Rapid self-adaptive fingerprint positioning method based on meta-learning

The invention discloses a rapid self-adaptive fingerprint positioning method based on meta-learning. The method comprises the following steps: firstly, deploying and calibrating a plurality of access points (APs) and reference points (RPs) in a target area; secondly, taking the constructed fingerprint database as training data, and obtaining a pre-training model by using a model-independent meta-learning (MAML) algorithm; thirdly, when the indoor environment changes, a small amount of sample data is collected in a new environment for fine tuning to obtain a fine tuning model; and finally, calculating the position of the target point according to the fingerprint data collected at the target point through the fine-tuned positioning model. According to the invention, the relevance of signal distribution in a new environment and an old environment is utilized, a rapid adaptive fingerprint positioning method based on meta learning is provided, and previous knowledge and experience are utilized ...

Semiconductor Pillars Having Triangular-Shaped Lateral Peripheries, and Integrated Assemblies

Some embodiments include a pillar which contains semiconductor material, and which extends primarily along a first direction. A cross-section through the pillar along a second direction orthogonal to the first direction is through the semiconductor material and includes a lateral periphery of the pillar configured as three-sided shape. Some embodiments include an integrated assembly having a vertical stack of alternating first and second levels. The first levels include conductive structures and the second levels are insulative. Channel-material-pillars extend through the vertical stack. Each of the channel-material-pillars has a top-down cross-section which includes a lateral periphery configured as three-sided shape of an equilateral triangle with rounded vertices. 1. A pillar comprising semiconductor material and extending primarily along a first direction; a cross-section through the pillar along a second direction orthogonal to the first direction being through the semiconductor material and comprising a lateral periphery of the pillar configured as three-sided shape.2. The pillar of wherein the semiconductor material comprises silicon.3. The pillar of wherein the three-sided shape corresponds substantially to an equilateral triangle with rounded vertices.4. The pillar of wherein the three-sided shape may be substantially generated by:superimposing a first circle template over a first of three vertices of an equilateral triangle template, with the first circle template being centered over the first of the three vertices of the equilateral triangle template;superimposing a second circle template over a second of the three vertices of the equilateral triangle template, with the second circle template being centered over the second of the three vertices of the equilateral triangle template;superimposing a third circle template over a third of the three vertices of the equilateral triangle template, with the third circle template being centered over the third of ...

Payment data processing method and system used for e-business platform

The invention provides a payment data processing method used for an e-business platform. The payment data processing method includes the steps that a shopping module is called to receive a commodity order submitted by a buyer and personal loan payment information selected by a user; a payment processing module is called to receive a personal loan application of the buyer and issues and grants a loan limit to a loan account of the buyer according to the personal loan application, and a repayment account is appointed; an e-bank module is called to authenticate the identity of the buyer according to the repayment account, and funds of the loan account is transferred to the appointed transaction account after the identify passes authentication; the transaction module is called to synchronously update the state of the commodity order after the funds of the appointed transaction account are received. After the method is implemented, while the commodity order is submitted, the personal load application ...

Electric power inspection unmanned aerial vehicle and emergency landing protection device thereof

The invention discloses an electric power inspection unmanned aerial vehicle and an emergency landing protection device thereof, and belongs to the field of electric power inspection unmanned aerial vehicles, the electric power inspection unmanned aerial vehicle comprises a rack, a camera is arranged in the middle of the rack, and the emergency landing protection device of the electric power inspection unmanned aerial vehicle comprises a gravity acceleration sensor used for controlling an electric sliding rod. The gravity acceleration sensor is fixedly connected to the upper surface of the rack, a piston barrel is fixedly connected to the side wall of the electric sliding rod, a sliding base is fixedly connected to the inner wall of the arc-shaped plate, and the sliding block is slidably connected into the sliding base. By arranging the camera, the unmanned aerial vehicle can inspect electrical equipment when flying, by arranging a piston rod and a piston barrel, an electric sliding rod ...

Integrated valve block

The utility model relates to an integrated valve block that is used for hydraulic pressure oil circuit, steerable multiple operation to move, including the valve body, integrated two sets of groups of oil circuit side by side in the valve body, the integration is equipped with two sets of oil circuits groups that parallel in the valve body, oil circuit group of every group is including an oiling mouth, a first oil -out and a second oil -out, three way connection of oiling antilinear divide into two oil circuits, and one is through sequence valve reconnection to first oil -out, another lug connection to second oil -out, oiling mouth, first oil -out and second oil -out set up at the valve body lateral wall. The utility model discloses can be used to control the sequentially -operating of two hydro -cylinders, the structure is very compact, reduction occupation space, in the oil piping system equipment, the staff can make things convenient for, fast, accurately accomplish the oil circuit and ...

Landscaping water collection and supply circulating purification system

The invention relates to the technical field of garden water systems, in particular to a garden greening water collection and supply circulation purification system which comprises a water storage and supply tank used for collecting water or supplying water to achieve water circulation; the water collecting piece is communicated with the water storage and supply tank; rainwater is collected; the water collecting piece comprises a water collecting plate, a water retaining pipe, a communicating pipe and a water collecting opening and closing pipe; the water retaining pipes are fixedly connected to the upper surfaces of the water collecting plates, each water collecting plate is fixedly connected with two water retaining pipes, and water collecting holes are formed in the side walls, close to each other, of the two water retaining pipes; the communicating pipe communicates with one end of the water retaining pipe; one end of the water collecting on-off pipe is communicated with the water storage ...

Uncovering Assembly of Household Appliance and Household Appliance

Provided are an uncovering assembly of a household appliance, and a household appliance. A positioning portion cooperates with a positioning structure on a shell of the household appliance in the uncovering assembly, a cover is prevented from being loosened relative to the shell, in this way visual fool proofing may be achieved. A lock catch switches from an unfastening position to a fastening position after the positioning portion cooperates with the positioning structure. The lock catch, after entering the fastening position, is in mutual restriction with a fastening structure in a vertical direction.

Deformable antenna reflection surface

The invention discloses a deformable antenna reflection surface and relates to the antenna reflection surface. The invention aims at solving the problems that the existing reflector antenna can not meet the space environment which is complex and variable and can not carry out orbit thermal deformation control and on-orbit vibration control in space, thereby reducing the precision of the on-orbit reflector antenna and being incapable of meeting various space requirements because the existing space antenna can not have the structural deformation. A driver comprises an end cover, a driving shaft, a housing, a working coil or a conducting wire and a driving functional material body, wherein the end cover is arranged on the housing, the driving shaft is crisscross, one end of the driving shaftis connected with the end cover, the opposite end is connected with the driving functional material body, the other two ends are in contact with the side wall of the housing, the driving shaft can slide ...

Processing method of shellfish solid drinks

The invention relates to a marine biotechnology and a food processing technology, and particularly relates to a processing method of shellfish solid drinks. The processing method of the shellfish solid drinks comprises the following steps: (1), segmenting and pretreating a raw material; (2), performing vacuum freeze drying on stock; (3), performing vacuum freeze drying on shellfish meat; (4), spray-drying shellfish soup; and (5), mixing. By adopting a solid drinks form, the shellfish solid drink is easy to carry and store, difficult to deteriorate, capable of remaining original taste and flavour, free from adding excessive food additives and more healthy and natural. After the shellfish solid drinks are rehydrated, the shellfish solid drink remains the shellfish form, has attractiveness, interestingness and delicacy, and is easy to accept; and in addition, the shellfish solid drink is low in cost of selected raw materials, good in effect, better in flavor, short in production period, strong ...

Use sealing component between turbo charger turbine case and bearing body

The utility model discloses a sealing component uses between engine turbocharger's turbine case and bearing body, wherein sealing component sets up on the installation locating surface III's of turbine case machine added the face, it was by have heat resistance and elastic metal material makes, setting up above -mentioned sealing component the bearing body with back between the turbine case, before the screw pretension of hot junction, contact surface I and turbine case installation face II when bearing body and turbine case assemble are in the isolation and mutual not contact State, behind the screw pretension of hot junction, elastic deformation takes place for sealing component, with produce new binding face between the installation locating surface III of turbine case, promptly sealed face IV. From this, weaken effectively and even eliminate this and locate the gas leakage hidden danger that exists to finally eliminate the performance degradation scheduling problem that causes in this ...

Full-automatic green plant nursery stock maintenance device

The utility model relates to a full-automatic green plant nursery stock maintenance device which comprises a planting box, a water wheel is rotatably connected into the planting box, a plurality of water containing grooves are formed in the peripheral face of the water wheel in the circumferential direction, a water storage barrel with the upper end open is arranged on one side of the planting box, and a water passing bridge is arranged between the upper end of the water storage barrel and the water wheel. A water circulation assembly is arranged between the lower end of the water storage barrel and the planting box. The planting box has the effect that excessive rainwater in the planting box can be drained.

猕猴桃、芦荟鲜饮料

The beverage of fresh yangtao and aloe is prepared through filtering yangtao juice, dissolving sugar, mixing ground stabilizer and yangtao juice, homogenizing, deairing, mixing with mashed aloe pulp, adding water and citric acid, and high temperature sterilizing. The physical process can maintain the effective components in yangtao and aloe at most and make them combined organically. The beverage has integrated functions of both yangtao and aloe, and is smooth in taste, moderate sour and sweet, rich in nutrients and suitable for all people.

