抱枕（向阳小桃）

Image cutting method and device applied to industrial quality inspection

The invention relates to the technical field of industrial quality inspection, and provides an image cutting method and device applied to industrial quality inspection, and the method comprises the steps: obtaining an annotation data set comprising a plurality of groups of annotation data, each group of annotation data comprising a defect annotation image and a corresponding defect annotation file; creating a process pool comprising a plurality of processes; processing the read annotation data through all processes according to an image cutting strategy to obtain a sub-image list corresponding to each defect annotation image; creating a thread pool in each process; and performing image cutting processing on the defect annotation image according to all the sub-image annotation files through the thread so as to obtain a sub-image corresponding to each sub-image annotation file. Therefore, the original characteristics of the real defect forms are effectively guaranteed, the phenomena that ...

EXOSKELETON FINGER REHABILITATION TRAINING DEVICE

An exoskeleton finger rehabilitation training device, comprising a housing (1) and a first motor (2) and a second motor (3) that are disposed in the housing (1). The direction of the output shaft of the first motor (2) is opposite to that of the output shaft of the second motor (3); a first motor gear (4) is provided on the output shaft of the first motor (2), and a first transmission gear (5) is engageably connected to the right side of the first motor gear (4); an index finger sleeve (6) and a middle finger sleeve (7) axially arranged are connected to the edge of the first transmission gear (5); a second motor gear (8) is provided on the output shaft of the second motor (3), and a second transmission gear (9) is engageably connected to the right side of the second motor gear (8); a little finger sleeve (10) and a ring finger sleeve (11) axially arranged are sequentially connected to the edge of the second transmission gear (9); a thumb sleeve (14) is also provided on a support base. The ...

KNEADING AND VIBRATING MASSAGE MACHINE CORE STRUCTURE

Disclosed is a kneading and vibrating massage machine core structure, comprising a machine core body, an electric motor assembled on the machine core body, a transmission assembly, a kneading mechanism and a vibration mechanism. An output shaft of the electric motor drives the kneading mechanism via the transmission assembly, and the output shaft of the electric motor also drives the vibration mechanism. According to the invention, the kneading mechanism and the vibration mechanism are combined so that a massage head can vibrate while performing kneading-type massage, thereby enriching massage modes of the massage machine and achieving a better massage effect.

Open set radiation source individual identification method based on adaptive threshold

The invention discloses an open-set radiation source individual identification method based on a self-adaptive threshold value, which comprises the following steps of: firstly, based on a known data set of a radiation source, acquiring a pre-training model through deep metric learning, using the pre-training model as a feature extractor, processing the data set of the radiation source by using the feature extractor, and establishing a radiation source feature representation library; calculating an initial dynamic threshold value and a self-adaptive threshold value adjusting function for adjusting the dynamic threshold value, adjusting the dynamic threshold value in real time according to the self-adaptive threshold value adjusting function to obtain the self-adaptive threshold value, judging whether the test set is a known radiation source or an unknown radiation source according to the self-adaptive threshold value adjusting function, and finally identifying the radiation source according ...

Catalytic tower based on temperature runaway control and control method thereof

According to the catalytic tower based on temperature runaway control and the control method of the catalytic tower, an in-barrel temperature sensor of the catalytic tower is used for detecting the temperature in a barrel body, an out-barrel temperature sensor is used for detecting the temperature outside the barrel body, and the in-barrel temperature sensor, the out-barrel temperature sensor and a heater are all connected with a controller for an SF6 decomposition and adsorption device; the upper flange is connected with the upper end of the barrel body, the upper flange cover is arranged above the upper flange, the lower flange is connected with the lower end of the barrel body, the lower flange cover is arranged below the lower flange, the lower flange is provided with a first through hole, and the material seat is arranged above the lower flange; the heater is arranged on the outer side of the barrel body; the lower flange cover is provided with an air supply outlet, an annular ventilation ...

