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46results about How to "The comparison is accurate" patented technology
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Method and system for acquiring website test data
InactiveCN102004781AImprove comparabilityAvoid problems with large variances in visitor numbersSpecial data processing applicationsWeb siteClient-side
The invention discloses a method for acquiring website test data, which comprises the following steps of: receiving a request for downloading webpage resources corresponding to an address of a website, wherein the address of the website corresponds to a plurality of sets of webpage resources; according to the preset allocation rule, selecting a set of webpage resource for a user from the plurality of sets of webpage resources; returning the selected webpage resource to ensure that the webpage resource is displayed through a webpage in a browser of a client; and recording the browsing behavior of the user in the webpage, and determining corresponding data to be the website test data. The test data acquired by the method has high comparability; and when the acquired test data is used for comparing various schemes, acquired comparison results are more accurate.
Owner:BEIJING KUWO TECH
Method and system for acquiring test data of website
InactiveCN107957938AImprove comparabilityThe comparison is accurateSoftware testing/debuggingWebsite content managementClient-sideDistribution rule
The invention relates to a method and a system for acquiring test data of a website. The method comprises the steps of receiving a request for downloading a webpage resource corresponding to a websiteaddress by a website server, wherein the website address corresponds to a plurality of sets of webpage resources; selecting one set of webpage resources from the plurality of sets of webpage resources for a user according to a preset distribution rule; returning the selected webpage resources so as to display the webpage resources in a webpage in a browser of a client; and recording a browsing behavior of the user in the webpage, and determining the corresponding data into the test data of the website. According to the method and the system for acquiring the test data of the website, one website corresponds to the plurality of sets of test webpage resources; the server selects the webpage resources for the user according to the distribution rule so as to avoid the problem of great difference of visitor counts in each set of scheme; the original scheme and a comparison scheme can be simultaneously tested in the same environment, the obtained test data have relatively high comparabilityand an obtained comparison result is more accurate.
Owner:BEIJING KUWO TECH
High-accuracy phase frequency detector
InactiveCN103312318AThe comparison is accurateThe output is accuratePulse automatic controlWave shapePhase frequency detector
The invention discloses a high-accuracy phase frequency detector, which comprises a basic phase frequency detection unit and a rapid locking unit, wherein the basic phase frequency detection unit can be used for realizing detection of two input waveform frequencies and phases; and the rapid locking unit can be used for increasing the accuracy of the phase frequency detector. When two input waveform frequencies and phases of the phase frequency detector are consistent, the rapid locking unit does not work, and two paths of outputs of the phase frequency detector are at low levels; when two input waveform frequencies or phases of the phase frequency detector are inconsistent, the rising edge of one input waveform comes to turn corresponding output to a high level immediately, and the other output is kept at a low level; and when the rising edge of the other input waveform comes, the rapid locking unit starts working, and two outputs turn to low levels once again. The high-accuracy phase frequency detector is compact in structure, and has small phase frequency detection errors and low resource consumption.
Owner:ZHEJIANG UNIV
Single-server-model-based secure outsourcing method of sequence comparison algorithm, user terminal, and server
InactiveCN107592298ASafe storageComputationally efficientEncryption apparatus with shift registers/memoriesCiphertextCloud service provider
The invention relates to a single-server-model-based secure outsourcing method of a sequence comparison algorithm, a user terminal, and a server. The method is applied between a terminal user and a cloud service provider. The terminal user is responsible for encrypting a genome sequence before outsourcing; the cloud service provider uses a single cloud server to perform a sequence comparison algorithm directly on a ciphertext genome sequence in a non-interactive manner; and the returned ciphertext comparison result is decrypted by the terminal user. The user terminal mainly involves core service modules like an encryption module, a filling module, a division module, an expansion module, a decryption module and a filtering module. Therefore, secure outsourcing of a sequence comparison algorithm is realized only by using a single cloud server, so that the genetic data controlled by the user are stored reliable and the collusion-resistant ciphertext sequence is calculated efficiently.
