93results about How to "Improve verification effect" patented technology

The invention discloses a data integrity verification method suitable for an embedded processor. The method comprises a multi-granularity hash computation method, an address conversion method and a hash node access control method, wherein the multi-granularity hash computation method is used for generating a multi-granularity Merkle tree which is cached in a hash cache and is in charge of computing a hash value of a data block in a memory when nodes of the tree are absent; the address conversion method is used for providing a unique corresponding address for each node; and the hash node access control method is mainly in charge of accessing the nodes of each hash tree and adopting different strategies particularly during reading absence and writing operation. Due to the multi-granularity hash computation method, the hash tree generated by the data integrity verification method has less nodes and layers so as to reduce a memory space and hardware area overhead, shorten initialization time and improve the performance.

A method and apparatus for rendering a scene in an autopilot simulator of a vehicle is disclosed. That method may include extracting at least one map element from a high precision map; determining a current state of the virtual target vehicle according to an autopilot scheme for controlling the virtual target vehicle to travel in the scene; generating a current frame of the scene according to at least one map element and vehicle rendering parameters corresponding to the current state; determining a predicted state of the virtual target vehicle at a point in time corresponding to a next frame of the scene according to the autopilot scheme; and generating a next frame based on the current frame, the prediction state and at least one map element. Through the method and the device, the scene in the vehicle autopilot simulator can be rendered well and good debugging and verification effects can be obtained.

The invention discloses a reservoir classification method based on rock electricity parameters, and belongs to the field of hydrocarbon reservoir evaluation. The method is based on rock electricity experiment theoretical model deduction, a theoretical value range and a value trend of rock electricity experiment data of reservoirs under different pore structures are formed, and reservoir pore structure subareas on a rock electricity data F-phi plate are formed; and corresponding electrical logging data are utilized in combination with rock electricity experiment data and mercury injection capillary pressure curve data to determine rock electricity method quantitative classifications, and the method at least includes: Step 1) establishing a rock electricity method classification bases; Step 2) forming a classification plate; Step 3) establishing a quantitative classification evaluation basis; and Step 4) determining classification grades of the reservoirs. According to the reservoir classification method based on rock electricity parameters in the invention, by checking distribution of the rock electricity data on the F-phi plate and discovering that rock samples of reservoirs of different classes fall on distinguishable different subareas on the F-phi plate, continuous evaluation knowledge can be provided, and a verification effect is good.

The invention discloses a method for determining gas contents of coal beds, and belongs to the field of coal bed gas exploration and development. The method includes forming theoretical values of Langmuir volumes corresponding to different coal rank conditions on the basis of Langmuir isothermal adsorption theoretical model derivation; applying corresponding conventional well logging data on the basis of the theoretical values, combining the well logging data with coal and rock test analysis and isothermal adsorption experiment data and quantitatively computing and determining the gas contents of the coal beds. The method has the advantages that Langmuir isothermal adsorption models are improved, relations between the maximum vitrinite reflectance and the Langmuir volumes are analyzed, a process for solving the maximum vitrinite reflectance by the aid of conventional well logging curves is created, and accordingly the gas contents of the coal beds can be determined; the method is continuous in evaluation and cognition, good verification effects can be realized, shortcomings of difficulty in experimental sampling and excessively high cost due to the fact that gas contents are measured by the aid of existing experimental technologies at present can be effectively overcome, and reliable reservoir parameters can be provided for developing coal bed gas in various basins in China.

The invention discloses a method and a device for retrieving objects and a method and a device for verifying retrieval, and belongs to the field of video monitoring technologies. The method for retrieving the objects includes acquiring to-be-retrieved object images and specified regions of the to-be-retrieved object images, and computing local feature points of the specified regions in the to-be-retrieved object images; searching indexes in preliminarily created index sets; acquiring object images corresponding to the found indexes and using the acquired object images as object images retrieved in video. The indexes are matched with the local feature points of the specified regions. The methods and the devices have the advantages that the object images are retrieved in the video by the aid of the local feature points of the specified regions in the to-be-retrieved object images, so that the objects can be retrieved in the local regions of the images, the object retrieval application range can be expanded, and the accuracy of retrieval results can be improved; the retrieved object images are verified after the object images are retrieved, so that unmatched object images can be removed, and the accuracy of the retrieval results can be further improved.

