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55results about How to "Reduce the amount of data collected" patented technology
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Map construction and application
InactiveCN107451526AReduce the amount of data collectedEasy to collectCharacter and pattern recognitionNavigation instrumentsRoad mapSystem construction
The invention relates to map construction and application, and belongs to the technical field of map construction. The map construction method comprises the steps of successively collecting road image information on a road by multiple vehicles running on the road, and obtaining locating information at a position point where the road image information is collected; extracting road information from the road image information; uploading the road information and the corresponding locating information obtained by the vehicles through the vehicles; and generating or updating road map information on the road based on the road information and the corresponding locating information of the vehicles.
Owner:NIO CO LTD
Traffic information providing system and terminal and method of providing traffic information using the same
ActiveCN102467827AReduce data transfer volumeReduce the amount of data collectedRoad vehicles traffic controlComputer terminalNetwork service
The present invention provides a traffic information providing system and terminal and a method of providing traffic information. More specifically, the traffic information providing system includes a first module, within a vehicle, which is configured to receive a range associated with a route calculated by a terminal from a web server, wherein a plurality of ranges are previously set based on a traveling route, a specific region and a present position. Additionally the present invention also includes a second module that is configured to receive a traffic information request for any one of a plurality of ranges from the terminal via a command. A third module is configured to collect traffic information within the provided range corresponding to the command. Upon doing so the second module transmits the traffic information collected by the third module to the traffic information providing terminal to be conveyed to the driver.
Owner:HYUNDAI MOTOR CO LTD +1
Self-adapting correction method for mileage calculation
ActiveCN102981173AHigh precisionReduce the amount of data collectedSatellite radio beaconingIn vehicleGps navigation
The invention belongs to the technical field of vehicle-mounted GPS (global position system) navigation and particularly relates to a self-adapting correction method for long sampling interval GPS data mileage calculation. The self-adapting correction method is generally applicable to a remote information management system of a vehicle. The self-adapting correction method comprises the following steps that 1), GPS sampling data is subjected to real-time processing; 2), a GPS dead signal zone is compensated; 3), the mileage calculation is subjected to self-adapting correction; and 4), a calculated mileage is output, wherein the real-time processing comprises the steps that 1-1), a calculation formula of a spherical distance between two points is corrected; 1-2), static shifting data is corrected; and 1-3), dynamic exceptional data is corrected. With the adoption of the self-adapting correction method for processing the GPS sampling data; the data quality is improved; dead zone compensation in a short time is realized; the precision of the mileage calculation is improved on the premise that the cost of a GPS navigation system is not increased; due to the self-adapting correction of the mileage, the precision of the mileage calculation is further improved. A model and an algorithm not only support on-line real-time operation, but also support off-line data processing.
Owner:TIANZE INFORMATION IND
Road-network traffic jam discrimination method based on macroscopic fundamental diagram
InactiveCN106408943AReduce the amount of data collectedData processing is simpleDetection of traffic movementDesign optimisation/simulationData processingSimulation
The invention discloses a road-network traffic jam discrimination method based on a macroscopic fundamental diagram. The method comprises the steps that 1) the road network is divided into traffic cells; 2) the macroscopic fundamental diagram of the traffic cells is drafted; 3) critical points of jamming levels are defined in the macroscopic fundamental diagram, and a traffic jamming state is defined; 4) jamming levels of the traffic cells are determined; and 5) the jamming state is output. According to the method, the related data bulk is low, data processing is simple, the jamming state discrimination speed is high, the method can be used to discriminate the jamming state of areas of different ranges and sizes, and the traffic cells are merged and decomposed flexibly to change the jamming discrimination range rapidly.
Owner:SOUTH CHINA UNIV OF TECH
Human body three-dimensional data collecting system and method based on light coding technology
InactiveCN104008236ASimple structureLow costDiagnostic recording/measuringSensorsHuman bodyWhole body
The invention provides a human body three-dimensional data collecting system and method based on the light coding technology. The human body three-dimensional data collecting system comprises a rotary disc. Supports are arranged on the periphery of the rotary disc, a whole-body scanner, a half-body scanner and a face five-sense-organ scanner are installed on the three supports respectively, data lines at the tail ends of the three scanners are connected into a computer, and a matched software tool for model collecting, fusing, repairing and strengthening is arranged in the computer. The human body three-dimensional data collecting system is simple in structure, low in cost, high in accuracy and short in scanning time, the advantages of the scanners in different types are combined, division operation is adopted, the aim is explicit, and high-accuracy human body characteristic three-dimensional models of the five sense organs of the human body face, the head outline, hair details, the whole-body surface outline and the like can be obtained; a high-accuracy human body three-dimensional model can be obtained by fusing and splicing the characteristic three-dimensional models collected through the different scanners through software, and follow-up model processing is avoided; the multiple scanners work at the same time, and the scanning time is greatly shortened.
