35results about How to "Achieve test results" patented technology

The invention discloses a function test system of an automobile body control module. The function test system comprises a junction box which is connected with an automobile function module to be tested, and the junction box is connected with a digital board card which is connected with an industrial personal computer. The invention also discloses a test method by utilizing the system. According to the function test system and the test method, on the aspect of hardware construction, the realization is convenient and rapid, under the premise of ensuring the precision, the cost is lowered, the system is expanded by loading different functions of board cards, and then can be conveniently connected with a device to be tested by the junction box, and on the aspect of test software, the system has the largest characteristics that a state diagram is utilized for generating a test case, the test purpose is realized by traversing the work state of a BCM (Body Control Module), the understanding is convenient, the operation is easy, the test effect is achieved, and when the test case is tested, the automatic batch test can be selected, the singly manual test is conducted, the function consistency can be automatically analyzed and designed in advance, the manual comparison can be conducted to implement sequential analysis, so that the problem can be found and checked conveniently.

The invention discloses a time-varying ocean channel modeling method. The method comprises: (1), calculation is carried out by using a sound ray propagation path obtained by a Bellhop model and ray acoustical simulation software to obtain an impact response of a channel and the obtained impact response is used as an initial value of the channel impact response in time-varying channel modeling; (2), a time-varying underwater acoustic channel updating based on a data block length is established, a statistical characteristic, changing with time, of an ocean channel impact response h(t) is obtained, statistical characteristics, changing with time, of an ht and an h t+tau after sampling according to a symbol rate are studied, and a data base of statistical parameters is established; and (3), underwater acoustic channel changing situations can be classified into a situation of unchanging of the structure of the h t+tau relative to the structure of the ht and a situation of changing of the structure of the h t+tau relative to the structure of the ht; and when the structure of the ht does not change, the h t+tau updates the channel by the correlation degree of the channel changing with time in the database; and when the structure of the ht changes, a new sparseness factor is generated again and the channel is updated. According to the invention, with the established time-varying underwater acoustic channel statistic model, the ocean underwater acoustic channel can be recovered well and thus the sparse characteristic of the underwater acoustic channel can be reflected accurately.

The invention provides a device for measuring the angle of pitch of a two-dimensional high-precision turntable and other high-precision angles of pitch and a measurement method utilizing the measurement device. A horizontal multitooth indexing table/ horizontal angle encoder is combined with an electronic level meter, or the horizontal multitooth indexing table/ horizontal angle encoder is combined with a plane mirror and an auto-collimation instrument to measure the labeled error of the angle of pitch of the two-dimensional high-precision turntable. The measurement device and measurement method have the advantages that the measurement device is convenient to use and compact in structure, it is convenient to achieve automated testing, and meanwhile high measurement precision and stability are achieved.

The invention discloses a RACK cabinet RMC login testing method and belongs to the field of cabinet management and testing. The method includes the steps of firstly, configuring an expect interaction program to a shell testing script, setting a static IP for an RMC management module, connecting the RMC management module with the control node of a Linux system in a cabinet, and setting a static IP for the network port corresponding to the control node; secondly, at the control node, pinging the IP of the RMC management module, determining that connection is normal if pinging is successful, copying the testing script file to the same directory of the control node, giving execute permission to the testing script file, and testing at the control node; thirdly, monitoring information output in the executing process during testing until the testing is ended. By the method which is simple to operate, high in automation level, high in practicality and capable of saving manpower and increasing testing efficiency, automatic testing and result output of RMC login stability are achieved.

The invention discloses a method and a system for simulating network bandwidth by using a network rate-limiting tool. The method and the system for simulating the network bandwidth by using the network rate-limiting tool are used for obtaining webpage basic adjustment response time of a website product in a performance test process of the website product. The method for simulating the network bandwidth by using the network rate-limiting tool includes the following steps: connecting a testing end browser with a website under test through the network rate-limiting tool and the network and the website under test is provided with the website product, connecting the testing end browser with a performance testing tool, enabling the network rate-limiting tool to conducting simulating configuration for a client network bandwidth condition, enabling the performance testing tool to simulate user behaviors to visit the website under test to execute a performance test for a server of the website under test through the testing end browser under the network bandwidth condition after configuration, and obtaining the webpage basic adjustment response time corresponding to the simulated client network bandwidth condition. According to the method and the system for simulating the network bandwidth by using the network rate-limiting tool, a website product performance test solution which is feasible and low in cost is provided, and no independent network environment or devices are needed.

