CN105388360A - Radar signal simulator test system and testing method - Google Patents
Radar signal simulator test system and testing method Download PDFInfo
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- CN105388360A CN105388360A CN201510703937.XA CN201510703937A CN105388360A CN 105388360 A CN105388360 A CN 105388360A CN 201510703937 A CN201510703937 A CN 201510703937A CN 105388360 A CN105388360 A CN 105388360A
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- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 238000004891 communication Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 238000010998 test method Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000011161 development Methods 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 abstract 3
- 238000005516 engineering process Methods 0.000 description 2
- 241000700199 Cavia porcellus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000005855 radiation Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
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- Power Engineering (AREA)
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Abstract
The present invention discloses a radar signal simulator test system which comprises a test computer, an GPIB interface card, a spectrum analyzer, a GPIB cable and a serial cable, wherein the GPIB interface card is installed in the PCI slot of the test computer, the external interface is connected to the spectrum analyzer through the GPIB cable, the test computer is connected to the serial port of the tested radar signal simulator through the serial cable, and the microwave signal input port of the spectrum analyzer is connected to the signal output port of the tested radar signal simulator through a microwave cable. The invention also discloses the testing method of the above radar signal simulator test system.
Description
Technical field
The present invention relates to a kind of radar signal simulator test macro and method of testing, belong to electronic countermeasure field.
Background technology
Radar signal simulator can according to external signal instruction and by controlling inner microwave device launched microwave signal, and the signal launched during guinea pig work, can be used on the field such as military affairs, scientific research.The precision of radar signal simulator transmission signal parameters weighs the important parameter of its performance.When testing its parameter, gathering its microwave signal of launching often through frequency spectrograph, and comparing with controling parameters and add up its precision.Owing to needing the parameter of measurement more, the parameters such as such as different carrier frequency and power, have great importance so a kind of efficient test macro and method of testing are produced the design of radar signal simulator.
Summary of the invention
Goal of the invention: technical matters to be solved by this invention is to provide a kind of radar signal simulator test macro and method of testing, this system also can compare controling parameters and actual measurement parameter by reading frequency spectrograph measurement data by control radar signal simulator launched microwave signal under the control of testing software, thus instrumentation radar signal simulator precision.
Summary of the invention: for solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of radar signal simulator test macro, comprises test computer, gpib interface card, frequency spectrograph, GPIB cable and serial interface cable; Described gpib interface card is arranged in described test computer PCI slot, and its external interface is connected with described frequency spectrograph by described GPIB cable; Described test computer is connected with tested radar signal simulator serial ports by described serial interface cable; The microwave signal input port of described frequency spectrograph connects the signal output of described tested radar signal simulator by microwave cable.
Wherein, described test computer is provided with testing software, and described testing software adopts LabVIEW development environment to write; Described testing software is called described frequency spectrograph driver and is communicated with described frequency spectrograph by gpib bus; Described testing software is by serial ports message and described tested radar signal simulator internal control software communication.
Wherein, one end that described serial interface cable is connected with described test computer adopts DB9 needle serial port joint, and the one end be connected with described tested radar signal simulator adopts the circular aviation plug of spininess.
Wherein, the method for testing of above-mentioned radar signal simulator test macro adopts following steps:
1) initialization is carried out to frequency spectrograph interface and serial ports;
2) established a communications link by serial ports and tested radar signal simulator;
4) user inputs the parameter needing test;
5) start test by serial communication to tested radar signal simulator request, if equipment allows test, carry out the 6th) step, otherwise request for test again;
6) send instruction according to test parameter to tested radar signal simulator, control radar signal simulator launched microwave signal, the parameter that the parameters such as the carrier frequency transmitted, repetition, pulsewidth and power are inputted by user and current test point are determined;
7) testing software reads the parameters such as the frequency values of input signal that frequency spectrograph gathers and performance number;
8) signal parameter of the tested radar signal simulator transmitting of current control and the actual signal parameter of frequency spectrograph collection is recorded;
9) judge whether all test points have tested, if completed, carry out the 10th) step, otherwise be switched to next test point and carry out the 6th) step;
10) compare the difference of controling parameters and practical measurement signals parameter and add up the test result of all test points;
11) if input parameter will be changed continue test, the 4th is carried out) step, otherwise test terminates.