Owner:UNIVERSITY OF CHINESE ACADEMY OF SCIENCES
Interest list pushing system based on heterogeneous information network
ActiveCN112532755APush implementationEasy to filterDigital data information retrievalTransmissionTime informationComputer network
The invention relates to an interest list pushing system based on a heterogeneous information network, and the system comprises an obtaining module which is used for obtaining the login information and keyword information of a user; an establishing module which is used for establishing an information matrix I according to the login information of the user; a determining module which is used for determining an interest list of a current user according to the information matrix and the login information; a pushing module which is used for pushing the interest list to the second user; a central processing unit which is connected with the obtaining module, the establishing module, the determining module and the pushing module and used for adjusting real-time information in the interest list inthe determining module according to an information matrix in the establishing module and pushing the interest list of the first user to the second user, In addition, due to the fact that the pushinginformation received by the second user can obtain the list which the second user is interested in, screening and filtering of the information by the user are facilitated, and the information spreading efficiency is improved.
Owner:广州锐竞信息科技有限责任公司
Improved voltage comparator
ActiveCN108334148AThe comparison is accurateHigh output voltage accuracyElectric variable regulationAudio power amplifierVoltage source
The invention provides a voltage comparator. The voltage comparator comprises a band-gap reference voltage power circuit and a comparison unit, wherein the band-gap reference voltage power circuit provides band-gap reference voltage; the first input end of the comparison unit receives the band-gap reference voltage, the second input end of the comparison unit is connected with target voltage, andthe output end of the comparison unit outputs a comparison result. The band-gap reference voltage power circuit comprises an operational amplifier, a third resistor, a first intermediate node, a second intermediate node, a sampling switch, a first capacitor, a filter, a reference voltage output end, a switch combination circuit, N bipolar transistors and a control circuit. In different time periods, the switch combination circuit enables the N bipolar transistors to be connected to the second intermediate node one by one, and the remaining bipolar transistors are connected to the first intermediate node in parallel; through rotation, mismatch between the bipolar transistors can be averaged, then higher output voltage precision can be realized, and the voltage comparator can output a more accurate comparison result.
Owner:NANJING ZGMICRO CO LTD
Memorizer programming verification method and programming verification apparatus
InactiveCN105097030AReduce leakage currentGuaranteed accuracyRead-only memoriesComputer architecturePower flow
The invention provides a memorizer programming verification method and a programming verification apparatus so as to solve the problem that a programming verification result is not accurate. The method comprises sending a data reading instruction executing programming verification, wherein the data reading instruction is used to read data from a selected storage unit; reading the instruction according to data, wherein a voltage generation module of a memorizer provides a preset positive voltage for the selected storage unit and provides a preset negative voltage for other storage units which are at a bit line same to that of the selected storage unit, so that leakage current of the other storage unit is reduced; reading actual current of the bit line through a reading amplifier of the memorizer; and comparing the actual current with preset current, and determining whether programming verification of the selected storage unit is successful according to the comparison result. According to the technical scheme, leakage current of the other storage units is reduced, the actual current on the bit line is relatively close to the current generated by the selected storage unit, and accuracy of programming verification is guaranteed.
Owner:GIGADEVICE SEMICON (BEIJING) INC
Antenna array calibration method and system
ActiveCN103117786AHigh precisionThe comparison is accurateSpatial transmit diversityDigital signal processingComputer science
The invention discloses an antenna array calibration method and a system. The problem of data distortion in background technology can be solved. The antenna array calibration method comprises the steps of receiving calibration information from a digital signal processor (DSP) in a radio frame, wherein the calibration information comprises an average power value of a calibration sequence, a known symbolic number where the calibration sequence lies and known calibration enable signals; calculating and obtaining the average power value of the calibration sequence by the DSP according to all data of the known calibration sequence; searching a calibration sequence in a second radio frame according to the symbolic number where the known calibration sequence lies and the known calibration enable signals and comparing the received average power value of the calibration sequence of the searched calibration sequence with known target gain; and regulating the gain according to the comparative result and completing antenna array calibration. The antenna array calibration method and the system improve the precision of the average power value of the calibration sequence, and avoid the condition of data distortion and the influence on the calibration sequence after a compression algorithm is introduced.
