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110results about How to "Reduce test complexity" patented technology
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Terminal test method and proxy server
ActiveCN105376107ASolve technical problems with high test complexityReduce test complexityData switching networksDomain nameApplication server
The invention discloses a terminal test method and a proxy server. The method includes: the proxy server receives a request message used for having access to an application server and sent by a terminal, the request information comprises a first mark and a second mark, the first mark is used for indicating an IP address and a first port of the application server, the second mark is used for indicating a second port of the proxy server, the proxy server obtains the first mark and the second mark from the request message, and the proxy server sends request data of the request message to the first port of the application server whose address is the IP address via the second port indicated by the second mark. According to the method, the technical problem of high test complexity caused by the mapping relation between a domain name and the IP address configured corresponding to each network environment of the terminal is solved.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Automatic testing apparatus of SVG power module
ActiveCN106597142AReduce labor intensityAvoid misuseCurrent/voltage measurementThermometers using electric/magnetic elementsTest powerComputer module
The invention relates to an automatic testing apparatus of an SVG power module. The automatic testing apparatus comprising a monitoring background, a main control unit, an adjustable direct-current power supply, and a power module waveform detection unit is capable of carrying out at least two of the following tests: a communication test, a power module pre-checking test, a module input value precision test, a bus over-voltage protection test, a temperature protection test, and a waveform test. The main control unit executes a corresponding instruction, receives a corresponding signal fed back by a tested power module, carries out comparison with a corresponding set value, and determines whether the corresponding function of the power module meets the standard; and when a condition for a next test is met, a next test is carried out automatically. With the automatic testing apparatus, several kinds of tests can be realized; building of different test circuits can be avoided; and the test complexity can be reduced. Moreover, the test precision can be improved; and the investment cost can be lowered.
Owner:XJ ELECTRIC +2
Indicating light optical state automatic test method and system
InactiveCN104897367AEasy to implementImprove test efficiencyTesting optical propertiesImaging processingComputer module
The invention discloses an indicating light optical state automatic test method and system. The method includes the following steps that: 1) images of an indicating light is acquired in real time with preset acquisition rate when tested equipment is in a designated work status; 2) image processing is performed on each frame of acquired image, and corresponding lit and extinguished states of the indicating light in each frame of image are identified; 3) the lasting time of the lit state or the extinguished state and the frequency of flickering states formed by the alternation of the lit state or the extinguished state are calculated, so that an optical state detection result of the indicating light can be obtained; and 4) the optical state detection result is compared with a preset optical state, and whether the optical states of the indicating light accord with design requirements is judged according to a comparison result. The system includes a corresponding image acquisition module, an image processing and identification module, an optical state detection module and a test result analysis module. The indicating light optical state automatic test method and system of the invention have the advantages of simplicity in realization and high accuracy of test results. With the indicating light optical state automatic test method and system adopted, the optical state of the indicating light can be tested directly.
Owner:CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST
System and/or method for implementing efficient techniques for testing common information model providers
InactiveUS20060106863A1Reduce test complexityReduce testing costsError detection/correctionDigital data processing detailsClient-sideClass hierarchy
A method for testing a provider in a common information model. The method generally includes the steps of (A) generating a test case class of the common information model, the test case class residing in a class hierarchy of an object-oriented model, (B) generating a client test case class of the common information model below the test case class in the class hierarchy, the client test case class defining control of at least one logical configuration for the provider and (C) generating an instance tester class of the common information model below the client test case class in the class hierarchy, the instance tester class defining at least one verification module for testing the provider.
Owner:AVAGO TECH INT SALES PTE LTD
Device and method for testing dynamic characteristics parameters of joint part of rolling-sliding combined guide rail
InactiveCN103217267AIncrease the number of degrees of freedomImprove test accuracyVibration testingDirect testData acquisition
The invention discloses a device and a method for testing dynamic characteristics parameters of a joint part of a rolling-sliding combined guide rail based on a two-degree-of-freedom system. The test device comprises a test platform and a data collection and analysis system. Compared with the prior art, the device has the obvious advantages that the test platform is simplified as a system with two degrees of freedom so as to be more approximate to the self degree of freedom of the test platform, the theory error is reduced, the test complexity degree is reduced, and dynamic characteristic test signals of a movable component and a foundation can be acquired more easily and accurately; the influence of the foundation displacement is taken into consideration, four sizing blocks are arranged so as to regulate the stability of the test platform, so that the influence of external environment excitation on the test device is further eliminated, and the test accuracy is improved; by virtue of directly testing the dynamic characteristic parameters of the joint part of the rolling-sliding combined guide rail, the influence of a complex joint surface in the joint part is reduced, and the parameter testing accuracy is improved.
