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303 results about "Data stability" patented technology
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Apparatus and System for Providing Energy Information
InactiveUS20160187864A1Improve data stabilityRemove the burdenLevel controlPayment architectureCloud baseCloud data
The present invention relates to an apparatus for providing energy information, including: an energy information input unit configured to receive energy information for each device extracted from combined energy information according to a classification of the device using collected energy-related information; an energy information processing unit configured to generate energy use information of the device by using the energy information for each device; and an energy information transmitting unit configured to transmit the generated energy use information to a user terminal According to the present invention, it is possible to improve data stability by processing and managing cloud data by an energy information provider, and continuously improve performance through an upgrade of software and a database. Furthermore, it is possible to eliminate burden of initial investment and maintenance costs for all other devices and equipment to a user in addition to an energy monitoring device, and it is also possible to reduce the burden of learning expert knowledge on big data processing and information interpretation and of having separate permanent managing personnel by allowing cloud-based energy information management by professionals.
Owner:ENCORED TECH
Loadless NMOS four transistor dynamic dual Vt SRAM cell
ActiveUS6920061B2Improve performanceHighly integrated semiconductor memorySolid-state devicesRead-only memoriesData accessEngineering
Owner:GLOBALFOUNDRIES U S INC
Double star formation control closed loop testing system and method under whole start condition
ActiveCN107544467AGuaranteed stabilityGuaranteed continuityElectric testing/monitoringRadio frequencyData stability
The invention provides a double star formation control closed loop testing system and method under the whole start condition. The system comprises an attitude and orbit control computer, a star sensor, a gyroscope combination, a reaction flywheel, a magnetorquer, a valve line box, a comprehensive electronic management unit, a concomitant star GNSS receiver, a primary star GNSS receiver, a GPS guide star analog module, a BD guide star analog module, a radio frequency modulation module, a navigation simulator upper computer, an orbital dynamics module, an attitude dynamics module, a signal acquisition module, and an electrical signal source module, wherein the attitude and orbit control computer is connected with the star sensor and the gyroscope combination through a universal serial bus. The system has the advantages of being high in real-time performance, high in data stability, good in adaptability and the like, and the problem of loop formation control closed loop testing of physical products on stars is solved.
Owner:SHANGHAI SATELLITE ENG INST
Method for compensating luminance- and chroma-differences between subareas during LED display screen subarea correction
ActiveCN105405392AThe display effect is consistentSolve the problem of inconsistent display effectStatic indicating devicesLED displayComputer science
The invention relates to a method for compensating luminance- and chroma-differences between subareas during LED display screen subarea correction. According to the method, the luminance values and the chroma values of various subareas can be adjusted according to an integrated area (or a public area), and the differences between corrected subareas can be retained, and therefore the display effects of various corrected subareas tend to be uniform, and then the problem of different display effects of various corrected subareas caused by the difference between the luminance mean value and the chroma mean value of the subareas and the actual luminance value and the actual chroma value, which is caused by the shooting angle, the camera distance, the data stability, and other factors, can be solved.
Owner:XIAN NOVASTAR TECH
Stress monitoring sensor and method for connecting bolt of fiber bragg grating structure
ActiveCN104089729AReal-time monitoring of force statusReduce volumeForce measurement by measuring optical property variationGratingEngineering
The invention relates to the field of civil engineering technology, in particular to a stress monitoring sensor for a connecting bolt of a fiber bragg grating structure and a method. The stress monitoring sensor comprises a plain bolt, implanted grating type force measurement sensors and optical fiber outgoing lines. Slender grooves are formed in the left side and the right side of a screw rod of the plain bolt, the minitype grating type sensors are implanted in the grooves respectively, signals are led out of built-in optical fibers, and the optical fibers are closely attached to the screw rod wall in layout, penetrate through small holes formed in corresponding positions of a screw cap and then are led out of the top surface of the screw cap. The optical fiber outgoing lines can be lengthened at will, so a fiber bragg grating type demodulation device can be conveniently adopted to read data of the sensors remotely, and stress states of the connecting bolt of the fiber bragg grating structure are remotely monitored in real time. The built-in stress monitoring sensor has the advantages of being small in size, waterproof, resistant to corrosion, good in electric insulation property, high in anti-electromagnetic interference capacity, basically the same as the plain bolt after being tooled in appearance, convenient to install, capable of adapting to complex environments and remote signal transmission, good in data stability and capable of achieving remote long-term monitoring.