Owner:DATANG MOBILE COMM EQUIP CO LTD
Smoke generation system for calibrating accuracy of low concentration particle test method
PendingCN108007836AMeet testing needsShorten the development cycleParticle suspension analysisParticulatesEngineering
The invention discloses a smoke generation system for calibrating accuracy of a low concentration particle test method. The smoke generation system comprises a simulation smoke flue, a dust feed device for feeding dust to the simulation smoke flue, an air supply device for supplying air to the simulation smoke flue, a humidification device for supplying steam to the simulation smoke flue, an acidadding device for supplying mixed acid to the simulation smoke flue, and a heating device for supplying heat to the simulation smoke flue, wherein the wall surface of the simulation smoke flue is provided with test holes, and parameters of smoke in the simulation smoke flue are detected by using the test holes. The smoke generation system can effectively save the cost of the low concentration particle test method and shorten the development cycle of the low concentration particle test method. Moreover, the dust feed device comprises a feed rod, a sleeve sheathed on the feed rod, and a first drive part driving the feed rod to rotate, the sleeve has an end plane vertical to the axis of the sleeve, one end of the feed rod is provided with a smooth rod and the other part is provided with a threaded rod, the end surface of the smooth rod is flush with the end plane of the sleeve, and the dust feed device can feed dust uniformly.
Owner:FUJIAN LONGKING
Superregenerative receiver and signal processing method for superregenerative receiver
The invention provides a superregenerative receiver which is characterized by comprising a gain-variable low-noise amplifier, a superregenerative oscillator, an envelope detector and an RSSI (received signal strength indicator) detection circuit, wherein the superregenerative oscillator is connected with the low-noise amplifier and is used for oscillating an output signal of the low-noise amplifier; the envelope detector is connected with the superregenerative oscillator and is used for demoldulating an output signal of the superregenerative oscillator; the RSSI detection circuit is connected with the envelop detector and is used for detecting the signal intensity of an output signal of the envelop detector and sending the signal intensity to the low-noise amplifier. The low-noise amplifier in the superregenerative receiver provided by the invention can perform gain amplification according to the intensity of the received signal, and a comparison result is accurate.
Owner:HANGZHOU VANGO TECH
Single tube learning amplifier circuit
ActiveCN103092240BThe comparison is accurateAdjustable load resistor savesNon-electrical signal transmission systemsElectric variable regulationElectrical resistance and conductanceElectrical battery
The invention provides a single-tube learning amplifying circuit which comprises a micro control unit and an infrared receiving network. The micro control unit includes a power supply monitoring module and an adjustable loading resistor, wherein the power supply monitoring module is connected to a working voltage in an inputted mode, the power supply monitoring module is connected to a core processor in an inputted mode, one end of the adjustable loading resistor is connected to the working voltage, and the other end of the adjustable loading resistor is connected to a comparator negative terminal input port. According to the single-tube learning amplifying circuit, the problem of learning performance decline, caused by the fact that a remote control battery level is reduced, can be markedly improved, and therefore learning effect on the condition of a low voltage can be ensured, and cost of production and products is effectively reduced.
Owner:HANGZHOU SILAN MICROELECTRONICS
Temperature detecting circuit and implanted medical device using the same
PendingCN109960304AReduce energy consumptionThe comparison is accurateElectric variable regulationReference currentControl signal
The invention discloses a temperature detecting circuit comprising a temperature sensing circuit for acquiring a temperature voltage, a reference current generating circuit for acquiring a reference current with a temperature coefficient of zero, a trimming circuit for carrying out proportion-based mirror image trimming on the reference current to obtain a trimming current, a voltage generating circuit for generating a quasi-voltage and a threshold voltage corresponding to a first threshold temperature, and a comparing circuit. The comparing circuit is used for comparing the temperature voltage with the threshold voltage, outputting a first control signal when the temperature voltage is greater than the threshold voltage, and outputting a second control signal if the temperature voltage isless than or equal to the threshold voltage. According to the temperature detecting circuit provided by the invention, after generation of the reference current with the adjustable temperature coefficient, the trimming circuit and the voltage generating circuit are used for carrying out proportion-based mirror imaging on the reference current to a reference voltage circuit and a threshold voltagecircuit so as to generate a reference voltage and a threshold voltage that are not affected by the temperature change. Therefore, the comparison result of the comparison circuit is more accurate andpower consumption of the entire circuit is also reduced.