Owner:NANJING UNIV OF POSTS & TELECOMM
Method for detecting stochastic resonance transient electromagnetic weak signals
InactiveCN101825665AEliminate frequency restrictionsImprove detection depthElectromagentic field characteristicsTime domainFrequency spectrum
The invention relates to a method for detecting stochastic resonance transient electromagnetic weak signals. Transient electromagnetic detecting receiving signals are ns (t), wherein ns (t) is equal to s (t) plus n (t), and s (t) is target signals. In the method, scale variation is carried out on the signals, i.e. the frequency domain of time-domain signals ns (t) is NS (jw), and the frequency domain of ns (mt) is shown in the specification, wherein m is a nonzero constant. The time-domain signals are compressed by m times, and the frequency spectrum thereof in the frequency domain is expanded by m times. Thus, the frequency of large frequency weak target signals in the noise received by transient electromagnetic detection is reduced to be less than 0.1Hz, the weak target signals are input to a stochastic resonance system to generate resonance, then the target signals after time-domain compression are extracted, and then the frequency spectrum of the obtained target signals is reduced. The method of the invention comprises the following steps: firstly, inputting noise to the stochastic resonance system to obtain a noise average power spectrum strength Pn; then inputting the signals to the resonance system, wherein a frequency fi which meets the power spectrum strength in the power spectrum of output signals is the resonance frequency; and reducing each resonance frequency fi to obtain the actual frequency of the target signals. The method eliminates frequency restriction of the stochastic resonance system on transient electromagnetic signals to be detected, and accurately detects the weak target signals.
Owner:百色美联天衡地质探测雷达制造有限责任公司
Double-focusing ultrasonic probe and sparse array photoacoustic tomography imaging system
ActiveCN105595964ALow costImprove image qualityUltrasonic/sonic/infrasonic diagnosticsDiagnostic signal processingSonificationData acquisition
The invention relates to a double-focusing ultrasonic probe and sparse array photoacoustic tomography imaging system. Each probe comprises a concave detection face. The numerical value hole diameter of each concave detection face in the first direction is larger than that of the concave detection face in the second direction. A signal receiving angle of each concave detection face in the first direction is larger than that of the concave detection face in the second direction. The focused region length of each concave detection face in the second direction is larger than that of the concave detection face in the first direction. The first direction is perpendicular to the second direction. Each probe has a large signal receiving angle on an imaging fracture surface, and therefore the quality of an image reconstructed by a compressed sensing image reconstructing method under a low sampling rate can be improved. Meanwhile, an annular probe array can be formed in a sparse distribution mode, and cost of the imaging system can be reduced. Data acquisition amount needed by image reconstruction can be reduced, and therefore data acquisition speed and imaging speed are increased.
Owner:QUFU NORMAL UNIV
Multi-variety multi-objective passive locating method based on migration compression perception
ActiveCN103702282AMeet the deploymentReduce the amount of data collectedPower managementLocation information based serviceNODALNetwork deployment
The invention discloses a multi-variety multi-objective passive locating method based on migration compression perception. The method specifically comprises the following steps: 1, deploying a sensor node; 2, collecting data to prepare for transfer function determination; 3, determining transfer functions of different varieties and objectives; 4, transferring a perception matrix by using the transfer function obtained in the step 3; 5, locating the objectives. The method disclosed by the invention can meet needs of sparse network deployment, low quantity of data acquisition and low energy consumption for wildlife conservation based on the migration compression perception. In comparison with the existing passive locating method, a locating model (perception matrix) is not required to be reconstructed for a newly emerged objective, and then high-precision locating can be finished. The locating method comprises the following outstanding advantages that reconstruction of the locating model, namely the perception matrix usually needs to cost a lot of manpower and material resources, however, the method disclosed by the invention can save the manpower and material resources, and meet the requirement for multi-variety multi-objective wildlife positioning.