Owner:SHANGHAI RES INST OF BUILDING SCI CO LTD
Photon counting Raman spectrometer capable of realizing full spectrum direct-reading performance
ActiveCN102435315ALow detection limitHigh sensitivityRadiation pyrometrySpectrometry/spectrophotometry/monochromatorsInformation processingBeam splitting
The invention provides a photon counting Raman spectrometer capable of realizing full spectrum direct-reading performance. The Raman spectrometer is mainly composed of a laser, a beam splitting system, a photon counting imaging detector, and information processing and display. The laser outputs laser to excite a sample to generate a characteristic Raman spectrometer; the beam splitting system carries out dispersion on incident composite light containing the characteristic Raman spectrometer so as to form a spectral intensity distribution image; on the basis of the position sensing detection and photon counting, photon counting imaging detector reconstructs a spectral intensity distribution image in a digitlization mode; and the information processing and display carries out a qualitative quantitative analysis on a sample according to positions and light intensity of all pixels in the digital spectral intensity distribution image. According to the invention, advantages of a photon counting property and a full spectrum direct-reading property are combined; therefore, advantages of low detecting limit, high reading precision, good data stability and large linear dynamic range are realized; and moreover, a plurality of substance components can be analyzed simultaneously; all spectral lines in a working wavelength range can be fully utilized; the working speed is fast; the structure is simple; and the operation stability is good.
Owner:深圳世绘林科技有限公司
Anti-lateral seepage asphalt pavement water seepage device with constant-pressure variable head and method
ActiveCN106769774AEliminate the effects ofAvoid influencePermeability/surface area analysisWater conservationWater dischargePavement engineering
Owner:ENG DETECTION & REINFORCING CO LTD OF HENAN PROVINCIAL COMM PLANNING SURVEY & DESIGN INST CO LTD +1
Printer chip, ink box and storage allocation method for printer chip
ActiveCN105346256AImplement full re-entryExtended service lifeMemory architecture accessing/allocationInternal/peripheral component protectionElectricityCommunication unit
The invention belongs to the field of ink-jet printing and particularly relates to a printer chip, an ink box and a storage allocation method for the printer chip. According to the technical scheme, the printer chip comprises a chip control circuit, a data storage unit for storing data, and a communication unit for being communicated with a printer; the storage unit and the communication unit are electrically connected with the chip control circuit; and the data storage unit comprises authorization flag bits, and the data storage unit is arranged in a non-authorized state and an authorized state through the authorization flag bits according to different numerical values. The authorization flag bits and authorization verification matched with the authorization flag bits are additionally arranged, chip data can be covered, read and written again and used normally on the basis of guaranteeing data stability and reliability, and the service life of the printer chip is prolonged.
Owner:HANGZHOU CHIPJET TECH
Method for detecting data aggregation judgment by foundation pile sound wave transmission method
InactiveCN101226170ASure reasonableEliminate subjective arbitrarinessAnalysing solids using sonic/ultrasonic/infrasonic wavesFoundation testingEconomic benefitsData aggregator
The invention relates to a foundation pile sound wave transmission method detection data comprehensive evaluation method, which is characterized in that (1), using dual-edge low-high value removing method to calculate sound parameter abnormal judgment critical value, comprehensively considering the normal ranges of the sound speed critical value and concrete sound speed of probability method, according to the bias degrees of the sound parameter detection value and the abnormal judgment critical value, making defect degree judgment standard, (2), using a sound test line to replace general test point to describe the sound parameters of sound wave transmission method, according to the physical character of different sound parameters and the data stability, making a standard for comprehensively evaluating the completeness classification of each sound test line in a detection section, (3), using the pile section as basic judgment unit to combine the completeness of each sound test line on the section to judge the completeness of each section, to evaluate completeness classification at the point of whole pile. The invention can effectively improve the objectiveness and scientific property of detection data analysis and processing, save material and human resource and improve significant social and economic benefits.