Owner:SCENERAY
De-jittering control method for LED light source and circuit thereof
ActiveCN102487568AReduce flickerReduce jitterElectric light circuit arrangementControl circuitComputer science
The invention relates to a de-jittering control method for an LED light source. The method comprises the following steps that: S1, multi-time sampling is carried out on output voltage values of an LED light source according to a predetermined sampling time interval so as to obtain a plurality of sampling values; variation value removing and averaging processing is carried out on the plurality of sampling values so as to obtain an average sampling value; S2, the average sampling value and a set value are compared to obtain a comparison result; and S3, a duty ratio of a PWM circuit is determined according to the comparison result, wherein the PWM circuit is used for adjusting currents of the LED light source. In addition, the invention also relates to a de-jittering control circuit for an LED light source. According to the de-jittering control method for an LED light source and a circuit thereof in the invention, variation value removing and averaging processing is carried out on multi-time sampling values, so that frequency for adjusting currents of an LED light source is reduced; therefore, up-and-down fluctuation of current values around a set value can be reduced on the basis that constant current drive of the LED light source is not influenced, so that tiny flashing and slight jittering of light intensity of the LED light source can be reduced.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1
Article loss prevention method, loss prevention device and terminal equipment
ActiveCN107730845ASmall fluctuationCounteract signal interferenceAlarmsUltrasound attenuationReceived signal strength indication
The invention is applicable to the technical field of communication, and provides an article loss prevention method, a loss prevention device and terminal equipment. The method comprises steps: the current RSSI (Received Signal Strength Indication) value of loss-prevention main equipment is acquired; the acquired RSSI value is filtered; according to the filtered RSSI value, a dynamic RSSI threshold is generated; the filtered RSSI value is compared with the dynamic RSSI threshold; and if the filtered RSSI value is smaller than the dynamic RSSI threshold, the RSSI value acquired in a preset timeperiod is subjected to continuous attenuation analysis, and alarming indication is given when the continuous attenuation analysis result meets an alarming condition. Through the above method, the accuracy of the given alarming indication can be improved.
Owner:QIANHAI R GUARDIAN SHENZHEN TECH CO LTD
Intelligent training method for action skills of teenager athletes
PendingCN113869263AThe comparison is accurateAvoid interferenceCharacter and pattern recognitionAdolescent athletesPhysical medicine and rehabilitation
The invention provides an excellent athlete technical data-based classification modeling and teenager athlete movement skill intelligent classification training method, namely, an intelligent training method for teenager athlete movement skill, which realizes classification and accurate evaluation of teenager athlete technical characteristics, and provides an intelligent training method for subsequent personalized training. Accurate data support is provided, and the individuation and the scientific and technological level of sports skill learning are improved. Similarity comparison is conducted on the key technical parameter curves of the young athletes and the excellent athletes, compared with a traditional method for comparing key technical parameters at certain time points, the method is more comprehensive and reliable, whether the parameters are time-space dependent parameters or not is distinguished, and the comparison result is more accurate.
Owner:武汉中体智美科技有限公司 +1
Single-tube learning amplifying circuit
ActiveCN103092240AThe comparison is accurateAdjustable load resistor savesNon-electrical signal transmission systemsElectric variable regulationElectrical resistance and conductanceRemote control
The invention provides a single-tube learning amplifying circuit which comprises a micro control unit and an infrared receiving network. The micro control unit includes a power supply monitoring module and an adjustable loading resistor, wherein the power supply monitoring module is connected to a working voltage in an inputted mode, the power supply monitoring module is connected to a core processor in an inputted mode, one end of the adjustable loading resistor is connected to the working voltage, and the other end of the adjustable loading resistor is connected to a comparator negative terminal input port. According to the single-tube learning amplifying circuit, the problem of learning performance decline, caused by the fact that a remote control battery level is reduced, can be markedly improved, and therefore learning effect on the condition of a low voltage can be ensured, and cost of production and products is effectively reduced.