Owner:NORTHWEST UNIV
Non-intrusive electrical appliance identification method based on Frechet distance
ActiveCN109470957AEasy to integrateLow hardware requirementsElectrical testingResourcesComputer hardwareData acquisition
The invention discloses a non-intrusive electrical appliance identification method based on Frechet distance, and solves the problems that a traditional power consumption monitoring method is high incost and difficult to deploy, and early non-intrusive monitoring has insufficient hardware and algorithms. The method only relies on electrical appliance steady state current and voltage data, has lowrequirements on the hardware, and only needs to collect the data of a single device in the early stage, sample data does not need to be combined with electrical appliance data to reduce the data collection, the algorithm is simple and can be easily integrated into a hardware device, and the method is easy to promote.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD
FRI sparse sampling core function building method and circuit
ActiveCN107276560AReduce the amount of data collectedSimple structureDigital technique networkComplex mathematical operationsElectricityCore function
Owner:JIANGSU UNIV
Two-stage based automatic calibration and correction method and system for repeater
ActiveCN102510316AImproved Gain Control AccuracyReduce data volumePower managementActive radio relay systemsIntermediate frequencyData acquisition
The invention discloses a two-stage based automatic calibration and correction method and system for a repeater. The method comprises the following steps: firstly, fixing intermediate frequency; moving a local oscillator to obtain radio frequency gain modifying factors of different frequency points; then fixing the local oscillator; moving the intermediate frequency to obtain intermediate frequency modifying factors of different frequency points; and finally removing mutually-affecting components of the radio frequency gain modifying factors and the intermediate frequency modifying factors to obtain a total gain modifying factor corresponding to each frequency point. In the two-stage based automatic calibration and correction method and system for the repeater, a link gain control precision is high, the data amount which is collected in a calibration mode is reduced from N*N to 2*N, the data acquisition amount is greatly reduced, the production efficiency is improved, and the production cost is lowered.
Owner:成都芯通软件有限公司
Method for reducing frequency aliasing effect of undersampled magnetic resonance imaging
ActiveCN104793160AFast imagingReduce the amount of data collectedMeasurements using NMR imaging systemsSparse methodsOriginal data
The invention discloses a method for reducing a frequency aliasing effect of undersampled magnetic resonance imaging. The method comprises the following steps of (1) obtaining space K through a nuclear magnetic resonance spectrometer and performing undersampling on the original data of the space K by using a random oscillometric method to obtain undersampling data; (2) forming an over-complete dictionary by selecting a sparse method; and (3) performing recovery reestablishment on the undersampled data in the step (1) by using a recovery algorithm according to the over-complete dictionary to obtain original data, performing Fourier transform to obtain images and performing real-time imaging. The random oscillometric method comprises a variable-density oscillating spiral track and a variable-density oscillating radiation track.
Owner:NANJING MEDICAL UNIV
Infrared wide-waveband hyperspectral calculation imaging device and method thereof
ActiveCN108663118AHigh sensitivityOvercome the shortcomings of slow mechanical scanning and large data redundancyRadiation pyrometrySpectrum investigationSpatial light modulatorSpectral response
The invention discloses an infrared wide-waveband hyperspectral calculation imaging device, which comprises a front-mounted infrared lens, a coding template generator and loader, a reflection-type spatial light modulator, an infrared relay lens set, a unit type spectrum radiometer, an infrared spectrum calculation imaging module and a hardware synchronous controller. The invention further discloses an infrared wide-waveband hyperspectral calculation imaging method. The unit type spectral radiometer has the advantages of being wide in spectral response range and low in system noise. The defectof mechanical scanning is avoided, and the data acquisition amount is reduced; the time needed by imaging is shortened, and the spectral resolution and the spatial resolution are improved. The devicehas the advantages of a fourier spectrum radiometer of being real-time, fast, accurate and highly sensitive, and overcome the defect that a traditional unit non-imaging type infrared imaging spectrummeter is low in mechanical scanning speed and large in data redundancy.