Extensible solid surface antenna reflective face of shape memory material

Externally used traditional Chinese medicine ointment for treating various stubborn dermatitis and psoriasis and production process thereof

The invention provides an externally used traditional Chinese medicine ointment for treating various stubborn dermatitis and psoriasis and a production process thereof. The ointment is characterized by being prepared from the following active pharmaceutical ingredients in parts by weight: 4-6 parts of aster turbinatus, 4-6 parts of root-bark of densefruit pittany, 9-11 parts of root of Sinkiang arnebia, 4-6 parts of ricinus communis, 4-6 parts of common carpesium fruit, 4-6 parts of coptis root, 4-6 parts of amur corktree bark, 4-6 parts of rhubarb, 4-6 parts of Chinese angelica, 4-6 parts of rehmannia root, 9-11 parts of insect wax, 2-3 parts of borneol and 190-210 parts of rapeseed oil. More than 1000 patients with various stubborn dermatitis and psoriasis are clinically treated with the ointment over more than 30 years, the symptoms of the diseases of the patients in less serious cases become clearly better in one month, the symptoms of the diseases of the patients in serious cases are ...

Manufacturing methods of inflatable deployable antenna reflecting surface based on shape memory polymer and reflecting surface film and skin thereof

The invention discloses manufacturing methods of an inflatable deployable antenna reflecting surface based on shape memory polymer and a reflecting surface film and skin thereof, which relate to the manufacturing methods of an antenna reflecting surface, and a reflecting surface film and the skin thereof, and solve the problem that a traditional deployable solid surface antenna reflecting surfaceis inconvenient to fold. The antenna reflecting surface comprises a reflecting surface body, a first circular airbag, a second circular airbag, radial airbags and the skin, the upper end and the lower edge of a convex paraboloid of the reflecting surface body are respectively and fixedly connected with the first circular airbag and the second circular airbag, the convex paraboloid of the reflecting surface body is uniformly provided with N radial airbags which are lined in the circumferential direction, and the skin is covered on the convex paraboloid of the reflecting surface body; the reflecting ...

Modification immobilizing process for elastase and its application method

A modification immobilizing process of elastase and its application method is related to the process for preparing immobilized enzyme and preparing composition with enzyme, and the process canbe usedin cosmetics and food fields. The diatomite as fixing agent, antioxidizing agent and acetic acid-ammonium acetate buffering liquid are mixed and used to modify the immobilized elastase. The immobilized elastase is used to prepare skin-protecting cream and capsule food. Its advantage is to effectively keep the bioactivity of elastase.

Device for producing reinforced composite lighting lamp post

The invention discloses a device for producing a reinforced composite lighting lamp post, belonging to devices for manufacturing hollow lamp posts and aiming at providing a device for manufacturing a hollow lamp post. The device comprises a conical molded tube, a riding wheel and a motor. A steel bar (13) is arranged in the conical molded tube (3) through a steel bar fixing device, and the steel bar fixing device comprises a fixed disk (6), a pretightening disk (7), an end cover (2), a screw rod (8) arranged on the pretightening disk, a tractor (1) inserted in the end cover (2), a lock nut (11) arranged on the tractor and a support rod (14) supported between the tractor (1) and the screw rod (8), wherein the fixed disk (6), the pretightening disk (7), and the end cover (2)respectively fixed on both ends of the conical molded tube (3). The fixed disk and the tractor are respectively provided with a circle of positioning holes (15), and the tight steel bar (13) are respectively fixed between ...

Durability test device for simulating manual treading and test method thereof

The invention relates to the technical field of test devices, and discloses a durability test device simulating manual treading and a test method thereof.The test device comprises a movable workbench, a telescopic rod, an angle adjusting mechanism, an air cylinder, a pedal and a controller, and one end of the telescopic rod is connected with the top of the movable workbench; the other end of the telescopic rod is connected with one end of the air cylinder through an angle adjusting mechanism, the angle adjusting mechanism is used for adjusting the angle between the air cylinder and the telescopic rod, the other end of the air cylinder is provided with a treading block fixedly connected with a piston rod of the air cylinder, and the treading block is provided with a pressure sensor used for detecting the pressure of the piston rod of the air cylinder on the treading block. The air cylinder is connected with an electromagnetic valve used for controlling an output shaft of the air cylinder ...

Orally taken traditional Chinese medicine for treating various stubborn dermatitis and psoriasis

The invention provides an orally taken traditional Chinese medicine for treating various stubborn dermatitis and psoriasis. The orally taken traditional Chinese medicine is characterized by being prepared from the following active pharmaceutical ingredients in parts by weight: 40-50 parts of root-bark of densefruit pittany, 40-50 parts of belveder fruit, 40-50 parts of Danshen root, 40-50 parts of honeysuckle flower, 40-50 parts of oriental rat-snake, 25-35 parts of herba schizonepetae, 25-35 parts of common ducksmeat herb, 25-35 parts of light yellow sophora root, 25-35 parts of root of Sinkiang arnebia, 15-25 parts of root of shortlobe ligusticum, 15-25 parts of suberect spatholobus stem, 15-25 parts of cicada slough, 15-25 parts of paeoniae radix rubra, 15-25 parts of weeping forsythia capsule, 15-25 parts of puncturevine caltrop fruit and 15-25 parts of liquorice root. More than 1000 patients with various stubborn dermatitis and psoriasis are clinically treated with the medicine over ...

Use sealing device between turbo charger turbine case and bearing body

The utility model discloses a sealing device uses between engine turbocharger's turbine case and bearing body, sealing device sets up on the installation locating surface III of turbine case, its metal material by having elasticity, ductility and certain thickness makes, ting sealing device sets up the bearing body with back between the turbine case, before the screw pretension of hot junction, the bearing body with contact surface I and turbine case installation face II when the turbine case assembles are in the isolation and mutual not contact State, behind the screw pretension of hot junction, elastic deformation takes place for sealing device, with produce new binding face between the installation locating surface III of turbine case, promptly sealed face IV. From this, weaken effectively and even eliminate this and locate the gas leakage hidden danger that exists to finally eliminate the performance degradation scheduling problem that causes in this booster working process of locating ...

Method for producing reinforced composite material illumination lamp post

The invention discloses a method for producing reinforced composite material illumination lamp post, belonging to a manufacturing method of hollow illumination lamp post, aiming at providing a method for manufacturing lamp post with high hardness, strong rigidity and good appearance quality. A fixture is utilized to manufacture a conic columnar reinforcement cage skeleton, the skeleton wrapped with glass fiber fabric is inserted into a mould solidified with gel coat in advance by virtue of the fixture, the positioning locking element of the fixture is utilized to fix the skeleton, and the supporting element of the fixture is taken out; a hydraulic tractor is utilized to stretch reinforcement, resin mixture is injected into the mould, then starting up is carried out, so that the mould rotates, the resin mixture is uniformly distributed, deceleration is carried out, and ceramsite or quartz sand is sprayed into the mould; meanwhile a mandrel is placed into the mould, and rolling is carried ...

Integrated device for landscape tree maintenance

The utility model relates to an integrated device for landscape tree maintenance, which comprises an overground device and an underground device, the underground device comprises a U-shaped permeation tube and an underground water storage device, the U-shaped permeation tube is buried in the position close to the root system of a landscape tree, and the overground device comprises an infiltrating irrigation bag and a liquid outlet tube. The infiltrating irrigation bag covers the base part of the trunk and is connected with one end, penetrating out of the ground, of the U-shaped permeating pipe through a liquid outlet pipe; the underground water storage device comprises a water collecting pool and an underground water storage bag which are communicated with each other; a control mechanism used for enabling the underground water storage bag to intermittently supply water into the U-shaped permeation tube is arranged between the underground water storage bag and the end, located in the ground ...

By-pass valve actuator of turbocharger

The invention provides a by-pass valve actuator of a turbocharger, which comprises an actuator case (1), a membrane sheet (2), an inner piston case (3), an inner piston (4), an actuating push rod (5), an inner piston upper spring (6) and an inner piston lower spring (7), wherein the inner piston (4) and the inner piston upper spring (6) are arranged in the inner piston case (3), the inner piston (4), the inner piston upper spring (6) and the inner piston lower spring (7) are all sheathed and arranged on the actuating push rod (5), the inner piston (4) is positioned between the inner piston upper spring (6) and the inner piston lower spring (7), and the elasticity of the inner piston upper spring (6) is smaller than that of the inner piston lower spring (7). The by-pass valve actuator has good control precision on the pressure, and has sensitive responsivity, and in addition, the structure is simple and reliable.

Process for preparing suspension-type carambola beverage

Decorative lamp capable of switching Beijing patterns

The utility model discloses a decorative lamp capable of switching Beijing patterns, which relates to the technical field of lamp devices and comprises a shell, a cavity is formed in the shell, a first through hole is formed in the side wall of the bottom of the cavity, circular glass is arranged in the first through hole, a conversion device is arranged at the bottom of the cavity, and a stepping motor, an LED lamp and a power supply control system are fixedly connected to the side wall of the top of the cavity. The power supply control system is electrically connected with the LED lamp and the stepping motor. An output shaft of the stepping motor is connected with a connecting plate. The bottom of the connecting plate is connected with a circular rotating plate, the stepping motor drives the circular rotating plate to rotate in the cavity through the connecting plate, the circular rotating plate is provided with a plurality of second through holes which are evenly distributed, light-transmitting ...

