113results about How to "Realize multiplexing" patented technology

The invention discloses an external bias pixel structure of a light receiving stage circuit in a dynamic vision sensor pixel. The external bias pixel structure comprises a photodiode, a logarithmic tube, an amplifier tube, a switch tube and a bias tube, the bias tube, the switch tube and the amplifier tube are sequentially connected in series, a source electrode of the bias tube is connected with a power supply, a drain electrode of the bias tube is connected with a drain electrode of the switch tube, a source electrode of the switch tube is connected with a drain electrode of the amplifier tube, and a source electrode of the amplifier tube is grounded; the grid electrode of the bias tube is in signal connection with Vbias, the grid electrode of the switch tube is in signal connection with Vcpr, the source electrode of the switch tube and the drain electrode of the amplifier tube are connected with the grid electrode of the logarithmic tube, the drain electrode of the logarithmic tube is connected with a power supply, the source electrode of the logarithmic tube is connected with the negative electrode of the photodiode, and the positive electrode of the photodiode is grounded. And a grid electrode of the amplifier tube is also connected between the source electrode of the logarithmic tube and the negative electrode of the photodiode.

The invention relates to the field of manufacturing industry digitization and industrial internet, in particular to a universal cross-industry digital base and a design method thereof.The digital base comprises a physical model layer, a cost element layer, a plug-in / matrix type extension framework, an event / item management module and a cross-system interface module, the method comprises the following steps: abstracting core elements of multiple industries based on a product structure, a process principle, material object circulation and spatial-temporal variation to form a data structure and an association relationship of a bottom layer, defining cost fields on the basis of a physical model layer, determining a trigger condition and a calculation method for updating each cost field, and calculating the cost field; a matrix type assembly strategy and an API (Application Program Interface) or a data bus are set in the digital base, and by configuring a mapping relation in a cross-system interface module, the base can take effect and realize cross-system data sharing, and the digital base can support various industries such as mechanical manufacturing, injection molding, clothing, cables and agriculture on the same digital base, and reduces multiple sets of systems and repeated construction.

The invention provides a frequency stabilization device and method for any detuning frequency of a laser. The frequency stabilization device comprises a pumping laser atomic resonance point frequency stabilization structure, a cavity length locking structure of an optical resonant cavity and a frequency stabilization structure for detecting any detuning frequency of the laser. The frequency of the pumping laser is stabilized at an atomic resonance point through a saturated absorption frequency stabilization method, and then the cavity length of an optical resonant cavity is locked by taking the frequency-stabilized pumping light as a reference. Two modulation signals with different frequencies are superposed by adopting Bias Tee, biphase modulation is applied to detection laser through an electro-optic phase modulator, a stable error signal is demodulated while a modulation sideband is generated, then a first-order sideband is locked on a longitudinal mode, close to an optimal detuning point, of an optical resonant cavity, and a second-order sideband is locked on a longitudinal mode, close to the optimal detuning point, of the optical resonant cavity. Continuous frequency tuning in the laser frequency stabilization process is detected by adjusting the first-order sideband frequency. According to the invention, the size and the cost are reduced.

The invention provides an audit problem and rectification measure classification method and system based on a neural network model. The method comprises the following steps: obtaining a problem description field, marking a text, loading a pre-trained BERT model, and matching to a problem first-level classification standard; a keyword matching technology is introduced to be combined with a BERT model to realize a final-stage classification standard of the problem; obtaining a problem classification field, matching rectification measure classification according to the problem classification, and formulating rectification measures; and obtaining a rectification measure description field, realizing a rectification measure classification standard, and updating a rectification measure classification weight corresponding to the problem classification. According to the method, auditing personnel can be helped to judge auditing problem classification more accurately and quickly, common rectification measure types can be recommended according to description of rectification problems, and the auditing work efficiency is improved.

