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105results about How to "The verification result is accurate" patented technology

Intelligent logistics device and intelligent logistics system

The invention provides an intelligent logistics device and an intelligent logistics system. The device comprises a self-assisted cabinet (including grids provided with cabinet doors and electric control locks) for storing expresses, a control module, a wireless communication module and a barcode scanning module, wherein the device is accessed to a background server of a logistics company through the wireless communication module of the control module, so that data communication with the background server of the logistics company is realized. Verification barcode information is acquired by the barcode scanning module and the verification barcode information is verified through the control module, so that the step of telephone communication between the sender and the receiver is canceled in virtue of the manner that the verification barcode information is verified through the barcode scanning module and the control module, and the efficiency is improved; the verification result is more accurate and potential unsafe factors are avoided, so that the family privacy of the receiver is protected well. The device and system are relatively wide in applicability, and are suitable for express companies as well as persons and companies besides the express companies, so that the person-to-person logistics demand is expanded.
Owner:潘雄辉

Game battle verification method, system and server side

The invention discloses a game battle verification method comprising the following steps: receiving a game battle instruction from a client side; checking a battle value of a first battle party and a battle value of a second battle party according to a first battle party mark and a second battle party mark, returning the value to the client side, and enabling the client side to generate a battle logic code and a first battle result; receiving the battle logic code and the first battle result sent by the client side, executing value settling according to the battle value of the battle logic code against the first battle party and he battle value of the battle logic code against the second battle party, thus generating a second battle result; verifying the first and second battle results according to a preset verification standard, and sending corresponding information to the client side according to the verification result. The invention also discloses a game battle verification system and a server side. The battle can be completely verified on the server side, thus preventing user cheating gains, and ensuring balance of the whole game.
Owner:NETEASE (HANGZHOU) NETWORK CO LTD

Checking method of BIM model

The invention provides a checking method of a BIM model. The checking method includes the steps of firstly, building a BIM standard data module; secondly, reading the attribute information of BIM model elements to form a first data list, and reading all the attribute information in the BIM standard data model to form a second data list; thirdly, matching the attribute information in the first data list and second data list, performing the fourth step is the matching succeeds, and performing the fifth step if the matching fails; fourthly, performing a conformity check, outputting information that the elements conform to standards if all the elements conform to the standards, and ending the checking; performing the fifth step if elements not conforming to the standards exist; fifthly, outputting information that elements not conforming to the standards exist, feeding a checking result back to the BIM model, displaying the elements not conforming to the BIM technical standards, and ending the checking. By the checking method, automatic checking of the BIM model can be achieved, and high checking efficiency and accurate checking result are achieved.
Owner:GUANGZHOU METRO DESIGN & RES INST

ELF file release method, ELF file verification method, server and terminal

The invention discloses an ELF file release method, an ELF file verification method, a server and a terminal, and belongs to the technical field of the Internet. The server splices a first hash valueobtained by performing hash calculation on an ELF file with description information to obtain a spliced character string, encrypts the ELF file and the spliced character string to obtain signature information, generates a signature file and releases the signature file. As the released signature file is generated according to the whole ELF file, after obtaining the signature file released by the server, the terminal can verify the whole ELF file, so that the verification result is more accurate and is independent from the verification mode based on byte encryption and decryption, no matter thesystem of the terminal supports the byte encryption and decryption or not, the terminal can verify the ELF file, so that the adaptability is better. In addition, by means of the description information in the signature file, the terminal can also perform upgraded verification on the ELF file stored in a local memory, thereby enriching the verification contents.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Electric quantity data storage method for electric energy meter

The invention relates to an electric quantity data storage method for an electric energy meter. The method is characterized by comparing a check code obtained through calculation with an initial check code pre-stored in a nonvolatile memory when the electric energy meter is energized; and when the electric energy meter is not energized, verifying and storing the current electric quantity data, and performing accumulative updating for the electric quantity data during the operation process of the electric energy meter, and also verifying the electric quantity data during every process for storing the updated electric quantity data, thus guaranteeing the accuracy of the electric quantity data. Besides, the electric quantity data storage method also utilizes the nonvolatile memory to store and back up the electric quantity data at regular intervals, thus preventing loss of data and being more reliable in storage.
Owner:NINGBO SANXING MEDICAL & ELECTRIC CO LTD