The invention provides a method for turning a figure picture into a verification code picture based on black color and white color. According to the method for turning the figure picture into the verification code picture based on the black color and the white color, limitations of insufficient or excessive interference and limited samplings are avoided by the figure gathering picture manually provided, the figure gathering picture is converted to a black and white picture, when communication equipment acquires a verification code, the black and white picture is read in an internal memory, each character in an identification character string is positioned on a corresponding row in the black and white picture, a 32*32 dot matrix character picture of a line on the row is randomly drawn, and the verification code picture is formed by splicing of the character pictures drawn in the internal memory of the communication equipment. Therefore, validation effect of the verification code picture is greatly improved, danger caused by computer reinstallation is avoided, recognition rate of human eyes is improved, and speed for acquiring the verification code of the communication equipment is increased.

The invention discloses an information encoding method and an information encoding device for an electronic tag, which solve the technical problem to improve effective information transmission rate of data. The method comprises the following steps that: 1, an electronic tag programmer receives the data, an encoding unit performs FM0 encoding and stores the data in a data area, and a read / write control unit transmits the electronic tag data into the electronic tag. The device consists of a data transceiver unit, an encoding unit and a read / write control unit which are connected sequentially. Compared with the prior art, on the premise of not changing the physical channel bandwidth, the transmission rate and an electronic tag hardware circuit of the conventional vehicle number recognition system, the invention has the advantages that: vehicle number data contents stored in the electronic tag are subjected to the FM0 encoding, the data verification capacity is improved, and the effectiveinformation transmission rate of the data is greatly improved; therefore, the electronic tag recognition rate of the vehicle number recognition system is improved.

The invention relates to the technical field of electronics, in particular to a data migration verification method and apparatus. The method comprises the steps of calculating each row of migrated data in a process of migrating the data from an A end to a B end to obtain an identifier corresponding to each row of data; migrating the identifier and the row of data corresponding to the identifier to the B end; calculating a sum of identifiers corresponding to all rows of data in the migration process to obtain a first value, and calculating a sum of identifiers corresponding to all rows of data at the B end to obtain a second value; and when the first value is equal to the second value, indicating that data migration verification is passed. An embodiment of the invention furthermore provides the apparatus which executes the method. The method and the apparatus have extremely high working efficiency for data verification of the problems of row loss, row data repetition and the like in the data migration process.

The invention provides a method and a device for verifying calibration parameters of a camera and an electronic device. The method comprises: acquiring images obtained by shooting a calibration objectthrough all cameras; correcting each image by adopting the calibration parameters to obtain each corrected target image; determining homonymy points from each target image; and according to the homonymy points in each target image, judging whether the calibration parameter meets a verification index or not. According to the application, since the images obtained by shooting the calibration objectby the cameras are analyzed to verify the subsequent calibration parameters, the deviation condition of the calibration parameters during imaging application can be visually reflected, so that the calibration parameters are verified more accurately, and the verification effect of the calibration parameters is improved.

A hybrid energy storage-based regenerative electric energy recovery utilization experiment system is disclosed and comprises a direct current power source, a regenerative electric energy simulation system, a hybrid energy storage system, a direct current braking resistor cabinet and a host computer control system, wherein an input side of the direct current power source is connected with three phase mains supply, a connection platform for a direct current bus is formed on an output side, the regenerative electric energy simulation system comprises a first bidirectional DC / DC converter and a first lithium battery energy storage system, and a high-voltage side of the first bidirectional DC / DC converter is connected with two ends of the direct current bus while a low-voltage side is connectedwith the first lithium battery energy storage system; the host computer control system is in connection and communication with the first bidirectional DC / DC converter, a second bidirectional DC / DC converter and a third bidirectional DC / DC converter. The system is advantageous in that control effects exerted by control strategies in an actual system can be well verified.