Owner:NANJING UNIV OF SCI & TECH
Method and system for testing memory using hash algorithm
InactiveUS20060069966A1Shorten test timeLow costElectrical testingStatic storageComputer hardwareComputer science
A method for testing a memory is described. The method includes the following steps. First, a test pattern is generated by a hash algorithm. Then, the test pattern is written into the memory. Next, the test pattern is read from the memory. Following that, a signature is generated by the hash algorithm using the test pattern read from the memory. Subsequently, the memory is verified by comparing the signature to a reference signature.
Owner:LIU YEN FU
Method and system for testing voice quality
InactiveCN103249061AReduce conflictReduce wasteSupervisory/monitoring/testing arrangementsWireless communicationTest efficiencyComputer terminal
The invention discloses a method and system for testing voice quality. The system comprises a first testing terminal and a second testing terminal, wherein the first testing terminal is communicated with the second testing terminal through a to-be-tested wireless communication network; the first testing terminal comprises a first resource scheduling management module, a first voice playing module, a first voice recording module and a first data processing module; and the second testing terminal comprises a second resource scheduling management module, a second voice playing module, a second voice recording module and a second data processing module. The method and the system have the benefits that in a testing process, conflicts among testing resources and the resource waste are reduced, and utilization rates of the resources are improved; the testing result is more accurate; a testing task is executed automatically, so that a large number of human resources are not required to be occupied, and the testing efficiency is improved; and for a testing worker, the operation is convenient, and the testing complexity is reduced for a tester.
Owner:深圳市网信联动通信技术股份有限公司
Service testing method and device of bank and enterprise docking system
ActiveCN106506283AEfficient testing workReduce test complexityData switching networksTest fixtureOperating system
The invention discloses a service testing method and device of an online bank adapter, a service testing method and device of an ERP system and a service testing device of a bank and enterprise docking system. The service testing method of the online bank adapter comprises the steps of simulating a working mode of an ERP system and sending a service request message to the online bank adapter; simulating a working mode of a bank front-end processor, receiving a converted request message and returning a bank response message generated after correctness verification to the online bank adapter; and comparing the converted response message returned by the online bank adapter with a standard online bank adapter message in a message library, carrying out correctness verification and finishing the testing thread. Through the technical scheme, the bank and enterprise docking system can be tested when the bank front-end processor is not in place, the testing difficulty is reduced, and automatic and batch testing is realized.
Owner:YONYOU NETWORK TECH
Method for detecting hardware Trojan based on active optical watermark
ActiveCN104614660AAccurate detectionEfficient detectionElectronic circuit testingProcess noiseHardware Trojan
The invention relates to a method for detecting hardware Trojan based on an active optical watermark. The method comprises the steps of inserting some special units which do not influence the circuit function and have the temperature superior to that of the surrounding adjacent units after being electrified into a circuit and distributing to the layout according to a certain rule, wherein such special units are the active optical watermarks of the circuit; simulating to obtain the heat distribution map of the whole circuit while electrifying; performing the same test to the circuit and photographing after the circuit is manufactured and before packaging; comparing the simulated watermarks with the actual watermarks; if the watermark position changes or disappears, determining that the hardware Trojan is in the circuit. With the adoption of the method, the circuit is avoided various complex tests; the influence of the process noise and measurement noise in the traditional method can be overcome; the detection complexity can be obviously reduced; the detection accuracy can be improved.
