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48results about How to "Improve inheritance" patented technology
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Software module for integration
ActiveUS7197742B2Improve logicImprove inheritanceProgram control using stored programsError detection/correctionSoftware engineeringIntegrated software
The present invention relates to a software module, and, especially, relates to a software module for integration having severe restriction on the available memory amount and the real-time operation, and provides a software module for integration having increased inheritance in software. This is a software module for integration, integrated as a software module within a device to control the device. The software module has a public module for updating a public data value, an intermediate module for converting the data value in a predetermined data format updated in the public module into a data value in a predetermined data format adaptable to a referencing side, and a referencing module for referencing the data value in a predetermined data format converted by the intermediate module. The publication and referencing process can be implemented among the modules.
Owner:FUJITSU GENERAL LTD
Method and device for measuring breakthrough pressure of porous medium material
ActiveCN102183448AMeet the measurement requirementsAdaptableEarth material testingPermeability/surface area analysisEngineeringPorous medium
The invention discloses a method and a device for measuring a breakthrough pressure of a porous medium material. The method comprises the following steps of: A, placing a saturated infiltration phase tested piece into a holder, and loading a confining stress to the tested piece; B, shutting off an upstream emptying valve, a downstream emptying valve and a backpressure emptying valve, and vacuumizing; C, when the device is in a stable vacuum state, making the device pass through an upstream non-infiltration phase injection system and a downstream infiltration phase injection system; and D, simultaneously performing test on the breakthrough pressure and the permeability coefficient. The holder is connected with a confining stress control valve through a pipeline; the upstream is connected with an upstream control valve and an upstream pressure meter through pipelines; the downstream is connected with a downstream control valve, a downstream pressure meter and a backpressure control valve respectively through pipelines; a communicating valve is connected with an upstream non-infiltration phase and a downstream infiltration phase respectively through pipelines; a data acquisition cardis connected with the upstream pressure meter through a data wire. The invention is easy in operation, stable in performance and reliable in measurement, and applicable to simultaneous, quick, efficient and precise measurement of the breakthrough pressure and the permeability coefficient of the porous medium material.
Owner:INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
Embedded software architecture system
ActiveCN106933580AAchieve inheritanceImprove inheritanceSoftware designSpecific program execution arrangementsOperational systemSoftware development
The invention discloses an embedded software architecture system. The embedded software architecture system comprises an operation system unit, a communication adaptation unit, a data receiving and transmitting management unit, a data processing unit, and a business logic unit; and the system further comprises a fault detection unit and a fault processing unit. The system has the advantages that by use of the software architecture system provided by the invention, new and old project inheritance can be improved, software development reliability can be improved, application software developers can quickly finish new and old project upgrading by updating the data processing unit and the business logic unit, the updating efficiency is improved, and the cost is reduced.
Owner:北京天恒长鹰科技股份有限公司
Event characteristic evolution excavation method and system based on microblogs
ActiveCN103631862AImprove inheritanceOvercoming the shortage of few and scarce featuresWebsite content managementSpecial data processing applicationsMicro evolutionCo-occurrence
The invention provides an event characteristic evolution excavation method and system based on microblogs. The method includes the steps that in a microblog time sequence, an evolution starting document set is selected, and graph models of documents are constructed on the microblog document set based on co-occurrence characteristics of vocabularies so as to obtain a knowledge network structure of events; according to literal characteristics of the vocabularies and the tendentious compatibility characteristic of the vocabularies, the microblog graph models are combined, and a micro evolution graph of characteristics of the events is constructed; clipping, segmentation and conversion are performed on the micro evolution graph of the events, and a macro evolution graph of the characteristics of the events is formed. According to the method, in the evolution law process for excavating the characteristics of the events, a graph excavating method based on a knowledge network of the events is adopted, the event characteristic evolution excavation method is improved in the succession aspect of knowledge as a whole, and interpretability of the excavating results is higher.
Owner:NAT UNIV OF DEFENSE TECH
Integration method for product data management system
InactiveCN1728166ANo need to replaceSolve the circle reading problemSpecial data processing applicationsData exchangeDocumentation
A method for integrating product data management system includes carrying out engineering drawing design in CAD software and storing it in CAD file, generating printed file under CAD environment , setting up file object in PDM environment and using printed file as reference file of CAD file, setting up component object in PDM environment and using CAD file as description file of component object, searching component object in PDM engineering sign process, opening CAD description file and using approval browser to approve printed file.