The invention discloses a water pressure test sealing device of an anti-explosion motor base. The water pressure test sealing device comprises a pressing screw rod vertically aligning to the center of a pressing board of a wiring box; a beam or a disk and a J-shaped hook are in threaded connection with the pressing screw rod; and a spiral handle is transversely mounted at the exposed end of the pressing screw rod. With the adoption of the water pressure test sealing device provided by the invention, the sealing purpose can be realized by pressing a pressing board through the pressing screw rod. The water pressure test sealing device has the advantages of simple structure and convenience in installation. With the adoption of the water pressure test sealing device, the anti-explosion property of the base can be rapidly inspected, namely the sealing device can be rapidly assembled in a water pressure test, so that a large amount of process bolts can be saved; the bolt breakage phenomenon in production can be avoided; the production and manufacturing cost can be reduced; the quality is good; and the water pressure test sealing device is very beneficial to popularization and implementation.

The invention discloses a calibration system and a calibration method for an analog quantity input type electronic transformer calibrator. The calibration system comprises a first signal generator, asecond signal generator, a first digital recorder, a second digital recorder and a controller, wherein the first signal generator generates a first voltage signal and outputs the same according to preset parameters under the control of a synchronous trigger signal; the second signal generator generates a second voltage signal and outputs the same according to the preset parameters under the control of the synchronous trigger signal; the first digital recorder samples the first voltage signal under the control of a high-stability time base synchronous sampling signal to obtain amplitude data ofthe first voltage signal and output the same, and the second digital recorder samples the second voltage signal under the control of the high-stability time base synchronous sampling signal to obtainamplitude data of the second voltage signal and output the same; and the controller calculates the two pieces of received amplitude data to obtain a specific value error standard value between the two voltage signals, and calculates a phase error standard value between the two voltage signals according to the preset parameters. The calibration method has the advantage of reducing the uncertaintyof the measurement result.

The invention discloses a message processing system and method. The system comprises a message sending device and a message receiving device, wherein the message sending device sends message information comprising an xsd (Xml Schema Definition) document; the message receiving device further comprises a syntax analyzing device, a verification method loading device, a verification method executing device and a verification method storage unit, wherein the syntax analyzing device is used for performing syntax analysis on resource information defined in the xsd document, a verification method used by a single element in the xsd document, and the association verification between elements in the xsd document; the verification method loading device is used for performing an instantiated operation on the verification method according to the resource information obtained through the analysis and verification information to be verified; the verification method executing device is used for verifying the verification information to be verified by using an instantiated verification method received by the verification method loading device; and the verification method storage unit is used for editing and storing user-defined verification methods input by a user. When the message processing system and method are utilized, the verification capacity of an interface based on xsd definition can be enhanced.

The invention discloses an identity verification based vehicle management method. The method comprises the following steps: acquiring license number of a target vehicle; acquiring a face image of a driver of the target vehicle; comparing the face image of the driver of the target vehicle with the contrast face image related to the license number of the target vehicle; if the face image of the driver of the target vehicle is matched with the contrast face image related to the license number of the target vehicle, releasing the target vehicle; and otherwise, sending vehicle safety check to an intelligent terminal of a contact person related to the license number of the target vehicle, and reminding the contact person to check the vehicle safety; and releasing the target vehicle after receiving the safe check of the contact person.

The invention belongs to the technical field of aquatic feed additives, and particularly discloses a special anti-fatty liver additive for a hybrid snakehead and a preparation method thereof. In the term of weight percentage of a dry material, the special anti-fatty liver additive comprises the following components: 20-40 percent of carbohydrate source substance, 10-30 percent of crude fat, 10-30 percent of amino acid mixture, 15-30 percent of compound Chinese herb extract and 10-30 percent of premix additive; the compound Chinese herb extract is prepared from the following raw materials: oriental wormwood, rhizoma alismatis, the root of red-rooted salvia, bighead atractylodes rhizome, Chinese yam, semen coicis and hawthorn. Discovered by a large quantity of creative tests, the Chinese herb extract with a special formula of the special anti-fatty liver additive and the carbohydrate source substance, the crude fat and the amino acid mixture which are used conventionally are used together to play a role in remarkably resisting the fatty liver.