Owner:XIDIAN UNIV
Collection method for fault analysis data of harbor machine
ActiveCN107655668AAvoid misjudgmentImprove stabilityMachine part testingMachine learningFault analysisCollection methods
The invention reveals a collection method for fault analysis data of a harbor machine, and the method comprises the following steps: setting a collection time duration t0 before an abnormality and a collection time duration t1 after the abnormality, wherein the abnormality is a time point t when a fault code is detected; setting the sampling period; carrying out the sampling of the operation dataof the harbor machine according to the sampling period; detecting the fault code, and recording the time point t when the fault code is detected; extracting the data from the sampled data from a moment t-t0 to a moment t+t1, and enabling the data to serve as fault collection data; transmitting the fault collection data to a fault analysis server; enabling the fault analysis server to input the fault collection data into the fault analysis model for learning and training, so as to update the fault analysis model; adjusting the collection time duration t0 before the abnormality and the collection time duration t1 after the abnormality according to the updated fault analysis model, and repeatedly carrying out the above process according to the adjusted collection time duration t0 before the abnormality and the adjusted collection time duration t1 after the abnormality.
Owner:SHANGHAI ZHENHUA HEAVY IND
Power station equipment data acquisition method and system
ActiveCN112069166AImprove upload efficiencyRelieve pressureDatabase updatingSpecial data processing applicationsAcquisition apparatusPower station
The invention discloses a power station equipment data acquisition method and system. The method comprises the following steps: creating at least one SQLite thread according to equipment information;storing the configuration information of the equipment and the measurement points into an SQLite database; querying equipment information in the SQLite, and classifying the equipment information according to the IP and port information, wherein each type creates a thread; acquiring measurement point configuration information in a single thread according to details of each device; acquiring measurement point data, comparing the acquired measurement point data with a Redis database, and selecting whether to store the measurement point data and report the measurement point data according to a comparison result. According to the method and the system, the timeliness of data transmission of the power station equipment can be effectively improved, the total amount of data transmission can be reduced by collecting the equipment measuring point data in a grading manner, and the network pressure during data transmission is reduced.
Owner:ZHEJIANG NARADA POWER SOURCE CO LTD +1
Wide-field color light slice microscopic imaging method based on deep learning
PendingCN111429562AReduce the amount of data collectedImprove imaging throughputImage enhancementImage analysisNuclear medicineImage resolution
The invention belongs to the technical field of optical microscopy imaging, provides a wide-field color light slice microscopy imaging method based on deep learning, and solves the problems that defocusing information is complex, the resolution ratio is poor, SIM-OS imaging needs large-data-volume acquisition and the like in wide-field microscopy imaging. Unique high resolution and panchromatic property of full-color structured light illumination are fully utilized, and a single-width wide-field microscopic imaging result can be used for training. The method is popularized to a wide-field microscopic imaging experiment; according to the method, a light slice component with a wide scene depth and a full-color high-quality image can be directly obtained from a wide-field image, and meanwhile, the method has three-dimensional reconstruction and data analysis capabilities equivalent to those of full-color structured light illumination imaging in spatial resolution and dimension; in addition, the required data volume is sharply reduced compared with that of full-color structured light illumination; according to the method, under the condition that details are not lost, the imaging throughput of an imaging system is remarkably improved by extracting a wide-scene-depth optical slice result and reducing data acquisition, and meanwhile, the phototoxicity pollution risk of the system isreduced.
Owner:MGI TECH CO LTD
Ring structured lin wave contactless liquid medium ultrasonic wave electric machine
InactiveCN1794556AExtend your lifeSimple processPiezoelectric/electrostriction/magnetostriction machinesLiquid mediumControl signal
This invention relates to a non-contacted supersonic motor including a stator, a rotor, a reversible drive circuit and a rotation speed following control device, in which, the stator is a ring post, the outside of which is set with ring piezoelectric ceramic plates and electrodes, in which, the reversible drive circuit includes a DC supply, a square wave generator, a frequency dividing phase shifter, a power amplified circuit and a transformer boosting circuit, in which, the rotation control device includes a control signal interface circuit, a controller and a motor vibration test circuit, which includes an integral phase shift circuit, a proportion amplified circuit, a subtraction circuit and a discriminating circuit.
