65results about How to "Flexible testing methods" patented technology

A method for carrying out on-line test on quality of digital network includes sending test UDP message to any set of test terminal used as master test terminal by test server, generating simulation flow rate to finalize test items and to obtain test result message with another set of test terminal used as subtest terminal by master test terminal, transmitting test result message to test server and sending configuration message to master test terminal by test server, repeating above said process till all nodes existed with test terminal are tested and generating test statistic report by test server.

The invention relates to a waveguide coupling metal photonic crystal biosensor and a detecting method thereof, which are used for the high-sensitivity sensation of biomolecule concentration and bioactive molecule idiosyncrasy. The waveguide coupling metal photonic crystal biosensor comprises a base, a waveguide layer and metal photonic crystals arranged on the waveguide layer. When the waveguide coupling metal photonic crystal biosensor is used for detecting, light transmitted by a light source irradiates the metal photonic crystals at an angle, and an optical detector is used for detecting an extinction spectrum of transmitted light passing through the waveguide layer and the base or detecting an extinction spectrum of transmitted light passing through the metal photonic crystals; after receptors are fixed on the metal photonic crystals, a sample solution flows through the surfaces of the metal photonic crystals, the detector is used for detecting the extinction spectrum of the transmitted light which passes through the waveguide layer and the base at the moment or detecting the extinction spectrum of the transmitted light which passes through the metal photonic crystals, and the two extinction spectrums are calculated by secondary extinction spectrums to quantificationally detect ligand concentration. The waveguide coupling metal photonic crystal biosensor has high sensitivity, low cost, simple preparation, simple use method, and the like.

A method for testing double-satellite GPS closed-loop control is achieved on the basis of an orbit emulation computer, a GPS synchronous computer and a GPS dynamic emulation device. A novel GPS closed-loop control method is provided by utilizing a remote control model of the GPS dynamic emulation device and makes up for the defects of a static method and a dynamic method in a present test, the closed-loop control of multi-satellites under a completely real-time state is achieved, an existing verification mode for the closed-loop control through a fixed orbit scene is broken, and a multi-satellite relative positioning system is verified.

The invention discloses a multi-rotor unmanned aerial vehicle structure testing device and method based on a variable-diameter rack. The device comprises a stand column, a stand column inner bearing mechanism, a stand column inner transmission mechanism, a stand column outer bearing mechanism, a lifting sleeve, a link mechanism and motor installing rods; the stand column inner bearing mechanism comprises an upper-end flange plate and a guide key which are arranged at the upper end and a lifting regulating nut, a lower-end flange plate and an inner bearing which are arranged at the lower end; the stand column inner transmission mechanism comprises a trapezoidal screw and a trapezoidal nut shaft, and the upper end of the trapezoidal nut shaft penetrates through the upper-end flange plate and the guide key and is connected with the top of the lifting sleeve; the stand column outer bearing mechanism comprises multiple bearings which are slidably connected to the outer side of the stand column in a sleeving mode. According to the multi-rotor unmanned aerial vehicle structure testing device and method based on the variable-diameter rack, the problem that in multi-rotor unmanned aerial vehicle structure design, part parameter matching experiment testing technological means are insufficient can be effectively solved, and a flexible, variable and effective testing means can be provided from the aspects of the diameter size of the unmanned aerial vehicle rack, the blade size of propellers, the rotor number and the arrangement mode of the propellers, the shock resistance of connection between an unmanned aerial vehicle and a cloud platform or a load and the like.

The invention provides an automatic testing method for an acoustic Doppler current profile. The automatic testing method comprises the steps of: step 1) splitting a radiation region of an acoustic wave beam emitted by means of the acoustic Doppler current profile into a plurality of cone scattering flow layer research units having different heights; step 2) emitting an acoustic wave beam by meansof the acoustic Doppler current profile, acquiring the acoustic wave beam in an acoustic coupling manner, and converting the acoustic wave beam into a modulated pulse signal; step 3) simulating and generating scattered echo signals corresponding to flow layers in the radiation region, and converting the scattered echo signals into acoustic pulses for emission; step 4) and utilizing the acoustic Doppler current profile to receive the acoustic pulses emitted in the step 3) in an acoustic coupling manner, calculating to obtain speed numerical values corresponding to the flow layers, comparing thespeed numerical values with a standard value, and further determining the working performance of the acoustic Doppler current profile. The automatic testing method provided by the invention realizesthe high-precision onshore automatic test of the acoustic Doppler current profile.