Owner:JINGWEI TEXTILE MASCH CO LTD
Single event upset resistant SRAM (Static Random Access Memory) type FPGA (Field Programmable Gate Array) refresh circuit and refresh method
ActiveCN104051002AReduce complexityReduce power consumptionDigital storageCircuit complexityInstability
The invention relates to the field of spatial single event upset resistance of an FPGA (Field Programmable Gate Array), and particularly relates to a single event upset resistant SRAM (Static Random Access Memory) type FPGA refresh circuit and a refresh method, aiming at solving the problems such as high circuit complexity and controller instability as an existing SRAM type FPGA refresh circuit and a method utilize an external controller for achieving the reloading of a configuration command and configuration data. Two same memories are adopted, a complete configuration file is stored in a BOOT, the configuration file contains a functional module to be realized by a user and a refresh module for realizing refresh of the FGPA, an edited configuration file is stored in an SCRUB, after the FPGA loads the first memory, the refresh module is started to enter a refresh mode, and periodical refresh of the FPGA under normal working is achieved by periodically reading the configuration file in the SCRUB memory. The single event upset resistant SRAM type FPGA refresh circuit and the refresh method provided by the invention have the advantages that the power consumption for FPGA refresh and the circuit complexity are effectively reduced.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
Avionics manipulation simulation system and avionics manipulation simulation method on basis of ARINC429 bus
ActiveCN108803568AReduce volumeReduce weightElectric testing/monitoringInformation processingElectricity
The invention discloses an avionics manipulation simulation system and an avionics manipulation simulation method on the basis of ARINC429 bus, and belongs to the technical field of airborne photoelectric manipulation. The avionics manipulation simulation system and the avionics manipulation simulation method have the advantages that reinforced portable computers are used as comprehensive information processing platforms, operation and control information of various photoelectric detectors, execution status information and video images are integrated with one another, the avionics manipulationsimulation system is in folded structural layout, and accordingly outfield carrying and usage in various detection tests can be facilitated; graphic and modular man-machine interaction manipulation interfaces can be provided, and functions of the various photoelectric detectors and detection on various properties can be implemented; the avionics manipulation simulation system and the avionics manipulation simulation method are a debugging device and a manipulation method which are indispensable in airborne photoelectric sight-stabilizing pod development, research and production procedures andhave important significance in the aspects of shortening the research and development cycle of projects, saving the development cost and the like.
Owner:西安应用光学研究所
Recognition method communication mode
A method for a communication mode, comprises: detecting the type of the communication mode; if the communication mode is a USB interface communication mode, turning off a timer; when an instruction is received, conducting a corresponding operation according to the USB interface communication protocol supported by the device; if the communication mode is not set, then when the timeout identifier is set, setting the communication mode as a serial port communication mode, turning off the timer, resetting the timeout identifier, and executing step S6; if the communication mode is a serial port communication mode, turning off the timer, and executing step S6; step S6: when the instruction is received, conducting a corresponding operation according to the serial port protocol.
Owner:FEITIAN TECHNOLOGIES
LED (Light Emitting Diode) backlight driving device
ActiveCN102376273AImprove efficiencyLow costStatic indicating devicesControl signalCommunication control
The invention provides an LED (Light Emitting Diode) backlight driving device used for driving multiple paths of LED light strings. The LED backlight driving device comprises a power supply circuit and a control circuit. The power supply circuit comprises a first power supply output module and a second power supply output module with adjustable voltage, wherein the first power supply output module is used for outputting a first power supply voltage; and the second power supply output module is used for outputting a second power supply voltage to an LED light string. The control circuit comprises a communication control module and multiple constant current control modules. The communication control module is supplied with power by the first power supply voltage and generates a control signal of the first type and multiple control signals of the second type. Each constant current control module is electrically connected with the communication control module and a corresponding LED light string respectively, and also respectively comprises a constant-current control audion, a sample resistance and a comparison amplifier, wherein the communication control module controls the second power supply voltage output by the second power supply output module by using the first type of control signal and respectively controls the constant current control module by using the second type of control signals so that the currents in these LED light strings are controlled in a constant state and controlled to scan these LED light strings row by row.