The invention discloses an edge device program software development method and system, an edge device and a storage medium, and the method comprises the steps: extracting a model parameter file used for describing a target AI model, and obtaining model metadata of the target AI model; searching a target application program source code of the user according to the configuration file; generating a file directory of the target application program according to a directory generation rule in a preset project template file, and copying the source code of the target application program, the model parameter file, the model metadata and the general file at a preset position in the directory to obtain a target file; and according to the target file and the configuration file, compiling to obtain a target program file executable by the edge device. Therefore, through the disassembly of each business process, the decoupling of the program software to be developed and the specific hardware structure is realized, and meanwhile, the system environment configuration required by a user is simplified, so that the user can apply more energy to software development, and the software development efficiency is improved.

The utility model provides a surgical robot positioning system verification device and a marking assembly, the surgical robot positioning system verification device is used for clamping the marking assembly with different forms of nail caps, and the surgical robot positioning system verification device comprises a hand-held handle and a fixed head; the fixing head is provided with a containing groove with an opening in the side face, and the containing groove is used for containing a nail cap of the marking assembly. The top end of the fixing head is provided with a containing hole with an opening in the side face, and the containing hole is used for containing a clamping rod of the marking assembly. The shapes of the clamping rods of the marking assemblies of the nail caps of different shapes are the same. According to the surgical robot positioning system verification device, all the marking assemblies with the clamping rods can be clamped, so that reuse of the surgical robot positioning system verification device is achieved to replace various wrenches, auxiliary equipment of the marking assemblies is greatly reduced, and the use process is greatly simplified.

The invention discloses a thread data reading and writing-back method and device, equipment and a storage medium, and relates to the field of data read-write, and the method comprises the following steps: marking a plurality of operands based on operand types of the operands in a current branch thread to obtain a plurality of corresponding marked operands; if a reading request is received, determining whether an operand corresponding to the request is marked as a reusable operand or not; if yes, reading cache data corresponding to the operand from a preset cache; if not, reading target data corresponding to the operand, and storing the target data to a preset cache; if the write-back request is received, determining whether an operand corresponding to the request is marked as a reusable operand or not; if yes, the requests are added to a local cache queue, and merging and data writing-back are carried out based on the requests in the queue when the queue is full; and if not, writing the data corresponding to the operand into the target register. Therefore, the read-write efficiency of the data can be improved.

This invention belongs to the field of blockchain technology, specifically relating to a semantic identifier blockchain retrieval method and system for large-scale distributed data. This invention designs a unified semantic identifier model, mapping data records from different sources and in different formats to multi-level scalable semantic paths. It constructs a MIR tree forest, integrating the organization of Trie and the verifiability of Merkle, with each scenario as the root. Only the root hash of each scenario or its aggregate root is maintained in the block header, thereby achieving overall constraint on the state of large-scale off-chain semantic indexes while maintaining lightweight on-chain storage overhead. Simultaneously, this invention designs corresponding index traversal and verification object construction mechanisms around various semantic retrieval modes, enabling clients to verify the correctness of target records with only limited path and node hash information. This provides a new technical path for unified semantic management and efficient verifiable retrieval of multi-source heterogeneous data in the HSB environment.

The present application relates to the field of automobile diagnosis technology, and in particular to an automobile fault diagnosis system and method, including a control module, which includes: a main control unit for controlling the operation of the entire diagnosis system; a communication unit for connecting to a faulty vehicle and receiving a control signal to perform fault diagnosis; an operation unit for running vehicle diagnostic software; a memory unit for loading vehicle diagnostic software and providing memory resources required by vehicle diagnostic software applications; a hardware abstraction layer interface for abstracting the hardware of the diagnostic system into a universal configuration interface; the main control unit includes: a storage device interface for connecting the storage device to the diagnostic system; the communication unit includes: a communication interface circuit for the diagnostic system to perform communication protocol data interaction with different vehicle ECUs; the operation unit includes: an STD communication protocol abstraction layer interface for establishing and defining the format of the ECU diagnostic configuration file. The present application supports cross-platform operation of multiple vehicle diagnostic software on embedded devices.