Owner:GUANGDONG CONSTR ENG GRP +1
Loadless NMOS four transistor dynamic dual Vt SRAM cell
ActiveUS20050047196A1Increase heightImprove performanceSolid-state devicesRead-only memoriesData accessEngineering
Loadless 4T SRAM cells, and methods for operating such SRAM cells, which can provide highly integrated semiconductor memory devices while providing increased performance with respect to data stability and increased I / O speed for data access operations. A loadless 4T SRAM cell comprises a pair of access transistors and a pair of pull-down transistors, all of which are implemented as N-channel transistors (NFETs or NMOSFETS). The access transistors have lower threshold voltages than the pull-down transistors, which enables the SRAM cell to effectively maintain a logic “1” potential during standby. The pull-down transistors have larger channel widths as compared to the access transistors, which enables the SRAM cell to effectively maintain a logic “0” potential at a given storage node during a read operation. A method is implemented for dynamically adjusting the threshold voltages of the transistors of activated memory cells during an access operation to thereby increase the read current or performance of the accessed memory cells.
Owner:GLOBALFOUNDRIES US INC
Block management method, memory controller and memory storage device thereof
ActiveUS20130111301A1Reduce situationImprove data stabilityStatic storageRedundant data error correctionComputer moduleMemory controller
A block management method for managing physical blocks of a rewritable non-volatile memory module, and a memory controller and a memory storage device using the same are provided. The method includes maintaining an error information table for recording one or more error correctable physical blocks among the physical blocks and an error bit number corresponding to the one or more error correctable physical blocks. The method further includes selecting a physical block for writing data according to the one or more error correctable physical blocks and the error bit number thereof recorded in the error information table. Accordingly, the data stability of the memory storage device can be improved.
Owner:PHISON ELECTRONICS
Personalized traffic information service system with man and vehicle collaboration and method
ActiveCN105070089AAutomatically play voice promptsImprove experienceRoad vehicles traffic controlPersonalizationCloud systems
The present invention discloses a personalized traffic information service system with man and vehicle collaboration and a method. The system comprises a traffic information service cloud system, an intelligent terminal, a bus stop electronic tag for the unique identification of a bus stop installed in the bus stop, and a vehicle electronic tag which is installed in a bus and is used for the unique identification of the bus. The intelligent terminal is wirelessly connected to the vehicle electronic tag and the bus stop electronic tag respectively. The intelligent terminal is wirelessly connected to the traffic information service cloud system. According to the system, a traveler can use the intelligent terminal to collect the information of a bus and a bus stop, combined with the traffic real-time data of the traffic information service cloud system, personalized traffic information service is provided for a user, the user experience is good, the degree of intelligence is high, the investment cost is low, the data stability is good, the data reliability is high, and he system can be widely applied to the transport industry.