Owner:58TH RES INST OF CETC
Method and device for testing virtual machine cluster, and readable storage medium
ActiveCN107632937AReduce test complexityImprove test efficiencySoftware testing/debuggingSoftware simulation/interpretation/emulationTest efficiencyVirtualization
The invention discloses a method for testing a virtual machine cluster. The method comprises the following steps that: installing a virtual operating system for a first physical machine, and revisingthe information of a configuration file in the first physical machine; adding a plurality of scripts in a second physical machine, and revising the information of the script configuration file in thesecond physical machine to adapt to a current operating environment; and operating each script to utilize target information corresponding to each script in the configuration file to finish testing. Therefore, by use of the method, through a plurality of added scripts operating in the second physical machine, a virtual cluster can be automatically created in the virtual operating system so as to realize relevant tests. In addition, when each script is operated, relevant information, i.e., target information, in the configuration file is automatically obtained, excessive human input is not required, so that testing complexity can be lowered, and testing efficiency is improved. In addition, the invention also provides a device for testing the virtual machine cluster and a readable storage medium with the above effect.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD
Shift register with individual driving node
ActiveUS7627077B2Increased complexityReduce test complexityStatic indicating devicesDigital storageShift registerElectricity
A shift register having individual driving nodes is disclosed. The shift register includes a first clock pull-down module, a second clock pull-down module, a key pull-down module, a self feedback module, and a driving output unit. The first clock pull-down module is used to pull-down the potential of a gate line to a low voltage when the first clock signal is in a high voltage level. The second clock signal pull-down module pulls down the potential of the gate line to the low voltage when the second clock signal is in a high voltage level. The key pull-down module rapidly pulls down the potential of the gate line to the low voltage level after the gate line outputs an output signal. The self feedback module is used to output a driving signal to the key pull-down module. The driving signal output unit outputs a next stage driving signal which is irrelative to the operation of the previous stage shift register.
Owner:AU OPTRONICS CORP
Semi-physical simulation test IMU (inertial measurement unit) simulation method for carrier rocket
ActiveCN107037739ADynamic properties are availableDynamic characteristicsMeasurement devicesSimulator controlControl systemClosed loop
The invention relates to a semi-physical simulation test IMU (inertial measurement unit) simulation method for a carrier rocket. The method can be used for replacing a real IMU and a rotating table for a simulation test at the stages of semi-physical simulation debugging, testing and formal testing. In addition, there is a function of testing the real rotating table and IMU dynamic features. According to the invention, the posture, speed and position signals of a dynamical model are received, and the IMU spinning top and meter measurement signals are obtained through resolving. The main functions of the IMU and the rotating table are simulated, and the open-loop and closed-loop semi-physical simulation tests in a normal mode and a fault mode are achieved. The dynamic features of the combination of the rotating table and the IMU are measured. Moreover, the method can achieve the testing and simulation of the dynamic features of a conventional rotating table and a conventional IMU. During testing, an IMU simulator can simulate the main functions of the rotating table and IMU, and generates the meter and spinning top measurement information through the posture, speed and position. The method can replace a real equipment for testing, remarkably reduces the cost, reduces the testing complexity, and simplifies the flow.
Owner:SHANGHAI AEROSPACE CONTROL TECH INST
Audio-based carrier rocket fault detection device and method
ActiveCN107963239AEnables non-contact testingReduce weightCosmonautic vehiclesCosmonautic partsSensor arrayRocket
The invention relates to an audio-based carrier rocket fault detection device and method. A sound sensor array receives a sound signal of a to-be-tested product of a rocket, and carries out signal acquisition processing on the sound signal; wavelet transformation and Fourier transformation are carried out, and then characteristic value extraction is carried out; a characteristic value is comparedwith a characteristic value of normal operation in a sound library, and if any characteristic value exceeds a limit threshold value, it is judged that the to-be-tested product on the rocket has a fault; and the characteristic value is compared with the sound characteristic of the corresponding typical fault in the sound library, and if the characteristic value is within the sound characteristic envelope range of a certain typical fault, it is judged that the fault type is the typical fault. According to the method, fault detection is carried out through the sound signals, the non-contact testof the rocket is realized, and test circuits inside the rocket are reduced, the problem caused by the fact that a circuit fault is tested on the rocket is avoided, and meanwhile, the weight of the rocket is reduced.
Owner:BEIJING INST OF ASTRONAUTICAL SYST ENG +1
Automatic detection system and method for grid-side energy storage monitoring AGC control system
InactiveCN110460076AReduce in quantityLong construction periodSingle network parallel feeding arrangementsAc network load balancingFunctional testingControl system
The invention discloses an automatic detection system and method for a grid-side energy storage monitoring AGC control system. The automatic detection system includes an automatic test end, a main station simulation end, a BMS system simulation end and a PCS equipment simulation end. PCs where the automatic test end, the main station simulation end, the BMS system simulation end and the PCS equipment simulation end are located respectively and a PC where a tested energy storage monitoring AGC system is located are connected to the same switch, are configured with IEC-104 parameters, and are connected by communication. The problems of high cost, long construction period and a small number of simulation devices for the function test, pressure test and stability test environment of the grid-side energy storage monitoring AGC system as well as the difficulties in simulation of a large number of abnormal device behaviors and devices with special states and mutual cooperation between devicesin the existing method are solved.