Terminal authenticity verification method, apparatus and system

The invention provides a terminal authenticity verification method, apparatus and system. The method comprises the following steps: receiving a verification request sent by a client and containing feature information of a to-be-tested terminal; performing authenticity verification on the feature information of the to-be-tested terminal according to a preset feature information model, and determining a first verification result of the to-be-tested terminal, wherein the first verification result is that the terminal is a genuine terminal or a pirated terminal, and the preset feature information model is a classifier, which is obtained by training a training sample set composed of the feature information and category results of a plurality of terminals, and is used for distinguishing the genuine terminal from the pirated terminal according to the feature information; and feeding back the first verification result to the client. Therefore, by adoption of the terminal authenticity verification method, apparatus and system provided by the invention, no matter the to-be-tested terminal is a terminal in which batch, the verification result of the terminal can be determined accurately by using the preset feature information model.
Owner:ALIBABA GRP HLDG LTD

GPS module positioning effectiveness verifying method and device

The invention discloses a method and device for verifying the effectiveness of GPS module positioning, comprising: acquiring satellite positioning information, the satellite positioning information including at least four effective positioning satellites and the numbers of each effective positioning satellite; acquiring the effective positioning satellites Carrier-to-noise ratio; determine whether the carrier-to-noise ratio is between 30 and 65; if the carrier-to-noise ratio is between 30 and 65, then determine that the GPS module positioning is valid. The invention realizes simpler and more accurate verification of the positioning validity of the GPS module.
Owner:高新兴物联科技股份有限公司

Precision evaluation method and system for remote sensing estimation of surface sensible heat/latent heat flux

The invention discloses a precision evaluation method and system for remote sensing estimation of surface sensible heat / latent heat flux. The method comprises the following steps: S1, observing the surface by a surface flux observation instrument to obtain reference surface sensible heat / latent heat flux data, and obtaining remote sensing surface sensible heat / latent heat flux data from a remote sensing product; S2, creating a Footprint model by data obtained by the surface flux observation instrument in the step S1, setting footprint grid resolution, working out the Footprint model to obtain a flux-source area for observing the surface sensible heat / latent heat flux, and performing normalization computing to obtain the flux contribution rate of each footprint grid; S3, performing weighted average calculation to obtain a remote sensing estimation value; S4, comparing the remote sensing estimation value with the actual measurement value of the ground. According to the method, the remote sensing product is subjected to precision evaluation by the observation value of a ground instrument, so that the precision and reliability of the remote sensing product can be guaranteed and the reliance of a user on the remote sensing product can be improved.
Owner:CHONGQING SURVEY INST +2

Fast response and support method for out-of-cabin in-orbit maintenance ground of spacecraft cabin

InactiveCN107255938AThe simulation verification method is simple and economicalThe verification result is accurateSimulator controlOrbitResponse capacity
The method provides a fast response and support method for the out-of-cabin in-orbit maintenance ground of a spacecraft cabin. The method comprises the steps of (1) providing a maintenance plan of the out-of-cabin fault equipment, wherein the maintenance plan comprises a maintenance transfer path, a maintenance operation process and a human-computer work efficiency evaluation standard; (2) establishing a three-dimensional model of a spacecraft cabin body, simulating the layout of all equipment outside the spacecraft cabin body, simulating and verifying the maintenance transfer path, judging whether the transfer path is blocked by external equipment or not; (3) testing and verifying the maintenance operation, recording the operation torque and the operation time; (4) judging whether the operation moment and the operation time conform to the human-computer work efficiency evaluation standard specified in the maintenance plan or not; (5) determining a maintenance scheme available for the out-of-cabin in-orbit maintenance of astronauts. Based on the method, the out-of-cabin equipment maintenance scheme of an in-orbit burst fault can be quickly determined. Therefore, the fast response capability within one hour can be realized. Moreover, the economical efficiency is excellent. The rapid verification problem of the large-mass external maintenance of a space station can be solved.
Owner:BEIJING SPACE TECH RES & TEST CENT