Owner:GUANGZHOU HUATU INFORMATION TECH
Data preserving method and data accessing method for non-volatile memory
ActiveUS8051339B2Improve data stabilityData augmentationError detection/correctionCode conversionData accessError correcting
Owner:ITE TECH INC
System and method of helping visually impaired people take urban public buses
ActiveCN105139642AHigh degree of intelligenceImprove reliabilityControl with pedestrian guidance indicatorSpecial data processing applicationsVisually impairedReal-time data
The invention discloses a system and method of helping visually impaired people take urban public buses. The system includes a smart cloud platform, a vehicle blind guide terminal, a smart cell phone, a vehicle label for only identification of a public bus, and a bus station label for only identification of a public bus station. The vehicle blind guide terminal and the vehicle label are both mounted on a public bus. The bus station label is mounted at a public bus station. The smart cell phone is in wireless connection to the vehicle blind guide terminal, the vehicle label and the bus station label, and is also in wireless connection to the smart cloud platform. The smart cell phone is adopted to read and broadcast information about public buses and bus stations, and information about public buses are broadcast by the vehicle blind guide terminal by combining with public bus real-time data stored in the smart cloud platform, so visually impaired people are guided to take public buses. The system and method are high in intelligentization and low in investment and cost, exhibit good data stability and high reliability, and can be widely applied to bus-taking assistance industries.
Owner:GUANGZHOU HUATU INFORMATION TECH
Method for transmitting network data
ActiveUS20100098033A1Guarantee the stability of data transmissionSmooth transferError prevention/detection by using return channelTime-division multiplexNetwork codeBroadband
A method for transmitting network data is provided. A sender and receivers can stably transmit and receive data using a packet reception result report request frame and a packet reception result report frame, and data stability at the receivers can be improved through retransmission of network-coded data. In addition, service can be provided at a high transfer rate and with good data stability by adjusting a transfer rate according to a network environment using adaptive transfer rate control.The method allows data to be stably transmitted in a wireless network environment. Data stability can be guaranteed and a high transfer rate can be provided by adjusting a data transfer rate to achieve only moderate loss. In a wireless network environment, multimedia data such as video data can be broadcasted at a high transfer rate and with good data transmission stability. Accordingly, services needing a wide bandwidth like video conversation service, and requiring simultaneous transmission of data to several users in a wireless network environment, can be effectively supported.
Owner:FOUND OF SOONGSIL UNIV IND COOP
Method and system for detecting linearity and rigidity of bridges and tunnels on basis of fiber-optic gyroscope technology
ActiveCN102661716AEasy to catchShort test cycleStructural/machines measurementUsing optical meansComputational physicsData stability
The invention provides a method and a system for detecting the linearity and the rigidity of bridges and tunnels on the basis of a fiber-optic gyroscope technology. The method comprises the steps that a linear detecting and walking device moves on the inner surface of a bridge or tunnel structure being detected; data detected by a fiber-optic gyroscope and a linear velocity sensor are algorithmically processed; and a motion trajectory of the device, namely a trajectory in a gravity direction of the bridge structure being detected and a trajectory along the trend of the tunnel or in the circumferential direction of the cross section of the tunnel, is obtained through calculating the data according to a formula. The data are corrected on the basis of a data stability judging and abnormal value eliminating algorithm, a reverse correcting algorithm of position information of datum points and reference points and a structural overall large deformation and surface local small deformation filtering algorithm, so as to obtain a local small deformation rejecting curve for analyzing the rigidity of the bridge and the tunnel. The method and the system are used for ascertaining local damages of bridge structures and tunnel structures and detecting the trajectory of global deformation in the vertical direction of the bridges and along the trend and multiple cross sections of the tunnels. Compared with a traditional method for detecting the linearity of the bridges and the tunnels, the method provided by the invention has the advantages of short test cycle, high maneuverability, low cost, high precision and high data coherence.
Owner:WUHAN UNIV OF TECH
Health information system
InactiveCN102663661AImprove stabilityAvoid business impactMedical communicationData processing applicationsData managementData exchange
The invention discloses a health information system, which belongs to the field of data management. The system provided by the invention comprises at least a medical institution server, a front-end processor, two or more than two data gateways and a data exchange platform; wherein the at least one medical institution server is used for sending medical data to the front-end processor; the front-end process is used for receiving the medical data sent from the at least one medical institution server, obtaining a destination data gateway from the two or more than two data gateways and sending the medical data to the destination data gateway; the two or more than two data gateways are used for receiving the medical data and sending the medical data to the data exchange platform; and the data exchange platform is used for processing the received medical data. According to the invention, influence on service due to congestion of one data gateway when the service is busy or influence on service due to fault of the front-end process of a medical institution is avoided, so that the data stability is improved, and normal medical service can be ensured.