Owner:TIANJIN UNIV
Vehicle ADAS driving data acquisition method and device, man-machine interaction device and vehicle
PendingCN112802227AEasy to uploadReduce the amount of data collectedRegistering/indicating working of vehiclesInteraction deviceData acquisition
The embodiment of the invention discloses a vehicle ADAS driving data acquisition method and device, a man-machine interaction device and a vehicle, relates to the technical field of auxiliary driving, and solves the problem that the data volume of ADAS driving data acquired at present is large in the prior art. The method disclosed by the embodiment of the invention mainly comprises the following steps: monitoring real-time driving data of the vehicle advanced auxiliary driving system; judging whether the driving data exceed a preset safety threshold value or not; and if the preset safety threshold value is exceeded, collecting the current driving data of the vehicle. In the driving process of the vehicle, the real-time driving data of the vehicle can be monitored, when the real-time driving data exceed the preset safety threshold value, the current driving data of the vehicle is collected, and compared with a mode of collecting all the driving data, the data collection amount of the driving data of the ADAS can be greatly reduced, the driving data of the ADAS can be conveniently uploaded to a server, and the ADAS data analysis cost is reduced.
Owner:BEIJING CHJ AUTOMOTIVE TECH CO LTD
Battery cluster inconsistency on-line monitoring method based on polarization impedance voltage rises
The invention discloses an energy storage power station battery cluster inconsistency online evaluation method based on polarization impedance voltage rises. The method comprises the steps: screening battery pack boxes based on two parameter indexes which are available capacity and DC internal resistance, and selecting characterization monomers; acquiring voltage rises [delta]Up and [delta]up, caused by polarization impedance, of the battery clusters and the characterization monomers in real time; acquiring a linear fitting relation f(n*[delta]up, [delta]Up), and performing derivation on the linear fitting relation to obtain a change rate k(n*[delta]up, [delta]Up), with n being the number of battery pack boxes. If the k(n*[delta]up, [delta]Up) is in an increasing trend along with the proceeding of the circulation, it shows that the inconsistency of the battery clusters is intensified. The method is low in implementation cost and easy in practical application, and online evaluation of the inconsistency of the battery clusters is effectively carried out.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Flight abnormal information detection method and system based on multi-source information fusion processing
ActiveCN114291277AImprove adaptabilityImprove accuracyCharacter and pattern recognitionAircraft indicatorsFlight heightFlight direction
The invention discloses a flight abnormal information detection method based on multi-source information fusion processing, and the method comprises the following steps: 1, inputting preset information which comprises an abnormal type and an abnormal detection condition; 2, aircraft flight data from all data sources are collected; the aircraft flight data comprises the real-time flight height, the real-time flight position, the real-time flight direction, the runway entering time, the takeoff airport information and the landing runway information of the aircraft; 3, performing data processing on the flight data of the aircraft by applying the anomaly judgment formula in the step 1 in a data processing module, and generating judgment reference data; and 4, performing abnormal flight judgment on the aircraft according to the judgment reference data in an abnormal judgment module, and generating an abnormal judgment result. By adopting the technical scheme, the abnormal flight detection capability of the aircraft can be effectively improved, so that the operation efficiency of flight deployment of the aircraft is remarkably improved.
Owner:四川省行之行科技有限公司
Soybean plant rapid three-dimensional reconstruction method based on phenotypic-oriented accurate identification
PendingCN112509142ASave money on purchasesSave time and costImage enhancementImage analysisPoint cloudAlgorithm
The invention discloses a soybean plant rapid three-dimensional reconstruction method based on phenotype-oriented accurate identification, and the method comprises the steps of enabling a user to useKinect to scan a soybean plant, i.e., a soybean plant, at intervals of a set angle, and obtaining a plurality of frames of point cloud scenes where the soybean plant is placed on an automatic rotatingdisc; after removing a point cloud background through straight-through filtering, calculating a rough registration matrix by using a Rodrigs formula according to a rotation angle provided by a user,performing fine registration by using an ICP algorithm, performing hierarchical clustering on plant point clouds to obtain skeleton points, setting each point to be adjacent to nearest K points for the skeleton points to obtain a plurality of connected components, performing trunk Dijkstra path growth, branch growth point selection and branch communication component Dijkstra path growth on trunk communication components where root nodes are located, and finally performing three-dimensional visualization of a plant skeleton through a pyvista visualization library. According to the invention, the plant point cloud does not need to be processed in advance through software to obtain the parameters, the purchase expenditure of modeling software and the learning and using time cost of the modeling software are saved, and the invention is more efficient.