Vector-matching based automatic mutual verification method of multiple sensors on satellite

ActiveCN105539883AReliable matching methodRealize mutual verificationCosmonautic vehiclesSpacecraft guiding apparatusSun sensorAngular velocity
The invention provides a method for automatically conducting mutual verification through measured output information of multiple posture sensors on a satellite, by the adoption of the method in the in-orbit operation period of the satellite, correctness of output of all posture sensors can be verified automatically, and it is guaranteed that the satellite obtains correct posture measurement information. The multi-sensor mutual verification method includes the following steps that 1, effectiveness self-judgment is conducted on output data of all the posture sensors; 2, mutual verification is conducted on multiple satellite sensors through an optical axis vector matching method; 3, mutual verification is conducted on the satellite sensors and a sun sensor through a sun vector matching method; 4, mutual verification is conducted on the satellite sensors and an earth sensor through a geocentric vector matching method; 5, mutual verification is conducted on the satellite sensors and a gyroscope through a angular velocity vector matching method; 6, mutual verification is conducted on the satellite sensors and the sun sensor through a sun and earth included angle matching method. By means of the method, the sensor with the correct output can be verified.
Owner:INNOVATION ACAD FOR MICROSATELLITES OF CAS

Operation result verification method and device, storage medium and electronic device

The invention discloses an operation result verification method and device, a storage medium and an electronic device. The method includes recording an operation performed by a current account in a game after starting the game on a client; obtaining a first operation result and an operation behavior queue at the end of the game; sending the operation behavior queue and the first operation result to the server, wherein the server is used for verifying the first operation result according to the operation behavior queue and the first operation result to obtain a verification result; obtaining the verification result returned by the server and determining whether the first operation result is valid according to the verification result. The technical problem in the prior art of low accuracy inverifying the operation result in the game is solved.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Contract sensitive word verification method and device based on artificial intelligence and storage medium

The invention relates to an artificial intelligence technology, and discloses a contract sensitive word verification method based on artificial intelligence. The contract sensitive word verification method comprises the steps of obtaining a contract text data set, and performing preprocessing operation on the contract text data set to obtain a numerical vector contract word set; according to a pre-constructed contract sensitive word information base, dividing sensitive word hazard levels of words in the numerical vector contract word set; and matching the contract text input by the user through a matching algorithm based on the division of the hazard levels of the sensitive words until the matched sensitive words reach a preset hazard level, stopping matching, completing sensitive word verification of the contract text, and re-editing the contract text. The invention further provides a contract sensitive word verification device based on artificial intelligence and a computer readablestorage medium. The contract sensitive word verification method realizes accurate inspection of the contract sensitive words.
Owner:PING AN TECH (SHENZHEN) CO LTD

Region-related network marketing activity test method and device

PendingCN108427638AEffective data coverageEffective situationSoftware testing/debuggingTransmissionData synchronizationHigh effectiveness
The invention discloses a region-related network marketing activity test method. The method is characterized by comprising the following steps of: obtaining a region-related network marketing activityto be simulated and verified; obtaining online data related to the region-related network marketing activity and a location of a test activity according to the network marketing activity; synchronizing the online data to an offline database where the test activity is located, so as to obtain an offline environment; in the offline environment, operating a test case of the region-related network marketing activity in an offline manner through a local server at the location of the test activity; and obtaining test data of the test case. According to the method, data coverage and boundary condition test are effectively carried out through a manner of synchronizing data from online to allopatric offline, so that the verification cost is reduced, and the condition that high-efficiency test cannot be carried out when local manual configuration has errors is avoided; and through a manner of operating the local server under a virtual environment, the verification result is more correct.
Owner:KOUBEI SHANGHAI INFORMATION TECH CO LTD