Extensible solid surface antenna reflective face of shape memory material

An extensible solid surface antenna reflector made from shape memory materials relates to a extensible antenna reflector, which is to resolve the problem that the prior extensible antenna reflector used in aerospace can not simultaneously meet the requirements of large diameter and working at high frequency. The reflector body thereof (1) is in a shape of paraboloid provided with a round opening in the middle, a first shape memory material ring reinforcing component (2) is fixedly connected with the upper edge of the back surface of the reflector body (1), a second shape memory material ring reinforcing component (3) is fixedly connected with the lower edge of the back surface of the reflector body (1), and a radial reinforcing plates (4) arrayed in a parabolic direction are equipped on the back surface of the reflector body (1) between the first shape memory material ring reinforcing component (2) and the second shape memory material ring reinforcing component (3). The invention is provided ...

Shape memory polymer pipeline and use of shape memory polymer pipeline as aircraft engine intake

The invention relates to a shape memory polymer pipeline and use of the shape memory polymer pipeline as an aircraft engine intake, in particular to a shape memory polymer pipeline and use thereof, which solve the problem that a structure of the conventional aircraft engine intake cannot be deformed according to requirements, so air inflow cannot be regulated and the shape of the air intake cannot be changed to cause that the through capacity of the aircraft engine intake is discordant with the requirement of an engine to influence the aerodynamics performance of an air engine. The shape memory polymer pipeline is made of a shape memory composition material, and the shape memory composition material consists of 5 to 98 volume parts of shape memory polymer materials, 2 to 95 volume parts of reinforcement phase materials and 0 to 100 volume parts of resistance heating materials; and the shape memory polymer pipeline serving as the aircraft engine intake overcomes the defect that the structure ...

Diode alignment tool of flash X-ray machine and assembling method of tool

The invention discloses a diode alignment tool of a flash X-ray machine and an assembling method of the tool. An anode rod base, used for installing an anode tungsten needle, of a diode is conical, the center of the anode rod base is provided with a through hole in the axial direction, the outer wall on the anode tungsten needle installation portion cracks in the axial direction and is provided with threads, a tool used for installing a cathode ring is a T-shaped post, a tool used for aligning the anode tungsten needle is cylindrical, the outer surfaces of the tools are made of stainless steel, the insides of the tools are made of organic glass, and the center of a post body is provided with a through hole along the axis; the periphery of the outer side of a shielding cover plate is provided with a connection block connected with a shell through a screw; integrity of the anode tungsten needle can be guaranteed by means of the tool, the anode tungsten needle can be used in both sides, and ...

Method for producing reinforced composite material illumination lamp post

The invention discloses a method for producing reinforced composite material illumination lamp post, belonging to a manufacturing method of hollow illumination lamp post, aiming at providing a method for manufacturing lamp post with high hardness, strong rigidity and good appearance quality. A fixture is utilized to manufacture a conic columnar reinforcement cage skeleton, the skeleton wrapped with glass fiber fabric is inserted into a mould solidified with gel coat in advance by virtue of the fixture, the positioning locking element of the fixture is utilized to fix the skeleton, and the supporting element of the fixture is taken out; a hydraulic tractor is utilized to stretch reinforcement, resin mixture is injected into the mould, then starting up is carried out, so that the mould rotates, the resin mixture is uniformly distributed, deceleration is carried out, and ceramsite or quartz sand is sprayed into the mould; meanwhile a mandrel is placed into the mould, and rolling is carried ...

Physically expandable microsphere epoxy foaming material and preparation method thereof

The invention discloses a physically expandable microsphere epoxy foaming material and a preparation method thereof. The material comprises the following raw materials in parts by weight: 52-100 parts of epoxy resin, 42-80 parts of curing agent, 0.08-0.2 part of promoter, 10-20 parts of reinforcing filler, 8-10 parts of flexibilizer and 1.5-3 parts of foaming microspheres. The preparation method comprises the following steps: mixing the raw materials evenly, placing the mixture in 95-130 DEG C of water bath or oil bath to heat, stirring and heating for a half hour to ensure that the viscosity of the mixture is 3000-3300mPa.s, adding foaming microspheres, stirring for 1-3min, pouring in a fiber glass-reinforced plastic mould; pushing the mould in an electronic microwave heating box to cure and release heat, wherein when the exothermic temperature is 120-135 DEG C, the foaming agent begins to foam and expand and relaizes curing and forming; keeping the temperature to 80-130 DEG C for 0-5 ...

弹性蛋白酶的修饰固定化技术及其应用方法

... 弹性蛋白酶的修饰固定化技术及其应用方法，与固定化酶的制备也与使用酶制备组合物的方法有关，目的是提供一种弹性蛋白酶的修饰固定化技术，并将其应用于化妆品或食品的方法。本发明以硅藻土为固定剂、添加抗氧化剂并用醋酸-醋酸铵缓冲溶液进行固定化弹性蛋白酶的修饰，还将固定化的弹性蛋白酶用于生产弹性酶护肤霜和弹性蛋白酶胶囊食品。本发明的技术，可有效地保存弹性蛋白酶的生物活性，使其在化妆品和食品上实现工业化生产。 ...

Device for producing reinforced composite lighting lamp post

The invention discloses a device for producing a reinforced composite lighting lamp post, belonging to devices for manufacturing hollow lamp posts and aiming at providing a device for manufacturing a hollow lamp post. The device comprises a conical molded tube, a riding wheel and a motor. A steel bar (13) is arranged in the conical molded tube (3) through a steel bar fixing device, and the steel bar fixing device comprises a fixed disk (6), a pretightening disk (7), an end cover (2), a screw rod (8) arranged on the pretightening disk, a tractor (1) inserted in the end cover (2), a lock nut (11) arranged on the tractor and a support rod (14) supported between the tractor (1) and the screw rod (8), wherein the fixed disk (6), the pretightening disk (7), and the end cover (2)respectively fixed on both ends of the conical molded tube (3). The fixed disk and the tractor are respectively provided with a circle of positioning holes (15), and the tight steel bar (13) are respectively fixed between ...

Base-enlarging type oral false tooth pile body

The pedestal oral cavity pile body relates to one kind of dental appliance and particular relates to one kind of tooth pile. For releasing stress concentration too much of the joint with pile body and alveolar bone, ensuring rich-looking and prolonging the service life of embedded body, the invention supplies one kind of pedestal oral cavity pile body, which comprises capitutum (1), cervical part (2) and base (3); the horizontal projected area of capitutum (1) and cervical part (2) is less than that of base (3). The cervical part of pile body in this invention adopts column form; the whole adopts narrow-end-up mould, which is the arbitrary shape pile body that the bottom horizontal projected area of embedded body is more than that of top. The pile body structure in this invention breaks through traditional concepts of gradually diminishing from top to bottom for common pile body, adopts enlarged pile base on bottom of pile body and cylindrical pile body on the top, which can release the ...

MEMS chip with air pressure sensor and acceleration sensor integrated and manufacturing method thereof

The invention discloses an MEMS chip with an air pressure sensor and an acceleration sensor integrated. The MEMS chip comprises a monocrystalline silicon piece, a glass cover plate and a glass base plate, the air pressure sensor and the acceleration sensor are integrated on the monocrystalline silicon piece, the air pressure sensor comprises a first induction silicon film, a plurality of first stress-sensitive resistors arranged on the first induction silicon film and a first groove embedded into the glass cover plate upwards from the bottom end of the glass cover plate, and a vertical through air guide-in hole is formed in the glass base plate. The acceleration sensor comprises a mass block, an elastic cantilever beam connected with one end of the mass block, a plurality of second stress-sensitive resistors arranged on the elastic cantilever beam and a second groove embedded into the glass cover plate upwards from the bottom end of the glass cover plate. The invention further discloses ...

Deformable antenna reflection surface

Process for preparing suspension-type carambola beverage

A technology for preparing suspension-type carambola beverage includes such steps as squeezing carambola fruit to obtain juice, high-temp. sterilization, adding the first group of flavourings, high-pressure homogenization twice (and vacuum degassing between them), instantaneous sterilization, adding the second group of flavourings, stirring and filtering. The said first group of flavourings includes purified water, glucose and citric acid solution and the second one may be stabilizer, antiseptic and EDTA. It is rich in VC.

Automobile skylight automatic opening and closing test device and method thereof

The invention discloses an automobile skylight automatic opening and closing test device which comprises a bottom plate, longitudinal supports, a transverse support, a telescopic rod, a stepping motor, a coupler, a single-chip microcomputer, a driver, a cooling fan and a power source, the longitudinal supports are fixed to the front side and the rear side of the bottom plate, the transverse support is connected between the two longitudinal supports in a longitudinally adjustable mode, and the telescopic rod is connected with the single-chip microcomputer. The telescopic rod is rotationally connected with the bottom of the bottom plate through the angle adjuster, the stepping motor is installed on the transverse support in a transverse adjusting mode, one end of the coupler is connected with the stepping motor, and the other end of the coupler is connected with a skylight button. The single-chip microcomputer, the driver, the cooling fan and the power supply are all arranged on the bottom ...