The invention discloses a target labeling method and a target labeling device. The method comprises the steps of: using a trained target detection model for labeling a prediction picture set, and obtaining prediction box information, wherein the prediction picture set comprises labeled pictures and unlabeled pictures; from the prediction frames, screening out the prediction frames of which the coincidence degree with the labeled target is lower than a preset value or which are lack of the labeled target; classifying the screened prediction frames by using a built and trained classification network, wherein the classification network is obtained by training the marked target and a background image thereof; and if the classification result of the prediction box is consistent with the prediction category of the prediction box, writing the prediction box information into a labeling file. According to the invention, the trained model is used for labeling the prediction picture set, the prediction frame of which the coincidence degree with the labeled target is lower than the preset value or lacks the labeled target is screened out, and the classification network is used for classification inspection, so that intelligent implementation and result inspection of target labeling are realized, and the efficiency and the accuracy of target labeling can be improved.

The invention relates to an image-based vehicle detection method and system, and relates to the field of vehicle detection. The method comprises the steps of S1, acquiring n images of a road; S2, constructing a database according to the n images; S3, calling m images in the database to perform preprocessing, thereby obtaining a training set and a test set, wherein m is smaller than or equal to n;S4, acquiring a deep neural network model, training the deep neural network model according to the training set and the test set to obtain a C model, and executing the step S5 when various parametersof the C model meet a first preset condition; and S5, detecting a vehicle in a new image by utilizing the C model. According to the scheme, the technical problem of how to improve the stability of vehicle identification is solved; and the image-based vehicle detection method and system is suitable for traffic state detection.

The invention discloses a function testing machine for a key circuit board. The function testing machine comprises a testing platform and a testing mold which is arranged above the testing platform and can move up and down relative to the testing platform, wherein a programmable logic controller (PLC) information acquisition module corresponding to a key of the key circuit board is arranged on the testing mold. Due to the adoption of the testing machine with the structure, short circuits in the circuit board and the current of a light-emitting diode can be detected, so that the effect of safe and effective detection is achieved; simultaneously, by the detection device, the defects of single testing functions during production in the prior art are overcome, integral boards can be tested in batches, quality problems caused by personal factors are solved, and the bottleneck of production capacity caused by testing links is effectively prevented.

The invention provides a memory testing device and system, and relates to the field of memories. The memory testing device comprises a register component, a command analysis component, a test controlcomponent and a test result acquisition component, wherein the register component is used for receiving a test instruction sent by a test machine, and generating a control instruction according to thetest instruction; the command analysis component is used for analyzing the control instruction, and generating a test trigger signal, so as to control the test control component to work; the test control component is used for generating a test time sequence during working so as to test the to-be-tested memory; and the test result acquisition component is used for acquiring a test result of the to-be-tested memory and sending the test result to the register component so as to enable the test machine to determine whether the to-be-tested memory is qualified or not by reading the test result. The memory testing device and system provided by the invention have the advantage of improving the testing efficiency.

The invention relates to a squeeze type tester comprising a box cover, screws, a through hole, a cover plate, a leather tube I, a box body, a control device, a hydraulic rod, a panel, a padding, a leather tube II, a buckle device, a test strip, a base, a protective ring I and a protective ring II, wherein the box cover is connected together with the box body by the four screws, the surface of thebox cover is defined with a rectangular through hole, the cover plate is embedded in the through hole, the side of the box cover and the side of the box body are each provided with semi-circular holes, the protective ring I is adhered to the surface of the circular hole on the side of the box cover, the protective ring II is adhered to the surface of the circular hole on the side of the box body,the leather tube I is mounted in the protective ring I and the protective ring II, the control device is fixedly mounted inside the box body, one end of the hydraulic rod is fixedly mounted on the control device, the other end of the hydraulic rod is fixedly mounted on the panel, and the surface of the panel is pasted with a layer of padding. The squeeze type tester can greatly improve the accuracy during testing such that the strength and the degree of control are both very accurate, and can improve the detection efficiency of the equipment.

The invention discloses a program testing method and device and electronic equipment, and can be applied to the financial field or other fields. Obtaining a file operation parameter table, calculating a first file value corresponding to the target file, calling a preset file operation program to enable the preset file operation program to obtain the target file to be subjected to file operation based on the file attribute information of the operated file, and performing preset file operation on the target file according to the target address, obtaining a reference file and a file operation path obtained after the operation of the preset file operation program is completed, calculating a second file value of the reference file, comparing whether the first file value and the second file value are the same or not, if not, outputting first warning information, and if yes, comparing whether the file operation reference path and the file operation path are the same or not, outputting second warning information; and if not, second warning information is output. According to the method, the program is tested in the two aspects of the operation path and the file content, and the effect of testing the program is achieved.