Beneficial effect: compared to prior art, test macro completes all test points needed for radar signal simulator according to user's input parameter automatically, greatly can save the test duration, improve testing reliability, avoid artificial reading on the impact of measurement result simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural drawing of radar signal simulator test macro of the present invention;
Fig. 2 is the test flow chart of radar signal simulator test macro of the present invention.
Embodiment
According to following embodiment, the present invention may be better understood.But those skilled in the art will readily understand, the content described by embodiment only for illustration of the present invention, and should can not limit the present invention described in detail in claims yet.
As shown in Figure 1, testing process as described in Figure 2 for radar signal simulator test macro.Test macro comprises test computer 1, gpib interface card 5, frequency spectrograph 2, GPIB cable 3 and serial interface cable 4.Gpib interface card 5 is arranged in the PCI slot of test computer 1, its external interface is connected with frequency spectrograph 2 by GPIB cable 3, test computer 1 is connected with the serial ports of tested radar signal simulator A by serial interface cable 4, and the microwave signal input port of frequency spectrograph 2 connects the signal output of tested radar signal simulator A by microwave cable.
Wherein, test computer 1 is provided with testing software, and testing software adopts LabVIEW development environment to write.Testing software is called driver that frequency spectrograph equipment supplier provides and is communicated with frequency spectrograph 2 by gpib bus; Testing software, also by serial ports message and tested radar signal simulator A internal control software communication, controls to survey the radar signal that radar signal simulator A launches relevant parameter; Radar signal parameter generally comprises carrier frequency, power, repetition and pulsewidth etc.
Wherein, one end that serial interface cable 4 is connected with test computer 1 adopts DB9 needle serial port joint, and the one end be connected with tested radar signal simulator A adopts the circular aviation plug of spininess to improve communication reliability.
The method of the signal frequency precision that test macro is launched radar signal simulator A and power accuracy test adopts following steps:
1) initialization is carried out to frequency spectrograph interface and serial ports;
2) established a communications link by serial ports and tested radar signal simulator;
4) user inputs the parameter needing test, comprises frequency set and the power of needs test.Such as, test frequency 2GHz to 6GHz, frequency step 10MHz, radiation power-30dBm, signal is continuous wave;
5) start test by serial communication to tested radar signal simulator request, if equipment allows test, carry out the 6th) step, otherwise request for test again;
6) send instruction according to test parameter to tested radar signal simulator, control radar signal simulator launched microwave signal, the carrier frequency transmitted and and the parameter such as power by the 4th) parameter of step user input and current test point determine;
7) testing software reads frequency values and the performance number of the input signal that frequency spectrograph gathers;
8) frequency values and the performance number of frequency and performance number that the tested radar signal simulator of current control transmits and the actual signal that frequency spectrograph gathers is recorded;
9) judge whether all test points have tested, if completed, carry out the 10th) step, otherwise change to next test point and carry out the 6th) step;
10) compare the difference of controling parameters and practical measurement signals parameter and consider the loss of microwave cable, add up the frequency error of all test points and power error and export testing journal sheet;
11) if input parameter will be changed continue test, the 4th is carried out) step, otherwise test terminates.
Claims (4)
1. a radar signal simulator test macro, is characterized in that: comprise test computer, gpib interface card, frequency spectrograph, GPIB cable and serial interface cable; Described gpib interface card is arranged in described test computer PCI slot, and its external interface is connected with described frequency spectrograph by described GPIB cable; Described test computer is connected with tested radar signal simulator serial ports by described serial interface cable; The microwave signal input port of described frequency spectrograph connects the signal output of described tested radar signal simulator by microwave cable.