Checking platform of breather valve

The invention belongs to a detecting and checking device for discharging and inhaling performances of breather valves of storage tanks of products for petroleum, chemical engineering and the like, and particularly discloses a checking platform of a breather valve. The checking platform comprises a checking console and a mounting and clamping platform, wherein the checking console comprises an air source, a vacuum pump, a slow compression tank, a flow meter A, a flow meter B, a flow meter C, a positive and negative pressure gauge and a vent valve; both the air source and the vacuum pump are connected to the slow compression tank; the air source is also connected to the mounting and clamping platform; the mounting and clamping platform is provided with a to-be-checked breather valve; the input end of the to-be-checked breather valve is connected to the slow compression tank; the positive and negative pressure gauge is connected between the to-be-checked breather valve and the slow compression tank; the vent valve is between the slow compression tank and the positive and negative pressure gauge; and the flow meter A, the flow meter B and the flow meter C are connected in parallel between the vent valve and the positive and negative pressure gauge. The checking platform of the breather valve has the advantages of a wide checking drift diameter range, a wide checking pressure range, an exact checking result and the like, and is satisfied with the American checking standard and checking process requirements on the breather valve.
Owner:BEIJING AEROSPACE PROPULSION INST

Method for quickly searching and comparing fingerprint data by using multidimensional technology

The invention discloses a method for quickly searching and comparing fingerprint data by using a multidimensional technology, and relates to the fingerprint verification technology. A fingerprint data storage, query and verification method in a multidimensional way is adopted, which mainly comprises three aspects: storing multidimensional fingerprint data, searching the multidimensional fingerprint data, and verifying the multidimensional fingerprint data. According to the method for quickly searching and comparing the fingerprint data by using the multidimensional technology provided by the invention, the fingerprint data volume can be reduced, and the storage capacity and network transmission speed can be reduced; the index way is more flexible, the index efficiency is higher, and the result is more precise; the verification speed is substantially improved and the verification result is more accurate, so that the retrieval work of large-scale fingerprint data can be greatly optimized.
Owner:INSPUR FINANCIAL INFORMATION TECH CO LTD

Data tamper-proofing method and system

InactiveCN106570423APrevent Collision AttacksStop falsified dataDigital data protectionTamper resistanceThird party
The invention discloses a data tamper-proofing method comprising the following steps of after original data information is segmented before sending, hashing the segmented information by using a pre-stored hash function to acquire an original data information verification string; synchronously sending the original data and the original data information verification string when in sending, synchronously receiving the sent data information and original data information verification string when in receiving; after the data information and the original data information verification string are received, segmenting the received data information, and then hashing the segmented information by using the pre-stored hash function to acquire a received data information verification string; and judging whether the received data information verification string is accordant with the original data information verification string by comparison, if yes, determining that the received data information is not tampered, and otherwise, determining that the received data information is tampered. The invention also provides a data tamper-proofing system. According to the method and the system provided by the invention, the difficulty of tampering the data by a third party is greatly increased, a collision attack from the third party with the aid of a rainbow table is effectively prevented, data falsification of a user is prevented, and data transmission security is ensured.
Owner:PHICOMM (SHANGHAI) CO LTD

Improved POA consensus method suitable for multi-party verification in supply chain scene

ActiveCN114124410AImprove efficiencyImprove the efficiency of multi-party verificationUser identity/authority verificationEngineeringConsensus
The invention discloses an improved POA consensus method suitable for multi-party verification in a supply chain scene. The improved POA consensus method comprises the steps of submitting data and selecting verification nodes; performing fragmentation + PBFT consensus processing based on the submitted data, and reserving an authorized node and a standby node; taking the remaining authorized nodes as main nodes of each fragment, fragmenting common nodes with verification capability by using a fragmentation algorithm, and performing Byzantine consensus; and judging the block attribution of the Byzantine consensus result of each fragment. According to the multi-party verification method, the mode that the user autonomously selects the verification node is adopted to improve the efficiency, and while the multi-party verification efficiency is improved, it can be guaranteed that the user can obtain a correct verification result even if the user buys the selected verification node.
Owner:上海华能电子商务有限公司 +1