Owner:HISENSE VISUAL TECH CO LTD
Unmanned aerial vehicle cluster random access method
ActiveCN114339660AReduce complexityAvoid inflexibilityParticular environment based servicesVehicle wireless communication serviceSimulationUncrewed vehicle
The invention discloses an unmanned aerial vehicle cluster random access method, and belongs to the field of unmanned aerial vehicle communication. The method comprises the steps of designing a standardized message mutual recognition format and designing a random access mechanism. According to the invention, a distributed high-dynamic random access protocol distributed according to needs is designed on the top layer of the unmanned aerial vehicle cluster, a dynamic resource management method based on a proportional fairness algorithm and a random access method are adopted, so that the problem of uncertainty generated during access and exit of sub-nodes of the unmanned aerial vehicle cluster is solved; and the problem of conflict of a plurality of access requests in the communication process is effectively avoided. According to the method, the efficient time slot allocation method can be used along with changes of task plans, task processes and strategic tactics so as to improve the performance of a TDMA protocol, the role of each unmanned aerial vehicle is quickly adjusted, and resources occupied by the unmanned aerial vehicles are fairly and efficiently reallocated. The unmanned aerial vehicle cluster collaborative operation can be controlled, and the method is suitable for the fields of military, agriculture, urban rescue, environmental survey, smart city and the like.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Method and device for business directional recommendation based on face recognition
PendingCN110852264AReal-time feedbackPrecision marketingCharacter and pattern recognitionChecking apparatusCustomer informationArtificial intelligence
The invention discloses a business directional recommendation method based on face recognition, and the device comprises a queuing number taking device which comprises a face recognition device. Whena customer walks into the recognition range of the face recognition camera of the interactive queuing machine, customer information is acquired through the face recognition device and then transmittedto the queuing and number taking device. The queuing number taking device collects the click number of the service on the queuing number taking device and the client information within a certain historical period, and establishes a matching relationship between the service and the client information. The queuing number taking device sends the service options to the client according to the matching relationship. The invention further discloses a device for business directional recommendation based on face recognition. The device comprises a face recognition device, a business processing deviceand a customer behavior statistics device.
Owner:南京奥拓软件技术有限公司
Design method for assistance project of new-energy industry
The invention proposes a design method for an assistance project of a new-energy industry. The method includes the following steps: providing a system overall design interface and determining system topology, system configuration information and system technical parameters, wherein the system includes a plurality of subsystems; entering a subsystem design interface of one subsystem in the plurality of subsystems through the system overall design interface; determining subsystem topology, subsystem configuration information and subsystem technical parameters; and returning to the system overall design interface after completing the design of the different subsystems and ending the design. The method prevents a possibility that a design is missed and reduces a large quantity of design workload and provides an overall scheme of the system to a customer conveniently and rapidly so that historical inheritance is increased and at the same time unified management of a project design work of the new-energy industry is facilitated and the design work is modularized and standardized; and new-energy product information, past design cases and successful cases can be inquired conveniently so that necessary data processing and the like is performed.
Owner:BYD CO LTD
Integrated driving system of electric car
InactiveCN104908599AImprove inheritanceAccelerate the process of electrificationElectric devicesVehicular energy storageHigh voltage igbtElectric cars
The invention provides an integrated driving system of an electric car, which is characterized in that the driving system comprises a high voltage case, a motor controller, a charging set, a direct-current converter and an electric appliance case body; the high voltage case, the motor controller, the charging set and the direct-current converter are assembled in the electric appliance case body in a unified and integrated manner; electric and electronic parts are connected in the electric appliance case body and conduct insulation protection; and a driving motor is directly fixed on the electric appliance case body to form integral hoisting and disassembly, and is mounted in a forward engine room in the car. The system integrates all high voltage electrical apparatus parts, provides a constant temperature environment condition, and has no exposed high voltage wires, so that the possibility of burning due to short circuit resulting from car collision is reduced greatly; the integral assembly and disassembly are realized; a loading space and reasonable support are considered integrally; the system is improved in the aspects of design and layout of the complete car, manufacturing and maintenance, cost reduction, economic performance improvement, mass production convenience, etc.; the succession of the traditional car is improved greatly; and the electrification course of the traditional car is accelerated.