Automobile bumper based on shape memory material

The invention discloses an automobile bumper based on a shape memory material, and relates to an automobile bumper. The automobile bumper aims to solve the problem that metal bumpers and plastic bumpers cannot be restored after impact deformation and cannot be reused. A buffer material is arranged inside an outer plate; a bumper cross-beam is arranged in the buffer material; an air inlet grille is arranged at an air inlet of the outer plate; trim strips are fixedly arranged on the front outer surface and the outer surfaces on both sides of the outer plate; a flow deflector is fixedly connected with the lower end surface of the outer plate; two bumper supports are positioned at both ends of the bumper cross-beam respectively and are fixedly connected with the outer plate, a buffer material body and the bumper cross-beam; the bumper cross-beam is prepared by compression molding of a shape memory composite material; and the outer plate, the buffer material body and accessories are made of ...

Dual -purpose clamp plate on turbine case

The utility model provides a dual -purpose clamp plate on turbine case, includes and is equipped with the mounting screw hole on the body of clamp plate by the clamp plate, is equipped with to be used for the installation and to separate heat exchanger's the linking arm of taking the hem on the body of clamp plate, is equipped with the screw rod hole on the hem of linking arm, the position welding in screw rod hole has the nut. The clamp plate is except having kept present clamp plate function, and its linking arm has replaced the function of the erection column of present turbine case, need not to cast on the turbine case erection column like this, and the structure of turbine case obtains simplifying, has reduced manufacturing cost. Separating heat exchanger and installing on the hem of linking arm, not with turbine case direct contact, thermal -insulated effect is better.

Shape memory composite material hinge driving deploying device

Integral type riveting nozzle cascade assembly

The utility model discloses a formula riveting nozzle cascade assembly, including back lid, distance cover and blade seat, back lid with the blade seat passes through two riveting of distance cover forms a whole, its characterized in that, the back lid is straight mouthful of drum structure, the internal diameter of straight mouthful of drum structure is greater than the internal diameter of distance cover, back capping is to the terminal surface inner edge formation of turbine case and the tang face complex step face of turbine case. Compared with the prior art, the utility model, reduce theprocessing degree of difficulty of back lid, the scope of having reduced nodical size is interval, has improved the uniformity of product, and the cost is reduced has improved assembly efficiency simultaneously.

Ball picking machine control method and device based on YOLOV5 algorithm and storage medium

The invention relates to a ball picking machine control method and device based on a YOLOV5 algorithm and a storage medium, and the method comprises the steps: obtaining a video in a badminton training process, the video comprising multiple video image frames; a candidate sphere is detected in each video image frame by using a pre-trained sphere recognition network, a bounding box corresponding to the candidate sphere is determined, and the sphere recognition network is a neural network trained by using a preset fusion shallow feature as a shallow feature of a YOLOV5 algorithm based on the YOLOV5 algorithm; the fused shallow-layer features are generated by fusing the shallow-layer features and preset deep-layer features; screening out a target sphere from the candidate spheres according to the distance information between the bounding box and the center line of the corresponding video image frame; and according to a preset movement driving mode, the ball picking machine is controlled to ...

Full -automatic chopsticks spoon washs sequencer

The utility model discloses a full -automatic chopsticks spoon washs sequencer aims at providing one kind and can effectively reduce the cost of labor, realizes washing and categorised full -automatic chopsticks spoon washs sequencer to chopsticks and ladle. The utility model discloses a cleaning system (1), classification system (2), chopsticks recovery system (3) and ladle recovery system (4), cleaning system (1) is including wasing conveyor (11) and setting up wash belt cleaning device (12) on conveyor (11), wash on conveyor (11) still rows of being provided with to installing (13), classification system (2) are located wash the output of conveyor (11), chopsticks recovery system (3) and ladle recovery system (4) all with classification system (2) looks adaptation. The utility model discloses be applied to the technical field that the tableware washd the sequencer.

Reflecting surface of deployable antenna based on shape memory polymer and manufacturing method of skeleton structure thereof

The invention provides a reflecting surface of a deployable antenna based on a shape memory polymer and a manufacturing method of a reflecting surface piece thereof, which relate to a reflecting surface of a deployable antenna and a manufacturing method of a reflecting surface piece. The invention solves the problems of large weight, large volume, complicated structure and unsteady deployment andcontraction of a traditional deployable antenna used for spaceflight. The deployable antenna is formed by splicing an annular power component, an annular reinforcement component, a radial reinforcement component and a reflecting film. The manufacturing method of the reflecting surface piece comprises the following steps of: (1) designing a mold; (2) preparing a shape memory polymer material; (3) coating a fibre reinforced material by using the shape memory polymer material; (4) forming an uncured fibre-reinforced shape memory polymer blank; (5) putting the closed mold into a heating box and heating ...

Accessory of three -dimensional stacker

The utility model relates to an accessory of three -dimensional stacker, including side arm, well frame and after -frame, but well one end horizontal slip ground is connected in the after -frame, and the translation hydro -cylinder is installed to the after -frame, removes about the frame among the translation cylinder control, well other end fixedly connected with swing hydro -cylinder, the swing hydro -cylinder is spiral swing hydro -cylinder, swing hydro -cylinder and side arm rotatable coupling. The compact structure of spiral swing hydro -cylinder, have higher torque output, high bearing capacity, shock resistance, characteristics such as zero leakage, installation are nimble, can improve rotation angle accuracy nature and enlarge rotation angle through the rotation of swing cylinder control side arm, simplify the installation of accessory.

Three-dimensional packaging structure for multi-chip mixing integration and processing method thereof

Disclosed in the invention is a three-dimensional packaging structure for multi-chip mixing integration and a processing method thereof. The invention relates to a three-dimensional packaging structure for mixing integration of chips with different types and passive devices and a processing method thereof. According to the three-dimensional packaging structure, a BGA circuit substrate is used as a carrier; three-dimensional high-density mixed integration is carried out on a QFN packaging chip, a bare chip, and a plurality of passive devices; and the bare chip is integrated on the QFN packaging chip in a stack mode, thereby forming a three-dimensional structure. The passive devices include one or more resistors, capacitors or inductors. According to the processing method, a QFN packaging chip and surrounding passive devices are pasted at an upper surface of a BGA circuit substrate by reflow soldering; a bare chip is stacked on the QFN packaging chip to form a three-dimensional lamination ...

Polyurethane fiber-reinforced shape memory polymer composite material

The invention discloses a polyurethane fiber-reinforced shape memory polymer composite material, relating to a shape memory polymer composite material, and solving the problem of low recoverable strain of the traditional shape memory polymer composite material. The shape memory polymer composite material contains a shape memory polymer material and polyurethane fibers. The recoverable strain of the polyurethane fiber-reinforced shape memory polymer composite material is greater than 10%, and the polyurethane fiber-reinforced shape memory polymer composite material has large recoverable strain, and can also output large external force when the strain is recovered again.

Enlarged bottom-portion dental implant

The present invention relates to dental implants. It provides an improved dental implant wherein the largest horizontal cross-section of the implanted body portion is larger than the largest horizontal cross-section of the neck portion and a method to design a dental implant using finite element analysis.

Disposable femoral artery inflating pressure device

The present invention discloses a disposable air inflation pressurization device for femoral artery. It includes front piece wrapper and rear piece wrapper, the edge of front piece wrapper and edge of rear piece wrapper are respectively equipped with a lock fastener, in the left side of front piece wrapper a first bag cavity is set, and in the right side of front piece wrapper a second bag cavity is set, in said first bag cavity interior a first air bag is mounted, and in the second bag cavity a second air bag is mounted, on the first air bag a first air pressurization tube and a first pressure gauge are mounted, and on the second air bag a second air pressurization tube and a second pressure gauge are mounted, its front end is open and other three sides are closed structures. Said invention can prevent cross infection, its air inflation pressurization is uniform and its bleeding-stopping effect is good.

High-voltage power grid power cable protection device

The invention discloses a high-voltage power grid power cable protection device, which belongs to the field of cable protection, and is characterized in that a first mounting ring is fixedly connected with a limiting strip, the limiting strip is clamped on a second mounting ring, and a first clamping block for clamping a cable is slidably connected in the side wall of a first connecting sleeve; a second clamping block used for clamping a cable is slidably connected into the side wall of the second connecting sleeve, and a driving mechanism used for driving the first clamping block and the second clamping block to slide is arranged on the first connecting sleeve. By arranging the first connecting sleeve, the second connecting sleeve, the first clamping block and the second clamping block, when the first mounting ring gets close to the second mounting ring, the driving mechanism operates synchronously, and the first clamping block and the second clamping block move towards the cable, so that ...