Cell capacity expansion method and device and computer readable storage medium

The invention provides a cell capacity expansion method and device and a computer readable storage medium, relates to the technical field of communication, and can improve the utilization rate of wireless resources. The method comprises the steps that M first load parameters corresponding to N first cells are acquired, each first cell corresponds to at least one first load parameter, each first load parameter is used for representing the load condition of the corresponding first cell in a time period, N is a positive integer, and M is a positive integer larger than or equal to N; according to the M first load parameters, L second cells with second load parameters in the corresponding first load parameters are determined from the N first cells, the parameter values of the second load parameters are larger than or equal to a first preset threshold, and L is a positive integer smaller than or equal to N; and determining a target cell from the L second cells according to the second load parameters ...

System for acquiring electrocardiogram ST segment information by photographing electrocardiogram

The invention discloses a system for obtaining electrocardiogram ST segment information by taking an electrocardiogram. The system comprises an electrocardiogram image reading module, an ST segment abnormity diagnosis module and an Android mobile phone APP function module. The electrocardiogram image reading module is used for quickly positioning and extracting an electrocardiogram area from an electrocardiogram report shot by a mobile phone by using a YOLOv5 target detection model to obtain an electrocardiogram image without redundant information; the ST segment anomaly diagnosis module judges whether the ST segment is lowered or raised by using a convolutional neural network and an ST segment intelligent diagnosis algorithm; the Android mobile phone APP function module is provided with an image selection module and a result feedback module, the image selection module is used for selecting pictures through a mobile phone camera or a built-in photo album of a mobile phone, and a user is ...

NECK AND SHOULDER MASSAGING MECHANISM

A neck and shoulder massaging mechanism comprises: a housing (1), a neck massaging assembly (4), a shoulder massaging assembly (5), an eccentric assembly (6), a connection assembly (7), and a rotating shaft (3) driven by a motor (2) to rotate. The eccentric assembly (6) is disposed on the rotating shaft (3). The neck massaging assembly (4) is sleeved on the eccentric assembly (6), and the eccentric assembly (6) is linked to the neck massaging assembly (4) to perform an eccentric oscillating movement. One end of the neck massaging assembly (4) is an eccentric oscillating end, and one end of the shoulder massaging assembly (5) is an oscillating end. A middle portion of the shoulder massaging assembly (5) is fixed to the housing (1). The connection assembly (7) comprises a first spherical cavity (71) disposed at one side of the neck massaging assembly (4); a ball connecting rod (73) having two ends respectively provided with a spherical member (731); and a second spherical cavity (72) disposed ...

PDIN ALLOY CATALYST, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

The present invention provides a PdIn alloy catalyst. The PdIn alloy catalyst comprises a carrier and metal Pd loaded on the carrier. The carrier is a nitrogen-doped porous carbon composite material having a plurality of pore channels. The nitrogen-doped porous carbon composite material comprises a nitrogen-doped porous carbon material, indium oxide, and metal In which is exposed by the pore channels. The indium oxide is uniformly distributed in the nitrogen-doped porous carbon material, and corners of the metal Pd are selectively occupied by metal In. The present invention further provides a preparation method for the PdIn alloy catalyst and application thereof.

ONE-WAY SELF-LOCKING DEVICE FOR MASSAGER

A one-way self-locking device for a massager comprises a transmission shaft (1), a shaft sleeve (2), a torsional spring (3), and a big belt wheel (4). The transmission shaft (1) is rotatably mounted in a housing (5) of the massager. The big belt wheel (4) is rotatably sleeved on the transmission shaft (1), and the big belt wheel (4) is drive by a power mechanism (6) to drive the transmission shaft (1) to circumferentially rotate. The transmission shaft (1) drives, by means of a deflection component (7), a massage component (8) to work. The shaft sleeve (2) is fixedly mounted on the transmission shaft (1). The torsional spring (3) is sleeved on the shaft sleeve (2). The torsional spring (3) consists of a main body portion (31) and a first connecting portion (32) and a second connecting portion (33) that are disposed on the two sides of the main body portion (31). The first connecting portion (32) of the torsional spring (3) is in a lapped connection with the shaft sleeve (2) and is in interference ...