Owner:NANJING GUODIAN NANZI POWER GRID AUTOMATION CO LTD
Device for nondestructive testing of pipes
InactiveUS8344725B2Reduce mechanical complexityIncrease the value of informationMagnetic property measurementsMagnetostrictive transducersSensor arrayNon destructive
Owner:V&M DEUT GMBH
Device for nondestructive testing of pipes
InactiveUS20100219818A1Reduce mechanical complexityIncrease the value of informationMaterial magnetic variablesMagnetic sensor geometrical arrangementsSensor arrayNon destructive
A device for nondestructive testing of a pipe made of ferromagnetic steel for detection of longitudinal, transverse or inclined flaws using magnetic or magnetic-induction test procedures is disclosed. The device includes a magnetizing yoke which transmits the magnetic flux contactless into the pipe and at least two magnetic-field-sensitive scanning probes having GMR sensors. The GMR sensors are combined into sensor groups in form of a sensor array and electrically connected in parallel. A single preamplifier connected to each sensor group in one-to-one correspondence. The device further includes an evaluation unit.
Owner:V&M DEUT GMBH
Method and system for testing memory using hash algorithm
InactiveUS7346816B2Reduce test time and cost and complexity of testEfficient detectionElectrical testingStatic storageComputer hardware
Owner:LIU YEN FU
Model constructing method based on dynamic characteristic test of spacecraft
InactiveCN107066701AImprove accuracyReduce test complexityGeometric CADSpecial data processing applicationsEngineeringSpacecraft
The invention relates to a model constructing method based on a dynamic characteristic test of a spacecraft. The model constructing method comprises the following steps: dismantling a target spacecraft into a plurality of section substructures according to all section connecting surfaces of the target spacecraft, acquiring modal parameters of the plurality of section substructures in a fixed state, and constructing dynamic models of all the upper-stage section substructures according to the modal parameters; preliminarily correcting the dynamic models of all the section substructures; determining a combination preliminary model of the spacecraft according to the dynamic models of all the section substructures; determining a tooling matched with an upper-stage combination of the target spacecraft in size and interface; carrying out the dynamic characteristic test of an integral structure fixed boundary of the target spacecraft based on the target spacecraft so as to acquire structural modal parameters; correcting the combination preliminary model according to the structural modal parameters so as to obtain a final spacecraft dynamic model. According to the model constructing method disclosed by the invention, the construction accuracy of the dynamic model of the spacecraft can be improved, and the complexity of a ground test of a large-scale structure can be effectively reduced.
Owner:BEIJING INST OF STRUCTURE & ENVIRONMENT ENG +1
Storage medium, and method, apparatus and device for testing performance of storage device
InactiveCN107908513ASolve non-intuitive problemsAvoid not being able to store every block in the deviceFaulty hardware testing methodsPaper documentTest complexity
The present invention discloses a method for testing the performance of a storage device. The method comprises: selecting an input / output model of the storage device and setting test parameters corresponding to the input / output model to test the input / output performance of the storage device; according to the test parameters, acquiring a log file corresponding to input and output information of the storage device and an identifier of the storage device; storing test data in the log file corresponding to the identifier in a document named by the identifier; and analyzing and processing the testdata in the log file to obtain a test result. According to the method disclosed by the present invention, a log file corresponding to input and output information of the storage device and an identifier of the storage device can be acquired according to the test parameters, the acquired test data can be separately stored according to the identifier of the storage device, so that the problem thatthe test result is not intuitive is solved, and test complexity is reduced. In addition, the present invention also discloses an apparatus and a device for testing the performance of the storage device, and a readable storage medium, which can also achieve the above effects.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
Method for simplifying battery operating conditions of energy storage system
ActiveCN109358291AGuaranteed validityReduce test complexityElectrical testingTest complexityEnergy storage
The invention relates to a method for simplifying battery operating conditions of an energy storage system. The method simplifies the actual operating conditions of an energy storage battery into testconditions for laboratory testing, and comprises the following steps: simplifying the actual operating conditions of the energy storage battery; performing multi-objective optimization on simplifiedoperating condition parameters; shortening and accelerating the optimized actual operating conditions of the energy storage battery; and setting the test conditions. The method for simplifying batteryoperating conditions of an energy storage system adopts a method of segmenting and leveling a power sequence, and obtains a segmenting parameter K and a leveling parameter L through multi-objective optimization. As long as the values of the parameters K and L are determined, each actual operating condition may result in a unique simplified operating condition. The shortening and accelerating method can be applied to a battery of any capacity, and can shorten and accelerate a long-term measurement condition of a large battery pack to obtain a small battery short-time test condition. Accordingto the technical scheme, the application range of the simplified operating conditions is expanded, the actual battery test can be changed into a laboratory test, and the test complexity is reduced.
