CN104750101B - A kind of airborne inquisitor digital signal processing module detection method - Google Patents
A kind of airborne inquisitor digital signal processing module detection method Download PDFInfo
- Publication number
- CN104750101B CN104750101B CN201510160231.3A CN201510160231A CN104750101B CN 104750101 B CN104750101 B CN 104750101B CN 201510160231 A CN201510160231 A CN 201510160231A CN 104750101 B CN104750101 B CN 104750101B
- Authority
- CN
- China
- Prior art keywords
- data
- module
- test
- detection method
- card
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
Abstract
The invention provides a kind of airborne inquisitor digital signal processing module detector and its detection method, including test main frame, test main frame is connected using each hardware function of standard PXI EBIs by PXI case back plates；Each hardware function includes main control computer, bus card, 1553B cards, Complex interface card, universal meter card and oscillograph card；Also include test fixture, including power module, bottom plate pinboard and structural cavity body, structural cavity body play a supportive role, power module provides the power supply of need of work to part to be measured and exported by bottom plate pinboard；Also include the keyboard display module being connected with the main control computer；Part to be measured is loaded on test fixture to be connected by cable with main frame.Small volume, cost are low, can be directed to airborne inquisitor digital signal processing module and carry out the test such as function, performance, can realize that component level faults position.
Description
Technical field
The present invention relates to a kind of airborne inquisitor digital signal processing module detection method, it is applied to more particularly to one kind
Space industry, the special detector and its detection method of airborne inquisitor internal digital signal processing module.
Background technology
Airborne inquisitor is one of important composition of airborne inquiry response system, and another important composition is then airborne response
Machine.After inquisitor is inquired by regulation coded format and requirement, wait to be received coming from airborne answering machine（It is absolutely empty）Or warship
The answer signal of answering machine (vacant lot) is carried, detects and translates this answer signal, to identify the identity of the carrier aircraft of the answering machine, be
Pilot or automatic monitoring system respond offer foundation corresponding to making.These information include the identification of aircraft identity code, position
Confidence ceases and the specific position recall signal of friendly machine, answer information etc. of meeting an urgent need.
So far, it there is no on domestic and international market and carry out function, performance specifically for airborne inquisitor digital signal processing module
Deng the automation special inspecting equipment of test, the positioning of component level faults.
But existing means of testing mainly carries out building test environment using special and common hardware functional module, then lead to
The means for crossing bus marco are tested automatically.The big cost of the more volumes of tester quantity is high, and part instrumentation is bought again
Limitation；The positioning of component level faults is limited to module to be measured and reserves the few situation of test point, and many characteristic signals are needed in core
Piece pin direct measurement there is no method to accomplish automatically, it is necessary to tester progressively carries out troubleshooting manually according to software prompt.
PXI technologies have open and scalability well, can realize different Functional Designs according to demand.Coordinate spirit
Software living, various automatic test work can be completed.PXI technologies are built test environment from former a lot of various
The set of various kinds test equipment is reduced to a cabinet and adds corresponding hardware function and display control device.
PXI technological innovations traditional complexity cumbersome test job, has carried out the new situation of portable test.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of small volume, cost are low, airborne inquisitor numeral can be directed to
Processing module carries out the airborne inquisitor digital signal processing module inspection of the tests such as function, performance, the positioning of component level faults
Survey method.
The technical solution adopted by the present invention is as follows：A kind of airborne inquisitor digital signal processing module detector, including survey
Main frame is tried, test main frame is connected using each hardware function of standard PXI EBIs by PXI case back plates；It is described
Each hardware function includes main control computer, bus card, 1553B cards, Complex interface card, universal meter card and oscillograph card；
It is characterized in that：Also include test fixture, including power module, bottom plate pinboard and structural cavity body, structural cavity body plays support and made
With power module provides the power supply of need of work to part to be measured and exported by bottom plate pinboard；Also include and the master control meter
The connected keyboard display module of calculation machine；Part to be measured is loaded on test fixture to be connected by cable with main frame.
Preferably, each connecting cable between part and main frame to be measured is special test cable.
Airborne inquisitor digital signal processing module detection method based on above-mentioned detector, the detection of Target dots processing module
Method is：The RS422 data A for the Target dots processing module that prestored in Complex interface card；In detection before electricity, Target dots processing module is entered
Row short circuit and voltage tester, it is ensured that occur without short circuit and each road operating voltage is normal；In detection after electricity, aobvious control interface passes through comprehensive
Close interface card and send read bus data command to Target dots processing module；Target dots processing module is stored in comprehensive by the reading of AT96 buses
The AT96 bus control commands on Target dots processing module in interface card RAM are closed, and pass through bus card analysis site mark processing module
RS422 data B；Bus card compares the RS422 data A with the RS422 data B, and it is correct to provide RS422 data B
Whether judgement, display is over the display；Test point test is carried out to the respective lines of output signal error, it is special according to test point
Property positioning failure component.
