142 results about "Test timing" patented technology

The system comprises a control execution module used for testing, and also comprises a monitor-controlling module, a control data collection module, a monitor database module, a procedure strategy configuration module, a user-informing module. Wherein, the monitor-controlling module communicates with the execution-controlling module to monitor the test process; the control data collection module is used for collecting the test data, analyzing execution result and controlling the control execution module to adjust the test sequence according to the procedure strategy defined by user.

The present invention provides a software test method, including: obtaining a first configuration file, wherein the first configuration file is set with instrumentations and the corresponding instrumentation codes for generating test scenarios; according to the first configuration file, inserting the corresponding instrumentation codes at the instrumentations in the testing software and generating the instrumented testing software; running the instrumented testing software, and when the instrumentations in the instrumented testing software are triggered, executing the instrumentation codes corresponding to the triggered instrumentations. The software test method can simulate a variety of abnormal test scenarios and save the time cost of testing. The present invention also provides a software test system.

The invention discloses a method of probe and lead foot automatic aiming. Automatic aiming of the testing probe and the lead foot are achieved through six steps. The invention further discloses a probe station testing system of the probe and lead foot automatic aiming. The probe station testing system of the probe and lead foot automatic aiming comprises a movable probe displacement device, a probe frame, a probe, a fixture, a sample displacement device, a controlling device, a machinery supporting device, a signal transmission device and a power supply device. The probe frame and the probe are installed on the probe displacement device. The fixture is movable and is used for fixing a to-be tested device and a wafer. The controlling device is capable of setting up procedures of all the devices. The method of the probe and the lead foot automatic aiming and the probe station testing system of the probe and lead foot automatic aiming are low in cost and good in generality. The method of the probe and the lead foot automatic aiming and the probe station testing system of the probe and lead foot automatic aiming can test efficiently under the condition without damaging the to-be tested device and the wafer in short time. The method of the probe and the lead foot automatic aiming and the probe station testing system of the probe and lead foot automatic aiming can be applied widely in the survey of precise electricity of complex and high speed devices. Reliability of testing signal quality and testing results can be guaranteed. Testing time is shortened and cost of device manufacturing technology is reduced.

The invention provides a function automation testing system and testing method based on a SoPC chip. The system comprises a serial communication interface testing module, an I2C testing module, an interrupt processing testing module, a timer testing module, a counter testing module, a bus testing module, an analogue switch / ADC testing module, a GPIO testing module, an FPGA configuration module, a communication module and a testing control module. According to the automation testing method, in the same testing system, all function modules of the SoPC chip are tested in the same testing program according to testing needs, the situation that return of all testing projects is compiled when different functions of the same SoPC chip are tested through a traditional testing method is avoided, testing time can be effectively shortened, and testing difficulty and testing operation complexity are lowered.

The invention provides a method for using page-based object flow verification in a regression test, which comprises the following steps: recording a test automation script operated by a functional flow, and generating an object pivot table from different pages according to the operation sequence of a main functional flow; during the execution of a new round of regression test, generating an object historical table of an operation page of the function value; and contrasting the pivot table with the object historical table to determine whether the pivot table and the object historical table have differences in the same functional page and the sate and sequence of the same object and generating and outputting a test difference report. The invention provides a device for using the page-based object flow verification in the regression test. The invention can greatly reduce time for manual test and increase in the test number due to frequency program correction, ensures program quality and avoids test risks.

The invention discloses a rapid bridge testing and estimation method based on change of time-varying dynamic characteristics of an axle coupling system. The rapid bridge testing and estimation methodcomprises the steps that vibration response of a structure under a moving vehicle is collected through a sensor arranged on a bridge, time-varying dynamic characteristic parameters of the axle coupling system are identified through a variational modal decomposition method and then substituted into a mapping relation among a vibration mode scaling factor, vehicle parameters and the time-varying dynamic characteristics, thus the vibration mode scaling factor and displacement flexibility matrix deep parameters of the structure can be calculated, accordingly, deformation of the structure at any static load is predicted, and structure damage identification based on a displacement flexibility matrix is conducted. The rapid bridge testing and estimation method has the advantage that the deep parameters of the structure are identified from only-output vibration response, and then structure performance is estimated, has the characteristics of low required test cost, short testing time and highidentification precision, and has wide prospects of being widely applied to safety estimation of multiple bridges on a national highway network.