The invention relates to the technical field of SFP light source data detection, in particular to a sending and receiving return detection integrated system for multiple SFP light sources, which comprises a main control unit, an SFP optical module control unit and an ROSA device return signal measurement unit, the SFP optical module control unit comprises a multi-way switch chip U16, an indicating lamp module and a plurality of SFP optical module interfaces; the indicating lamp module and the plurality of SFP optical module interfaces are respectively connected with the multi-way switch chip U16; and the indicating lamp module is used for indicating the working states of the plurality of optical modules. According to the invention, the design is ingenious, the sending control of a plurality of SFP optical modules and the detection of received data return signals are realized, and the stability and reliability of data transmission are ensured; by integrating an ROSA device return signal measurement unit, the circuit can monitor the quality of a data return signal in real time, and powerful support is provided for network optimization and maintenance.

The application provides a microwave energy receiving system of a spatial solar power station of a multiplex ground photovoltaic power station, which comprises a photovoltaic power station basic unit, an energy receiving and converting unit, a grid-connected energy management unit and a power generation mode switching unit; the energy receiving and converting unit is arranged based on the photovoltaic power station basic unit; the energy receiving and converting unit comprises a receiving panel, a photovoltaic assembly and a microwave assembly; the photovoltaic assembly and the microwave assembly are arranged on the receiving panel; the output end of the photovoltaic assembly and the output end of the microwave assembly are connected in parallel to a bus line to form a photovoltaic output loop and a microwave rectification loop; the bus line is connected to the grid-connected energy management unit; the grid-connected energy management unit is connected to an energy storage device and / or a power grid; and the power generation mode switching unit is connected to the energy receiving and converting unit to control the energy receiving and converting unit to switch between a photovoltaic power generation mode and a microwave receiving mode. The application is arranged based on the photovoltaic power station, and the structural complexity and construction cost of the system are reduced.

The invention relates to the technical field of integrated circuits, in particular to a laser radar receiving front-end circuit, an optical circuit and a chip, the circuit comprises a total input end, a total output end, an input module, an intermediate module and an output module, the input module comprises a first input end, a first output end, a first power connection end and a first grounding end; the intermediate module comprises a second input end, a second output end, a second power connection end and a second grounding end; the output module comprises a third input end, a third output end, a third power connection end and a third grounding end; the first input end is electrically connected with the total input end, the first output end is electrically connected with the second input end, the first power connection end is electrically connected with the second grounding end, and the first grounding end is grounded; the second output end is electrically connected with the third input end, and the second grounding end is electrically connected with the third grounding end; the third output end is electrically connected with the total output end, and the third power connection end is connected with a power supply. The circuit is low in power consumption and high in current efficiency.

The invention relates to the technical field of power electronics, and discloses a circuit for direct current to direct current conversion, a control method, a voltage source and a chip, and the circuit comprises a power inductor which is used for storing and releasing energy in the process of direct current to direct current conversion; the current acquisition circuit is connected in series with the power inductor; the first metal oxide semiconductor field effect transistor is connected in series with the current acquisition circuit; one end of the first combination tube is connected with the current acquisition circuit in series, the other end of the first combination tube is connected with one end of the first capacitor, and the other end of the first capacitor is connected with the first output end; one end of the second combination tube is connected with the current acquisition circuit in series, the other end of the second combination tube is connected with one end of the second capacitor, and the other end of the second capacitor is connected with the second output end; and the control circuit is connected with the current acquisition circuit, the first metal oxide semiconductor field effect transistor, the first combination tube and the second combination tube.

