf with an induction protective curtain, and particularly relates to the field of logistics loading and unloading, which comprises a storage goods shelf body, a mounting plate is fixedly mounted at the top of the storage goods shelf body, the bottom of the mounting plate is fixedly connected with the protective curtain, and the other end of the protective curtain is fixedly connected with a scroll. A servo motor is fixedly installed in the reel, the output end of the servo motor is in transmission connection with a gear, and moving grooves are formed in the two sides of the interior of the storage shelf body. The servo motor is arranged to drive the winding shaft to rotate, so that the protective curtain is wound, manual operation pulling is avoided, and the protective curtain is simple in structure, convenient to operate and higher in practicability; the monitoring alarm mechanism is arranged to sense the surrounding environment, and if a ...

Extraction treatment device for unorganized emission stink organic matters in polluted land parcels

The invention relates to an extraction treatment device for unorganized emission of malodorous organic matters in a polluted land parcel, and relates to the field of soil pollution remediation and treatment. Comprising a front support used for covering in-situ repair well building drill holes; the rear bracket is positioned on one side of the front bracket; the spraying module comprises a plurality of rotatable atomization spraying heads, a spraying pump and a medicament barrel, the input end of the spraying pump is connected with the medicament barrel through a hose, and the output end of the spraying pump is connected with the rotatable atomization spraying heads through hoses; the adsorption module comprises a gas-collecting hood and an adsorption box, one end of the adsorption box is connected with the gas-collecting hood through a corrugated pipe, the other end of the adsorption box is provided with an induced draft fan, and the exhaust end of the induced draft fan is connected with ...

Quinoline micromolecule blending modified polymer dielectric material as well as preparation method and application thereof

The invention discloses a quinoline micromolecule blending modified polymer dielectric material and a preparation method and application thereof, and belongs to the technical field of capacitor films. The preparation raw materials comprise a quinoline derivative, polymethyl methacrylate, a styrene-methyl methacrylate copolymer, polyetherimide, polypropylene and an N-methyl pyrrolidone solution, and the preparation steps comprise blending and film preparation. A blended solution or a co-melt is prepared through blending, and the polymer dielectric film is obtained through a tape casting method or two-way stretching in film preparation. The quinoline micromolecule blending modified polymer dielectric film prepared by the invention has excellent electrical properties, can reduce the leakage current of a polymer material, has high direct current breakdown field strength, high energy storage density and low energy loss, and is easy to realize large-scale production.

Urban garden water circulation device

The invention relates to the technical field of gardens, in particular to a water circulation device for urban gardens. The invention provides a water circulation device for urban gardens, which can fully utilize water resources, save water, filter water source impurities to make the water quality better, and better protect the garden environment during irrigation. A water circulation device for urban gardens comprises a water storage tank, a water conveying pipe, a water valve and the like. The top of the water storage tank is fixedly connected with a water conveying pipe, the bottom end of the water conveying pipe communicates with the water storage tank, and the top end of the water conveying pipe is fixedly connected with a water valve. The water collecting tank collects rainwater, the rainwater flows into the filter tank along the water collecting tank, when the rainwater passes through the filter screen in the filter tank, the filter screen can filter out impurities such as leaves ...

Prestress applying device

The invention relates to a prestress applying device, and belongs to the technical field of construction equipment. The prestress applying device comprises steel strands and a tensioning assembly, the steel strands are connected end to end, and a part of the steel strands are annularly distributed on the inner side of a concrete layer of the prestress lining; one end of the tensioning assembly is arranged in an anchorage device groove in the inner side of the prestressed lining, and the other end of the tensioning assembly extends to the inner side of the segmental lining; the other part of the steel strand extends into the anchorage device groove and is fixed to the tensioning assembly, and the tensioning assembly is used for tensioning the steel strand to apply prestress to the concrete layer. According to the prestress applying device, prestress can be applied to the concrete layer of the prestress lining in the diversion tunnel construction process, and the tensile strength of the concrete ...