Preferably, the detection method of decoding module is：Prestore the decoding data A of decoding module in Complex interface card；
In detection before electricity, short circuit and voltage tester are carried out to decoding module, it is ensured that occur without short circuit and each road operating voltage is normal；Inspection
In survey after electricity, show control interface and read bus data command is sent to decoding module by Complex interface card；Decoding module passes through AT96
Bus reads the AT96 bus control commands being stored in Complex interface card RAM on decoding module, and is analyzed by bus card
The decoding data B of decoding module；Bus card compares the decoding data A with the decoding data B, provides decoding data B
The judgement of correctness, display is over the display.
Preferably, the decoding data includes and video signal data, poor video signal data, Sin phase demodulations video letter
Number and Cos phase demodulation video signal datas.
Preferably, addressable port module detection method is：The biography down for the addressable port module that prestored in Complex interface card
Control data A；In detection before electricity, short circuit and voltage tester are carried out to addressable port module, it is ensured that without short circuit generation and each road
Operating voltage is normal；In detection after electricity, show control interface and read bus data life is sent to addressable port module by Complex interface card
Order；1553B cards send down-transmitting data and give addressable port module；Complex interface clamping receives the down-transmitting data and draws addressable port mould
The biography control data B down of block；Complex interface card compares the control data A that passes down with the control data B that passes down, provides
The judgement for passing control data B correctness down of addressable port module, display is over the display.
Preferably, the addressable port module detection method also includes, prestore addressable port module in 1553B cards
Upload state of a control data A；Complex interface card sends upload data by AT96 buses and gives addressable port module；Addressable port mould
The upload status data B that the upload data are drawn is sent to 1553B cards by block；1553B cards upload state of a control number by described
According to A compared with the upload state of a control data B, the upload state of a control data B correctness of addressable port module is provided
Judgement, display over the display.
Preferably, the upload state of a control data include coding-control data and discrete control data.
Preferably, the method for testing of the test point is：Add the survey of all test point positions of the test object
Try pictorial information；Contrasted after the measured value of practical test points is converted into waveform or data with its reference value and provide judgement knot
Fruit；The test pictures information includes test point position, signal type and test point reference waveform or data.
Compared with prior art, the beneficial effects of the invention are as follows：Small volume, cost are low, can be directed to airborne inquisitor number
Word processing module carries out the test such as function, performance, can realize that component level faults position.
Brief description of the drawings
Fig. 1 is a wherein embodiment midpoint mark processing module detection method schematic diagram of the invention.
Fig. 2 is decoding module detection method schematic diagram in a wherein embodiment of the invention.
Fig. 3 is addressable port module detection method schematic diagram in a wherein embodiment of the invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
This specification（Including any accessory claim, summary and accompanying drawing）Disclosed in any feature, except non-specifically chatting
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
A simply example in a series of equivalent or similar characteristics.
A kind of airborne inquisitor digital signal processing module detector, including test main frame, test main frame use standard PXI
Each hardware function of EBI is connected by PXI case back plates；Each hardware function includes master control meter
Calculation machine, bus card, 1553B cards, Complex interface card, universal meter card and oscillograph card；It is characterized in that：Also include test fixture,
Played a supportive role including power module, bottom plate pinboard and structural cavity body, structural cavity body, power module provides work to part to be measured
The power supply that needs simultaneously is exported by bottom plate pinboard；Also include the keyboard display module being connected with the main control computer；It is to be measured
Part is loaded on test fixture to be connected by cable with main frame.
According to the detection device internal field production line requirement, during design in view of it is compact it is portable, be easy to extension
Characteristic, built using general module, convenient use and maintenance.Host machine part all hardware module uses PXI standard interfaces, leads to
The PXI buses for crossing the backboard of cabinet carry out data transmission, and complete observing and controlling and display function.
Each connecting cable between part and main frame to be measured is special test cable.
In view of the portable design of equipment, so equipped with special test cable between main frame and Special-purpose testing jig
Anti-misplug designs.Test cable is easy to install, dismantle and transport.Settled at one go in test process, without changing connecting cable.