Owner:HUAWEI TECH CO LTD
Spectral analysis method based on photon counting full spectrum direct reading
InactiveCN102353450ALow detection limitHigh sensitivitySpectrum investigationInformation processingHigh Readings
The invention provides a spectral analysis method based on photon counting full spectrum direct reading. The spectral analysis method comprises the following steps of: generating a characteristic spectrum to be observed by a sample under the action of an excitation source; making multiplex light mingled with the characteristic spectrum incident into a light splitting system through an incident optical device; chromatically dispersing the incident multiplex light into a monochromatic spectral image by the light splitting system; imaging the spectral image on a sensitive face of a photon counting imaging detector; reconstructing the spectral image by the photon counting imaging detector in a digitalized manner through position sensitive detection and photon counting; and qualitatively and quantitatively analyzing the sample by an information processing and displaying unit according to the position of each pixel in the digital spectral image and signal intensity. The spectral analysis method provided by the invention has the advantages of low detection limit, high reading precision, high data stability, large linear dynamic range and the like, and can be used for realizing full spectrum direct reading, that is to say, a plurality of substance components can be analyzed at the same time, each spectral line in a working wavelength range can be fully utilized, the working speed is high, and corresponding instruments have the characteristics of simple structure, high operating stability, low production and operating cost, convenience for upgrading and debugging, and the like.
Owner:SHENZHEN SHIJI TIANYUAN ENVIRONMENTAL PROTECTION TECH +1
Recyclable waste collection system based on a mobile device
InactiveCN105488574ALow costEasy to useSustainable waste treatmentInstrumentsCollection systemWaste collection
The invention discloses a recyclable waste collection system based on a mobile device. The recyclable waste collection system comprises an administrator module, a user module, an employee module and a system database. The recyclable waste collection system disclosed by the invention is operated on a mobile phone, and a user can release information at any time and any place, so the recyclable waste collection system is used conveniently; the Baidu map function is integrated to automatically describe and intuitively embody the coordinate of the user on the map according to the address of the user, so as to help a purchaser to quickly find the specific purchase address; the management range of a saleman is planned to avoid the saleman repeatedly recycling or delaying to allocate the task; and cloud storage and local backup are supported, thereby guaranteeing the data stability and reducing the background operation cost of the system.
Owner:FUJIAN UNIV OF TECH
Method for processing data of flash memory equipment
InactiveCN101231617ASimplify the logical address mapping relationshipExtended service lifeMemory adressing/allocation/relocationRead-only memoriesData stabilityLogic mapping
The invention provides a data processing method for a flash memory device. The method comprises the following steps that: step S102, the flash memory device is scanned during the initialization, a logical block queue group and a spare empty physical block queue are established in a host computer, the logical block queue group is formed by queues composed of physical blocks with the same logical block number, and the spare empty physical block queue is composed of physical blocks with empty data spaces, in which data can be written; step S 104, the corresponding logical block queue group is searched by utilizing the logical block number according to the logical order of an upper-level system, the physical blocks in the logical block queue group are scanned, and the data in the flash memorydevice is processed by dint of the spare empty physical block queue according to the scanning result. Through the technical proposal of the invention, the logical mapping relation is simplified, the efficiency is improved, the data stability is ensured, and the service life of the flash memory is prolonged.