The invention discloses a laser tracking test device and test method for a rotating blade disc, and the device comprises the rotating blade disc, a first laser vibration meter, an external scanning system, a second laser vibration meter, a data collection module, and a data processing unit. A speed measurement sensor for obtaining the real-time rotating speed frequency of the rotating blade disc is installed on a shaft rod of the rotating blade disc, the first laser vibration meter is located in front of the rotating blade disc and emits laser beams and receives response signals reflected by the laser beams, and the external scanning system is located in front of the rotating blade disc and receives the laser beams emitted by the first laser vibration meter. According to the invention, the response signal of the measuring point on the rotating blade disc and the reference signal of the fixed reference point are directly measured, and the problem that the frequency response function and the modal shape of the rotating blade disc cannot be obtained in the prior art is solved.

The invention belongs to the technical field of electronic equipment. The invention relates to a test fixture, in particular to a test fixture facilitating rapid accessory switching. The test fixtureincludes a body, a first fixed block is fixedly connected to the top end surface of the main body; a groove is formed in the surface of the top end of the first fixing block; a first rotating shaft isrotatably connected to the inner wall of the groove of the first fixing block, a cover plate is fixedly connected to the surface of the first rotating shaft, a connecting block is fixedly connected to the surface of the end, away from the first rotating shaft, of the cover plate, an inserting rod is fixedly connected to the bottom end of the connecting block, a cavity is formed in the body, and an inner connecting rod is fixedly connected to the inner wall of the cavity. According to the test fixture, the test groove is formed, the clamping plate is pressed to be attached to the test chip under the action of the elastic force of the second spring, the cover plate is rotated to be attached to the main body, and then the insertion rod is inserted into the fixing ring to achieve a locking effect, so that the influence on a test result due to untight attachment is prevented.

The invention discloses a transmission mechanism in the production process of a high-speed and high-precision digital-to-analog conversion chip, and relates to the technical field of transmission mechanisms. The transmission mechanism comprises a lower abutting base, an upper abutting base is fixedly connected to the lower abutting base, a motor is fixedly connected to the top of the upper abutting base, the motor is in transmission connection with a first arc-shaped gear through a motor rotating shaft, the first arc-shaped gear is engaged with a first rack through a second arc-shaped gear, movable rods are fixedly connected to the left side of the first rack, the left sides of the movable rods are movably connected with rectangular blocks, the top of one rectangular block is fixedly connected with a second rack, the second rack is engaged with a gear, the gear is in transmission connection with a transmission wheel through a transmission belt, the number of the rectangular blocks andthe number of the movable rods are two, the rectangular blocks and the movable rods are symmetrical with the first rack as the symmetry axis, a first hydraulic rod is fixedly connected to the top of the rectangular block on the right side, and the top of the first hydraulic rod is fixedly connected with a first hydraulic piston.

The present invention relates to a deflection angle automatic test device for flexible groove-type pipe joints for fire protection. The deflection angle automatic test device comprises a closed end pipeline, a water incoming end pipeline, a pipeline supporting device, a water pressure control device, a torque loading device, a leak detection device and an angle measuring device; the closed end pipeline and the water incoming end pipeline are connected by a flexible groove-type pipe joint test piece; the pipeline supporting device is used for supporting the closed end pipeline and the water incoming end pipeline; the water pressure control device is used for injecting water into the closed end pipeline and the water incoming end pipeline and performing water pressure control; the torque loading device is used for loading a torque to the flexible groove-type pipe joint test piece; the leak detection device is used for leak detection; and the angle measuring device is used for deflection angle measurement. With the deflection angle automatic test device of the invention adopted, the automatic test and result judgment of the deflection angle of the flexible groove-type pipe joint are realized, the burden of an operator can be decreased, human-made disturbance factors can be eliminated, and detection quality and efficiency are improved.

The invention discloses a method for testing sulfur capacity of an on-site natural gas dry desulfurizer. The method comprises the following steps of filling a filling tube with particles of the desulfurizer; vacuumizing the filling tube to negative pressure; filling the filling tube with nitrogen to positive pressure; releasing the pressure of the nitrogen in the filling tube to 0MPa; connecting an inlet pipe to a sampling port of a natural gas pipeline; making the natural gas flow through the desulfurizer; finding that hydrogen sulfide starts to emerge from a lead acetate solution tank; recording the flow parameters; and calculating the sulfur capacity of the desulfurizer. The invention modifies the existing sulfur capacity test method of the desulfurizer, and achieves the test effect onthe sulfur capacity in the filling state of the on-site gas source and the on-site desulfurizer.