2. radar signal simulator test macro according to claim 1, is characterized in that: described test computer is provided with testing software, and described testing software adopts LabVIEW development environment to write; Described testing software is called described frequency spectrograph driver and is communicated with described frequency spectrograph by gpib bus; Described testing software is by serial ports message and described tested radar signal simulator internal control software communication.
3. radar signal simulator test macro according to claim 1, it is characterized in that: one end that described serial interface cable is connected with described test computer adopts DB9 needle serial port joint, the one end be connected with described tested radar signal simulator adopts the circular aviation plug of spininess.
4. the method for testing of radar signal simulator test macro according to claim 1, is characterized in that: method of testing adopts following steps:
1) initialization is carried out to frequency spectrograph interface and serial ports;
2) established a communications link by serial ports and tested radar signal simulator;
4) user inputs the parameter needing test;
5) start test by serial communication to tested radar signal simulator request, if equipment allows test, carry out the 6th) step, otherwise request for test again;
6) send instruction according to test parameter to tested radar signal simulator, control radar signal simulator launched microwave signal, the parameter that the parameters such as the carrier frequency transmitted, repetition, pulsewidth and power are inputted by user and current test point are determined;
7) testing software reads the parameters such as the frequency values of input signal that frequency spectrograph gathers and performance number;
8) signal parameter of the tested radar signal simulator transmitting of current control and the actual signal parameter of frequency spectrograph collection is recorded;
9) judge whether all test points have tested, if completed, carry out the 10th) step, otherwise be switched to next test point and carry out the 6th) step;
10) compare the difference of controling parameters and practical measurement signals parameter and add up the test result of all test points;
11) if input parameter will be changed continue test, the 4th is carried out) step, otherwise test terminates.
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| CN201510703937.XA CN105388360B (en) | 2015-10-26 | 2015-10-26 | a kind of radar signal simulator test system and test method |
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| CN201510703937.XA CN105388360B (en) | 2015-10-26 | 2015-10-26 | a kind of radar signal simulator test system and test method |
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| CN105388360A true CN105388360A (en) | 2016-03-09 |
| CN105388360B CN105388360B (en) | 2018-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117761736A (en) * | 2023-12-13 | 2024-03-26 | 湖南矩阵电子科技有限公司 | Navigation signal simulator test method, system, electronic equipment and storage medium |
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| CN201698000U (en) * | 2010-06-29 | 2011-01-05 | 国民技术股份有限公司 | Automatic testing system of radio-frequency power amplifier based on mixed bus |
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| CN203444103U (en) * | 2013-07-10 | 2014-02-19 | 中国人民解放军陆军军官学院 | Adaptive passive-type radar signal monitoring system based on wireless sensor network |
| CN103929258A (en) * | 2014-04-28 | 2014-07-16 | 信亚美科（南京）信息技术有限公司 | Test method based on radar dynamic frequency selection test system |
| CN103929257A (en) * | 2014-04-28 | 2014-07-16 | 信亚美科（南京）信息技术有限公司 | Radar dynamic frequency selection test system |
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- 2015-10-26 CN CN201510703937.XA patent/CN105388360B/en active Active
Patent Citations (6)
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| CN201698000U (en) * | 2010-06-29 | 2011-01-05 | 国民技术股份有限公司 | Automatic testing system of radio-frequency power amplifier based on mixed bus |
| CN102323570A (en) * | 2011-05-24 | 2012-01-18 | 中国人民解放军国防科学技术大学 | Method for estimating magnitude-phase characteristics of radar target echo signal simulator |
| CN203444103U (en) * | 2013-07-10 | 2014-02-19 | 中国人民解放军陆军军官学院 | Adaptive passive-type radar signal monitoring system based on wireless sensor network |
| CN103558587A (en) * | 2013-10-12 | 2014-02-05 | 奇瑞汽车股份有限公司 | Radar auxiliary testing system and radar auxiliary testing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117761736A (en) * | 2023-12-13 | 2024-03-26 | 湖南矩阵电子科技有限公司 | Navigation signal simulator test method, system, electronic equipment and storage medium |
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