The system consists of a base station simulator and a test computer. The test computer converts the operation message outputted from base station simulator into test instruction. First an automatic test program of test computer is used to find out the test instruction corresponding to operation message, and to output the test instruction to a mobile phone used for test. Finally, the base station simulator examines the correctness of executing result.

The invention provides a method for testing mobile application in batch and equipment used in the method. The method for testing the mobile application in batch has the beneficial effects that much equipment can be tested at the same time, and development and maintenance cost is greatly saved; besides, parallel test on mobile application is emphasized, namely mobile equipment is tested in a multi-platform, multi-resolution and multi-language environment, and saving of testing time is more emphasized; and compared with the condition that analysis is carried out by virtue of a test matrix, a tester can adopt the method provided by the invention for greatly improving testing efficiency, the method provided by the invention can help the tester to realize high coverage rate, and on the basis of high testing coverage rate, the tester does not need to consider a risk, caused by adopting the matrix analysis, of choice of test content; meanwhile, the method provided by the invention also can be adopted by a mobile phone manufacturer, and the sampling rate of mobile equipment during sample testing before the mobile equipment leave a factory can be improved.

The invention discloses a jitter tolerance testing method and circuit for a high-speed serial IO interface based on BIST (built-in self-test). The circuit mainly consists of a CDR circuit module, a jitter injection module, and an error code detection module. A CDR circuit at the receiving end of the high-speed serial IO interface is additionally provided with the jitter injection module and the error code detection module, and can achieve the self-testing of the jitter tolerance of the receiving end. The jitter injection module comprises a Jitter Memory, a PI (phase interpolator) and a PRBS (pseudorandom binary sequence) circuit, and is used for generating a test sequence containing jitter information. The error code detection module comprises a sequence detector (PRBS Checker), an XOR gate and an error code counter (Error Detection), and is used for detecting an error code and obtaining the number of error codes. The method and circuit achieve the self-testing of the jitter tolerance of the receiving end, and can achieve the different types of jitter injection, such as RJ (random jitter), PJ (periodic jitter), and DCD (duty cycle distortion). The BIST circuit is simple in implementation, effectively shortens the testing time, reduces the testing cost, can be used for various types of high-speed serial IO interface circuits, and is higher in practicality.

An integrated circuit device (200) can include a main portion (204) and a built-in self-test (BIST) portion (204) having outputs coupled to physical input structures (e.g., bond pads) (206) of the integrated circuit device (200). A BIST portion (202) can test timing critical parameters that take into account the effect of input structures (206). A BIST portion (202) can apply BIST test signals with a pipeline structure that can emulate timing parameters, such as a set-up time (Ts) and a clock-to-output time (Tco).

The invention provides a method for adjusting reference unit threshold parameters, which is used in the parallel testing process of a plurality of memory chips and comprises the following steps that: erasing operation is conducted to reference units of all chips to be tested on a testing machine; the current of the reference unit of each chip to be tested is measured, if the current is compliant with a first preset condition, a next step is conducted, and if not, re-erasing operation is conducted to the reference unit; programming operation is conducted to the reference unit of each chip to be tested; if the current of certain programmed reference unit is compliant with a second preset condition, the adjustment of the reference unit is completed and the chip is disconnected with the testing machine; and programming operation is continuously conducted to the chips to be test which are not disconnected with the testing machine until all chips to be tested are disconnected with the testing machine. Since the invention can really realize the parallel testing, the invention has the advantages that the overall testing time of the testing machine is greatly shortened and the testing costis greatly reduced.