Novel thrombus cleaning device

A novel thrombus cleaning apparatus, the invention relates to a thrombus cleaning apparatus of surgical operation in order to solve the problem that the accurate and complicated surgical operation is difficult to perform in a narrow blood vessel cavity. The thrombus cleaning apparatus comprises a shape memory material minitype driver 1, a minitype connector 2 and a minitype vessel 3, the shape memory material minitype driver 1 and the minitype connector 2 are connected and mounted in the minitype vessel 3 together. The invention has simple design and manufacture, can satisfy the requirement that the accurate and complicated surgical operation can be performed in the narrow blood vessel cavity.

Vehicle window glass automatic lifting test device and method thereof

The invention discloses a vehicle window glass automatic lifting test device, which comprises a mounting rack, a glass lifter, a cooling fan, a position sensor, a main control relay, an intermediate relay, a voltage sensor, a single chip microcomputer and a power supply, and is characterized in that the glass lifter comprises two guide rails, a glass bracket and a motor for driving the glass bracket to lift up and down; the two guide rails are vertically arranged on the mounting frame in a bilateral symmetry mode, the two ends of the glass bracket are slidably connected with the guide rails on the left side and the right side respectively, the motor is connected with the glass bracket through a transmission mechanism, and a temperature sensor is arranged on the motor; the number of the position sensors is two, and the cooling fan is arranged on the mounting frame. According to the vehicle window glass lifting test device and method, the motor can be controlled through the single chip microcomputer ...

Polyurethane fiber-reinforced shape memory polymer composite material

The invention discloses a polyurethane fiber-reinforced shape memory polymer composite material, relating to a shape memory polymer composite material, and solving the problem of low recoverable strain of the traditional shape memory polymer composite material. The shape memory polymer composite material contains a shape memory polymer material and polyurethane fibers. The recoverable strain of the polyurethane fiber-reinforced shape memory polymer composite material is greater than 10%, and the polyurethane fiber-reinforced shape memory polymer composite material has large recoverable strain, and can also output large external force when the strain is recovered again.

Ventilation structure and air compressor

According to the air exchange structure and the air compressor, the air exchange structure comprises the air exchange box and the air cylinder, the end cover of the piston cylinder is connected with the opening end of the air exchange box in a welded mode, the situation that a stud occupies the space of an air exchange cavity, and consequently the air inlet sound is large is avoided, assembling of the air exchange structure is simplified, and the assembling efficiency is improved; due to the fact that the air cylinder vibrates in the working process, the risk that screws are loosened due to vibration can be avoided through the welding mode, and therefore the air tightness and the ventilation effect are affected, and in addition, the cylinder body is arranged in the ventilation cavity, the volume of the ventilation cavity is increased, the decibel of air inlet sound is reduced, and the service life is prolonged. And heat generated when the air cylinder works can be dissipated in an air exchange ...

Virtual character control method and apparatus, terminal, and computer-readable storage medium

A virtual character control method is provided. The method includes displaying a user interface (UI) of an application program, the UI including a virtual environment image and a movement control superimposed on the virtual environment image, and the virtual environment image being an image of a virtual environment, including a virtual character, observed with a perspective; receiving a pressure operation with respect to the movement control, the pressure operation having a pressure greater than a pressure threshold; and controlling, based on the pressure operation satisfying a trigger condition, the virtual character to perform a target action in the virtual environment. Apparatus, terminal, and non-transitory computer-readable storage medium counterparts are also contemplated.

DISPLAY PANEL AND DISPLAY DEVICE

Embodiments of the present disclosure provide a display panel and a display device. The display panel includes: a first substrate; at least one underlaying structure, arranged on the first substrate and in a non-display region of at least one side of a display region of the display panel; and at least one supporting structure, arranged on one side, facing away from the first substrate, of the at least one underlaying structure, where an orthographic projection of the supporting structure on the first substrate is within a range of an orthographic projection of the underlaying structure on the first substrate. 1. A display panel , comprising:a first substrate;at least one underlaying structure, arranged on the first substrate and in a non-display region of at least one side of a display region of the display panel; andat least one supporting structure, arranged on one side, facing away from the first substrate, of the at least one underlaying structure,wherein an orthographic projection of the supporting structure on the first substrate is within a range of an orthographic projection of the underlaying structure on the first substrate.2. The display panel according to claim 1 , further comprising:a color light filter layer arranged in the display region, anda plurality of spacers arranged on one side, facing away from the first substrate, of the color light filter layer;wherein the color light filter layer comprises sub-pixel color resistors in at least three colors;the underlaying structure comprises: color resistor structures arranged on a same layer and made of a same material as the sub-pixel color resistors in at least one color; andthe supporting structure is arranged on a same layer and made of a same material as the spacers;wherein the display panel further comprises:a shading layer arranged between the underlaying structure and the first substrate, and a flat layer arranged on one side, facing away from the first substrate, of the underlaying structure.3. ...

Optical communication system and method, transmitting device and receiving device for the same

The present disclosure provides an optical communication system, an optical communication method, and a transmitting device and a receiving device for the same. The optical communication system includes: a transmitting device for generating a control signal according to at least one encoding information to drive a light emitting device to actuate; and a receiving device for capturing a plurality of images via an image capturing module during actuation of the light emitting device, and decoding the plurality of images to obtain the encoding information.

Semiconductor Pillars Having Triangular-Shaped Lateral Peripheries, and Integrated Assemblies

Some embodiments include a pillar which contains semiconductor material, and which extends primarily along a rust direction. A cross-section through the pillar along a second direction orthogonal to the first direction is through the semiconductor material and includes a lateral periphery of the pillar configured as three-sided shape. Some embodiments include an integrated assembly having a vertical stack of alternating first and second levels. The first levels include conductive structures and the second levels ae insulative. Channel-material-pillars extend through the vertical stack. Each of the channel-material-pillars has a top-down cross-section which includes a lateral periphery configured as three-sided shape of an equilateral triangle with rounded vertices.

ARRAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE

The disclosure discloses an array substrate, a display panel and a display device. The array substrate includes a peripheral circuit area in which a plurality of first wire grooves, a plurality of second wire grooves, a plurality of first lead wires and a plurality of second lead wires are arranged, wherein each first lead wire is arranged corresponding to one of the first wire grooves, and laid out on a bottom and sidewalls of a corresponding first wire groove; and each second lead wire is arranged corresponding to one of the second wire grooves, and a plurality of recesses and protrusions are arranged alternately on a bottom surface of each second wire groove along an extension direction of the each second wire groove, wherein each second lead wire is laid out on surfaces of recesses and protrusions on a bottom surface of a corresponding second wire groove. 1. An array substrate , comprising a peripheral circuit area in which a plurality of first wire grooves , a plurality of second wire grooves , a plurality of first lead wires , and a plurality of second lead wires are arranged , wherein:each of the plurality of first lead wires is arranged corresponding to one of the plurality of first wire grooves, and laid out on a bottom and sidewalls of a corresponding first wire groove; andeach of the plurality of second lead wires is arranged corresponding to one of the plurality of second wire grooves, and a plurality of recesses and protrusions are arranged alternately on a bottom surface of each of the plurality of second wire grooves along an extension direction of the each of the plurality of second wire grooves, wherein each of the plurality of second lead wires is laid out on surfaces of recesses and protrusions on a bottom surface of a corresponding second wire groove.2. The array substrate according to claim 1 , wherein a width of each of the plurality of first wire grooves is same as a width of each of the plurality of second wire grooves.3. The array substrate ...

COIL COMPONENT AND POWER SUPPLY APPARATUS INCLUDING THE SAME

A coil component includes a first coil part including a multilayer substrate on which a conductor pattern is formed, a second coil part formed as a wire and stacked together with the first coil part, a core coupled to the first and second coil parts while penetrating through the first and second coil parts to thereby be electromagnetically coupled to the first and second coil parts, and a pressing member interposed between the core and the second coil part to allow the first and second coil parts to closely adhere to each other. 1. A coil component comprising:a first coil part including a multilayer substrate on which a conductor pattern is formed;a second coil part formed as a wire and stacked together with the first coil part;a core coupled to the first and second coil parts while penetrating through the first and second coil parts to thereby be electromagnetically coupled to the first and second coil parts; anda pressing member interposed between the core and the second coil part to allow the first and second coil parts to closely adhere to each other.2. The coil component of claim 1 , wherein the pressing member maintains a shape of the second coil part while limiting movement of the second coil part.3. The coil component of claim 1 , wherein the pressing member includes a pressing plate formed in a plate shape to correspond to a shape of the second coil part and an insertion protrusion protruding from the pressing plate.4. The coil component of claim 3 , wherein the insertion protrusion is inserted between a plurality of coil strands forming the second coil part.5. The coil component of claim 3 , wherein the insertion protrusion is inserted between a first coil turn wound innermost among a plurality of coil turns forming the second coil part and a second coil turn wound subsequently to the first coil turn.6. The coil component of claim 3 , wherein the pressing member further includes at least one support protrusion protruding along an outer circumference of the ...