This utility model discloses a staged purification device for electrolytic hydrogen production, including a purification tank. The purification tank contains a first cylinder and a second cylinder. Several dehydration units are arranged sequentially from bottom to top within the internal region of the first cylinder. A catalytic deoxygenation unit is arranged between two adjacent dehydration units in the region between the first and second cylinders. A heating device is arranged in the region between the second cylinder and the purification tank. An air inlet is located at the bottom of the purification tank. Several first connecting ports and several second connecting ports are provided on the wall of the first cylinder. The first connecting ports connect the catalytic deoxygenation unit to the dehydration unit below it, and the second connecting ports connect the catalytic deoxygenation unit to the dehydration unit above it. A dual-outlet air pipe is located at the top of the purification tank. This utility model can perform multi-stage continuous deoxygenation and dehydration treatment on hydrogen, effectively removing oxygen and water vapor mixed in with the hydrogen, thereby ensuring the purity of the final output hydrogen.

The present disclosure is about a data transmission method and device, a computer program product, and an electronic device, and relates to the field of computer technology. The method includes: obtaining the data size of the data to be transmitted, assigning the reserved bits in the first protocol to obtain the third protocol according to the data size, and assigning the reserved bits in the second protocol to obtain the fourth protocol; determining the traffic type corresponding to the data to be transmitted according to the data size, and setting the display congestion notification value according to the traffic type; sending the connection request corresponding to the data to be transmitted and the display congestion notification value to the switch based on the third protocol and the fourth protocol, so that the switch modifies the display congestion notification value according to the third protocol and the fourth protocol to obtain the target display congestion notification value; receiving the target display congestion notification value, and adjusting the transmission rate of the data to be transmitted according to the target display congestion notification value. The present disclosure reduces the data transmission delay.

The invention provides a game skill generation method and device, a computer storage medium and electronic equipment, and relates to the technical field of games. Comprising the steps that in response to a first game match start instruction, a first game scene corresponding to a first game map is displayed, and the first game scene comprises a controlled virtual object corresponding to a first game account; responding to the controlled virtual object to complete the first game match, and according to a first virtual item obtained from the first game scene, controlling to open the permission of entering a second game map; in response to a start instruction of a second game match, displaying a second game scene corresponding to a second game map, and newly adding a first game skill for the controlled virtual object; and in response to the controlled virtual object, playing the first game skill in the second game scene, and presenting a game effect corresponding to the first game skill. The depth of the game playing method is expanded, and the novelty and the playing durability of the game are improved.

The invention provides a second-order noise shaping SAR ADC circuit and electronic equipment, and the circuit comprises a sampling and quantification module which is used for completing the sampling and quantification of an input signal of an nth conversion period when being controlled by a time sequence, and outputting a digital code and a residual signal; the integral amplifier is connected with the sampling quantization module and is used for accessing the residual signal under the control of a first time sequence signal, integrating the residual signal and storing an integration result in a group of feedback capacitors of the integral amplifier; and the integral amplifier is also used for accessing the voltage stored on the group of feedback capacitors under the control of a second time sequence signal so as to carry out secondary integration, and the output end of the integral amplifier is connected to the input coupling node of the sampling quantization module so as to provide correction voltage participating in the quantization process of the (n + 1) th conversion period. According to the invention, high energy efficiency and high-order noise shaping capability can be considered at the same time.

The application discloses an applied far-field voice wake-up method and system, a terminal and a storage medium. The method comprises the following steps: when it is detected that a user issues an application wake-up instruction, obtaining recording data collected by a target device according to the application wake-up instruction, and performing enhanced noise reduction processing on the recording data to obtain target recording data; confirming the type of the target device to obtain device type information, and performing architecture decision evaluation according to the device type information to obtain a target wake-up architecture; performing data processing on the target recording data according to the target wake-up architecture to obtain an application wake-up signal, and waking up a corresponding voice application according to the application wake-up signal. The application can quickly evaluate the best wake-up support structure by introducing a decision module, and realizes the reuse of a wake-up algorithm module by customizing a unified general interface.