Specimen for pure II type dynamic breaking and experiment method

The invention discloses a specimen for pure II type dynamic breaking and an experiment method. A specimen and a clamp are respectively of an axis symmetric structure; the specimen is provided with a loading end and two support ends; the two sides of the loading end of the specimen are provided with two prefabricated cracks; a circular pipe is arranged at one end of the clamp, the inner diameter ofthe circular pipe is the same with the outer diameter of a transmission rod, and the circular pipe can be tightly sheathed on the transmission rod; the other end of the clamp is provided with two grooves, the grooves are matched with the support ends of the specimen, and the support ends can be tightly inserted into the grooves; one end of an incident rod is provided with a groove, the shape of the groove is matched with the shape of the loading end, and the loading end can be tightly inserted into the groove; a stress curve of the rod is obtained by a Hopkinson press rod technique, and is inputted to perform number simulation and calculation. The specimen has the beneficial effects that the method is simple, and the verification result is accurate.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Vehicle transmission system verification method, vehicle and readable storage medium

The invention discloses a vehicle transmission system verification method, a vehicle and a readable storage medium, and the method comprises the steps: obtaining a vehicle driving parameter, and judging whether the vehicle driving parameter meets a preset verification state or not; if the vehicle driving parameters meet the preset verification state, obtaining the current motor rotating speed, andcalculating the actual vehicle speed rotating speed ratio according to the current motor rotating speed and the current vehicle speed; judging whether the actual vehicle speed-to-rotation speed ratiois within a preset vehicle speed-to-rotation speed ratio range or not; and if the actual vehicle speed-to-rotation speed ratio is not within the preset vehicle speed-to-rotation speed ratio range, generating verification error prompt information and updating the verification state to be verified. Whether software and hardware of a vehicle transmission system are matched is automatically checked by judging whether the actual vehicle speed-to-rotation speed ratio is within the preset vehicle speed-to-rotation speed ratio range.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD

Experimental device for momentum conservation energy transformation

The application discloses an experimental device for momentum conservation energy transformation. The experimental device comprises a first experiment platform, a second experiment platform, an angle adjusting component, a first sliding block and a second sliding block, wherein the angle adjusting component comprises a first fixing plate, a second fixing plate and a rotating shaft; the first fixing plate is connected with the second fixing plate through the rotating shaft; the first fixing plate is used for fixing the first experiment platform and the second fixing plate is used for fixing the second experiment platform; the first experiment platform and the second fixing plate rotate along the rotating shaft to form an included angle of 0 to 180 degrees; a speed transmitter, a communication component and a power supply are arranged in each of the first sliding block and the second sliding block; each speed transmitter is electrically connected with the corresponding communication component; an emission promoting component is arranged at one end of the first experiment platform and / or the second experiment platform; weight holes with different sizes are respectively formed in the first sliding block and the second sliding block; a retaining clip is clamped and fixed on each weight hole. The experimental device for the momentum conservation energy transformation, disclosed by the application, has diversified functions and enables students to understand momentum conservation in many ways.
Owner:HEZE UNIV

Method for automatically correcting difference of meter calibration machines by means of comparison

The invention provides a method for automatically correcting difference of meter calibration machines by means of comparison. The method includes placing water meters calibrated by an optional meter calibration machine in specified regions of assembly lines and reading water meter parameters calibrated by the meter calibration machine before the meter calibration machine is triggered; storing theread water meter parameters at specified locations of software; randomly extracting at least one water meter from an optional specified region of the assembly lines during each re-inspection, re-inspecting the water meters in the other meter calibration machines, and automatically uploading re-inspected water meter parameters to other specified locations of the software; comparing the re-inspectedwater meter parameters to the water meter parameters read by the software to obtain comparison data of the diversified water meter parameters between the various meter calibration machines; arbitrarily selecting a meter calibration machine to be used as a standard station, acquiring difference values of the standard station and the other meter calibration machines from the comparison data and automatically correcting the difference of the other meter calibration machines by the aid of the difference values. The method has the advantages that the difference can be automatically timely corrected by the aid of the method, and accordingly the efficiency can be greatly improved.
Owner:SANCHUAN WISDOM TECH CO LTD

Method and device for verifying electronic fences based on recorder management platform ends