Owner:HANGZHOU SILAN MICROELECTRONICS
Voltage comparator
ActiveCN111064453ALow working voltageThe comparison is accurateMultiple input and output pulse circuitsLevel shiftingAverage current
The embodiment of the invention provides a voltage comparator. The voltage comparator includes a reference circuit providing a reference output voltage; and a comparison unit, wherein the first inputend of the comparison unit receives the reference output voltage, the second input end of the comparison unit is connected with target voltage, and the output end of the comparison unit outputs a comparison result. The reference circuit comprises a voltage generation unit, an approximate zero temperature coefficient current source unit and a level shifting unit. The approximate zero temperature coefficient current source unit comprises a negative feedback voltage regulation unit, an average current unit, a first positive temperature coefficient current unit, a first negative temperature coefficient voltage unit, a first negative temperature coefficient current unit, a second negative temperature coefficient voltage unit and a second negative temperature coefficient current unit. Zero temperature coefficient can be realized by designing the resistance ratio of the first negative temperature coefficient current unit to the second negative temperature coefficient current unit; by designing the voltage on the current sharing unit, a smaller power supply working voltage can be realized.
Owner:NANJING ZGMICRO CO LTD
Multi-version parallel upgrading control method and system
ActiveCN105302595AShorten the timeEnsure consistencyProgram loading/initiatingUpgradeSoftware engineering
The invention discloses a multi-version parallel upgrading control method comprising steps that a server receives a version upgrading request sent by a client; current version information related to the client and carried in the version upgrading request is read; an upgraded version stored in the server is matched with the current version information of the client to acquire at least one upgraded version; according to upgraded version numbers, clients with the same number as the clients requiring upgrade are selected to be a sample of each upgraded version; the selected number is named as a start margin of each sample; upgrade available margin of each sample is determined in parallel; and when enough sample upgrade margin exists, a corresponding upgraded version and related upgrading information are returned to the client giving the request in the sample. Multi-versions can be upgraded at the same time; and linear increase of version upgrading time can be avoided, so version upgrading time can be shortened.
Owner:BEIJING BAOFENG TECH
Heartbeat detection method and detection device based on dynamic baseline database
InactiveCN109717857AThe output signal is stableThe comparison is accurateMeasuring/recording heart/pulse rateHuman bodyHeartbeat detection
The invention provides a heartbeat detection method and detection device based on a dynamic baseline database. The detection method comprises the steps of obtaining a human body heartbeat signal through a crystal oscillator, treating the heartbeat signal, obtaining a sampling signal from the obtained heartbeat signal, calculating out a heartbeat baseline signal through the sampling signal, and comparing the heartbeat baseline signal with the obtained heartbeat signal. The detection device comprises a circuit system which consists of a heartbeat sensor, a signal processing module, a sampling module, a central processing unit and a comparator through connection. When the technical scheme provided by the invention is adopted, a corresponding dynamic heartbeat baseline signal is established according to the physical condition of each independent human body, an accurate heartbeat signal comparing result is obtained, erroneous judgment is reduced, and the detection precision is improved. Inaddition, through the detection device, the intensity and the signal-noise ratio of the heartbeat signal are increased, harm to the human bodies is reduced, and the operation is convenient.
Owner:贵州骏江实业有限公司
Tag storage bit readout comparison circuit and tag data readout comparison circuit
The embodiment of the invention discloses a tag storage bit reading comparison circuit and a tag data reading comparison circuit. The tag storage bit reading comparison circuit comprises an address bit data reading circuit, a target address bit signal input circuit connected with the address bit data reading circuit, and a bit comparison circuit connected with the address bit data reading circuitand the target address bit signal input circuit respectively. According to the technical scheme provided by the embodiment of the invention, the data reading and comparing speed of the tag memory canbe improved.