This application relates to the field of rail transit technology, and in particular to a software and hardware development method and system for an inspection robot. The method includes: based on user-inputted task scenario requirements, calling multiple 3D hardware models from a physical modular hardware library to obtain a 3D simulation robot corresponding to the task requirements; based on the 3D simulation robot, the task scenario requirements, and the physical attributes of each 3D hardware model in the 3D simulation robot, calling multiple standard functional nodes from a pre-established node library to construct a task logic flowchart; and based on the task logic flowchart, performing operational simulation and logic verification on the 3D simulation robot to obtain a task execution strategy; and based on the task execution strategy, compiling and packaging the task logic flowchart to obtain executable code for the user to drive the physical robot to perform operations. This significantly improves the development efficiency of inspection robots while lowering the development threshold.

The invention provides a light guide beam and main beam quick connecting structure for a large-span steel box girder bridge, and belongs to the field of bridge engineering. The device comprises a steel box main beam and a light guide beam, a transverse supporting plate and a longitudinal supporting plate are arranged in the steel box main beam, the light guide beam comprises two I-shaped main beams and a middle connecting frame, and a plurality of lock sleeves located on the outer side of the steel box main beam are fixedly installed on the transverse supporting plate. The ends, close to the steel box main beam, of the two I-shaped main beams are each provided with a quick positioning and locking mechanism, the quick positioning and locking mechanisms are used for being matched with a lock sleeve to achieve fixed connection of the steel box main beam and the light guide beam, and the lock sleeve is provided with a plurality of L-shaped lock openings which are rotationally and symmetrically distributed. And the quick positioning and locking mechanism comprises a plurality of rotatable rotating sleeves. The light guide beam and main beam quick connecting structure for the large-span steel box girder bridge has the advantages of being accurate in positioning, efficient in connection and reliable in locking.

A programmable 3D beam shaping device based on beamlet printing technology, comprising a laser source, the laser source emits initial laser, the initial laser adjusts the polarization state through a rotatable half-wave plate, and then is separated into orthogonal s component beam and p component beam through a first polarization beam splitter prism; the p component beam is expanded and then enters a Dammann grating to generate a diffraction beam containing several diffraction orders; the diffraction beam passes through a second polarization beam splitter prism, a quarter-wave plate and a first focusing element in turn, introduces focal shift by a multi-stage phase plate array, adjusts the angle and position offset of the sub-group of the sub-beam array beam by a spatial light modulator to generate a working beam, the working beam returns to the second polarization beam splitter prism from the original light path and is emitted into a working area by a second focusing element, generating a three-dimensional light field; the device can accurately control the three-dimensional irradiance distribution in the processing area, thereby realizing multi-level and depth-adjustable energy deposition, and significantly improving the quality, efficiency and consistency of processing.

The invention provides a small-opening distance light and signal lamp module system. A distance light source module, a distance light main light type total reflection module, a distance light auxiliary light type total reflection module, a distance light incident lens module and a distance light emergent lens module are arranged on a distance light lens body; the high-beam module main body is provided with a high-beam light source module, a high-beam main light type total reflection module, a high-beam light inlet lens module and a high-beam light outlet lens module; the signal lamp module body is provided with a signal lamp light source module, a signal lamp main light type total reflection module, a signal lamp light inlet lens module and a signal lamp light outlet lens module. The modular design is adopted, all the modules can be made into the same size, the number of the modules is designed according to different performance requirements, and horizontal arrangement, vertical arrangement or tree shape and the like can be achieved.

The utility model is suitable for resistance electric pile structure technical field provides a kind of high insulation resistance electric pile structure suitable for multiple liquid flow system, including two same battery module and symmetry combination together, each battery module is by positive pole liquid inlet pipeline, positive pole liquid outlet pipeline, negative pole liquid inlet pipeline, negative pole liquid outlet pipeline, metal end plate, insulating plate, copper plate, water nozzle multi-in-one assembly, one or more middle multi-in-one assembly, zoning multi-in-one assembly are formed, water nozzle assembly, middle assembly and zoning assembly are all by multiple single battery and are sealed combination together by laser welding or hot melt film process, form the entire electric pile by locking two battery modules, corrosion-resistant CPVC material is used to core flow channel and pipeline, and key sealing uses rubber ring, so that the electric pile structure can be widely used in vanadium, iron-chromium, iron, etc. Many active substances and the liquid flow battery system of acidity and alkalinity provides the universal electric pile platform for different technical road liquid flow battery.