Owner:马军 +1
Access equipment and method for implementing channel associated signaling compatibility on the access equipment
InactiveCN101335665AFix compatibility issuesImprove stabilityData switching detailsData switching by path configurationSignal onChannel-associated signaling
Owner:ZTE CORP
Solid rocket engine mapping design method and device, and equipment
ActiveCN112818469AImprove the level of intelligent designRealize knowledge reuseGeometric CADDesign optimisation/simulationNozzle throatMechanical engineering
The invention relates to a solid rocket engine mapping design method and device, and equipment. The method comprises the steps: obtaining a target thrust curve and an engine original parameter of a solid rocket engine ; performing geometric scaling on the engine original parameter; according to the engine parameter subjected to the geometric scaling, calculating the shell area, the heat insulation layer area, the charge combustion area and the thickness; calculating the nozzle throat area according to the engine parameter and the charge combustion area; determining the engine combustion speed through an optimization algorithm, and determining the throat diameter is determined according to the nozzle throat area; generating a design thrust curve according to the engine parameter, the thickness, the engine combustion speed and the nozzle throat area; calculating the root-mean-square error of the design thrust curve and the target thrust curve, and adjusting the engine combustion speed according to the root-mean-square error by using an optimization algorithm; and outputting the corresponding overall mapping design parameter of the engine when the root-mean-square error is minimum. By using the technical scheme, the technical effect of greatly improving the design efficiency is achieved.
Owner:NAT UNIV OF DEFENSE TECH
Helicopter-mounted photoelectric simulation control system and method based on AFDX bus
ActiveCN108803375AAchieve no flickerImprove the display effectSimulator controlMachine simulationPhotovoltaic detectors
The invention discloses a helicopter-mounted photoelectric simulation control system and method based on AFDX bus and belongs to the technical field of airborne photoelectric control. The system has the advantages that the system uses an industrial personal computer as the comprehensive information processing platform to integrate the operation and control information and execution state information of various photoelectric detectors, and the system adopts a cabinet layout and comprises a comprehensive display unit, a task machine simulation unit and a helmet simulation unit; the system uses the AFDX bus as the external communication interface bus of the control system, communication speed and reliability are increased, and equipment interconnection complexity is lowered; a graphic and modularized man-machine interaction control interface is provided, and the functions and various performance of the various photoelectric detectors can be detected; meanwhile, a curve drawing method based on a double-buffer mechanism is adopted, and follow-up angles and feedback angles can be visually reflected.
Owner:西安应用光学研究所
Solid rocket engine charging performance matching method and device, equipment
ActiveCN112861260APromoting the development of design intelligenceImprove inheritanceGeometric CADCharacter and pattern recognitionCosine similarityThermodynamics
The invention relates to a solid rocket engine charging performance matching method and device, equipment. The method comprises the following steps: acquiring a symbol distance field of each charging configuration to be matched; performing interval statistics on the symbol distance field to obtain a charging interval vector of each charging configuration; performing similarity calculation on each charging interval vector by adopting a cosine similarity method to obtain a similarity heat map of each charging configuration; and comparing the burning surface curve of each charging configuration with the similarity heat map to obtain a charging performance matching result. Three-dimensional charging characterization is carried out through a symbol distance field, charging structure parameters are stored in a distance field mode, dimension reduction storage of data is achieved based on intrinsic generalized decomposition, and the memory space is saved; by processing the distance field to obtain the interval vector of the charge and based on a cosine similarity calculation method, intelligent matching of configuration and performance of heterogeneous charge is realized, the purpose of better performance matching effect is achieved, and the inheritance of empirical data and knowledge is effectively improved.