Airborne inquisitor digital signal processing module detection method based on above-mentioned detector, as shown in figure 1, Target dots processing
The detection method of module is：The RS422 data A for the Target dots processing module that prestored in Complex interface card；In detection before electricity, to a mark
Processing module carries out short circuit and voltage tester, it is ensured that occurs without short circuit and each road operating voltage is normal；In detection after electricity, show control
Interface sends read bus data command by Complex interface card to Target dots processing module；Target dots processing module is read by AT96 buses
Take and be stored in AT96 bus control commands in Complex interface card RAM on Target dots processing module, and pass through bus card analysis site
The RS422 data B of mark processing module；Bus card compares the RS422 data A with the RS422 data B, provides RS422
The judgement of data B correctness, display is over the display；Test point test, root are carried out to the respective lines of output signal error
According to test dot characteristics positioning failure component.
As shown in Fig. 2 the detection method of decoding module is：Prestore the decoding data A of decoding module in Complex interface card；
In detection before electricity, short circuit and voltage tester are carried out to decoding module, it is ensured that occur without short circuit and each road operating voltage is normal；Inspection
In survey after electricity, show control interface and read bus data command is sent to decoding module by Complex interface card；Decoding module passes through AT96
Bus reads the AT96 bus control commands being stored in Complex interface card RAM on decoding module, and is analyzed by bus card
The decoding data B of decoding module；Bus card compares the decoding data A with the decoding data B, provides decoding data B
The judgement of correctness, display is over the display.
The decoding data include and video signal data, poor video signal data, Sin phase demodulations video signal data and
Cos phase demodulation video signal datas.The special vision signal of part " decoding module " to be measured is produced by Complex interface card, and analyzes decoding
The professional format decoding data of module output.
As shown in figure 3, addressable port module detection method is：The biography down for the addressable port module that prestored in Complex interface card
Control data A；In detection before electricity, short circuit and voltage tester are carried out to addressable port module, it is ensured that without short circuit generation and each road
Operating voltage is normal；In detection after electricity, show control interface and read bus data life is sent to addressable port module by Complex interface card
Order；1553B cards send down-transmitting data and give addressable port module；Complex interface clamping receives the down-transmitting data and draws addressable port mould
The biography control data B down of block；Complex interface card compares the control data A that passes down with the control data B that passes down, provides
The judgement for passing control data B correctness down of addressable port module, display is over the display.
The addressable port module detection method also includes, the upload control for the addressable port module that prestored in 1553B cards
Status data A；Complex interface card sends upload data by AT96 buses and gives addressable port module；Addressable port module is by described in
Upload the upload status data B that data are drawn and be sent to 1553B cards；1553B cards by the upload state of a control data A with it is described
Upload state of a control data B to compare, provide the judgement of the upload state of a control data B correctness of addressable port module, show
Show over the display.
Due to the particularity for the signal that addressable port module is received and sent, can only use our special 1553B cards with
Complex interface card is analyzed.
The upload state of a control data include coding-control data and discrete control data.
The method of testing of the test point is：Add the test pictures letter of all test point positions of the test object
Breath；Contrasted after the measured value of practical test points is converted into waveform or data with its reference value and provide judged result；The survey
Attempting piece information includes test point position, signal type and test point reference waveform or data.The test pictures information is also wrapped
Include the probe tested the point and should used, test cable annexation and test points for attention.
If detect that measurand has failure, first the basic test point to measurand（Power supply, input signal
And programming device）Tested, then the output signal test point of failure is tested, can not partly use instrument
In the case of detection, test system provides accurate result and judged by operating personnel with reference to accurate result to mistake.
In most cases according to the measured waveform or data of test point, compared with the reference waveform or data of collection
It is right, you can to diagnose the component that is out of order.When test point receives external interference, measured result can not reflect tested module
Time of day.,, may when testing certain test point due to the influence of space radiation so that radio-frequency module is tested as an example
Because operating environment is different cause test result different, in this case, cannot be sentenced with certain measured value of test point
Disconnected component quality, but certain component is judged according to a series of changing rule of test point measured values of this manual test
Quality.
Claims (8)
- A kind of a kind of 1. airborne inquisitor digital signal processing module detection method, based on airborne inquisitor Digital Signal Processing mould Block detector, including test main frame, test main frame pass through PXI machines using each hardware function of standard PXI EBIs Case backboard is connected；Each hardware function includes main control computer, bus card, 1553B cards, Complex interface card, general-purpose Table card and oscillograph card；Also include test fixture, including power module, bottom plate pinboard and structural cavity body, structural cavity body plays branch Support acts on, and power module provides the power supply of need of work to part to be measured and exported by bottom plate pinboard；Also include and the master Control the connected keyboard display module of computer；Part to be measured is loaded on test fixture to be connected by cable with main frame；The detection method of Target dots processing module is：The RS422 data A for the Target dots processing module that prestored in Complex interface card；Detection Before upper electricity, short circuit and voltage tester are carried out to Target dots processing module, it is ensured that occur without short circuit and each road operating voltage is normal；Inspection In survey after electricity, show control interface and read bus data command is sent to Target dots processing module by Complex interface card；Target dots processing module The AT96 bus control commands being stored in Complex interface card RAM on Target dots processing module are read by AT96 buses, and led to Cross the RS422 data B of bus card analysis site mark processing module；Bus card is by the RS422 data A and the RS422 data B phases Compare, provide the judgement of RS422 data B correctness, display is over the display；The respective lines of output signal error are carried out Test point is tested, according to test dot characteristics positioning failure component.