COIL COMPONENT AND POWER SUPPLY APPARATUS INCLUDING THE SAME

A coil component includes a first coil part including a multilayer substrate on which a conductor pattern is formed, a second coil part formed as a wire and stacked together with the first coil part, a core coupled to the first and second coil parts while penetrating through the first and second coil parts to thereby be electromagnetically coupled to the first and second coil parts, and a pressing member interposed between the core and the second coil part to allow the first and second coil parts to closely adhere to each other. 1. A coil component comprising:a first coil part comprising a multilayer substrate on which a conductor pattern is formed;a second coil part formed as a wire and stacked with the first coil part;a core coupled to the first and second coil parts while penetrating through the first and second coil parts to be electromagnetically coupled to the first and second coil parts; anda pressing member interposed between the core and the second coil part to allow the first and second coil parts to adhere to each other,wherein the second coil part comprises a winding part in which a wire is wound in a spiral shape.2. The coil component of claim 1 , wherein the winding part is formed in a shape corresponding to that of the conductor pattern of the first coil part for increasing a coupling coefficient between the first and second coil parts.3. The coil component of claim 1 , wherein the pressing member maintains a shape of the second coil part while limiting movement of the second coil part.4. The coil component of claim 1 , wherein the pressing member comprises a pressing plate formed in a plate shape to correspond to a shape of the second coil part.5. The coil component of claim 1 , wherein the pressing plate comprises a hollow part for inserting a middle leg of the core.6. The coil component of claim 1 , wherein the core comprises at least one lead groove formed in an inner space of the core.7. The coil component of claim 1 , wherein the lead groove is ...

QUANTUM DOT FILM, QUANTUM DOT LIGHT-EMITTING ASSEMBLY AND DISPLAY DEVICE

A quantum dot film, a quantum dot light-emitting assembly and a display device are provided. The quantum dot film includes: a quantum dot layer; and a conductive layer arranged on at least a side of the quantum dot layer along a thickness direction, and the conductive layer includes nano-sized metal particles, and at least a portion of the nano-sized metal particles are configured to generate a surface plasma resonance under electromagnetic radiation. The luminescence efficiency and intensity of the quantum dot layer can be effectively improved by arranging the conductive layer on at least a side of the quantum dot layer. 1. A quantum dot film , comprising:a quantum dot layer; anda conductive layer, arranged on at least a side of the quantum dot layer along a thickness direction, wherein the conductive layer comprises nano-sized metal particles, and at least a portion of the nano-sized metal particles are configured to generate a surface plasma resonance under electromagnetic radiation.2. The quantum dot film according to claim 1 , wherein the quantum dot layer comprises quantum dots claim 1 , and a distance between the quantum dot layer and the conductive layer along the thickness direction of the quantum dot layer is configured to enable a portion of the quantum dots to be located in a resonance electromagnetic field generated by the surface plasma resonance.3. The quantum dot film according to claim 1 , wherein the conductive layer is located on a light-entering side of the quantum dot layer.4. The quantum dot film according to claim 1 , wherein the quantum dot film comprises two conductive layers claim 1 , and the two conductive layers are arranged on a light-exiting side and a light-entering side of the quantum dot layer respectively.5. The quantum dot film according to claim 1 , further comprising an isolation layer claim 1 , wherein the isolation layer is located between at least a portion of the conductive layer and at least a portion of the quantum dot ...

System and method for combining light code and video

A system and method for combining light codes and a video are provided. The system includes an editing device and a storage device. The editing device identifies the content of a video to obtain a playback period of a plurality of frames having at least one candidate object in the video. The storage device stores at least one candidate object code and at least one light code symbol, and the light code symbol has a correspondence with the candidate object code. The editing device matches playback period of the frames having the at least one candidate object with the light code symbol, so as to provide a light code output table corresponding to the video.

TICKET AUTHENTICATION METHOD AND TICKET AUTHENTICATION DEVICE

A ticket authentication method and a ticket authentication device are provided. The ticket authentication method includes the following steps. A first electronic device outputs an e-ticket. A second electronic device acquires the e-ticket. The second electronic device outputs a visible light verification code. The first electronic device acquires the visible light verification code and generates a composite code according to a certification data and the verification code. The second electronic device acquires the visible light composite code, and determines whether the composite code matches the certification data and the verification code. When the composite code matches the certification data and the verification code, the second electronic determines that the authentication of the e-ticket is successful. 1. A ticket authentication method , comprising:outputting an e-ticket by visible light communication by a first electronic device;acquiring the e-ticket by a second electronic device;outputting verification codes by converting the verification codes to visible light verification codes to be outputted by the second electronic device;temporarily storing the verification codes in the second electronic device;acquiring the visible light verification codes to produce a composite code according to a certification data and the visible light verification code, and outputting the composite code by converting the composite code to visible light composite code to be outputted by the first electronic device;by the second electronic device, acquiring the visible light composite code and determining whether the composite code matches the certification data and the verification code; andby the second electronic device, considering that authentication of the e-ticket is successful when the composite code matches the certification data and the verification code.2. The ticket authentication method according to claim 1 , wherein acquiring the visible light composite code and ...

STATE ESTIMATION AND SENSOR FUSION SWITCHING METHODS FOR AUTONOMOUS VEHICLES

State estimation and sensor fusion switching methods for autonomous vehicles thereof are provided. The autonomous vehicle includes at least one sensor, at least one actuator and a processor, and is configured to transfer and transport an object. In the method, a task instruction for moving the object and data required for executing the task instruction are received. The task instruction is divided into a plurality of work stages according to respective mapping locations, and each of the work stages is mapped to one of a transport state and an execution state, so as to establish a semantic hierarchy. A current location of the autonomous vehicle is detected by using the sensor and mapped to one of the work stages in the semantic hierarchy, so as to estimate a current state of the autonomous vehicle. 1. A state estimation and sensor fusion switching method for an autonomous vehicle , the autonomous vehicle comprising at least one sensor , at least one actuator and a processor and being configured to transfer and transport an object , the method comprising following steps of:receiving a task instruction for moving the object and data required for executing the task instruction;dividing the task instruction into a plurality of work stages according to respective mapping locations, and mapping each of the work stages to one of a transport state and an execution state, so as to establish a semantic hierarchy;detecting a current location of the autonomous vehicle by using the sensor; andmapping the current location to one of the work stages in the semantic hierarchy, so as to estimate a current state of the autonomous vehicle.2. The method according to claim 1 , wherein after the step of dividing the task instruction into the work stages according to the respective mapping locations claim 1 , and mapping each of the work stages to one of the transport state and the execution state claim 1 , so as to establish the semantic hierarchy claim 1 , the method further comprises: ...

BACKLIGHT SOURCE, BACKLIGHT MODULE AND DISPLAY DEVICE

A backlight source, a backlight module and a display device are provided. The backlight source includes a light source and a polarizer component, the light source is configured to emit light to the polarizer component, the polarizer component is configured to convert the light emitted from the light source into polarized light, and the polarizer component includes a birefringent material. The backlight source emits linearly polarized light by using the birefringent material. 1. A backlight source comprising a light source and a polarizer component , whereinthe light source is configured to emit light to the polarizer component, the polarizer component is configured to convert the light emitted from the light source into polarized light, and the polarizer component comprises a birefringent material.2. The backlight source according to claim 1 , wherein the polarizer component comprises:a refractor, comprising a first light incident surface and a first light-outgoing surface which are opposite to each other, and comprising a second light-outgoing surface provided between the first light incident surface and the first light-outgoing surface, wherein the first light-outgoing surface is on a light-outgoing side of the backlight source;wherein the refractor comprises the birefringent material, the light emitted from the light source is decomposed into a first light ray having a first polarization direction and a second light ray having a second polarization direction after the light emitted from the light source enters the refractor, and the first polarization direction is perpendicular to the second polarization direction, andat the first light-outgoing surface, a portion of the first light ray is reflected as a first sub-ray, the other portion of the first light ray is refracted as a second sub-ray, and the second light ray is totally reflected.3. The backlight source according to claim 2 , whereinat the first light-outgoing surface, an incident angle of the first light ...

METHOD AND APPARATUS FOR ESTABLISHING COORDINATE SYSTEM AND DATA STRUCTURE PRODUCT

A method and an apparatus for establishing a coordinate system and a data structure product are provided. The method includes following steps: obtaining at least one layer related to an arrangement of an indoor space to generate a layout pattern in a 2D or 3D model; obtaining locations of positioning devices located within the indoor space and labelling the locations in the layout pattern; dividing the layout pattern into multiple view tiles according to a unit area or a unit volume for displaying the layout pattern; dividing a portion of the layout pattern around the labelled positioning devices into multiple positioning tiles according to the labelled locations of the positioning devices; and selecting at least one representative point of the view tiles and the positioning tiles as a reference point to define a reference frame and establishing the coordinate system based on the reference frame. 1. A method for establishing a coordinate system of an indoor space by an electronic apparatus , comprising:obtaining at least one layer related to an arrangement of the indoor space to generate a layout pattern in a two-dimensional (2D) or a three-dimensional (3D) model;obtaining locations of a plurality of positioning devices located within the indoor space and labelling the locations in the layout pattern;dividing the layout pattern into a plurality of view tiles according to a unit area or a unit volume for displaying the layout pattern;dividing a portion of the layout pattern around the positioning devices into a plurality of positioning tiles according to the labelled location of each of the positioning devices; andselecting at least one representative point of the view tiles and the positioning tiles as a reference point to define a reference frame and establishing the coordinate system based on the reference frame.2. The method according to claim 1 , wherein the step of dividing the portion of the layout pattern around the positioning devices into the plurality of ...