CYBER ARM-BASED TELEOPERATION SYSTEM FOR SPACE STATION ROBOT

A cyber arm-based teleoperation system for a space station robot, comprising: an arm joint movement measurement device, a data acquisition device, a data communication device and a PC terminal. The arm joint movement measurement device is composed of three groups of independent MEMS sensor modules. The data acquisition device is composed of a minimum microprocessor system, and is used for reading and converting data transmitted from the arm joint movement measurement device. The data communication device receives data of the data acquisition device by means of a serial port, and sends same to the PC terminal by means of Bluetooth. The PC terminal comprises a data display module, an arm movement resolving module, a robot movement inverse resolving module and a virtual scene rendering module. The present invention is able to acquire, during the movement of an operator's arm, euler angles of three joints, shoulder, elbow and wrist, send the data to the PC terminal by means of the data communication ...

CTCS (CHINA TRAIN CONTROL SYSTEM)-2 TRAIN OPERATION CONTROL SYSTEM

A CTCS (China Train Control System)-2 train operation control system comprises ground facilities and a vehicle-mounted apparatus, wherein the ground facilities include a temporary speed limit server(16), a train control center(11), a railway circuit(12), a ground electronic unit(13) and a transponder group(14); the temporary speed limit server(16) generates a temporary speed limit command; the train control center(11) generates carrier frequency and low frequency coded messages and active transponder messages according to rail zone state messages and the temporary speed limit command; the rail circuit(12)generates a modulation signal according to the coded messages, sends the modulation signal, generates and sends a rail zone state message; the ground electronic unit(13) sends the active transponder messages to the transponder group(14); the transponder group(14) sends a fixed transponder message and an active transponder message; and the vehicle-mounted apparatus includes a vehicle-mounted ...

Robot bone drilling tool lateral stress state detection device and use method

The invention discloses a lateral stress state detection device for a robot bone drilling cutter and a using method, the device comprises a linear driving mechanism and a cutter rotating motor, and the cutter rotating motor is driven by the linear driving mechanism; the drilling tool sequentially penetrates through a measuring shaft of the axial force sensor, a hollow output shaft of the tool rotating motor and a hollow hole of the axial force sensor from back to front, and the tool rotating motor can drive the drilling tool to rotate. The part, penetrating through the axial force sensor, of the drilling tool is sleeved with a lateral force transmission mechanism, the tail end of the lateral force transmission mechanism is fixed to the axial force sensor, and a restraining protrusion is arranged on the inner wall of the front end of the lateral force transmission mechanism. During use, the space coordinates of the tool rotating motor at the tail end of the mechanical arm are determined, ...

Method and device for determining cells in same sector and storage medium

The invention discloses a method and device for determining cells in the same sector and a storage medium, relates to the technical field of communication, and is used for accurately determining cells in the same sector. The method comprises the following steps: acquiring a plurality of measurement data of a target cell, wherein the measurement data comprises a signal parameter value of the target cell; determining the number of times of measurement of a first cell in the plurality of measurement data and a signal parameter value of the first cell, wherein the first cell is an adjacent cell of the target cell; and if the ratio of the number of times of measurement of the first cell to the number of times of measurement of the target cell is greater than a first threshold value and the correlation coefficient between the first cell and the target cell is greater than a second threshold value, determining that the first cell and the target cell are cells in the same sector, the correlation ...

MULTIFUNCTIONAL MASSAGER

A multifunctional massager comprises a machine core main body (1), and comprises a kneading massage head (2) and a swing arm (3) that are disposed on the machine core main body (1). The machine core main body (1) comprises a machine core box (11), a motor (12) disposed in the machine core box (11), and a first transmission assembly (13) and a second transmission assembly (14) that are driven by the motor (12). The first transmission assembly (13) drives the kneading massage head (2) to allow the kneading massage head (2) to rotate to implement kneading massage, and the second transmission assembly (14) drives the swing arm (3) to allow the swing arm (3) to swing left and right to implement beat massage.