Start-stop control method and device of engine, equipment and medium

The embodiment of the invention discloses an engine start-stop control method and device, equipment and a medium, and the method comprises the steps that the predicted electric quantity of a road section where the current position of a vehicle belongs is obtained, and the predicted electric quantity is used for representing the predicted remaining electric quantity of the vehicle in the road section where the current position belongs; calculating the reference electric quantity of the vehicle at the current position based on the predicted electric quantity, the current position and the current actual electric quantity of the vehicle; obtaining the size relation between the actual electric quantity and the reference electric quantity; on the basis of the size relation and the current driving environment information of the vehicle, starting and stopping control is conducted on an engine of the vehicle. By means of the method, the reasonability of starting and stopping control over the engine ...

Hand grenade throwing safety protection system

The invention discloses a hand grenade throwing safety protection system, which belongs to the technical field of hand grenade safety, and comprises a hand grenade body, a protection device, a central processing unit, a hand grenade positioning device and a hand grenade track capturing device, the protection device is arranged on a safety holding piece of the hand grenade body, and the protection device controls a switch of the safety holding piece of the hand grenade body. The protection device receives an instruction sent by the central processing unit, the grenade positioning device is arranged on the edge of an operation area before the grenade body is thrown, the grenade track capturing device is arranged on the edge of a safety area after the grenade body is thrown, and the grenade body is thrown from the operation area to the safety area. And the central processing unit receives an identification signal sent by the grenade positioning device and an early warning signal sent by the ...

Cross beam erecting system and cross beam erecting method

The cross beam erecting system comprises an upper hoop and a lower hoop, and the upper hoop and the lower hoop are connected through a plurality of rigid chains. The upper connecting seat is wrapped outside the upper hoop; the upper connecting seat is provided with an upper plane and a groove, and the groove is formed by sinking the upper plane downwards; the depth of the groove is larger than the height of the mechanical hoop. In the beam erecting system, the upper plane of the upper connecting seat bears the load-bearing task of the beam, the groove bears the load-bearing task of the mechanical hoop, and the beam and the mechanical hoop do not make contact or only partially make contact in the transportation process. The horizontal inclination angle of the cross beam only depends on the horizontal degree of the upper connecting seat, so that the horizontal requirement of the cross beam is more easily met. According to the cross beam erecting method, the cross beam is transported to the ...

Vehicle sliding energy recovery control method, electronic equipment and storage medium

The invention provides a vehicle sliding energy recovery control method, electronic equipment and a storage medium, and the method can determine the basic wheel end recovery torque of the current sliding energy recovery according to the current vehicle speed and the driving mode, and compares the obtained short-time prediction vehicle speed with the current vehicle speed, so as to improve the vehicle sliding energy recovery efficiency. According to the invention, the first correction amount for correcting the basic wheel end recovery torque can be obtained, so that the relatively accurate wheel end recovery torque of the vehicle in a short-time scene can be obtained for energy recovery. The first correction amount is further corrected through the obtained long-time predicted vehicle speed and scene information, the accuracy of the target wheel end recovery torque finally used for controlling vehicle sliding energy recovery can be improved, and the future acceleration and deceleration conditions ...

Live broadcast interaction method and device, equipment and storage medium

The invention discloses a live broadcast interaction method and device, equipment and a storage medium, and belongs to the technical field of network live broadcast. The method is applied to an audience client, and comprises the following steps: displaying a live broadcast picture and a live broadcast interaction role located on the live broadcast picture, the live broadcast picture being a live broadcast picture acquired when an anchor account performs a virtual activity on a first virtual role in a virtual world, the display level of the live broadcast interaction role is different from the display level of the live broadcast picture; and in response to the situation that the virtual activity of the first virtual role in the virtual world meets the trigger condition, displaying the live broadcast interaction role to execute the first interaction action. According to the method, the live broadcast interaction role is added, and the live broadcast interaction role is associated with the ...