The present invention discloses a method, device, electronic device and storage medium for processing application code, and relates to the field of computer technology. A specific implementation of the method includes: in response to an upload request, obtaining a reuse code, a reuse code identifier and a version identifier in the upload request, storing the reuse code to a preset storage address, generating and storing basic information of the reuse code based on the storage address, the reuse code identifier and the version identifier; in response to a query request sent by a first terminal, obtaining the reuse code identifier in the query request, querying the corresponding basic information and sending it to the first terminal, so that the first terminal can build an application based on the received basic information. This implementation can solve the problem of being unable to reuse code, resulting in low application access efficiency.

This application provides a power module including a transformer and a rectifier circuit. The transformer includes a magnetic core and windings. The rectifier circuit is electrically connected to the windings. The magnetic core further includes: a first cover plate; a second cover plate disposed opposite to the first cover plate; a first magnetic post; and a second magnetic post with a magnetic flux direction opposite to that of the first magnetic post. The first and second magnetic posts are connected between the first and second cover plates. The windings further include: a first winding wound on the first magnetic post; and a second winding wound on the second magnetic post, wherein the first and second windings have a shared winding portion, at least a portion of which is located between the first and second magnetic posts. The rectifier circuit further includes: a plurality of rectifier components, including a first rectifier component, a second rectifier component, a third rectifier component, and a fourth rectifier component electrically connected to form a full-bridge rectifier circuit.

This invention discloses a flexible, inertial wave energy harvesting device, comprising a floating assembly and a flexible, inertial energy harvesting unit. The flexible, inertial energy harvesting unit includes a fixed plate, vertically positioned along the Z-axis. A one-way bearing is mounted on the surface of the fixed plate. Based on the one-way bearing, two fixed pulleys are positioned downwards along the Z-axis. A rotating shaft is mounted on the one-way bearing. A chain is fitted onto the one-way bearing, with the first end of the chain connected to the end of a steel wire rope, and the end of the chain hooked to the first end of a spring. The chain engages with a sprocket. The end of the spring is fixed to the fixed plate. The steel wire rope of the flexible traction component passes sequentially around the two fixed pulleys and connects to an eccentric mass block located below the two fixed pulleys along the Z-axis. The one-way bearing is connected to a gear set. This invention improves the wave energy capture efficiency, environmental adaptability, and operational stability of the device.

The utility model provides a universal serial bus (USB) interface multiplexing circuit, which comprises a USB physical interface, a double-pole-double-throw switch connected with the USB physical interface and a main control chip connected with the double-pole-double-throw switch, and is characterized in that the USB physical interface comprises a power supply port, a grounding port and two paths of data ports, the double-pole double-throw switch comprises two paths of data input ports, four paths of data output ports, a switch enabling port and a switch control port, and the two paths of data input ports of the double-pole double-throw switch are respectively connected with the two paths of data ports of the USB physical interface; the four data output ports of the double-pole-double-throw switch comprise two USB data ports and two UART data ports, and the switch selection port of the double-pole-double-throw switch is used for selecting the two data input ports of the double-pole-double-throw switch to be conducted with the two USB data ports or the two UART data ports. According to the USB interface multiplexing circuit provided by the utility model, UART (Universal Asynchronous Receiver / Transmitter) communication also can be carried out on the USB interface.

This application discloses a method, apparatus, device, and medium for transferring a perception model, which facilitates the transfer from the source domain to the target domain in point cloud perception tasks, enables the reuse of point cloud data from the original perception model, and improves the generalization ability of the perception model for different application scenarios. The method for transferring a perception model provided in this application includes: transferring the point cloud data of the original perception model to the target perception model according to the application scenario information of the target perception model obtained, thereby obtaining a truth database of the target perception model, wherein the truth database includes point cloud and label information of the perceived target; and training the model based on the truth database of the target perception model to obtain the target perception model.