Owner:ZTE CORP
Backup method and backup device of database
InactiveCN105468475AImprove recovery efficiencyEnsure continuous data stabilityRedundant operation error correctionData synchronizationData operations
The invention provides a backup method of a database. The backup method comprises the following steps: when a data synchronization request of a master database is received, analyzing a data operation command in the data synchronization request, executing the data operation command, recording information corresponding to the data operation command in a synchronization log, and backing up the synchronization log of a slave database into a local disk at a preset backup frequency to generate a backup log. A placing order backup mode of data in the slave database is established, the backup log of the local disk can be used for realizing quick data recovery of the slave database, data recovery efficiency is greatly improved so as to guarantee the sustained data stability of the slave database, and continuity service is provided for front-end service.
Owner:BEIJING QIHOO TECH CO LTD +1
Color recognition method and system
ActiveCN106683140AImprove data stabilityImprove accuracyImage analysisMachine visionColor recognition
The invention belongs to the technical field of machine vision and provides a color recognition method and system. The method is characterized in that the normalization color data of a target pixel point relative to a reference background is calculated, the correlation between the color value of the target pixel point and the color value of each standard sample in multiple pre-stored standard samples is calculated according to the normalization color data of the target pixel point and the normalization color data of the multiple pre-stored standard samples, and selecting the color value, with the highest correlation with the color value of the target pixel point, of the standard sample to serve as the real color value of the target pixel point. By the color recognition method, the color value of a target substance can be recognized in a good data stability, high accuracy and low cost manner.
Owner:SHENZHEN WAYHO TECH
Data preserving method and data accessing method for non-volatile memory
ActiveUS20090125764A1Improve data stabilityData augmentationError detection/correctionCode conversionData accessData stability
A data preserving method and a data accessing method for a non-volatile memory are provided. In the data preserving method, a data is checked according to an error correcting code (ECC) to obtain an error bit number of the data. When the error bit number is greater than a threshold, the data is moved from a first memory unit to a second memory unit and is corrected according to the ECC. Thereby, the data stability of the non-volatile memory is improved.
Owner:ITE TECH INC
A message processing method and device realized by Redis and MySQL
ActiveCN109445965AImplement asynchronous communicationImprove securityDatabase management systemsInterprogram communicationComputer hardwareMessage queue
The invention provides a method for asynchronously processing messages based on two databases, namely Redis and MySQL and an electronic device. The method comprises the following steps of storing thegenerated message in a message queue of a Redis database; using the Redis database to preprocess the message queue; using the application system to extract a message from a message queue of the Redisdatabase, wherein the extracted message is stored in a MySQL database; using the application system to call a message processing interface to process the message; and if the message processing is completed, deleting the extracted message stored in the MySQL. The method not only can provide higher message response speed, but also has higher data stability and safety.
Owner:北京明朝万达科技股份有限公司
Wearable heart rate and respiration monitoring device and method and intelligent top
InactiveCN106943129ASimple monitoring structureImprove protectionDiagnostic recording/measuringSensorsElectricityMeasurement device
The invention relates to a human heart rate and respiration measurement device, in particular to a device for continuously measuring heart rate and respiration and providing records and data treatment. The invention discloses a wearable heart rate and respiration monitoring device. The wearable heart rate and respiration monitoring device comprises a heart rate signal acquiring unit, a respiration signal acquiring unit, a signal processing unit, a signal converting unit and a data transmitting unit, wherein heart rate data are acquired through a piezoelectric film sensor, respiration data are acquired through elastic deformation of a double-side protruding structure, and the piezoelectric film sensor is located on the outer surface of the double-side protruding structure and used for making contact with skin. The monitoring device can monitor heart rate and respiration at the same time and is simple, data stability is high, and cardiovascular diseases can be effectively prevented.