Narrow linewidth fiber laser packaging device

The invention relates to the technical field of narrow-linewidth optical fiber lasers, and discloses a narrow-linewidth optical fiber laser packaging device which solves the problems that an existing narrow-linewidth optical fiber laser packaging device is uneven in cooling and poor in damping effect. The packaging assembly is composed of a heat insulation shell, a heat insulation cover body, a narrow linewidth fiber laser body, a fiber grating, a frequency conversion buffer supporting mechanism, a first semiconductor cooler, a second semiconductor cooler, a first air circulation driving mechanism, a second air circulation driving mechanism, a heat insulation pad, a sealing washer, a deformable sealing ring and a thermistor. A containing cavity is formed in the heat insulation shell, the frequency conversion buffer supporting mechanism is fixedly connected to the bottom end of the interior of the containing cavity, and the thermistor is fixedly connected to the side edge of the narrow-linewidth ...

Adjustable AGV transfer vehicle

The adjustable AGV transfer vehicle comprises an AGV vehicle body, a vehicle plate is arranged at the rear end of the AGV vehicle body, a bearing seat is fixed to the top surface of the vehicle plate, and a first bearing plate and a second bearing plate are rotationally arranged at the two ends of the top surface of the bearing seat correspondingly; when the first bearing plate and the second bearing plate rotate inwards to be in a horizontal state, the first bearing plate and the second bearing plate jointly bear a plate-shaped object. When the first bearing plate and the second bearing plate rotate outwards to the open state, a containing cavity is formed among the first bearing plate, the second bearing plate and the bearing base, and the containing cavity is used for containing a cylindrical object. By adjusting the position states of the first bearing plate and the second bearing plate, plate-shaped structure materials or cylindrical materials can be transferred, and adaptability is ...

BMS architecture test system and equipment

The invention discloses a BMS (Battery Management System) architecture test system and equipment, which comprises a master control, a CAN (Controller Area Network) bus, a physical secondary slave control, a virtual secondary slave control, m primary slave controls and n clusters, and is characterized in that m and n are positive integers; the master controller is connected with the m first-level slave controllers through a CAN bus, and the first-level slave controllers are connected with the n clusters through the CAN bus. The n clusters comprise at least one physical secondary slave control and at least one virtual secondary slave control, the physical secondary slave control is electrically connected with the CAN bus, and the virtual secondary slave control is in communication connection with the CAN bus. According to the invention, the wiring work of the battery simulators and the number of the battery simulators are reduced by adopting the virtual simulators which send the CAN messages ...

Four-machine four-flow slab continuous casting machine production line

The invention provides a four-machine four-flow slab continuous casting machine production line which comprises a steel ladle rotary table and a steel ladle arranged on the steel ladle rotary table, two steel tapping holes are formed in the bottom of the steel ladle, and each steel tapping hole is provided with a sliding nozzle mechanism. Moreover, a long nozzle is arranged below each tapping hole in a sleeving manner, and each long nozzle corresponds to one intermediate tank; the bottom of each intermediate tank is provided with two pouring gates, and each pouring gate corresponds to one slab production line. According to the method, single-flow, double-flow, three-flow and four-flow slab continuous casting production can be flexibly achieved, the process layout is compact, the capacity of a casting cross crown block does not need to be improved, a steel plant does not need to be reinforced, and the capital construction investment and subsequent production consumption of the steel plant ...

Intersection planning and signal optimization method for networked automatic driving mixed driving scene

The invention provides an intersection planning and signal optimization method for a networked automatic driving mixed driving scene, which comprises the following steps: providing a signal intersection for setting a CAV special phase and a CAV special entrance lane on an HVs and CAVs mixed driving road network, providing an intersection layout and signal setting optimization problem under HVs and CAVs mixed driving, modeling the intersection layout and signal setting optimization problem, and optimizing the intersection layout and the signal setting optimization problem under HVs and CAVs mixed driving. And a global optimal accuracy algorithm is set to solve a global optimal solution of the problem, that is, the type of each intersection (a traditional visual signal intersection, an intelligent non-signal intersection and a novel signal intersection) in the road network and the period duration, the green light duration and the CAV special phase duration of the two types of signal intersections ...