Base station value evaluation method and device, electronic equipment and storage medium

The invention provides a base station value evaluation method and device, electronic equipment and a storage medium, relates to the field of network communication, and is used for improving the accuracy of base station value evaluation. The method comprises the following steps: acquiring communication data of a plurality of resident users of a target base station; based on the communication data of each resident user, determining a subdivided group to which each resident user belongs; the target base station corresponds to a plurality of subdivided groups; one subdivided group comprises a plurality of resident users with the same communication service type; based on the resident users included in each subdivided group, determining the value of each subdivided group; and determining the value of the target base station based on the value of each subdivided group.

Electrocardio form recognition method based on mixed amplitude sequence division network

The invention discloses an electrocardio form recognition method based on a mixed amplitude sequence division network, which comprises the following steps: after preprocessing a signal, constructing a sequence partition network and an absolute amplitude sequence partition network corresponding to a time sequence, respectively extracting 10 network features from the two networks as representations of signal form and amplitude level information, according to the method, the characteristics of the abnormal electrocardiograph are combined into mixed amplitude sequence division network characteristics, the characteristics are input into a machine learning classification algorithm to classify the electrocardiograph forms, accurate detection of the abnormal electrocardiograph is achieved, and a flexible morphological anomaly detection framework is provided for other physiological signals.

Multi-label multi-lead arrhythmia classification method based on fusion neural network

The invention discloses a multi-label multi-lead arrhythmia classification method based on a fusion neural network. The method comprises the specific steps that original electrocardiosignals are preprocessed and then input into an electrocardiograph local feature extraction module composed of a convolutional neural network, and local saliency feature extraction of the multi-lead electrocardiosignals is carried out; superficial electrocardiosignal features extracted by the convolutional neural network are input into an electrocardiosignal time sequence feature extraction module formed by a recurrent neural network for time sequence feature extraction of multi-lead electrocardiosignals. And the electrocardio local saliency features and the electrocardio time sequence features are fused to form electrocardio features for classification finally. And inputting the fused electrocardio characteristics into a linear classification layer, and outputting a multi-label category. And performing network ...

Cooling water secondary cooling system for long-interval tunnel freezing method construction

The invention discloses a long-interval tunnel freezing method construction cooling water secondary cooling system which comprises a medium-temperature clear water tank, a medium-temperature clear water pump, a high-lift clear water pump, a medium-temperature cooling tower used for cooling cooling water of a refrigerating unit loop and a cooling water secondary cooling refrigerator used for cooling part of primary cooling water in the medium-temperature clear water tank. The cooling water secondary cooling refrigerator provides secondary cooling water for the medium-temperature clear water tank mixing area through a pipeline, and the primary cooling water and the secondary cooling water are mixed in the medium-temperature clear water tank mixing area according to the specified flow ratio to form mixed cooling water. The medium-temperature clear water tank mixing area provides mixed cooling water for a refrigerating unit on a working surface through a pipeline; the device is particularly ...

Needle valve body seat surface runout measuring instrument

The invention provides a needle valve body seat surface run-out measuring instrument. The needle valve body seat surface run-out measuring instrument comprises a bearing seat, a fixing seat, a detection rod and a measuring meter. The fixing seat is detachably arranged on the bearing seat, and a containing hole is formed in the top face of the fixing seat. The detection rod is rotatably inserted into the needle valve body and comprises an operation section, a positioning section, a connection section and a detection head which are sequentially connected from top to bottom. The measuring meter is detachably arranged on the bearing seat, and a measuring head of the measuring meter abuts against the top face of the operation section. The detection head comprises a detection conical surface and an avoiding conical surface, the axis of the detection conical surface coincides with the axis of the detection rod, an included angle exists between the axis of the avoiding conical surface and the axis ...

Depression emotion detection method and device based on voice features

The invention provides a depressive emotion detection method based on voice features, and the method comprises the steps: collecting voice data of a plurality of individuals and corresponding depression index scale scores, and constructing a voice depression data set; carrying out pre-emphasis, framing windowing and endpoint detection processing on the collected voice signal in sequence; framing the preprocessed voice signal to obtain a plurality of frame segments, and calculating acoustic features and statistical features of each frame segment; inputting judgment results of the acoustic features and the depression scale into a long-short term memory network model, and training a voice depression state recognition model; an APP based on the Android system is established, data preprocessing, feature extraction and voice depression state recognition models are packaged and deployed to a back-end program of the Android system, and a depression state recognition system based on voice features ...