The invention discloses an integrated portable multichannel phase coherent signal analyzer, comprising the following components: a clock generation module, a radio frequency signal source module, a coherent signal generation module, a local oscillator signal source module, a coherent receiver module, a master computer calling frequency and tracking algorithm module and an error correction and algorithm revising module, wherein, the clock generation module provides reference time base signals for the radio frequency signal source module and the local oscillator signal source module; the radio frequency signal source generation module generates a radio frequency excitation signal for the coherent signal generation module; the coherent signal generation module outputs four paths of coherent radio frequency excitation signals through an output interface; the local oscillator signal source module generates a coherent local oscillator signal to the coherent receiver module; the coherent receiver module acquires the four paths of detected signals from an input interface and forwards the detected signals to a main control computer after being processed; and the main control computer calling frequency and tracking algorithm module and the error correction and algorithm revising module finish the final process on the detected signals. The analyzer of the invention has small volume, low cost, simple testing process, and vector error correction and revising function, ensures the measuring accuracy of the multichannel phase and the amplitude difference, lowers the testing cost, shortens the testing time and improves the testing flexibility and the testing accuracy.

The invention discloses a multi-task dispatching method of a measuring probe. The measuring probe uses a multithreading technology, the threads communicate with each other by a mutual repulsion lock and conditional variables so as to receive and respond to tasks sent from different management terminals in real time. The method provided by the invention can carry out flow acquisition and statistical analysis to a plurality of network segments, or carry out performance test to certain servers in the network at the same time, thus greatly shortening testing time and improving work efficiency.

The printed circuit board (PCB) with several resistance being printed on it is put on it is put on the laser resistance adjustment device. The device measures the value of the resistance on the PCB, and the value of the resistance is adjusted by using the laser beam. The method features adjusting the resistance rapidly, shortening the measurement time, and raising the quality rate.

The invention relates to a method for detecting the compacting quality of a roadbed, aiming at providing a method which has the advantages of simple operation and short detecting period. The technical scheme for achieving the aim of the invention is as follows: the method for detecting the compacting quality of the roadbed comprises the following steps: 1. by the standard penetration of a dynamic cone penetrometer (DCP) at a detecting point, the DCP-detected penetration rate PR (unit mm / hammering time, generally taking a hammering value at one time) of earthwork roadbed section is detected layer by layer; 2. according to the DCP-detected penetration rate PR of a single detecting point, the weighted average of the filling penetration rate NPR of each layer at the detecting point is counted so as to obtain a CBR value or a rebound modulus E; and 3. according to the CBR value or the rebound modulus, the bearing capacity of the roadbed at different depths and the whole bearing capacity are judged.

The invention relates to a system for automatic test of 1 dB compression points in a high-power radio frequency power amplifier module and a method thereof. The system comprises a signal source, a frequency spectrograph, a personal computer, a switch, an isolator, an attenuator, and a testing control panel; wherein the signal source, the frequency spectrograph and the personal computer constitute a local-area network via the switch, the signal source provides input power signals to a power amplifier module to be tested, the frequency spectrograph obtains the output power of the power amplifier module to be tested and reports to the personal computer to compute gains, and hereby the personal computer computes the next output power of the signal source and searches 1 dB compression points in the power amplifier module to be tested by using the principle of dichotomy after the power amplifier module to be tested enters a nonlinear operating area. The inventive system can realize automatic test of 1 dB compression points in the high-power radio frequency power amplifier module with no damage on power amplifiers and remarkably improved test speed and progress; and the testing error is controlled to be 0.1 dB, and the testing time of each power amplifier module is shortened to be 30 seconds.

The invention relates to a system for carrying out an integrated test on an intelligent gas meter controller. The system is characterized by comprising an upper computer server, an upper computer, a main control board, the intelligent gas meter controller, a wireless transceiver, a programmable multimeter and a programmable power supply, wherein the upper computer server is connected with the upper computer for performing bidirectional communication, the upper computer is connected with the main control board for performing bidirectional communication, and the main control board is connected with the intelligent gas meter controller for performing bidirectional communication. When the system is in use, a testing personnel just needs to connect all the equipment and keep the equipment in anormal power-on operating state, and the integrated test of the intelligent gas meter controller can be automatically carried out and completed. The system greatly improves the efficiency and reliability of the whole test task, reduces the testing time and the testing cost, saves about 80% of the time, and reliably ensures the high quality of the product.