Semiconductor laser aging measuring device

The invention relates to a semiconductor laser aging measurement device which comprises a box body, a box cover is hinged to the top of the box body, and a mounting groove is formed in the box body and used for containing a semiconductor laser. A locking unit, a cooling unit and a detection unit are further arranged in the box body, the locking unit is used for positioning the semiconductor laser, the cooling unit is used for dissipating heat of the semiconductor laser, and the detection unit is used for detecting the semiconductor laser; according to the invention, during working, through the arranged cooling unit, high temperature can be provided for aging measurement of the semiconductor laser through the hot surface phenomenon of the refrigeration sheet, and local cooling can be carried out after the semiconductor laser is electrified through the cold surface phenomenon of the refrigeration sheet, so that the aging measurement is ensured to be within a proper temperature range; through ...

Unmanned aerial vehicle intelligent mobile airport and automatic lifting platform thereof

The invention relates to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle intelligent mobile airport and an automatic lifting platform thereof. The moving system comprises a rotating subsystem; the rotating subsystem comprises a left rotating mechanism and a right rotating mechanism which are oppositely arranged, and the opposite faces of the two rotating mechanisms are each provided with a rotating track and a moving track. A driving control mechanism for driving the rotary track to rotate is arranged in the rotating mechanism; the number of the parking platforms is multiple, bearing sets are arranged at the two ends of the bottom of each parking platform, and each bearing set comprises two bearings which are spaced by a preset distance. The bearing sets at the two ends are connected with a rotary rail on the left rotating mechanism and a rotary rail on the right rotating mechanism respectively. And when the rotary rail rotates, the bearing pack ...

Optical communication module and optical communication system using same

The invention discloses an optical communication module and an optical communication system using the optical communication module, the optical communication module has an external shape formed based on a standard specification, and can communicate with a circuit substrate on the side of a host equipped with the optical communication module through a predetermined communication interface. Light source signals are input between the modulator and a circuit substrate through a light emitting unit, the light source signals with different wavelengths are coupled to the same optical fiber and attached to an optical carrier for transmission, the light source signals are divided into I/Q components through the interior of the modulator, the I/Q components are attached to the optical carrier, and light source signal transmission is conducted through the optical fiber. The light receiving unit is used for receiving a light source signal and converting the light source signal into an electric signal ...

Energy-saving and environment-friendly trolley type roasting furnace system

The invention provides an energy-saving and environment-friendly trolley type roasting furnace system which comprises a furnace body, a combustion-supporting unit for conveying combustion-supporting gas to the furnace body and a cooling unit, and further comprises a heat exchange unit for transferring heat absorbed in the cooling unit into the combustion-supporting unit to preheat the combustion-supporting gas; the detection unit is used for detecting the working state of the heat exchange unit; by arranging the heat exchange unit, heat absorbed by cooling nitrogen is transmitted to combustion-supporting air, the combustion-supporting air is preheated, the temperature of the combustion-supporting air before the combustion-supporting air enters the furnace body is increased, the problems that heat energy in the furnace is consumed and the temperature in the furnace is greatly influenced due to the fact that the temperature of the combustion-supporting air is low are solved, heat loss is ...

Preparation method and application of lossless bismuth oxyselenide film based on sodium chloride substrate

The invention provides a preparation method and application of a lossless bismuth oxyselenide film based on a sodium chloride substrate, and belongs to the technical field of photoelectric material preparation, and the preparation method specifically comprises the following steps: placing Bi2O3 powder and a Bi2Se3 block in a mass ratio of (2-3): 1 at the middle upstream of a double-temperature-zone tubular furnace, and placing a NaCl substrate with a (001) surface at the downstream of the double-temperature-zone tubular furnace; and vacuumizing the double-temperature-zone tubular furnace to 0.1 pa, introducing argon gas for flushing, respectively raising the temperatures of the middle upstream and the downstream to 500-700 DEG C and 350-550 DEG C within 30 minutes, and keeping the temperature for 10-60 minutes to obtain the nondestructive bismuth oxyselenide thin film with the congruent epitaxy growth. The method is applied to a photoelectric detector, the lossless bismuth oxyselenide film ...