Owner:SOUTH CHINA UNIV OF TECH
Ring structured travelling wave type contactless liquid medium ultrasonic wave electric machine
InactiveCN100492865CExtend your lifeSimple processPiezoelectric/electrostriction/magnetostriction machinesLiquid mediumTransformer
This invention relates to a non-contacted supersonic motor including a stator, a rotor, a reversible drive circuit and a rotation speed following control device, in which, the stator is a ring post, the outside of which is set with ring piezoelectric ceramic plates and electrodes, in which, the reversible drive circuit includes a DC supply, a square wave generator, a frequency dividing phase shifter, a power amplified circuit and a transformer boosting circuit, in which, the rotation control device includes a control signal interface circuit, a controller and a motor vibration test circuit, which includes an integral phase shift circuit, a proportion amplified circuit, a subtraction circuit and a discriminating circuit.
Owner:TIANJIN UNIV
Monitoring equipment and vibration abnormality determination method
PendingCN111504452AReduce the amount of data collectedData Collection Reduction MonitoringSubsonic/sonic/ultrasonic wave measurementVibration amplitudeData acquisition
The invention relates to the technical field of intelligent equipment, in particular to monitoring equipment and a vibration abnormality judgment method. The monitoring equipment comprises a vibrationsensor, a processor, a data communication assembly and a power supply assembly. The vibration sensor, the data communication assembly and the power supply assembly are connected with the processor. The vibration sensor is used for collecting vibration information in real time, and the vibration information comprises vibration speed and / or acceleration. The processor is used for calculating the vibration amplitude according to the vibration information collected by the vibration sensor. The data communication assembly sends the vibration amplitude to the server, and the server judges whether the monitoring equipment is abnormal or not according to the received vibration amplitude. The problems that in the prior art, vibration waveforms need to be transmitted to a server, the data collection amount is large, power consumption is large, and resources consumed for transmission are large are solved, and the effects that the data collection amount and the power consumption of monitoring equipment and the resources consumed for transmission can be reduced are achieved.
Owner:国动信息技术研究院(江苏)有限公司
Data collection method for syringe and syringe capable of automatically collecting scale data
ActiveCN108201646AEffectively determine the dose scaleReduce the difficulty of implementationInfusion syringesMedical devicesData informationData acquisition
The invention relates to the technical field of medical apparatuses and instruments and discloses a data collection method for a syringe. The method includes the following steps of providing a first component and a second component which can move relative to each other and generate scale information in the syringe; arranging multiple permanent magnets on the first component at intervals, and arranging at least one Hall sensor on the second component; driving the first component and the second component to move relative to each other, and using the permanent magnets for triggering the Hall sensors to calculate triggering frequency; adopting a microprocessor for generating the scale data according to the triggering frequency. By adopting the triggering frequency of the Hall sensors as recognition information for obtaining the scale data of the dosage of the syringe and forming electronic data information, more convenience is provided for users to store and track the data. The invention also provides the syringe capable of achieving automatic collection and electronization of the scale data of the dosage and providing convenience for the users to store and track the data.
Owner:SUNSHINE LAKE PHARM CO LTD
A consistent networking method based on isa100.11a standard
ActiveCN108093496BReduce the amount of data collectedLow costNetwork topologiesData switching networksSystems managementGrid network
The invention discloses a consistent networking method based on an ISA100.11a standard. The method comprises the steps of ignoring function difference of all wireless devices, carrying out collectionand statistics on single-hop wireless communication quality of a whole grid network topology through a system manager and taking the single-hop wireless communication quality as point-to-point weightin the topology; evaluating the weight and generating unconnected complex network topology graphs; forming a fully-connected new graph through utilization of a backbone router and the unconnected complex network topology graphs of all wireless devices; marking the weight of all added sides starting from the backbone router as 1; solving the minimum spanning tree by taking the backbone router as aroot node; extracting the out-degree of the root node of the minimum spanning tree, setting the out-degree as K, wherein the least number of trees contained by the unconnected complex network topologygraphs is equal to a K value, obtaining all nodes directly connected with the root node from the minimum spanning tree, and taking the nodes as the nodes of routing devices, thereby realizing the consistent networking. According to the method, the connection of a whole wireless sensor network can be realized with the least number of routers.