- 2. detection method according to claim 1, the detection method of decoding module are：Prestore decoding in Complex interface card The decoding data A of module；In detection before electricity, short circuit and voltage tester are carried out to decoding module, it is ensured that occur without short circuit and each Road operating voltage is normal；In detection after electricity, show control interface and read bus data command is sent to decoding module by Complex interface card； Decoding module reads the AT96 bus control commands being stored in Complex interface card RAM on decoding module by AT96 buses, And the decoding data B of decoding module is analyzed by bus card；Bus card is by the decoding data A compared with the decoding data B Compared with providing the judgement of decoding data B correctness, display is over the display.
- 3. detection method according to claim 2, the decoding data includes and video signal data, poor vision signal number According to, Sin phase demodulations video signal data and Cos phase demodulation video signal datas.
- 4. detection method according to claim 1, addressable port module detection method are：Prestore volume in Complex interface card The biography control data A down of code interface module；In detection before electricity, short circuit and voltage tester are carried out to addressable port module, it is ensured that nothing Short circuit occurs and each road operating voltage is normal；In detection after electricity, addressable port module is given in aobvious control interface by Complex interface card Send read bus data command；1553B cards send down-transmitting data and give addressable port module；Number is passed under Complex interface clamping receipts are described According to the biography control data B down for drawing addressable port module；Complex interface card passes down control data A and the lower transmission control system by described Data B compares, and provides the judgement for passing control data B correctness down of addressable port module, display is over the display.
- 5. detection method according to claim 4, the addressable port module detection method also includes, in 1553B cards The upload state of a control data A for the addressable port module that prestores；Complex interface card is sent by AT96 buses uploads data to coding Interface module；The upload status data B that the upload data are drawn is sent to 1553B cards by addressable port module；1553B cards will The upload state of a control data A provides the upload control of addressable port module compared with the upload state of a control data B The judgement of status data B correctness, display is over the display.
- 6. detection method according to claim 5, the upload state of a control data include coding-control data and discrete Control data.
- 7. detection method according to claim 1, the method for testing of the test point are：Add the institute of the test object There is the test pictures information of test point position；By the measured value of practical test points be converted to after waveform or data with its reference value pair Than and provide judged result；The test pictures information includes test point position, signal type and test point reference waveform or number According to.
- 8. detection method according to claim 1, each connecting cable between part and main frame to be measured is special Test cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510160231.3A CN104750101B (en) | 2015-04-07 | 2015-04-07 | A kind of airborne inquisitor digital signal processing module detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510160231.3A CN104750101B (en) | 2015-04-07 | 2015-04-07 | A kind of airborne inquisitor digital signal processing module detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104750101A CN104750101A (en) | 2015-07-01 |
| CN104750101B true CN104750101B (en) | 2017-11-14 |
Family
ID=53589957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510160231.3A Active CN104750101B (en) | 2015-04-07 | 2015-04-07 | A kind of airborne inquisitor digital signal processing module detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104750101B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106776158A (en) * | 2015-11-20 | 2017-05-31 | 南京理工大学 | Amphibious barrier-breaking car mainframe box detecting system based on PC104 bus computers |
| CN109656263B (en) * | 2017-10-11 | 2021-10-15 | 江西洪都航空工业集团有限责任公司 | Engine parameter correction method |
| CN115933606B (en) * | 2022-12-22 | 2023-11-14 | 芜湖特益智能科技有限公司 | Multifunctional floor washing machine controller and instrument detection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201654997U (en) * | 2010-01-27 | 2010-11-24 | 成都华太航空科技有限公司 | General automatic testing system for avionic devices |