The invention discloses a method for verifying electronic fences based on recorder management platform ends and a device for verifying the electronic fences, and relates to a method for verifying the electronic fences and a device for verifying the electronic fences. The method and the device can solve the problem that the real-time processing speed is relatively low, the processing result accuracy is low and the expansibility is relatively poor in existing platform end fence verification. The method for verifying the electronic fences based on the recorder management platform ends comprises the following steps: vehicle coordinates pushed by corresponding reception coordinates of the fence sub-module and vehicle fences correspondingly form new message packets which are pushed to routing fences, the message packets are respectively routed into corresponding passageways by the routing fences according to the fence shape, and the messages in the three passageways are respectively pushed to the corresponding array of the message bus; the message packets are received by the fence verification sub-module and respectively pushed to the corresponding verification module; after the message packets are verified, warning data generated during verification are stored into a database. The method and the device are used for verifying the fences on the platform ends.
Owner:AEROSPACE HI TECH HLDG GROUP

Channel accurate synchronization method for navigation decoy signal synthesis

The invention discloses a channel accurate synchronization method for navigation decoy signal synthesis. The method is used for realizing strict synchronization of satellite navigation decoy signals,including precise synchronization of baseband components in single-channel signals and precise synchronization among multiple channels, and comprises the following steps: 1) constructing a baseband signal synthesis channel, and indexing low-speed components by using high-speed baseband components to ensure that the baseband components are strictly aligned in a time domain; 2) measuring to obtain the inconsistency between the channels, calculating to obtain the signal phase difference between the channels by measuring the ratio of the power of the inverted dual-channel synthetic signal to the power of the single-channel signal, and further converting the signal phase difference into the time difference corresponding to the inconsistency of the channel pipelines; and 3) according to the timedifference of signal generation of each channel, calculating in a digital domain to obtain offset values of each baseband component phase and carrier phase of the corresponding navigation decoy signal, and performing synchronous compensation on each channel. Channel inconsistency can be improved from a nanosecond level to a picosecond level, and the quality of the decoy signal is greatly improved.
Owner:ROCKET FORCE UNIV OF ENG

Pricing early warning method and system for price protected commodities

ActiveCN110197408APrice Protection Mechanisms AvoidComprehensive verification resultsBuying/selling/leasing transactionsMarketingProtection mechanismSales promotion
The invention discloses a pricing early warning method and system for price protected commodities, and the method and system can automatically carry out the calculation and pre-verification of transaction prices in various promotion forms based on the rules of a price protection mechanism, so as to reduce the risk of triggering the price protection mechanism. The method comprises: S1, selecting acorresponding promotion mode based on promotion commodities, and presetting promotion information; S2, in the price guarantee early warning time period T1, searching whether promotion activities except the currently selected promotion modes exist in the promotion commodities or not; if yes, executing the step S3, and if not, executing the step S5; S3, respectively calculating a preset transactionprice of the promotion commodity after discount in the currently selected promotion mode and a reference transaction price sold in other promotion modes; S4, verifying the preset transaction price andthe reference transaction price; if the verification is not passed, outputting early warning information, and if the verification is passed, executing the step S5; and S5, marking that the preset discount information does not violate a price protection mechanism, and allowing the preset discount information to be online.
Owner:SUNING COM CO LTD

Missile-borne electronic product storage period acceleration test method based on multistage acceleration factors

ActiveCN111880023AMeet the real storage periodActivation energy data is accurateEnergy efficient computingEnvironmental/reliability testsFailure rateAcceleration factor
The invention discloses a missile-borne electronic product storage period acceleration test method based on multistage acceleration factors, which can calculate the test time more in line with the real storage period of weapon equipment electronic products, so the verification result is more accurate. The method specifically comprises the steps: acquiring the storage period and the storage reliability of the missile-borne electronic equipment; acquiring activation energy and failure rates of all electronic components of the missile-borne electronic equipment, sorting according to a descendingorder of the failure rates, setting a weight, and performing weighted summation on the activation energy of all the electronic components to serve as the activation energy of the missile-borne electronic equipment; determining the highest stress and the lowest stress of the accelerated test in the storage period, and dividing stress grades; selecting an acceleration test model, and solving an acceleration factor for each divided stress level in combination with the activation energy of the missile-borne electronic equipment; determining the test time ta in combination with the storage period and the storage reliability of the missile-borne electronic equipment and the sum of all acceleration factors; for each stress grade, carrying out a storage period acceleration test for a period ta.
Owner:CHINA AEROSPACE STANDARDIZATION INST

Method and device for determining position change of network equipment, computer equipment and medium

The invention relates to a method and device for determining position change of network equipment, computer equipment and a medium, and belongs to the field of positioning. The method comprises the following steps: receiving a first wireless fingerprint of a first terminal and a first position of the first terminal; if the distance between the first position and a second position corresponding toa target wireless fingerprint in the target fingerprint database is greater than a distance threshold, determining a data acquisition area comprising the first position based on the first position, the target wireless fingerprint being matched with the first wireless fingerprint; acquiring second wireless fingerprints of a plurality of second terminals in the data acquisition area; and determiningthe position change condition of the network equipment based on the number of the wireless fingerprints matched with the first wireless fingerprint in the second wireless fingerprints of the plurality of second terminals. By acquiring the wireless fingerprint of the terminal in the data acquisition area, the verification process is accelerated, the acquisition of useless information is reduced, and the verification efficiency is improved.
Owner:BEIJING SANKUAI ONLINE TECH CO LTD

New energy automobile charging gun

The invention belongs to the technical field of electric vehicle charging. A new energy automobile charging gun comprises a charging gun handle, a wire seat is arranged at one end of the charging gunhandle; one end of the electric wire seat is provided with a charging wire connecting port penetrating into the electric wire seat; an anti-skid film is arranged on the outer surface of the charging gun handle; the other end of the charging gun handle is provided with a charging gun head; a baffle is arranged at the end, close to the handle, of the charging gun head, a charging port is formed in the other end of the charging gun head, a charging plug is connected to one end of the charging port, a charging base is connected to one end of the charging plug, a spring is arranged on the outer surface of the charging gun head, a fixing base is connected to one end of the spring, and a shell is arranged on the inner wall of the charging base. The problems that in the prior art, due to the factthat the charging gun makes close contact with the socket, the strength for plugging and unplugging the charging gun is larger and larger, and especially for female consumers, the plugging and unplugging process is difficult are solved.
Owner:宁波新瑞智联科技有限公司

Verification system for Rayleigh arched fading channel

A verification system for a Rayleigh arched fading channel comprises a base station RRU, an RF input unit, a Rayleigh arched fading channel simulation unit, and a terminal. The terminal is used to verify a Rayleigh arched fading channel: calculate a sequence of the Rayleigh arched fading channel simulation model; verify first-order statistical properties of the simulation model; and verify a powerspectrum of the simulation model. The Rayleigh arched fading channel simulation model is generated by the simulation unit, and the terminal calculates the fading channel sequence based on a basebandinput signal and a baseband output signal; a maximum likelihood estimation method is used to analyze the amplitude and phase angle of the fading channel sequence to verify the first-order statisticalproperties of the simulation model; and the power spectrum of the simulation model is verified by observing the shape and bandwidth of a power spectrum density function. With the invention, the maximum likelihood estimation method is used to accurately and quantitatively analyze the first-order properties of the Rayleigh arched fading channel, namely the amplitude and phase angle.
Owner:HEFEI UNIV OF TECH

Loss test method and system of filter capacitor, and medium

The invention discloses a loss test method and system of a filter capacitor, and a medium. The loss test method comprises the following steps: establishing a loss test circuit of a filter capacitor unit; testing dielectric loss factors of the to-be-tested filter capacitor elements corresponding to different frequencies; calculating the mean value of the dielectric loss factors of all the to-be-tested filter capacitor elements corresponding to the same frequency; drawing a dielectric loss factor curve by taking the frequency as an abscissa and the mean value of the dielectric loss factors as an ordinate; testing to obtain the loss value of the filter capacitor unit corresponding to the frequency 50Hz under the rated voltage; calculating a loss value of the connection bar corresponding to the frequency of 50Hz; calculating the loss value of the filter capacitor unit corresponding to each preset frequency; and calculating the sum of the loss value of the filter capacitor unit corresponding to the frequency 50Hz under the rated voltage and the loss values of the filter capacitor units corresponding to all the preset frequencies to obtain the total loss value of the filter capacitor units. The test result of the method is more accurate.
Owner:STATE GRID NINGXIA ELECTRIC POWER CO +2
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