Owner:NAT UNIV OF DEFENSE TECH
Neighbor cell measurement method and system, electronic equipment and storage medium
ActiveCN111278070AReduce data volumeReduce bandwidth requirementsWireless communicationTelecommunicationsReal-time computing
The invention discloses a neighbor cell measurement method and system, electronic equipment and a storage medium. The measurement method comprises the following steps: configuring a measurement frequency point to support N times of antenna time-sharing reception; under a target measurement frequency point, selecting the target receiving antenna received by each antenna in a time-sharing manner toreceive data; according to the data received by the target receiving antenna, obtaining measurement results respectively corresponding to the M receiving antennas of the neighbor cell under the targetmeasurement frequency point; and obtaining a target measurement value of the neighbor cell according to the measurement result. According to the invention, the measurement frequency point realizes the effect of measuring the M receiving antennas of the frequency point neighbor cell through N times of antenna time-sharing receiving and processing; according to the method, the mobility requirementis maintained, meanwhile, the amount of data cached in unit time is effectively reduced, the bandwidth requirement of cell measurement for DDR reading / writing is reduced, the effective bandwidth of cell measurement is ensured, and the performance of cell reselection and switching is improved.
Owner:SPREADTRUM COMM (SHANGHAI) CO LTD
A two-speed mechanical automatic transmission for electric vehicles
ActiveCN103307219BGood speed regulation performanceGood inheritanceToothed gearingsGearing controlDrive motorElectric vehicle
The invention provides a two-gear mechanical automatic gearbox for an electric vehicle, and belongs to the technical field of electric vehicle transmission. The transmission comprises a transmission control system, a double-stage driving variable transmission mechanism and a gear shift control mechanism, wherein the gear shift control mechanism comprises a centrifugation gear shift control mechanism and a synchronizer gear shift mechanism; and the centrifugation gear shift control mechanism adopts a mechanical structure, detects vehicle speed through gear drive, and generates centrifugal force to be combined with returning force of a spring to realize the mechanical automatic speed change. The automatic gearbox adopts two gears to realize automatic speed change, combines with a driving motor with an excellent speed regulation property, reduces performance requirements of the driving system on the driving motor, and improves the efficiency of the driving motor as well as dynamic property and economy of a whole vehicle; and compared with a conventional electronic-controlled automatic transmission, the manufacturing inheritance is good, and an electrical control operation gear shift mechanism is omitted and replaced with the mechanical gear shift mechanism, so that the manufacturing cost is lowered, and the system stability is improved.
Owner:TONGJI UNIV
Output cleaning executive system
ActiveCN106623154AImprove inheritanceThere will be no phenomenon of falling on componentsPhotovoltaicsCleaning using toolsMicrocomputerMicrocontroller
The invention discloses an output cleaning executive system. The output cleaning executive system comprises a user control end, a server and a cleaning unit, wherein cleaning equipment consists of a rectangular housing of which the section is in the shape like a Chinese character 'ao', an accumulator and a brush motor mounting box which are placed on one side of the lower surface of the rectangular housing, a brush motor arranged in the brush motor mounting box, a brush arranged at the output end of the brush motor in a sleeving manner and located at the cavity part of the rectangular housing, a bearing A arranged on the side surface of the cavity part of the rectangular housing and mounted at one end of the brush in a sleeving manner, a single-chip microcomputer placing plate arranged on the other side of the lower surface of the rectangular housing and used for allowing a cleaning and processing unit to be placed, a dual-output-shaft travelling wheel motor arranged on the lower surface of the rectangular housing, a transmission shaft connected to the output end of the dual-output-shaft travelling wheel motor, a bearing B arranged at one end of the transmission shaft, a brush housing arranged at the cavity part of the rectangular housing and mounted on the brush in a sleeving manner, and spacing monitoring points arranged on two sides of the rectangular housing. The output cleaning executive system disclosed by the invention has the beneficial effects of being simple in structure and high in practicality.
Owner:天津温纳科技有限公司
A mechanical automatic transmission for electric vehicles with overrunning clutch
ActiveCN103307222BGood speed regulation performanceGood inheritanceToothed gearingsGearing detailsDrive motorEngineering
Owner:TONGJI UNIV
Adaptive control system and method for pantograph and catenary
ActiveCN110333662BDynamic adjustment of contact forceGuaranteed Adaptive FunctionalityRailway vehiclesSatellite radio beaconingData matchingInformation control
Owner:CRRC QINGDAO SIFANG ROLLING STOCK RES INST
A Componentized Payload Ground Comprehensive Test System
ActiveCN110113093BImprove inheritanceImprove reliabilityRadio transmissionTransmission monitoringOverlayData acquisition
The invention discloses a componentized payload ground comprehensive test system, comprising: an interactive layer device, used for data interaction between a simulated satellite platform and a payload through a control bus, telemetry and remote control, power supply and distribution, and high-speed data acquisition interfaces; a processing layer The equipment is used for the transmission frame and source packet format processing and quality inspection of the load detection data and engineering telemetry parameters generated by the payload, data decompression and image color restoration, and physical quantity inversion of engineering telemetry parameters; the application layer equipment is used to realize Payload data injection file generation, test sequence generation and editing, test sequence execution and test coverage analysis. Different layered equipment is generated into multiple components that can be used. Based on the combination of existing components, changes in component attribute configuration, or by adding new components, a comprehensive ground test system for payloads suitable for new types of tasks can be constructed, which significantly shortens system development. cycle, which improves the inheritance and reliability of the system.