SYSTEM AND METHOD FOR COMMUNICATION SERVICE VERIFICATION, AND VERIFICATION SERVER THEREOF

The present disclosure provides a system and a method for communication service verification and a verification server thereof. The method includes: obtaining a light code from a light code transmission device through a user device; demodulating the light code by the user device to generate a cipher; receiving a service request sent from the user device by a service system server; receiving a verification request sent from the user device or the service system server by a verification server; and retrieving a decryption key by the verification server based on the verification request, so as to decode the cipher in the verification request using the decryption key and obtain a decoding result. 1. A system for communication service verification , comprising:a user device configured for obtaining a light code from a light code transmission device and demodulating the light code to generate a cipher;a service system server configured for receiving a service request from the user device; anda verification server configured for receiving a verification request including the cipher from the user device or the service system server, wherein the verification server obtains a decryption key based on the verification request and decodes the cipher using the decryption key to obtain a decoding result,wherein the decoding result is transmitted to the service system server, and the service system server retrieves contents corresponding to the service request based on the decoding result and transmits the contents to the user device.2. The system of claim 1 , wherein when the verification server receives the verification request from the service system server claim 1 , the cipher is transmitted along with the service request to the service system server.3. The system of claim 1 , wherein the decryption key is recorded in a verification table stored in an external database or within the verification server.4. The system of claim 1 , wherein the verification server further includes: ...

Array Substrate and Method for Manufacturing the Same, Liquid Crystal Display Panel, Display Device

An array substrate, a method for manufacturing the same, a liquid crystal display panel, and a display device are provided. The array substrate includes a first substrate; signal lines and an insulating layer; the insulating layer is disposed on the first substrate, and grooves are disposed on a side of the insulating layer facing away from the first substrate and disposed in a region of the insulating layer corresponding to a non-display region of the arm substrate; and the signal lines are disposed on inner walls of the grooves, a direction of the inner walls of the grooves is arranged such that at least a portion of light incident on the signal lines from a side of the first substrate facing away from the signal lines is reflected to a display region of the array substrate. 1. An array substrate comprising:a first substrate, signal lines and an insulating layer;the insulating layer is disposed on the first substrate, and grooves are disposed on a side of the insulating layer facing away from the first substrate and disposed in a region of the insulating layer corresponding to a non-display region of the array substrate; andthe signal lines are disposed on inner walls of the grooves, a direction of the inner walls of the grooves is arranged such that at least a portion of light incident on the signal lines from a side of the first substrate facing away from the signal lines is reflected to a display region of the array substrate.2. (canceled)3. The array substrate according to claim 1 , wherein the signal lines comprises scan lines and data lines claim 1 , the scan lines and the data lines being arranged to cross each other;the grooves comprise the first grooves and the second grooves;wherein the insulating layer comprises a first insulating layer and a second insulating layer stacked to each other:the first grooves are disposed on a side of the first insulating layer facing away from the first substrate and disposed in a region of the first insulating layer ...

Display panel and manufacturing method thereof, and display device

A display panel and a manufacturing method thereof, and a display device are provided. The display panel includes a first substrate and a second substrate disposed opposite to each other, and a liquid crystal layer therebetween; and at least one pixel electrode and at least one common electrode disposed on at least one of the first substrate and the second substrate; wherein at least one orthographic projection of the at least one pixel electrode on a first base substrate of the first substrate and at least one orthographic projection of the at least one common electrode on the first base substrate are alternately arranged along a first direction in which the first base substrate extends; and a ratio of a height of the at least one pixel electrode to a thickness of the liquid crystal layer is in a range of 20%-50.

Ticket authentication method and ticket authentication device

A ticket authentication method and a ticket authentication device are provided. The ticket authentication method includes the following steps. A first electronic device outputs an e-ticket. A second electronic device acquires the e-ticket. The second electronic device outputs a visible light verification code. The first electronic device acquires the visible light verification code and generates a composite code according to a certification data and the verification code. The second electronic device acquires the visible light composite code, and determines whether the composite code matches the certification data and the verification code. When the composite code matches the certification data and the verification code, the second electronic determines that the authentication of the e-ticket is successful.

Array substrate and method for manufacturing the same, liquid crystal display panel, display device

An array substrate, a method for manufacturing the same, a liquid crystal display panel, and a display device are provided. The array substrate includes a first substrate, signal lines and an insulating layer; the insulating layer is disposed on the first substrate, and grooves are disposed on a side of the insulating layer facing away from the first substrate and disposed in a region of the insulating layer corresponding to a non-display region of the array substrate; and the signal lines are disposed on inner walls of the grooves, a direction of the inner walls of the grooves is arranged such that at least a portion of light incident on the signal lines from a side of the first substrate facing away from the signal lines is reflected to a display region of the array substrate.

Hard sealing eccentric half ball valve

本实用新型涉及硬密封偏心半球阀，包括半球阀芯、阀体及阀芯控制器，阀芯控制器包括阀杆，半球阀芯设置有连接端，阀杆一端与半球阀芯的连接端固定连接，连接端设置有安装孔，安装孔内壁设置有第一内螺纹与第二内螺纹，第一内螺纹与第二内螺纹的螺旋方向相反，阀杆外周设置有第一外螺纹，连接端设置有锁止块、卡接方块及螺旋推杆，锁止块上设置有第二外螺纹，阀杆设置有第一卡接槽，锁止块对应第一卡接槽设置有第二卡接槽，卡接方块滑移设置于第一卡接槽与第二卡接槽内，螺旋推杆相抵于卡接方块，且螺纹连接锁止块，螺旋推杆进退方向与卡接方块滑移相同。采用上述方案，提供一种反向螺纹连接固定，达到固定稳定，且螺纹拆卸方便的的硬密封偏心半球阀。

Semiconductor pillars having triangular-shaped lateral peripheries, and integrated assemblies

Some embodiments include a pillar which contains semiconductor material, and which extends primarily along a first direction. A cross-section through the pillar along a second direction orthogonal to the first direction is through the semiconductor material and includes a lateral periphery of the pillar configured as three-sided shape. Some embodiments include an integrated assembly having a vertical stack of alternating first and second levels. The first levels include conductive structures and the second levels are insulative. Channel-material-pillars extend through the vertical stack. Each of the channel-material-pillars has a top-down cross-section which includes a lateral periphery configured as three-sided shape of an equilateral triangle with rounded vertices.

Uncovering assembly of household appliance and household appliance

Provided are an uncovering assembly of a household appliance, and a household appliance. A positioning portion cooperates with a positioning structure on a shell of the household appliance in the uncovering assembly, a cover is prevented from being loosened relative to the shell, in this way visual fool proofing may be achieved. A lock catch switches from an unfastening position to a fastening position after the positioning portion cooperates with the positioning structure. The lock catch, after entering the fastening position, is in mutual restriction with a fastening structure in a vertical direction.

Electronic devices comprising segmented high-k dielectric materials and storage node materials, related systems, and methods of forming

An electronic device includes a stack structure including vertically alternating dielectric materials and conductive materials, the conductive materials including first regions and second regions, and pillars extending vertically through the stack structure, the pillars adjacent to the second regions of the conductive materials. The pillars include cell films adjacent to the second regions, the cell films including a high-k dielectric material, a barrier oxide material, a storage node material, a tunneling material, and a channel material. Segments of each of the high-k dielectric material, the barrier oxide material, and the storage node material are adjacent to the second regions. A length of the segments of high-k dielectric material and a length of the segments of storage node material adjacent to the second regions are greater than a height of the first regions of the conductive materials. Related methods and systems are also disclosed.

Display panel and display device

Embodiments of the present disclosure provide a display panel and a display device. The display panel includes: a first substrate; at least one underlaying structure, arranged on the first substrate and in a non-display region of at least one side of a display region of the display panel; and at least one supporting structure, arranged on one side, facing away from the first substrate, of the at least one underlaying structure, where an orthographic projection of the supporting structure on the first substrate is within a range of an orthographic projection of the underlaying structure on the first substrate.

Display panel and display device

Embodiments of the present disclosure provide a display panel and a display device. The display panel includes: a first substrate; at least one underlaying structure, arranged on the first substrate and in a non-display region of at least one side of a display region of the display panel; and at least one supporting structure, arranged on one side, facing away from the first substrate, of the at least one underlaying structure, where an orthographic projection of the supporting structure on the first substrate is within a range of an orthographic projection of the underlaying structure on the first substrate.

Display panel and display device

State estimation and sensor fusion switching methods for autonomous vehicles

State estimation and sensor fusion switching methods for autonomous vehicles thereof are provided. The autonomous vehicle includes at least one sensor, at least one actuator and a processor, and is configured to transfer and transport an object. In the method, a task instruction for moving the object and data required for executing the task instruction are received. The task instruction is divided into a plurality of work stages according to respective mapping locations, and each of the work stages is mapped to one of a transport state and an execution state, so as to establish a semantic hierarchy. A current location of the autonomous vehicle is detected by using the sensor and mapped to one of the work stages in the semantic hierarchy, so as to estimate a current state of the autonomous vehicle.