The invention discloses a device for measuring creep deformation of eddy current. The device comprises an eddy current displacement sensor device and a bracket, wherein the eddy current sensor device comprises a data acquisition display, a sensor extension cable, a sensor probe and a sensor probe fixing screw; the bracket comprises a sensor probe bracket and a target board bracket; two longitudinal and transverse reinforcing plates are arranged in each bracket; two bolt holes for fixing the brackets are formed; a sensor probe mounting hole is formed in the upper end of a sensor bracket board; the sensor probe bracket and the target board bracket are provided with a sensor bracket fixing bolt and a target bracket fixing bolt; each bolt is provided with a bolt washer. The device can be used for testing data accurately, efficiently and conveniently, and is convenient and rapid for mounting.

The invention provides an antenna quality evaluation method / system, a readable storage medium, and electronic equipment. The method comprises the steps: collecting a receiving signal intensity instruction of slave wireless communication equipment after the slave wireless communication equipment starts to broadcast wireless communication data; calculating the distance between main wireless communication equipment and the slave wireless communication equipment according to the collected receiving signal intensity instruction; comparing the calculated distance between the main wireless communication equipment and the slave wireless communication equipment with a preset test distance, so as to obtain the evaluation result of the antenna quality of the slave wireless communication equipment. According to the invention, the method determines the antenna quality of tested equipment according to a receiving signal intensity value, is accurate in testing result, is flexible in testing mode, and can guarantee the consistency of antenna indexes in a wireless communication product.

The invention discloses a device for rapidly testing potential induced degradation of a solar cell. The device comprises an environmental box, a metal test bench, an external power supply and a plurality of metal probes, wherein an adjustment device for adjusting temperature and humidity is arranged in the environmental box, the metal test bench is arranged in the environmental box, the temperature of a bench surface of the metal test bench can be adjusted, the external power supply generates a voltage of 200V to 1,000V, and the metal probes are connected with the external power supply by wires and are provided with tip end parts. The invention also discloses a method for rapidly testing the potential induced degradation of the solar cell. The device has the advantages of short test period, reliable test result, high sensitivity and the like; and the method is a battery terminal-based direct method for non-destructive observation on the potential induced degradation of the battery.

The invention discloses a built-in self-test method and a built-in self-test system for an Ethernet controller transceiving path, and the method comprises the steps: adopting the concept of on-chip loopback to construct a path in which data is rewound from a transmitting path to a receiving path; generating a test excitation in a controller, comparing and analyzing the results, determining whetherthe core function of the controller and a transceiving access operate normally or not, and performing automatic positioning when a fault occurs; employing a pin multiplexing mode , so flexible configuration and output of a test mode and the test results are realized.

The invention provides an internal discharge mode recognition method for a transformer, which is characterized in that: a singularity index of a signal waveform is extracted from a discharge acoustical signal of a transformer with a known internal fault; singularity indexes of signal waveforms corresponding to various discharge modes are collected, and an acoustical signal feature library for various discharge modes is established; the waveform of a discharge acoustical signal of the monitored transformer is monitored and obtained, and the singularity index of the signal waveform is extracted; the singularity index of the signal waveform of the discharge acoustical signal of the monitored transformer is compared with the acoustical signal feature library, and if the singularity index of the signal waveform of the discharge acoustical signal of the monitored transformer is the same as the singularity index in the feature library, the corresponding discharge mode is determined. The invention further provides an internal discharge fault diagnosis system for the transformer, which is based on the method. According to the method, the internal discharge acoustical signal of the transformer is precisely and stably monitored, the internal discharge mode recognition is performed accurately, and a fault can be found in time through analysis and process of the monitored acoustical signal.