Owner:CHENGDU HAIGUANG INTEGRATED CIRCUIT DESIGN CO LTD
A kind of spiking neural network neuron circuit based on lif model
ActiveCN112465134BRealize the refractory period featureControl output pulse frequencyNeural architecturesPhysical realisationNeural network systemNetworked system
The invention claims protection of a pulse neural network neuron circuit based on a LIF (Leaky Integrate and Fire) model, which belongs to the field of integrated circuit design. The circuit mainly includes: a membrane potential accumulation circuit, a leakage circuit, a pulse generation circuit, a refractory period circuit and a reset circuit. The invention not only realizes the integral leakage ignition function of the LIF neuron model, but also simulates the refractory period characteristic of the biological neuron, wherein the refractory period is adjustable. The present invention is based on CMOS technology, the circuit structure is simple, and the sub-threshold region MOS tube is mostly used in the circuit, so that the neuron circuit has ultra-low power consumption characteristics; the input current of the circuit is pA level, and the output pulse frequency is Hz level, which can be very good It simulates the typical working state of biological neurons, effectively realizes the functions of neurons, and can be used to realize large-scale spiking neural network systems.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
An antenna array calibration method and system
ActiveCN103117786BHigh precisionThe comparison is accurateSpatial transmit diversityDigital signal processingComputer science
The invention discloses an antenna array calibration method and a system. The problem of data distortion in background technology can be solved. The antenna array calibration method comprises the steps of receiving calibration information from a digital signal processor (DSP) in a radio frame, wherein the calibration information comprises an average power value of a calibration sequence, a known symbolic number where the calibration sequence lies and known calibration enable signals; calculating and obtaining the average power value of the calibration sequence by the DSP according to all data of the known calibration sequence; searching a calibration sequence in a second radio frame according to the symbolic number where the known calibration sequence lies and the known calibration enable signals and comparing the received average power value of the calibration sequence of the searched calibration sequence with known target gain; and regulating the gain according to the comparative result and completing antenna array calibration. The antenna array calibration method and the system improve the precision of the average power value of the calibration sequence, and avoid the condition of data distortion and the influence on the calibration sequence after a compression algorithm is introduced.
Owner:DATANG MOBILE COMM EQUIP CO LTD
Method and system for realizing high-resolution analog-to-digital conversion by low-resolution ADC (Analog to Digital Converter)
InactiveCN102223491BIncrease transfer rateLower latencyTelevision system detailsColor television detailsCcd cameraAnalog-to-digital converter
The invention relates to a method and a system for realizing high-resolution analog-to-digital conversion by a low-resolution ADC (Analog to Digital Converter), which aim at a CCD (Charge-coupled Device) camera. The method comprises the following steps: carrying out subsequent preprocessing on a CCD analog signal generated by an FPA (Focusing Plane Assembly); amplifying a CCD analog video signal after the preprocessing to obtain an amplified video signal; carrying out analog-to-digital conversion on the amplified video signal to obtain a low-bit ADC quantization result; and converting the low-bit quantization result into high-bit quantization result. The invention provides the method and the system for realizing high-resolution analog-to-digital conversion by the low-resolution ADC, whichaim to the CCD camera, and have small delay, high transmission ratio, strong anti-interference capability, high SNR (Signal to Noise Ratio) and wide application range.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
Release and multi-version upgrade method and system
Owner:BEIJING BAOFENG TECH
Signal acquisition method and device having multi-channel signal acquisition
ActiveCN104157126AQuick collectionFast scanningElectric signal transmission systemsAnalog signalComputer science
The invention provides a signal acquisition method and a device having multi-channel signal acquisition. An analogue signal, which is amplified through a signal amplification module, is acquired through an MCU module. A compared digital signal is obtained through a signal comparison module. An acquisition manner of combination between a digital signal and the analogue signal is achieved so that a problem that only the digital signal is acquired and an analogue semaphore cannot be obtained is avoided. Rapid acquisition of a digital circuit and complete acquisition of the analogue signal are both achieved and are fully combined with each other. The method is applied in infrared touching and can increase a scanning speed of the infrared touching so that convenience in production is greatly improved.