The invention discloses a time reference redundancy signal intelligent testing system and method of a time synchronization device. The time reference redundancy signal intelligent testing system comprises a GPS / Beidou satellite antenna receiver, a manger for operating a testing and analyzing management program, a time frequency standard source connected with the manager through a communication link for realizing program control, and a time scale impulse testing device, and an IRIG-B (Inter-Range Instrumentation Group) code testing device. The time reference redundancy signal intelligent testing system is characterized by being provided with an intelligent time frequency signal switcher, the program control of the manager is realized through a testing and analyzing management program operating in the manager, program control switching is carried out by the intelligent time frequency signal switcher, and the intelligent time frequency signal switcher is used for testing the time reference redundancy signal switching function. Under the condition of no need of manual intervention, the function and the performance of outside reference signal switching of the time synchronization device are simply and effectively intelligently tested, the complex service function and the performance testing intelligent level of the time synchronization device are reliably improved, the performance is more accurately tested, the testing efficiency is higher, and the testing time is greatly shortened.

A method of determining an applied actuation touch point pressure value of a frictionally engaged shift element of a transmission at which transmission, via the shift element, is approximately zero, and an increase in pressure relates to an increase of the power transmission via the shift element. The method includes supplying a predefined pressure to the shift element at which power transmission is zero. Increasing the target pressure by an offset pressure to transfer the shift element into a predefined operating state which initiates time monitoring. Determining a characteristic of the actual pressure. After a testing time, a monitoring period is compared with a reference period. When the monitoring period is less than or equal to the reference period, the applied pressure is set to be equivalent with the target pressure.

The invention relates to a crystal sheet measuring device with reset function and the measuring method. The crystal sheet measuring device comprises a host machine system, a measuring system and an immediate access module. The host machine system is used to control the process of the integer measurement; the measuring system is electric connected with the host machine system and is used to receive the order of the host machine system to measure the plurality of crystals and output the measuring data. The immediate access module is electric connected with the measuring device and is used to record the measuring data. When the measuring has been interrupted, the measuring system generates an automatic reset data by the measuring data of immediate access module and measures the crystal by the automatic reset data.

Disclosed are an optoelectronic module and a control method thereof, an imaging device and an electronic device. The photoelectric module includes an image sensor including an array of photosensitivepixel units and a filter for allowing light rays in a predetermined frequency band to pass therethrough. The photosensitive pixel unit array includes at least one photosensitive pixel unit, and the photosensitive pixel unit includes at least two photosensitive pixels. The photosensitive pixels belonging to the same photosensitive pixel unit share the same analog-to-digital converter and the same photosensitive test timing circuit. When scene information is formed, the photosensitive pixel outputs an electrical signal. When the depth information is formed, the photosensitive pixels belonging tothe same photosensitive pixel unit simultaneously output an electrical signal through an analog-to-digital converter and a photosensitive test timing circuit. The photoelectric module of the embodiment of the present application and the control method thereof, the imaging device and the electronic device acquire the scene information and the depth information through one image sensor, thereby avoiding the high cost of using two image sensors to acquire the scene information and the depth information respectively.

The invention discloses a method to take multi-chip parallel testing by using synchronous communication chip. It includes the following steps: taking division to the different test vectors according to time cycle, and restoring into memory of tester; outputting the data according to time cycle to gain paralleling testing and taking qualified / error judgment. The invention could improve testing efficiency of testing chip and lower testing time and cost.

The invention relates to a method and a device for testing mechanical reliability of mobile phones. The method comprises the following steps: generating a testing strategy according to the type of a mobile phone to be tested; mechanically testing the mobile phone to be tested through a universal interface bus-control mechanical tester according to the generated testing strategy comprising a testing example and a testing standard corresponding to the testing example; and evaluating the testing results of the mobile phone to be tested after being tested by machines. The device comprises a strategy generating module, a mechanical testing control module and a testing result evaluating module. The testing strategy is generated according to the type of the mobile phone, the mechanical tester is controlled to mechanically test the mobile phone to be tested according to the generated testing strategy, and the mechanical reliability testing of the mobile phone can be performed by adopting the corresponding standard according to the type of the mobile phone, thereby enhancing the automated degree of the mechanical reliability testing of the mobile phone and saving the testing time and the labor.