Owner:XI AN JIAOTONG UNIV
System and method for real-time acquisition and processing of vehicle data based on kettle
ActiveCN110427504BReduce loadReduce data processing loadImage enhancementDetails involving processing stepsIn vehicleTrunking
Owner:中汽数据(天津)有限公司
Log collection method and device, terminal equipment and storage medium
PendingCN114138733AImprove user experienceReduce the amount of data collectedTransmissionSpecial data processing applicationsComputer hardwareHash function
The invention relates to the technical field of computers, and discloses a log collection method, which comprises the following steps of: obtaining corresponding user behavior data according to an interaction behavior of a user; mapping the user behavior data to corresponding k bits in a bit element sequence through k hash functions, and generating a target bit sequence corresponding to the user behavior data, k being a positive integer greater than or equal to 1; under the condition that all the corresponding k bits in the bit element sequence are first data elements, the target bit sequence serves as behavior log data to be compressed and uploaded to a server, and the first data elements are binary elements. The terminal equipment provided by the invention can realize quick, low-storage and efficient network transmission log collection. The invention further discloses a user behavior log collection device, terminal equipment and a storage medium.
Owner:QINGDAO HAIER TECH +1
Collection method of failure analysis data of port machinery
ActiveCN107655668BAvoid misjudgmentImprove stabilityMachine part testingMachine learningFault analysisCollection methods
The invention reveals a collection method for fault analysis data of a harbor machine, and the method comprises the following steps: setting a collection time duration t0 before an abnormality and a collection time duration t1 after the abnormality, wherein the abnormality is a time point t when a fault code is detected; setting the sampling period; carrying out the sampling of the operation dataof the harbor machine according to the sampling period; detecting the fault code, and recording the time point t when the fault code is detected; extracting the data from the sampled data from a moment t-t0 to a moment t+t1, and enabling the data to serve as fault collection data; transmitting the fault collection data to a fault analysis server; enabling the fault analysis server to input the fault collection data into the fault analysis model for learning and training, so as to update the fault analysis model; adjusting the collection time duration t0 before the abnormality and the collection time duration t1 after the abnormality according to the updated fault analysis model, and repeatedly carrying out the above process according to the adjusted collection time duration t0 before the abnormality and the adjusted collection time duration t1 after the abnormality.
Owner:SHANGHAI ZHENHUA HEAVY IND
Slope leveling method, device and equipment based on GNSS single-antenna satellite
ActiveCN111504267AReduce the number of collectionsReduce the amount of data collectedElectric/magnetic roughness/irregularity measurementsHeight/levelling measurementRemote sensingPhysics
The invention discloses a slope shaping method based on a GNSS single-antenna satellite. The method comprises the steps of: receiving plane coordinate information of a starting collection point and plane coordinate information of an end point collection point, receiving steepness information of a slope to be measured, wherein the extension direction of a straight line determined by the starting collection point and the end point collection point is the same as the projection of the extension direction of the slope to be measured on the horizontal plane; determining a reference equation; determining a vertical line equation; obtaining plane coordinate information of a facade reckoning point; and determining a slope equation according to the plane coordinate information of an initial acquisition point, the plane coordinate information of an end point acquisition point, the plane coordinate information of the facade reckoning point and the steepness information, and carrying out slope preparation. According to the invention, the process is simplified, and the requirement of measurement on a GNSS system is reduced. The invention further provides a slope shaping method, device and equipment based on the GNSS single-antenna satellite and a computer readable storage medium, wherein the slope shaping method, device and equipment have the advantages.
Owner:SHANGHAI ALLYNAV TECH CO LTD
Method and device for signal compression transmission and storage device thereof
InactiveCN107277042BReduced sampling timeReduce the amount of data collectedCode conversionTransmissionComputer hardwareEngineering
The invention provides a method, a module and a device for signal compression transmission and a storage device. The method for signal compression transmission comprises the steps that a signal collection device collects an original signal; a signal compression device compresses the original signal to obtain a compressed signal; a signal transmission device transmits the compressed signal; a signal reception device receives the compressed signal and transmits the received compressed signal to a signal reconstruction device; and the signal reconstruction device decompresses the compressed signal in a reverse manner to obtain the original signal. The module for signal compression transmission comprises a signal collection module, a signal compression module, a signal transmission module, a signal reception module, a signal reconstruction module and the storage device. The device for signal compression transmission comprises the signal collection device, the signal compression device, the signal transmission device, the signal reception device, the signal reconstruction device and the storage device. The modules and the devices realize the method for signal compression transmission. By introduction of an M-B measurement matrix, the collecting time and the collecting amount are not only reduced greatly, but also high-quality reconstruction of the original signal at a terminal can be realized.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)
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