Owner:OCEAN UNIV OF CHINA
Test device and test method for active noise reduction headphone
ActiveUS9084060B2Reduce complexityEffectively isolating noise pollution of the noise source from the surrounding environmentEarpiece/earphone noise reductionAcoustic transmissionComputer module
Owner:GOERTEK INC
Method of recognizing moment of inertia of permanent magnet synchronous machine based on reduced-order current ring
ActiveCN106788061AReduce test complexityReduce mistakesElectronic commutation motor controlVector control systemsDC biasInertia
The invention discloses a method of recognizing rotational inertia of a permanent magnet synchronous machine based on a reduced-order current ring; current ring order reduction is performed according to motor electromagnetic parameters based on a current ring PI (proportional-integral) controller so that the current ring becomes a first-order response system; mechanical inertial parameters of the machine are acquired by measuring frequency response of the system under excitation of a reference torque of sinusoidal superposition direct-current bias. An algorithm may be integrated in a machine controller program just by using a universal converter, moment of inertia testing complexity is reduced, recognizing is simple and easy and is easy to implement in engineering, and the method is significant to the design of intelligent motor controllers.
Owner:SOUTHEAST UNIV
Lamp panel module group, box body, and LED display screen system
InactiveCN105047135AReduce test complexityReduce consumptionStatic indicating devicesElectricityLED display
The invention relates to a lamp panel module group, a box body employing the same, and an LED display screen system. The lamp panel module group comprises an LED drive chip, a plurality of LED lamp points which are electrically connected with the LED drive chip, a nonvolatile storage, and a sensor. The lamp panel module group also comprises an intelligent device, and the intelligent device is electrically connected with the LED drive chip, the nonvolatile storage and the sensor and is provided with a serial communication interface. The intelligent device is used for receiving an image data package through the serial communication interface, then analyzing the image data package, generating a control signal for controlling the time sequence of the LED drive chip so as to drive and control the plurality of LED lamp points for image display through the LED drive chip. Therefore, a connection line between a receiving card and the lamp panel module group can be simplified, the energy consumption of the receiving card is reduced, and the internal space of the box body is saved. Moreover, a system fault risk is reduced, and / or the intelligentization of the lamp panel module group is achieved.
Owner:XIAN NOVASTAR TECH
Test system and method for scale software
ActiveCN106547695AIncrease coverageReduce test complexitySoftware testing/debuggingTest objectTesting reliability
The present invention discloses a test system and method for scale software. The test system comprises: a vector generating module, used for generating a test vector by a function drive and random test method for a tested object; a monitoring module, used for monitoring a path coverage of a test target set of the tested object according to the generated test vector, and when it it monitored that the path coverage of the test target set reaches a critical state, searching for and acquiring a path that is not covered of the test target set of the tested object; and a model calculation module, used for establishing a mathematical model according to the path that is not covered of the test target set, and solving the mathematical model to obtain a test vector of the path that is not covered of the test target set. The present invention provides a simple test vector set construction scheme, which can improve the coverage of the test target set and improve reliability and efficiency of tests.
Owner:中广核工程有限公司 +1
Video decoding chip testing device and method
ActiveCN104320655AReduce test complexityImprove test efficiencyTelevision systemsSelective content distributionTest efficiencyComputer science
The invention provides a video decoding chip testing device and method. A video decoding chip outputs multiple composite video signals. The testing device comprises a video signal processing device used for processing the multiple composite video signals to obtain a single standard video signal, and a video signal analyzing device used for measuring the single standard video signal to obtain the parameter indexes of the video signal. By the adoption of the testing device, testing complexity is effectively reduced, and testing efficiency is improved.