The invention discloses a method and device for testing Ethernet real-time service quality on the basis of point-and-point testing, and belongs to the field of Ethernet performance testing. According to the method, testing data packets with timestamp values are sent back and forth between a master device and a slave device, so that measurement of a one-way delay value and one-way delay jitter is achieved, and synchronous operation is accomplished; according to the device, the master device and the slave device are connected through an intermediate network, the master device is used for generating the testing data packets and leading the testing process, the salve device is used for receiving the data packets, and the testing process of the slave device is controlled by the master device. According to the method and device, due to the fact that delay measurement of the master device and delay measurement of the slave device are carried out according to relative clock adjustment of the master device and relative clock adjustment of the slave device respectively, the synchronizing process of the testing time can be accomplished in two steps, a whole network synchronous clock is not needed, special processing of a middle node device is not needed, the testing environment is simplified, precision, achieved by hardware, of a local timer can be at the microsecond level, and the testing process does not have any influence on the normal service.

A device and a method for detecting the road surface compaction effect are provided. The device comprises a fiber bragg grating demodulator, a pressure sensor for detecting the pressure of a road surface, and a displacement sensor for detecting the thickness of the road surface, wherein the pressure sensor, the displacement sensor and the fiber bragg grating demodulator are connected. According to the invention, the principle is simple, the operation is convenient, the detection is accurate and rapid, and objective and efficient detection is implemented. The reliability and the detecting reliability are good, the manufacturing cost is low, the energy consumption is low, the scope of application is wide, the practical value is high, and the detecting device is convenient to use and maintain. The detecting method is simple and convenient, the detecting process is simple, the detecting time is short, the detecting is not affected by the outside environment, the road surface compaction effect can be rapidly and accurately detected to provide a reliable basis for the reasonable detection and construction, and the defects that the consumed time is long, the operation process is complex and the detection is largely affected by the outside environment during the detection of the road surface through a drilled core method in the prior art are overcome.

A test system which utilizes local loop to set up main-board management control connection comprises more than one host terminals that are provided with at least one network card, and at least one main board management controller that is provided with at least one network card. After a test connection is set up between the host terminal and the remote user, the host terminal sets up loop test connection with the main board management controller by the means of virtual address to send test command to the main board management controller for testing and test results are reported. The invention sets up loop test connection by virtual address to carry out remote test that is similar to internal loop test, thereby avoiding test results being affected by the network environment setting and ensuring batch test to save testing time.

The present invention provides a test barrel for placing a test paper card. The test barrel comprises a barrel body and a barrel lid; wherein the barrel body comprises a place reminding board arranged on the barrel body; and the barrel lid comprises an elastic piece arranged on the barrel lid and mating with the place reminding board. The test barrel for placing a test paper card according to the present invention is simple in structure and convenient in operation, and greatly reduces time for test. In addition, a place reminding structure is arranged on the test barrel, which facilitates use of the test barrel for the user and achieves sealing reminding. Further, the test result is accurate, the reusage rate is high, and cleaning is convenient.

The invention relates to an automatic detection system and a method for the compatibility anomaly of a display. The system comprises an industrial PC, a photoelectric signal acquisition unit, a flicker signal processing unit, a Chroma signal source and a burning plate. The burning process of the display is completed through the on-line system programming process, and a related display control instruction is defined in the form of an array. After that, the software control for the OSD menu of the display is realized based on the DDC / CI protocol. Meanwhile, the "handshake" mechanism is added to ensure the reliability of control signals. At the same time, relevant test cases and the test timing are imported in the form of independent text files and excel files. Optical signals are acquired by a photoelectric sensor. The acquired signals are converted through the analog-to-digital conversion process and then a transient waveform is obtained. Furthermore, the transient waveform is subjected to the Fourier transform treatment to be converted into a power spectrum and the power spectrum is subjected to the human visual-sensitive weighted matching treatment. Finally, through the inverse Fourier transform treatment, the flicker degree is calculated. The system is high in degree of flexibility, low in cost, and high in efficiency. The test pressure of the test personnel can be reduced to a greater degree.

A method of optimizing the timing between signals to be latched and a respective latching clock signal is suggested wherein test timings are provided according to which a delay test value of a clock delay line (CDL) are generated. According to the delay test values a clock signal (C) and a sample signal (S) are received through said clock delay line (CDL) and through said sample signal line (SSL), respectively. Respective phase differences for the distinct delay test values are obtained. A delay value is chosen and set for operation for which the respective obtained phase difference fits best to given target timing data.