The invention discloses a multi-channel concurrent downlink internet of things LoRa base station. The multi-channel concurrent downlink internet of things LoRa base station comprises a LoRa wireless data transmission unit, a CPU core processing unit, an MCU core processing unit, an Ethernet data transmission unit, and a GPS positioning unit, wherein the LoRa wireless data transmission unit is provided with multiple uplink channels and multiple downlink channels, the LoRa wireless data transmission unit is connected with the CPU core processing unit, the CPU core processing unit is connected with the GPS positioning unit, the CPU core processing unit is connected with the MCU core processing unit, and the MCU core processing unit is connected with the LoRa wireless data transmission unit. Through adoption of the multi-channel concurrent downlink internet of things LoRa base station, full-duplex communication is realized, further, two-way symmetrical 8+8 channels are realized; two downlink channels are added, so as to realize two-way peer-to-peer communication, fewer packets are lost, communication is reliable, retransmission is lowered, network dropout can be determined timely, thecapability of wide area coverage is realized, and city level coverage is realized.

The invention discloses an improved CRC (Cyclic Redundancy Check) realization method which comprises the following specific realization process: at a transmitting end, requiring to generate a polynomial by each data block with two different CRCs for calculating to respectively obtain CSA and CSB; performing AND-OR operation on the current CSA and the CSB of a previous data block to obtain a CRC code value; attaching the CRS code value to the tail of each data block for combining to form flit for transmission; at a receiving end, performing separation of each data block and the corresponding CRC code value on the received flit; performing CRC code calculation identical with the transmitting end on the received data block; comparing a new CRC code value obtained by calculation with the received CRC code so as to judge whether errors appear in the transmission process or not. Compared with the prior art, the improved CRC realization method has the advantages that on the premise that the coding efficiency is not reduced, the CRC performance is effectively improved, the undetected probability is greatly reduced, and high practicality is obtained.

The invention discloses a Radix Astragali root disease treatment agent. The treatment agent is prepared by adding raw materials to 10 L of water and mixing the raw materials and water, and the raw materials comprise 10 ml of a cyantraniliprole seed treatment suspending agent, 10 ml of a thiamethoxam seed treatment suspending agent, 0.625 ml of a fludioxonil seed treatment suspending agent, 0.5 mlof a metalaxyl-M seed treatment suspending agent and 3.75 ml of a thiabendazole seed treatment suspending agent. The invention also provides an application of the treatment agent. The Radix Astragaliroot disease treatment agent has a good preventing and controlling effect on Radix Astragali root rot, can remarkably increase the yield of Radix Astragali and obviously improve the specification of Radix Astragali, and test in the main Radix Astragali production area in Longxi County, Dingxi City, Gansu Province for two consecutive years of 2017-2018 verifies that the treatment agent has a good effect. All above reagents used in the present invention are low-toxicity reagents, and comply with the provisions of Food Safety Law of the People's Republic of China. An application method of the treatment agent is uniform, and makes the pollution to water small.

The invention discloses a mining anti-interference communication module and a communication control method thereof. The mining anti-interference communication module comprises a master control single-chip microcomputer unit, an RS485 communication unit and a lightning protection anti-surge circuit. The master control single-chip microcomputer unit is in communication connection with the RS485 communication unit. The lightning protection anti-surge circuit comprises a transient diode V1, a transient diode V2, a transient diode V3, a resistor R18, a resistor R19, a capacitor CF1 and a capacitorCF2.A synchronous clock is adopted for information transmission, and the functions of high anti-interference and error code prevention are achieved. The transmitted data packet is verified by adoptingCRC-16, so that the data verification capability is improved, wrong data is prevented from being adopted, and misjudgment in the communication process is avoided. The invention accords with the actual mine environment, is high in anti-interference capability, is low in data error rate, and guarantees the bus data transmission safety of a monitoring system.