Owner:HANGZHOU SILAN MICROELECTRONICS
Distributed cluster simulation system, method and device
ActiveCN103297450ASave resourcesReduce test complexityTransmissionSpecial data processing applicationsData packTest efficiency
The invention provides a distributed cluster simulation system, method and device. The system comprises an upstream searching module, a downstream distributed cluster and a network bridge. The downstream distributed cluster comprises a plurality of downstream searching modules. The network bridge receives a pressure request sent by the upstream searching module, sends the pressure request to the downstream searching modules, then forwards data packs returned by the downstream searching modules according to the pressure request to the upstream searching module and stores communication data packs between the upstream searching module and the downstream searching modules at the same time. The network bridge generates a dictionary according to the communication data packs based on a preset format, searches a data pack corresponding to the pressure request in the dictionary according to the pressure request sent by the upstream searching module and returns the data pack to the upstream searching module. According to the system, a cluster can be simulated through the network bridge, resources are saved, testing complexity is lowered, testing efficiency is improved, and test simulation on any flowing data stream can be achieved.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
Serial port communication self-check method
InactiveCN106897179AQuick testFast testDetecting faulty computer hardwareCommunications systemLoop control
The invention discloses a serial port communication self-inspection method, comprising the following steps: a microprocessor sends an instruction according to the type of the serial port to be detected, and selects a corresponding serial port drive unit working mode; the microprocessor controls the serial port through the drive and logic The unit, the serial port expansion chip and the isolation protection circuit send a self-loop control command to the serial port drive unit, so that the serial port drive unit drives the controlled component, so that the data receiving end and the data transmitting end of the serial port drive unit pass through the The controlled components are directly connected; the microprocessor sends test data to the serial port drive unit, and the serial port drive unit returns the received test data directly from the data receiving end to the microprocessor device; the microprocessor compares the test data it receives with the test data it sends to detect where the serial port communication system is faulty, and the present invention can quickly test the serial port communication system without the need for external cables.
Owner:CHONGQING UNIV
Non-vehicle charger electric energy metering performance test system and method based on virtual load
The invention relates to a non-vehicle charger electric energy metering performance test system and method based on a virtual load. The system comprises a DC voltage source 1, a DC current source 2, a non-vehicle charger 3 and a DC electric meter 4, wherein the DC voltage source is used for outputting a DC voltage signal to the non-vehicle charger 3, the DC current source is used for outputting a DC current signal to the non-vehicle charger 3, the non-vehicle charger has a virtual load test portion, a metering module of the virtual load test portion is used for metering electric energy passing through the non-vehicle charger 3, the DC electric meter is used for metering the electric energy passing through the non-vehicle charger 3, the electric energy metered by the DC electric meter is compared with the electric energy metered by the metering module of the non-vehicle charger 3 to acquire electric energy difference, and the electric energy difference is an electric energy metering error of the non-vehicle charger.
Owner:CHINA ELECTRIC POWER RES INST +1
Interface testing method and device
InactiveCN106610894AFast testReduce test complexitySoftware testing/debuggingComputer moduleTest complexity
Owner:ALIBABA GRP HLDG LTD
CHARACTERIZATION OF PHASE SHIFTER CIRCUITRY IN INTEGRATED CIRCUITS (ICs) USING STANDARD AUTOMATED TEST EQUIPMENT (ATE)
ActiveUS20180011171A1Reduce test complexityConfirm functionalityRadiofrequency circuit testingAutomated test systemsIntermediate frequencyPhase state
A method for characterizing a phase shifter in a device under test (DUT) using automated test equipment (ATE) is disclosed. The method comprises down converting an input signal received from the transmitter DUT to an intermediate frequency and routing the down converted input signal to a signal processor, wherein the signal processor generates I and Q signals using the input signal. The method further comprises setting an initial phase state on the phase shifter in the transmitter DUT and toggling at least one phase state bit to control the phase shifter to cycle through a plurality of phase states, wherein the changing phase states appear on the I and Q signals. Finally, the method comprises processing the I and Q signals to extract individual phase states programmed by the at least one phase state bit.
Owner:ADVANTEST CORP
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