发热体安装结构及电暖器

本实用新型提供了一种发热体安装结构及电暖器，发热体安装结构包括壳体和发热体，发热体的两端设有第一安装件，第一安装件上设有限位件，壳体内设有滑槽，限位件可滑动的安装在滑槽内，壳体还包括设于发热体两端的端板，发热体的其中一端固定在端板上。与现有技术相比，通过将限位件从滑槽的一端滑入来将发热体限位并安装在壳体内，使发热体仅通过滑入即可安装，过程方便快捷且容易控制；将发热体滑入壳体内之前在发热体的一端固定壳体的一个端板，在发热体滑入后将发热体的另一端与另一个端板固定，从而完成发热体与壳体的安装，因此，发热体的装配更为简单有效，这大大提升了装配效率。

Dust treatment apparatus and dust treatment method thereof

Crop irrigation method and apparatus based on salt leaching fraction, device and storage medium

A crop irrigation method based on a salt leaching fraction disclosed. The method includes: calculating a salt leaching fraction of crops by combining a salt stress and effect of water quality on an irrigation amount of the crops, controlling an irrigation apparatus to perform irrigation and drainage operations by monitoring water and salt in a soil depth corresponding to crop roots, and removing excess salt from the crop roots, thus reducing the salt stress on crop growth, ensuring a crop yield, and reducing waste of water resources while realizing efficient utilization of existing water resources.

Enlarged bottom-portion dental implant

The present invention relates to dental implants. It provides an improved dental implant wherein the largest horizontal cross-section of the implanted body portion is larger than the largest horizontal cross-section of the neck portion and a method to design a dental implant using finite element analysis.

一种新型软密封球阀

本实用新型涉及一种新型软密封球阀，包括球形阀芯、阀体、阀盖及阀芯控制器，球形阀芯安装于阀体与阀盖之间，阀体及阀盖内设置有流道，流道内设置有阀座，阀芯控制器包括驱动装置及阀杆，球形阀芯、阀体、阀盖及阀杆上设置有衬套，阀体及阀盖上均设置有吸附机构，各吸附机构包括调压腔、密封件、拔拉杆，阀体及阀盖设置有吸附腔，各吸附腔一端与对应调压腔连通，另一端延伸至阀体与衬套之间或者阀盖与衬套之间，各密封件滑移设置于对应调压腔，并密封挤压于调压腔的腔壁，各拔拉杆固定设置于对应密封件，且可沿密封件滑移方向移动。采用上述方案，提供一种使衬套紧密连接于对应阀体或者阀盖的一种新型软密封球阀。

Small object detection method and apparatus, readable storage medium, and electronic device

The present disclosure relates to a small object detection method and apparatus, a readable storage medium, and an electronic device. The method includes: inputting a to-be-detected image to a pre-trained small object detection model; and separately encoding and decoding information of the to-be-detected image in the small object detection model using a desubpixel convolution operation and a subpixel convolution operation running in pair: and extracting features in the to-be-detected image through the small object detection model, and outputting an object's category and location in the to-be-detected image. The present disclosure aims at solving the technical problem in the prior art that traditional FPNs fail to consider the correlation between the downsampling in the backbone network and the upsampling in the neck network during feature fusion, which leads to redundant operations and information loss. Moreover, far from bringing additional information, an interpolation algorithm adopted in the FPN method may put on the amount of calculation.

Display panel and display device

Embodiments of the present disclosure provide a display panel and a display device. The display panel includes: a first substrate; an underlaying structure, located on the first substrate and located in a non-display region on at least one side of a display region of the display panel; and a supporting structure, located on one side of the underlaying structure facing away from the first substrate, where orthographic projections of the supporting structure on the first substrate are located within a range of orthographic projections of the underlaying structure on the first substrate.

锻钢固定球阀

本实用新型涉及一种锻钢固定球阀，包括球形阀芯、阀体及阀芯控制器，球形阀芯安装于阀体内，阀体内设置有流道，流道内设置有阀座，阀芯控制器与球形阀芯联动设置，其包括转动球形阀芯的驱动装置及连接驱动装置与球形阀芯的阀杆，阀体上设置有用于控制阀杆是否转动的锁止机构，锁止机构包括锁止推杆及锁止块，锁止推杆沿垂直于阀杆轴向滑移设置于阀体，锁止块固定设置于锁止推杆且跟随锁止推杆滑移设置，阀杆外周对应锁止块设置有锁定孔，锁定孔在球形阀芯隔断流道时位于锁止块滑移轨迹上。采用上述方案，提供一种在流道处于关闭状态下无法直接通过驱动装置来开启流道，从而防止失误操发生的锻钢固定球阀。

Structural improvement of liquid magnetizer

一种放疗防护头罩

本实用新型公开了一种放疗防护头罩，包括头套本体，头套本体前端面安装有话筒，头套本体侧端面设置有扬声器，头套本体左端连接有出气管，头套本体右端连接有第一进气管，第一进气管上安装有第一调节阀，第一进气管右端连接有混合室，混合室内部固定有储水盒，储水盒内部安装有超声波雾化器，混合室上端设置有连接管，连接管上安装有第二调节阀，连接管上端安装有氧气罐，混合室右端焊接有第二进气管，第二进气管和混合室连接处安装有过滤网，头套本体后端安装有拉链。本实用新型结构简单，操作方便，不仅便于患者与医生进行沟通，提高医生的工作效率，而且便于气体进入到头套本体内，供患者呼吸，为患者提供充足的氧气。

Traditional chinese medicine formula for preventing ecological breeding diseases of soft-shelled turtles and preparation method and use method thereof

Improved structure of massage device

可調節進水壓力之微氣泡產生裝置

本創作之可調節進水壓力之微氣泡產生裝置，其具有一T型接頭連接一自來水管、一浴缸水管及一輸送水管，一平衡閥裝設於該輸送水管，一裝設單向閥門及電磁閥門之進氣管連接該輸送水管，一馬達連接一壓力筒及該輸送水管，該壓力筒裝設一壓力開關，該壓力開關訊號連接該電磁閥門，一出水管連接該壓力筒；透過該平衡閥之裝設，以調節因用水需求不同所引起之水壓變化，使水壓之壓力變動趨定，令微氣泡之產生效果不受水壓變化的影響。

Manually operated stamper

造型衣

Charging method, charging apparatus, electronic device and computer program product

The present application relates to a charging method, a charging apparatus, electronic device and a computer program product. The method includes obtaining a power requirement at current moment; adjusting a power supply strategy of a photovoltaic assembly according to the power requirement to meet the power requirement at current moment, and determining whether there is a charging requirement in the power requirement at current moment, if there is a charging requirement at current moment, charging the vehicle with a photovoltaic electric energy; if not, storing the photovoltaic electric energy in a battery and/or adjusting the photovoltaic electric energy according to power grid parameters and transmitting to a power grid. Therefore, the power supply strategy of the photovoltaic assembly can be flexibly adjusted, taking full use of the photovoltaic electric energy generated by the photovoltaic assembly, reducing the idle of the photovoltaic electric energy, reducing the energy waste, and meeting the power requirement at different times.

Improved structure of massager

Linear array scanning brillouin scattering elastic imaging device

Disclosed is a linear array scanning Brillouin scattering elastic imaging device. In the device, a signal generating system consists of a narrow linewidth continuous wave laser, a half-wave plate, a beam expander, a Y-direction scanning galvanometer, a microlens array, a pinhole array filter, a first plano-convex lens, a polarization beam splitter, a quarter-wave plate and a microscope objective. A signal receiving system consists of a microscope objective, a quarter-wave plate, a polarization beam splitter and an eight-channel optical collimator array. Each channel of an eight-channel spectrometer consists of an optical collimator, a convex lens, a scanning Fabry-Perot interferometer, a photomultiplier tube and an eight-channel photon collection card.

轉接座結構

Display device

A display device is provided. The display device includes a display panel and a light modulation portion which are stacked. The light modulation portion includes a first substrate, a refractive index variable material layer, a light modulation microstructure, an electrode layer and a second substrate which are stacked, and the refractive index variable material layer, the light modulation microstructure and the electrode layer are all located between the first substrate and the second substrate; the electrode layer includes at least one electrode layer, the at least one electrode layer includes electrodes located in a same layer and separated from each other, and the light modulation microstructure and the electrode layer are located at both sides of the refractive index variable material layer respectively, or both the light modulation microstructure and the electrode layer are located at a same side of the refractive index variable material layer.

Ｐｌ轉接結構

Coil component and power supply apparatus including the same

A coil component includes a first coil part including a multilayer substrate on which a conductor pattern is formed, a second coil part formed as a wire and stacked together with the first coil part, a core coupled to the first and second coil parts while penetrating through the first and second coil parts to thereby be electromagnetically coupled to the first and second coil parts, and a pressing member interposed between the core and the second coil part to allow the first and second coil parts to closely adhere to each other.

Coil component and power supply apparatus including the same

A coil component includes a first coil part including a multilayer substrate on which a conductor pattern is formed, a second coil part formed as a wire and stacked together with the first coil part, a core coupled to the first and second coil parts while penetrating through the first and second coil parts to thereby be electromagnetically coupled to the first and second coil parts, and a pressing member interposed between the core and the second coil part to allow the first and second coil parts to closely adhere to each other.