Respiratory disorder evaluation system and method based on non-contact electrocardio

The invention provides a respiratory disorder assessment system and method based on non-contact electrocardio. The system comprises a non-contact electrocardio acquisition device, a non-contact electrocardio signal quality assessment module, a respiratory signal low-frequency energy threshold judgment module and a non-contact electrocardio respiratory signal extraction and respiratory disorder assessment module. The system has the advantages that electrocardio and respiration coupling signals of a patient can be collected through a layer of clothes, and compared with a traditional contact type wet electrode measuring method, the non-contact type measuring method has the advantages that long-term monitoring can be achieved, and comfort is high; signal features can be extracted according to the characteristics of the non-contact electrocardiosignals, and the method has the advantage of being high in accuracy. According to the method, different respiratory signal extraction methods are used ...

Network equipment control method and device, electronic equipment and storage medium

The invention provides a network equipment control method and device, electronic equipment and a storage medium, relates to the technical field of communication, and is used for ensuring basic signal coverage and not influencing user access while reducing the energy consumption cost of a base station. The method comprises the following steps: determining a target area according to the coverage range of each network device; the target area is located in a common coverage range of the target number of network devices; the target number is greater than or equal to a preset threshold; obtaining the user number and the resource utilization rate of each network device in the target area, and determining a control strategy according to the user number and the resource utilization rate of each network device; the control strategy is used for controlling on or off of each network device in the plurality of network devices.

Beam coverage management method and device, network equipment and storage medium

The invention provides a beam coverage management method and device, network equipment and a storage medium, relates to the technical field of communication, and is used for improving the signal coverage quality of a cell. The method comprises the following steps: acquiring coverage demand information of a target cell; the coverage demand information is used for reflecting coverage scene types contained in the target cell and the number of the coverage scene types; under the condition that the target scene type exists in the coverage scene information, configuring a first carrier based on a first configuration strategy to enable the first carrier to cover the target scene type; configuring a second carrier based on a second configuration strategy, so that the second carrier covers a non-target scene type in the target cell; the first carrier and the second carrier have different frequency bands.

Atrial fibrosis simulation system based on electrophysiological model

The invention discloses an atrial fibrosis simulation system based on an electrophysiological model. The atrial fibrosis simulation system comprises a simulation object parameter setting module and a simulation and display module. The simulation object parameter setting module is used for setting parameters of an atrial cell electrophysiological model, an atrial two-dimensional tissue electrophysiological model and atrial fibrosis. And the simulation and display module is used for outputting related information of simulation, including action potential, an electrical conduction process, an original electrocardiosignal and a high-frequency electrocardiosignal after band-pass filtering. The method is used for auxiliary analysis of atrial fibrosis, can display related information of different atrial fibrosis conditions on multiple physical scales by modifying related parameters, is simple and convenient, and has important significance in diagnosis and treatment of atrial fibrosis.

Expansion pipe type casing hanger

The invention relates to an expansion pipe type casing hanger which comprises a casing assembly and an inner pipe assembly located in the casing assembly, the casing assembly comprises an expansion pipe with a reducing section, and the inner pipe assembly comprises an expansion cone used for expanding the reducing section to seal the casing assembly. A hanging structure used for hanging the sleeve assembly on the inner pipe assembly is arranged below the expansion cone between the sleeve assembly and the inner pipe assembly, the hanging structure comprises a convex key and an insertion groove used for being matched with the convex key in a hanging mode, one of the convex key and the insertion groove is arranged on the sleeve assembly, and the other one of the convex key and the insertion groove is arranged on the inner pipe assembly. The protruding key is provided with a stopping position matched with the inserting groove in a stopping mode in the axial direction of the sleeve assembly, ...