Owner:SHENZHEN SAIYI TECH DEV
Contact resistance measuring system and method based on voltage-frequency conversion method
InactiveCN102707153AStrong data stabilityImprove accuracyResistance/reactance/impedenceElectrical resistance and conductanceFrequency conversion
Owner:HARBIN INST OF TECH
Harmful gas sampling method for automotive interior parts
InactiveCN103424292AImprove accuracyAccurately predict contributionWithdrawing sample devicesOperabilityEngineering
The invention discloses a harmful gas sampling method for automotive interior parts. The method includes the steps of extracting samples, putting the samples in a testing bag, collecting harmful gas and the like. The method has the advantages of high operability, high reliability, test data stability and high reproducibility; through integral sampling of an automotive interior part assembly, the defects of big test data differences caused by point replacing surface, difficulty in sampling of parts made of complex materials, and the like are overcome effectively, and contribution of harmful gas content in single parts to a finished automobile can be predicated accurately so as to effectively instruct interior air quality improvement of the finished automobile.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
Portable multi-function turntable test system based on wireless transmission
InactiveCN101893687AImprove reliabilityEliminate adverse effects of stationarityWork measurementTorque measurementWireless transmissionWireless data
The invention discloses a portable multi-function turntable test system based on wireless transmission, which mainly solves the problems of high cost, complicated structure and poor test data stability of the traditional slip ring system. The system comprises an upper computer (13), a controller (14), a drive motor (4), a turntable (15) and a data transmission system, wherein the data transmission system comprises a wireless data acquisition and transmitting module (10) and a wireless data receiving and processing module (12), the wireless data acquisition and transmitting module (10) is used for acquiring and processing the test data of the turntable and transmitting the test data in a wireless mode; and the wireless data receiving and processing module (12) is used for receiving the test data transmitted by the wireless data acquisition and transmitting module (10), carrying out level conversion on the test data and then transmitting to the upper computer (13) for processing, displaying and storing. The system has the advantages of reliable test data, simple structure, light weight and convenient maintenance, and can be used for the performance and reliability tests of various devices, especially various sensors.
Owner:XIDIAN UNIV
Small-signal filtering algorithm used for wide-range energy meter
ActiveCN102346218ASensitivity priorityPriority smoothnessElectrical measurementsResponse sensitivityElectricity
The invention discloses a small-signal filtering algorithm used for a wide-range energy meter, which aims at a working mode of a metering management main control unit (MCU) and a metering chip. The small-signal filtering algorithm comprises the following steps: (1) reading each piece of electricity parameter data from the metering chip at the fixed time interval by the metering management MCU; (2) judging whether an electricity parameter input signal is less than a small-signal judgment threshold value, and if yes, filtering the electricity parameter data by the following algorithm. Extremelysmall metering management MCU resource is occupied by the algorithm disclosed by the invention; all basic electricity parameter signals which are input to the metering management MCU from the metering chip are dynamically filtered; and the process of filtering can be dynamically implemented according to the small-signal vibration characteristic tendency. The small-signal filtering algorithm also can comprise a step of automatically regulating a filtering coefficient, and a filtering result is quickly followed up when the signal is quickly changed so as to ensure that the response sensitivity is prior. When a signal tends to be stable and fluctuates nearby a certain fixed numerical value, data stability is guaranteed to be prior.
Owner:ZHUHAI ZHONGHUI MICROELECTRONICS
Human posture comparison method based on Kinect skeletal node position tracking
The invention particularly relates to a human gesture comparison method based on Kinect bone node position tracking, which mainly solves the shortcomings of data stability and data real-time in the prior bone node position positioning and user gesture comparison methods. The invention firstly saves a batch of data close to the time by using a dynamic frame number replacement algorithm, as the datasource of node filtering, then, the improved median filtering algorithm is used to filter and predict the adaptive intercepted data, and the stable and real-time filtering points are outputted to calculate the bone angle and the bone vector product angle of the user. Finally, the bone angle and the bone vector product angle are smoothed as the basis of evaluating the user's action. This method issuitable for filtering and smoothing the time-dependent continuous variable, tracking the user's posture in virtual reality games, and monitoring and measuring the dynamic change of device angle in engineering.
Owner:ZHONGBEI UNIV
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