Owner:GUANGZHOU HUAXIN ELECTRONICS TECH
A method of collecting signals and a device with multi-channel signal collection
ActiveCN104157126BQuick collectionFast scanningElectric signal transmission systemsAnalog signalComputer science
The present invention provides a method for collecting signals and a device with multi-channel signal collection, wherein the MCU module first collects the analog signal amplified by the signal amplification module, and then obtains the compared digital signal through the signal comparison module, thus realizing the The combination of digital signal and analog signal acquisition method avoids the single acquisition of digital signal and the inability to know the amount of analog signal. The rapid acquisition of digital circuits and the complete acquisition of analog signals are fully combined and applied to infrared touch, which improves the scanning speed of infrared touch and greatly improves the convenience of production.
Owner:GUANGZHOU HUAXIN ELECTRONICS TECH
A multi-version parallel upgrade control method and system
ActiveCN105302595BShorten the timeEnsure consistencySoftware deploymentSoftware engineeringClient-side
The invention discloses a multi-version parallel upgrading control method comprising steps that a server receives a version upgrading request sent by a client; current version information related to the client and carried in the version upgrading request is read; an upgraded version stored in the server is matched with the current version information of the client to acquire at least one upgraded version; according to upgraded version numbers, clients with the same number as the clients requiring upgrade are selected to be a sample of each upgraded version; the selected number is named as a start margin of each sample; upgrade available margin of each sample is determined in parallel; and when enough sample upgrade margin exists, a corresponding upgraded version and related upgrading information are returned to the client giving the request in the sample. Multi-versions can be upgraded at the same time; and linear increase of version upgrading time can be avoided, so version upgrading time can be shortened.
Owner:BEIJING BAOFENG TECH
A current comparator and comparison method for correction of current steering digital-to-analog converter
ActiveCN109286398BThe comparison is accurateAnalogue/digital conversion calibration/testingCapacitanceDigital analog converter
The invention discloses a current comparator and a comparison method for correcting a current steering digital-to-analog converter, which are applied to a high-speed and high-precision current steering analog-to-digital converter, and relate to a current comparison method. The current comparison of the current steering DAC is realized through a set of additional resistors and capacitors, without a separate current comparator, making the circuit simpler and the comparison result more accurate.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
How to use the results and systems of multi -level intact monitoring results
ActiveCN112904387BPositioning results are smoothThe solution result is reasonableSatellite radio beaconingAutomatic controlPositioning technology
The present application relates to positioning technology, and discloses a method and system for using multi-level integrity monitoring results. The method includes: obtaining the continuous multi-level integrity monitoring results of a certain satellite or a certain correction number, and for any two consecutive integrity monitoring results, if the integrity monitoring result of the latter level is "alarm", and the former level is in good condition If the integrity monitoring result is not "alarm", the satellite or the correction number after the weight reduction is used to participate in the positioning calculation within the effective time of the next-level integrity monitoring result. The embodiments of the present application effectively weaken the jumping problem of the positioning result, which is beneficial to the application of the positioning result in the field of automatic control.
Owner:QIANXUN SPATIAL INTELLIGENCE INC
Internet of Things monitoring and early warning equipment
ActiveCN112233377ATimely and effective treatmentReduce accidentsDiagnostic recording/measuringSensorsThird partyWireless transmission
The invention relates to Internet of Things monitoring and early warning equipment. The equipment comprises an infrared induction module, a storage module, a comparison module, an alarm module, a wireless transmission module, a receiving module and a voice playing module, wherein the storage module is connected with the infrared induction module; the comparison module is connected with the storagemodule, standard body temperature data is set in the comparison module, and a comparison result is obtained according to the body temperature data in the storage module and the standard body temperature data; the alarm module is connected with the comparison module, and when the comparison result is abnormal, the alarm module sends an alarm instruction; the wireless transmission module is connected with the alarm module and transmits the alarm instruction to a third-party network platform; the receiving module is connected with the wireless transmission module; and the voice playing module isconnected with the receiving module, and when the infrared induction module monitors the personnel, professional suggestions are played in a voice mode. Supervision and checking are not needed, and manpower supervision is liberated.
Owner:上海慰宁健康管理咨询有限公司
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