The invention discloses a testing device for the input and output module function of a control system. The system comprises a control cabinet, a network switcher, a high-precision universal meter, a channel switcher, and a monitoring computer, the control cabinet is in two-way communication connection with the network switcher, the network switcher is in two-way communication connection with the monitoring computer, the output end of the control cabinet is in communication connection with the input end of the channel switcher, and the output end of the control cabinet is in communication connection with the input end of the channel switcher, the output end of the channel switcher is in communication connection with the input end of the high-precision universal meter, the control cabinet isin two-way communication connection with the high-precision universal meter; the network switcher is used for the communication connection between the control cabinet and the monitoring computer, andthe high-precision universal meter is used for measuring output signals in the control cabinet and in communication connection with the control cabinet. The invention further provides a testing method for input and output module function of control system, and solving defects of existing a testing system and method for the input and output module function.

The present application discloses a comprehensive calibration standard device for a magnetic yoke type magnetic powder flaw detector. The device includes a machine body, a magnetizing current measuring mechanism, a force measuring mechanism and an image acquisition mechanism. This application is equipped with a Hall sensor, a separate definition of the transfer cable, and a standard aviation plug, which can be matched with most of the tested equipment, avoiding the tampering of the instrument's own cable, and realizing the non-destructive measurement of the magnetizing current; there is also a sliding The track and high-precision tension pressure sensor (resistance strain sensor) realize the precise measurement of the force value, with high precision, wide measurement range, long life, simple structure, and good frequency response characteristics; the set image acquisition module adopts a physical 3 million The contrast-focused CCD photosensitive element of the pixel has the advantages of high resolution, low thermal noise interference, and high auto-focus efficiency.

The present invention discloses a method for implementing computer test instrument. Its control circuit adopts a microprocessor to make control, and adopts the functional components of data base, test circuit with tested circuit physical connection adaptive interface and logic signal interface, signal generator, communication interface with PC and man-machine interaction machine, and its system control software includes system self-checking process, test process, signal generation process, diagnosis process, communication process with PC, data base operation process, stability test process and tested computer monitoring process, etc.

The invention aims to provide a server case planeness measuring device and measuring method used for solving a technical problem in server case planeness measurement. The server case planeness measuring device includes a measurement table, a measurement mobile frame mounted on the measurement table, a measurement instrument disposed above the measurement table and driven by the measurement mobileframe, and a support positioning piece mounted on the measurement table and used for supporting a server case. By adopting the device and method provided by the invention for performing measurement ondifferent measurement points on the server case, the planeness value of the server case is obtained. The invention has beneficial effects of simple measurement operation and comparatively high reliability.

The invention discloses a DSP-based assembly line autotest method of a protection and monitoring device. The method specifically comprises the following steps that (1) one or more test items are selected by debugging personnel through a menu, and each test item comprises an alternating current sampling board test, a communication board test, an input and output board test, an operation panel test and a human-machine interface test; (2) as for the selected test items, test boards corresponding to the selected test items are connected with the protection and monitoring device to be tested; (3) after the tests of the selected test items are finished, test results of the protection and monitoring device are output through a human-machine interface, wherein if it is prompted that the tests are passed, it is indicated that the protection and monitoring device is up to standards and can be put in storage, if it is prompted that the tests are abnormal, troubleshooting is conducted on the protection and monitoring device. According to the DSP-based assembly line autotest method of the protection and monitoring device, a complete-machine test or a single-board test can be selected according to requirements, the test mode is flexible, a test of qualification or disqualification is judged through software, the interference caused by human factors is reduced, and the debugging efficiency and the quality of the protection and monitoring device are improved.

The invention discloses a service dynamic switching test system, method and device based on an OTN board, and relates to the field of optical communication test systems. The system includes a logic control unit, equipment sub-frame, service board and cross-connect unit; the logic control unit is connected to the service board and cross-connect unit respectively through the equipment sub-frame; the service board includes a board service port unit, a board service port unit The service control unit is connected to the error code detection unit, and the service information interaction unit is connected to the board service port unit and the error code detection unit respectively; the cross-connect unit includes a cross-connect control unit, and the cross-connect control unit is respectively connected to the cross-service port unit and the cross-information interaction unit connected; the board service port unit is connected point-to-point with the cross service port unit, and the service information interaction unit is connected with the cross information interaction unit. The invention not only has high test efficiency, but also has low test cost and is convenient for people to use.