Owner:NAT SPACE SCI CENT CAS
An output cleaning execution system
ActiveCN106623154BImprove inheritanceThere will be no phenomenon of falling on componentsPhotovoltaicsCleaning using toolsMicrocomputerMicrocontroller
The invention discloses an output cleaning execution system, which includes a user control terminal, a server and a cleaning unit. The cleaning equipment consists of a rectangular shell with a concave cross-section, a battery and a brush motor installation box placed on one side of the lower surface of the rectangular shell. , a brush motor arranged in the brush motor installation box, a brush set at the output end of the brush motor and located in the cavity part of the rectangular shell, a bearing A set on the side surface of the cavity part of the rectangular shell and set at one end of the brush , a single-chip microcomputer placement plate provided on the other side of the lower surface of the rectangular housing and used to install the cleaning unit, a dual-output walking wheel motor provided on the lower surface of the rectangular housing, a transmission shaft connected to the output end of the dual-output traveling wheel motor, and a transmission shaft provided on the lower surface of the rectangular housing. It consists of a bearing B at one end, a brush shell arranged in the cavity part of the rectangular shell and set on the brush, and limit monitoring points arranged on both sides of the rectangular shell. The invention has the beneficial effects of simple structure and strong practicability.
Owner:天津温纳科技有限公司
Access equipment and method for implementing channel associated signaling compatibility on the access equipment
InactiveCN101335665BImprove stabilityImprove inheritanceData switching detailsData switching by path configurationComputer architectureSignal on
The invention discloses an access device and a method for realizing the compatibility of channel associated signaling on the access device. The access device comprises an inlet module, a line signaling processing module and a register signaling processing module; the method includes the following steps: the access device distributes the received channel associated signaling information and forwards line signaling information in the channel associated signaling information to the line signaling processing module for processing as well as register signaling information to the register signalingprocessing module for processing. The line signaling processing module and the register signaling processing module queries that which associated channel is butt-jointed by the circuit according to circuit number information carried in the received signaling information. According to a flow specified by a signaling standard of the associated channel, the received signaling information is processed. The access device and the method of the invention solve the problem of the compatibility between the access device and an on-line device well, and improve the stability, succession and maintainability of the access device.
Owner:ZTE CORP
Test command word constructing method and method for scheduling test sequence of test command word
InactiveCN100407668CImprove versatilityImprove inheritanceError detection/correctionData switching networksTest sequenceComputer science
The invention relates to a method for building test command word (AW) and test sequence distribute method, wherein AW uses tree structure, while each AW name comprises two branches; one branch marks the parameter list of AW, while each parameter is formed by parameter mark and relative parameter value, and another branch marks the forecast event list of AW, while each event is formed by event mark and relative event treatment; based on the demand of test process, forming AW into AW test sequence; starting the timer that testing the AW in the AW test sequence, while the time of timer is valued based on the ultra-long time-length parameter of AW parameter list; based on the overtime event of present AW and received event, triggering the event of present AW to execute relative operation based on the definition of present event operation. The invention has high flexibility, stability and application.