The invention relates to a website link security verification method and system. The method comprises the steps of before a receiving terminal receives a website link sent by a sending terminal, acquiring the website link and a unique identifier of the receiving terminal; performing security verification on the website link, and if the website link is a secure link, forwarding the website link to the receiving terminal according to the unique identifier; when an access request which is sent by the receiving terminal for the website link is detected, searching the website link in a pre-established secure website database; and judging the website link to be a secure link if the website link is found in the secure website database. The website link security verification method and system avoid the risk of information leakage and are high in security.

The invention discloses a router password complexity calibration method.A weighted inspection method is adopted to endow different weights wi (i = 1, 2, 3...n) for different types of characters Si (i = 1, 2, 3...n) in a router password, and when the number of a certain Si is not zero, the total weight of the Si is wi, the total weight of the router password is Sigma wi (i = 1, 2, 3...n), and the complexity of the router password is judged according to the total weight Sigma wi.The router password complexity calibration method firstly adopts the weighted inspection method to endow different weights for numbers, letters, special characters and the like respectively, calibrates the complexity of the password through the calculation of the total weight of the password, is relatively simple and quick in algorithm, can also prompt the password complexity of a user according to the calibration results in real time, is a relatively simple and effective method and is suitable for application on various embedded devices, such as a router.

The invention discloses a simple and efficient tank parallel balance emission test system and a simple and efficient tank parallel balance emission test method. The test system is composed of a differential pressure measurement component, a pressure measurement component, a flow measurement component, a surplus measurement component, a data acquisition system, a pipeline component and the like. The test system is simple in structure, free of special requirements to the components, and easy to implement. According to the test method, specific test steps are defined and comprise a pipeline flow resistance consistency testing and adjusting test, a parallel balance emission test of a tank without a PMD (Propellant Management Device), a parallel balance emission test of the tank with the PMD and the like. The method is simple and effective, can eliminate the system error and the measurement error, and has higher measurement accuracy. According to the invention, the test system and the test method are combined, so that the verification of the parallel tank balance emission test can be completed effectively, the parallel tank balance emission performance can be examined and verified well, and test results are excellent.

The invention provides a code generation method and device based on a C language, electronic equipment and a storage medium, and the method comprises the steps: generating an SV language data packet, and generating a corresponding C language data packet according to the mapping of the SV language data packet, the C language data packet comprising an operation mode and address information; under the driving of a C language driver and an SV language driver, according to the operation mode and the address information, obtaining write-in data of the operation mode corresponding to the to-be-verified code; writing the write-in data in the running mode into the to-be-verified code and running the to-be-verified code to obtain to-be-verified data; acquiring a reference code, running the reference code according to the write-in data, and generating reference data; and according to the to-be-verified data and the reference data, generating a target code. According to the chip verification method and device, the related configuration information of the to-be-verified code can be transmitted autonomously, the manual operation cost and the code maintenance cost are reduced, the chip verification efficiency is effectively improved, and the chip verification effect is optimized.

The invention discloses a data integrity verification method suitable for an embedded processor. The method comprises a multi-granularity hash computation method, an address conversion method and a hash node access control method, wherein the multi-granularity hash computation method is used for generating a multi-granularity Merkle tree which is cached in a hash cache and is in charge of computing a hash value of a data block in a memory when nodes of the tree are absent; the address conversion method is used for providing a unique corresponding address for each node; and the hash node access control method is mainly in charge of accessing the nodes of each hash tree and adopting different strategies particularly during reading absence and writing operation. Due to the multi-granularity hash computation method, the hash tree generated by the data integrity verification method has less nodes and layers so as to reduce a memory space and hardware area overhead, shorten initialization time and improve the performance.

The invention provides a verification system and verification method for submarine power cable overvoltage and protection test thereof, and relates to the verification system and verification method. The existing submarine power cable overvoltage test is only for product detection, pre-identification and transfer test, and is in full accordance with test standards and procedures. Research and test verification systems for submarine power cable overvoltage and protection characteristics thereof in a power system are unavailable. The verification system provided by the invention comprises a water terminal which is connected with a submarine power cable, an impulse voltage test device which is directly connected with the water terminal and is used for generating impulse voltage, a measuring system which is connected with the water terminal, and an arrester which is for connected with the water terminal. The measuring system comprises a voltage divider. According to the technical scheme, the wiring is simple; less equipment materials are required; and the test verification effect is significant.