The invention discloses an athlete posture acquisition wireless synchronization device. The athlete posture acquisition wireless synchronization device comprises a synchronizer sending control end, a high-speed camera acquisition end and a laser speed measurement acquisition end, wherein the synchronizer sending control end is used for completing sending of a synchronization signal, parameter configuration and data processing; the high-speed camera acquisition end is used for acquiring the movement posture of an athlete; and the laser speed measurement acquisition end is used for detecting the movement speed of the athlete. The athlete posture acquisition wireless synchronization device based on a laser speed measurement instrument and a high-speed camera is designed, a synchronizer testing area is not limited by the length range of a cable any more, and testing data can be controlled and stored by adopting an embedded system, so that the size of an athlete posture testing system is greatly reduced, configuration is flexible, simultaneous acquisition of multiple paths of speed measurement instruments and multiple paths of high-speed cameras can be met simultaneously, and powerful support is provided for acquisition and analysis of movement data of the athlete.

The invention discloses a device for rapidly testing potential induced degradation of a solar cell. The device comprises an environmental box, a metal test bench, an external power supply and a plurality of metal probes, wherein an adjustment device for adjusting temperature and humidity is arranged in the environmental box, the metal test bench is arranged in the environmental box, the temperature of a bench surface of the metal test bench can be adjusted, the external power supply generates a voltage of 200V to 1,000V, and the metal probes are connected with the external power supply by wires and are provided with tip end parts. The invention also discloses a method for rapidly testing the potential induced degradation of the solar cell. The device has the advantages of short test period, reliable test result, high sensitivity and the like; and the method is a battery terminal-based direct method for non-destructive observation on the potential induced degradation of the battery.

The present invention discloses a turbine test bed. The turbine test bed comprises a turbine test device and a data acquisition system; the turbine test device is provided with a first driving mechanism, a turbine test mechanism and a second driving mechanism which are distributed sequentially from top to bottom; and the turbine test mechanism is connected with the first driving mechanism and the second driving mechanism through a turbine mounting shaft. The test bed is simple in assembly and can be used for measuring the performance of a single turbine, a multistage turbine and a counter-rotating turbine in different fluid media, the servo performance of the turbines and influences on flow fields caused by the rotation of the turbines.

The invention discloses a living body spontaneous activity quantitative detection device which comprises a box body structure with an upper layer and a lower layer, wherein the upper layer is a sensor layer which comprises infrared geminate transistors arranged in a 16*8 matrix, spacing between every two adjacent infrared geminate transistors is 3cm, infrared ray transmitting tubes and infrared ray receiving tubes of the infrared geminate transistors are arranged in parallel, a transparent plate is arranged above the infrared geminate transistors, the lower layer is a control plate layer which comprises a scanning circuit and a control circuit, the scanning circuit and the control circuit are electronically connected, the scanning circuit comprises 18 pieces of CD4051, the control circuit mainly comprises an ATMEGA16 processor chip, the infrared geminate transistors is connected with the scanning circuit through a transmission line, and the control circuit is connected with a display module outside the box body structure. The invention further discloses a detection method with the device used. According to the method, automatic detection of the whole process of the activity of a mouse can be achieved comprehensively and accurately with a simple method, accurate reflection and continuous detection of the process of the activity of the mouse are achieved, and accurate quantitative description of activity in two-dimensional space is achieved.

The invention relates to a waveguide coupling metal photonic crystal biosensor and a detecting method thereof, which are used for the high-sensitivity sensation of biomolecule concentration and bioactive molecule idiosyncrasy. The waveguide coupling metal photonic crystal biosensor comprises a base, a waveguide layer and metal photonic crystals arranged on the waveguide layer. When the waveguide coupling metal photonic crystal biosensor is used for detecting, light transmitted by a light source irradiates the metal photonic crystals at an angle, and an optical detector is used for detecting an extinction spectrum of transmitted light passing through the waveguide layer and the base or detecting an extinction spectrum of transmitted light passing through the metal photonic crystals; after receptors are fixed on the metal photonic crystals, a sample solution flows through the surfaces of the metal photonic crystals, the detector is used for detecting the extinction spectrum of the transmitted light which passes through the waveguide layer and the base at the moment or detecting the extinction spectrum of the transmitted light which passes through the metal photonic crystals, and the two extinction spectrums are calculated by secondary extinction spectrums to quantificationally detect ligand concentration. The waveguide coupling metal photonic crystal biosensor has high sensitivity, low cost, simple preparation, simple use method, and the like.