Premature ventricular beat detection method based on in-beat characteristic wavelet complex network

The invention discloses an intra-beat characteristic wavelet complex network-based ventricular premature beat detection method, which comprises the following steps of: firstly, carrying out denoising and QRS wave detection on an acquired electrocardiosignal through electrocardiosignal preprocessing, and carrying out cardiac beat segmentation on the preprocessed electrocardiosignal to obtain a cardiac beat signal; segmenting internal wavelets of a single cardiac beat and calculating features of each part; for the obtained feature sequence, a detrending method is adopted to eliminate regional differences of long-time-history electrocardiosignal features in different states, and tiny fluctuations are removed, so that the influence of the tiny fluctuations on subsequent sequence coding is eliminated; according to the method, coding is carried out by utilizing symbolic dynamics, an intra-beat characteristic wavelet complex network is constructed, network characteristic parameters of the complex ...

Sleep staging method and device based on brain connection characteristics and domain self-adaption

The invention discloses a sleep staging method and device based on brain connection characteristics and domain self-adaption. The device comprises a signal acquisition module, a sleep staging module and a local storage module. The signal acquisition module acquires multi-channel electroencephalogram signals. The sleep staging module comprises the following steps: 1, filtering and denoising an obtained signal, removing power frequency interference, and carrying out independent component analysis to remove artifacts; 2, extracting correlation characteristics based on discrete wavelet transform and synchronous likelihood, and calculating an energy ratio as a supplementary characteristic; 3, transforming the features by using a domain adaptive method, and reducing the difference between the database data and the collected data distribution; and 4, constructing a classification model, and predicting the sleep stage according to the transformed features. And the local storage module records the ...

System for obtaining electrocardio rhythm information by photographing electrocardiogram

The invention discloses a system for acquiring electrocardio rhythm information by photographing an electrocardiogram, and the system is characterized in that an electrocardio region extraction unit is responsible for acquiring a 12-lead paper electrocardiogram report photographed by a mobile phone camera, removing irrelevant additional information, and extracting an electrocardio region based on a target detection neural network; the image processing unit preprocesses the image by adopting algorithms such as image denoising, tilt correction, shadow removal and data enhancement; the electrocardiogram rhythm information acquisition and anomaly classification unit is used for acquiring electrocardiogram rhythm information based on a convolutional neural network and carrying out heart rhythm anomaly classification on the electrocardiogram rhythm information; and the Android mobile phone application program function unit is used for feeding back the electrocardiogram rhythm information classification ...

A manipulator grabbing device for producing big breadth photoconductor drum

... 本实用新型提供一种用于生产大幅面光导鼓的机械手抓取装置，包括活塞装置和抓手装置，其特征在于：所述活塞装置包括气缸、活塞杆、活塞，所述抓手装置包括第一支撑件、第一橡胶圈、第二支撑件、第二橡胶圈，所述活塞装置与抓手装置连接。传统技术中用气囊式抓手抓取大幅面光导鼓时容易造成气囊破裂，本实用新型依靠带有支撑件的橡胶圈和大幅面光导鼓之间的摩擦力来抓取大幅面光导鼓，避免了频繁地更换抓手装置，提高了生产效率与经济效益。 ...

A terminal processing apparatus for producing big breadth photoconductor drum

... 本实用新型提供一种用于生产大幅面光导鼓的末端处理装置，包括第一柱体、盖板以及第二柱体，其特征在于，第一柱体与第二柱体连接，盖板与第二柱体连接，所述第一柱体留有出液口，并在第一柱体四周嵌有毛刷，所述第二柱体留有排液口，所述第二柱体中空至排液口底部，所述盖板与第二柱体中空内径相同，所述第二柱体内设有圆形状的外部清洗口，所述外部清洗口安装有外部清洗装置，所述外部清洗装置凸出于第二柱体。采用此末端处理装置此种结构，简单实用，清洗彻底，且放置于外部清洗口内的外部清洗装置独特的缠绕方式，既可以防止缠绕绳掉落，又可以提高清洗效率，增加耐磨性，提高了生产效率与经济效益。 ...