The invention provides a mold for detecting mold flow marks of epoxy molding plastic, relates to the field of detecting the mold flow marks and solves the problems that the detection of the existing mold flow marks needs to be matched with a frame, different sealing manners need different molds to perform a simulation test, the number of mold operating times is large, and the verifying effect is not obvious. The mold for detecting the mold flow marks of the epoxy molding plastic comprises a mold main body, wherein the mold main body comprises an upper module and a lower module, wherein the upper module is provided with an upper module panel; the lower module is provided with a lower module panel which is matched with the upper module panel for application; the lower module panel consists of a glue inlet passage and a traveling cavity part; the traveling cavity part is divided into a plurality of traveling cavity part function areas; the lower module panel adopts any traveling cavity part function area or a plurality of traveling cavity part function areas. The mold disclosed by the invention can be used for verifying the conditions of the mold flow marks of the epoxy molding plastic in different sealing modes in a disposable manner, the material consumption cost is reduced, the number of the mold operating times is reduced, the labor intensity is reduced, the verifying efficiency is improved, the verifying period is greatly shortened, and the verifying effect is very obvious.

The invention discloses a driver-based vehicle management system. The system comprises a license plate acquiring module, an image acquiring module, a safety judgment module, a confirmation reminding module, a verification confirmation module and a releasing module. The license plate acquiring module is used for acquiring a license plate number of a target vehicle. The image acquiring module is used for acquiring a face image of the driver of the target vehicle through a camera. The safety judgment module is used for comparing the face image of the driver of the target vehicle with a comparisonface image associated with the license plate number of the target vehicle and judging whether the vehicle is in the safe state. The confirmation reminding module is used for sending vehicle safety confirmation to an intelligent terminal of a contact associated with the license plate number of the target vehicle when the target vehicle in not in the safe state, and reminding the contact of carrying out vehicle safety confirmation. The verification confirmation module is used for judging whether the target vehicle is in the safe state after receiving the safety confirmation of the contact. Thereleasing module is used for releasing the target vehicle when the target vehicle is in the safe state.

The invention provides a solid state disk controller device and a solid state disk data verification method. The solid state disk data verification method comprises the steps that a controller monitors the bit error digit of an effective information region of a solid state disk in the operation process of the solid state disk; the length of an effective information region mapped by an ECC region is reduced by a preset step length whenever the controller determines that the bit error bit number reaches an error-correctable bit number threshold corresponding to a preset ECC algorithm; and the controller displaces the effective information area data according to the length of the effective information area mapped by each reduced ECC area, newly adds the ECC area, and recalculates the check value of each ECC area. By reducing the length of the effective information area, the solid state disk data verification method improves the ECC error correction capability, and prolongs the service life of the solid state disk.

The invention relates to the technical field of automobiles, in particular to a whole vehicle short-mileage NVH verification method. The method comprises the following steps: 1, carrying out initial measurement on dragging torque and thickness change of a brake disc; 2, carrying out running-in on the vehicle; 3, performing a road test on an open road surface; 4, evaluating the performance of the vehicle; and 5, if the review passes, outputting a result, and if the review does not pass, re-executing the steps until the review passes. The method is used for rapidly evaluating the low-temperature noise of the friction material in the early stage, the influence of a window period on project development is avoided to the maximum extent, and the follow-up possible scheme change risk can be reduced.

The invention discloses a method for verifying guide plate performance microgravity tests in a plate type propellant management device. Guide plate scaling model components different in section shape are test objects. According to the testing method, a method for realizing microgravity tests of the guide plate scaling model components different in section shape and different testing condition replacing strategies are mainly designed, and test preparation, test procedures, camera shooting observing methods, test anti-interference strategies and the like are stipulated. The testing method is reasonable in design, strong in operability, and capable of realizing all tests of microgravity of the guide plate scaling model components and recording the whole fluid conveying process in a shooting mode, and brings convenience to analysis of subsequent test results and guide plate optimized designs. According to the testing method, fluid management and conveying characteristics of guide plate models can be acquired, and performance of the guide plates can be verified.