Microphone interference method based on reduction of signal-to-noise ratio of received signal of target microphone

The invention discloses a microphone interference method based on reduction of a signal-to-noise ratio of a received signal of a target microphone, and the method employs a common commercial microphone, a loudspeaker and a specially-made processor to complete interference on the premise of not knowing the position of the microphone. Meanwhile, interference noise and sound source signals are difficult to separate under the existing signal separation technology, the signal-to-noise ratio of received signals of the target microphone is remarkably reduced, effective information cannot be extracted from the received signals, and the function of interfering normal work of the microphone is achieved. Meanwhile, compared with an existing microphone interference method based on injected noise, the method has the advantages that the position of the target microphone does not need to be known in advance in the interference range, so that the interference range is larger, the robustness is higher, ...

Clinical laboratory uses multi -functional tube cleaning device

... 本实用新型公开了一种检验科用多功能试管清洗装置，包括清洗池，清洗池内部下侧水平设有隔板，隔板与清洗池底部构成空腔，隔板上穿接有若干个清洗棒，清洗棒外侧设有清洗槽，清洗槽底端固定在清洗棒下侧外壁上，在清洗棒上半段外壁上设有内壁清洗毛刷，清洗槽内壁上设有外壁清洗毛刷，清洗棒的下端与设置在空腔内部的带轮连接，本实用新型检验科用多功能试管清洗装置，清洗效果好、效率高，可对试管内壁和外壁进行刷洗和超声波清洗，试管和毛刷转动对试管进行清洗，保证了清洗效果，在清洗过程中，对试管内壁进行喷洗，进一步的提高了清洗效果和效率，集清洗和烘干功能于一体，且可对试管进行消毒，保证了试管的无毒无菌。 ...

Policy document similarity comparison method, device and system and electronic equipment

The invention discloses a policy document similarity comparison method, device and system and electronic equipment, and the method comprises the steps: responding to a user instruction, and determining at least two policy documents as to-be-compared policy documents; calculating the similarity between every two policy documents to be compared through a similarity algorithm; according to the similarity between every two policy files to be compared, a policy similarity graph is generated to be output and displayed, and the generated policy similarity graph comprises policy file identifiers in one-to-one correspondence with the policy files to be compared and similarity identifiers between every two policy file identifiers. According to the policy document similarity comparison method, the policy similarity comparison efficiency and accuracy can be effectively improved, meanwhile, a user can know the similarity relation between corresponding policy documents more intuitively and efficiently ...

Multi-cambered-surface crystallizer copper pipe, crystallizer and continuous casting production method

The invention provides a multi-cambered-surface crystallizer copper pipe, a crystallizer and a continuous casting production method. The multi-cambered-surface crystallizer copper pipe comprises a copper pipe body and a water tank arranged on the outer surface of the copper pipe body. The shape of the cross section of the copper pipe main body is a polygon-like shape between a square and a circle; each edge of the similar polygon is a non-linear edge; and at least two water tanks are arranged on the outer surface of each surface of the copper pipe main body. The two-dimensional heat transfer of the corners of the square billet continuous casting steel billet is reduced, the temperature difference between the surface center and the corners is reduced, the primary blank shell is more tightly attached to the copper pipe, the heat transfer efficiency is greatly improved, and the primary solidified blank shell has a strong supporting effect and can prevent the casting billet from bulging; when ...

Four-wheel-drive hybrid power system and vehicle

The invention relates to a four-wheel-drive hybrid power system and a vehicle. The four-wheel-drive hybrid power system comprises a first motor, a second motor, a third motor, an engine, a power battery, a first drive axle and a second drive axle. The engine can be selectively in transmission connection with or disconnected from the first motor; the first motor can be selectively in transmission connection with or disconnected from the second motor; the second motor is in transmission connection with the first drive axle; the third motor is in transmission connection with the second drive axle; the first motor is electrically connected with the second motor and the third motor. The power battery is electrically connected with the first motor, the second motor and the third motor. The four-wheel-drive hybrid power system and the vehicle have the advantage of multiple drive modes.