Owner:HUAWEI TECH CO LTD
LED (Light Emitting Diode) backlight driving device
ActiveCN102376273BImprove efficiencyLow costStatic indicating devicesAudio power amplifierControl signal
The invention provides an LED (Light Emitting Diode) backlight driving device used for driving multiple paths of LED light strings. The LED backlight driving device comprises a power supply circuit and a control circuit. The power supply circuit comprises a first power supply output module and a second power supply output module with adjustable voltage, wherein the first power supply output module is used for outputting a first power supply voltage; and the second power supply output module is used for outputting a second power supply voltage to an LED light string. The control circuit comprises a communication control module and multiple constant current control modules. The communication control module is supplied with power by the first power supply voltage and generates a control signal of the first type and multiple control signals of the second type. Each constant current control module is electrically connected with the communication control module and a corresponding LED light string respectively, wherein the communication control module controls the second power supply voltage output by the second power supply output module by using the first type of control signal and respectively controls the constant current control module by using the second type of control signals so that the currents in these LED light strings are controlled in a constant state and controlled to scan these LED light strings row by row.
Owner:HISENSE VISUAL TECH CO LTD
Crystal module and space-borne photoelectric detection unit containing the crystal module
ActiveCN111474570BSolve the problem of replacement convenienceImprove inheritanceThermometers using electric/magnetic elementsUsing electrical meansEngineeringPhotoelectric conversion
The invention provides a crystal module and a space-borne space photoelectric detection unit containing the crystal module, the photoelectric detection unit includes a crystal module and a photoelectric conversion module, and the crystal module includes a crystal, a crystal protection structure, a temperature detection structure and Performance calibration structure and other components, the photoelectric conversion module includes components such as photoelectric conversion devices, electronic readout circuit boards and protective structures. The invention makes the crystal module and the photoelectric conversion module relatively independent through structural improvement, which can solve the problem of the convenience of replacing the spaceborne crystal and the photoelectric conversion module, is beneficial to improve the inheritance of aerospace products, shorten the development cycle, and ensure that the detection device can pass through space mechanics. The environmental assessment meets the requirements of the launch environment, and on the premise of ensuring the structural strength, the structural quality of the equipment is effectively reduced through the integrated compact design.
Owner:ZIJINSHAN ASTRONOMICAL OBSERVATORY CHINESE ACAD OF SCI
Small-compensation-quantity spinning roller angle adjusting device of numerical control spinning machine tool
The invention discloses a small-compensation-quantity spinning roller angle adjusting device of a numerical control spinning machine tool. The small-compensation-quantity spinning roller angle adjusting device comprises a spinning roller head body, a spinning roller head body installation base is movably installed on the lower end portion of the spinning roller head body, the upper end of a fixed base is of an inwards-concave cambered surface structure, and an angle adjusting device body is fixedly installed in the spinning roller head body installation base. The angle adjusting device body comprises a rotating shaft, one end of the rotating shaft is located in the spinning roller head body installation base and fixedly provided with a gear, the other end of the rotating shaft extends to the outer portion of the lateral side of the spinning roller head body installation base and is fixedly connected with a handle, and an arc-shaped rack is arranged on the lower end face of the spinning roller head body and meshed with the gear. According to the small-compensation-quantity spinning roller angle adjusting device of the numerical control spinning machine tool, when non-standard spinning roller angle adjustment is conducted, a spinning roller spinning working area arc center can generate small deviation values, and the deviation values can be compensated through the tool compensation function of a numerical control system.
Owner:SICHUAN AEROSPACE LONG MARCH EQUIP MFG CO LTD
Measurement method, system, electronic device and storage medium of adjacent cell
ActiveCN111278070BGuaranteed bandwidthGood switching effectWireless communicationBandwidth requirementHandover
The invention discloses a measurement method, system, electronic equipment and storage medium for adjacent cells. The measurement method includes: configuring a measurement frequency point to support N times of antenna time-division reception; The target receiving antenna received at the same time receives data; according to the data received by the target receiving antenna, obtain the measurement results respectively corresponding to the M receiving antennas of the adjacent cell under the target measurement frequency point; according to the target measurement frequency point Obtain the target measurement value of the neighboring cell based on the measurement result. In the present invention, the measurement frequency point realizes the measurement effect of M receiving antennas in the neighboring cell of the frequency point through N times of antenna time-sharing reception and processing, and effectively reduces the amount of data cached per unit time while maintaining mobility requirements , reducing the bandwidth requirement of cell measurement for DDR read / write, ensuring the effective bandwidth of cell measurement, and improving the performance of cell reselection and handover.
Owner:SPREADTRUM COMM (SHANGHAI) CO LTD
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