| CN202676198U (en) * | 2012-06-15 | 2013-01-16 | 四川纵横测控技术股份有限公司 | Portable test device based on PCIe bus extension technology |
| CN202904367U (en) * | 2012-06-12 | 2013-04-24 | 湖北三江航天红峰控制有限公司 | A testing system based on a PXI bus |
| CN103414529A (en) * | 2013-08-26 | 2013-11-27 | 华北计算技术研究所 | Universal automatic testing and fault diagnosis system |
| CN203350444U (en) * | 2013-07-04 | 2013-12-18 | 四川九洲空管科技有限责任公司 | Detector of airborne identification friend or foe system based on virtual instrument technology |
| CN204087192U (en) * | 2014-08-19 | 2015-01-07 | 中国人民解放军理工大学 | Portable field maintenance support equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4762207B2 (en) * | 2007-07-10 | 2011-08-31 | 株式会社東芝 | DSP card testing equipment |
| CN201327675Y (en) * | 2008-11-28 | 2009-10-14 | 中国航天空气动力技术研究院 | Automatic comprehensive test instrument for avionic devices |
| US8166343B2 (en) * | 2009-12-01 | 2012-04-24 | Hamilton Sundstrand Corporation | Processing system hardware diagnostics |
-
2015
- 2015-04-07 CN CN201510160231.3A patent/CN104750101B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201654997U (en) * | 2010-01-27 | 2010-11-24 | 成都华太航空科技有限公司 | General automatic testing system for avionic devices |
| CN202904367U (en) * | 2012-06-12 | 2013-04-24 | 湖北三江航天红峰控制有限公司 | A testing system based on a PXI bus |
| CN202676198U (en) * | 2012-06-15 | 2013-01-16 | 四川纵横测控技术股份有限公司 | Portable test device based on PCIe bus extension technology |
| CN203350444U (en) * | 2013-07-04 | 2013-12-18 | 四川九洲空管科技有限责任公司 | Detector of airborne identification friend or foe system based on virtual instrument technology |
| CN103414529A (en) * | 2013-08-26 | 2013-11-27 | 华北计算技术研究所 | Universal automatic testing and fault diagnosis system |
| CN204087192U (en) * | 2014-08-19 | 2015-01-07 | 中国人民解放军理工大学 | Portable field maintenance support equipment |
Non-Patent Citations (4)
| Title |
|---|
| DSP功能测试方法研究;高剑 等;《计算机与数字工程》;20100930;第38卷(第09期);第28-30页，第40页 * |
| DSP处理器的功能测试;刘洁;《中国优秀硕士学位论文全文数据库 信息科技辑》;20130315;正文8-19页 * |
| 基于PXI总线技术的飞机电气综合测试系统;吴伟 等;《计算机测量与控制》;20040930(第09期);第804-806页 * |
| 基于PXI总线的电子装备测试系统设计;陈亮 等;《科学技术与工程》;20111130;第11卷(第33期);第8243-8246页，第8265页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104750101A (en) | 2015-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101848042B (en) | Method and system for testing radio frequency of mobile phones | |
| CN104809946A (en) | Intelligent teaching and checking system for electrical control experimental training | |
| CN108037444B (en) | GNSS PCBA automatic test system and application method thereof | |
| CN202110438U (en) | Integrated multifunctional 1553B bus analyzer | |
| CN104751690A (en) | Automatic analog electronic technology experiment data testing and correcting system and method thereof | |
| CN105091927A (en) | All-liquid-crystal automobile instrument automatic test platform | |
| CN104750101B (en) | A kind of airborne inquisitor digital signal processing module detection method | |
| CN103149527A (en) | Printed circuit board (PCB) detecting device and corresponding method | |
| CN111769890B (en) | Transponder production detecting system | |
| CN200997633Y (en) | Automatic testing system based on graphic testing platform | |
| CN111239441A (en) | Wire harness detection device with mode comparison function | |
| CN108230811A (en) | A kind of High-voltage measuring box wiring simulation training system and its operating method | |
| CN201497780U (en) | Rapid cyclic-detection device for two-wire industrial instruments | |
| CN110109043A (en) | Electric energy meter detection method, detection terminal and computer readable storage medium | |
| CN105117334A (en) | XML based test demand description and realization method | |
| CN202050507U (en) | Video display testing system | |
| CN209248512U (en) | Multichannel flash chip test device | |
| CN203606698U (en) | Test equipment of dual-machine hot standby switching board | |
| CN2884656Y (en) | Simulator for testing power loading management terminal communication | |
| CN106200623B (en) | The semi-physical simulation test device of reactor core measuring system logic module | |
| CN105842560A (en) | Relay protection type component testing system | |
| CN206193129U (en) | Millimeter wave detector automatic test system | |
| CN107065660B (en) | Test method and system | |
| CN105652188A (en) | Contactless card radio frequency performance automatic test system and test method thereof | |
| CN105115710B (en) | Torque wrench life test machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |