CN109581308A - A kind of signal generating system and method for radar target tracking functional test - Google Patents

A kind of signal generating system and method for radar target tracking functional test Download PDF

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Publication number
CN109581308A
CN109581308A CN201811430835.5A CN201811430835A CN109581308A CN 109581308 A CN109581308 A CN 109581308A CN 201811430835 A CN201811430835 A CN 201811430835A CN 109581308 A CN109581308 A CN 109581308A
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CN
China
Prior art keywords
radar
signal
different
test signal
functional test
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Pending
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CN201811430835.5A
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Chinese (zh)
Inventor
谢冰
向巍
李东野
熊斌
崔剑
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Beijing Institute of Remote Sensing Equipment
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Beijing Institute of Remote Sensing Equipment
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Application filed by Beijing Institute of Remote Sensing Equipment filed Critical Beijing Institute of Remote Sensing Equipment
Priority to CN201811430835.5A priority Critical patent/CN109581308A/en
Publication of CN109581308A publication Critical patent/CN109581308A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40Means for monitoring or calibrating

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

The present invention provides a kind of radar tracking functional test signal generating system and method, the system comprises: instruction spacing module, for needing to generate different instruction range informations according to different tests and being exported in certain process cycle;Radar waveform output module, for needing to generate different radar waveform command informations according to different tests and being exported in certain process cycle;Radar test signal generator module obtains the output of the different radar signals under different distance by carrying out system delay to radar signal for receiving described instruction range information and radar waveform command information.The invention has the advantages that realizing simple, the problem of radar system tracking target detection spreadability deficiency suitable for application environment, hence it is evident that the spreadability for improving radar system ground test is conducive to improve radar system function and performance design.

Description

A kind of signal generating system and method for radar target tracking functional test
Technical field
The present invention relates to a kind of signal generating systems and method for radar target tracking functional test.
Background technique
Radar can tenacious tracking target be one of its major function, the practical flight environment of radar application is complicated, verifying Difficulty needs sufficiently to verify the various functions of radar in ground experiment, reaches the ground test spreadability requirement of radar system.
In actual application environment, radar can be according to the inspection of the complete pared echo of the different radar waveform of different range transmissions It surveys to realize the tenacious tracking to target.Radar carries out tenacious tracking to target in order to adapt to the variation of environment, needs Detection and tracking and testing are carried out to radar waveform used in each distance segment under the conditions of ground test, verify the conjunction of itself design Rationality and validity.Therefore, it is necessary to generate that radar system can be cooperated to complete target following functional test in ground test Signal, for testing radar system under different distance to the following function of target.
In previous ground test, the method that radar system realizes tracking and testing is: utilizing the electric breathing exercise of radar system itself Can, the radar waveform of a fixed range is generated, is drawn through the loudspeaker with signal similar frequency bands with the method for physical connection Radiation is used to radar for ground test.In actual use, since distance is changed constantly in application environment, use The target of fixed range carries out the requirement that test is unable to reach radar ground test spreadability, insufficient to the functional verification of radar Examination when may will affect actual flying test to radar system.
There is, radar inadequate for radar system ground test spreadability in application environment in implementation process in the above method The insufficient obvious shortcoming of system functional verification.
Summary of the invention
It is an object of that present invention to provide a kind of signal creating methods for radar target tracking functional test, solve existing Problem of the method to radar system tracking target detection spreadability deficiency in application environment.
In order to solve the above technical problems, present invention provide the technical scheme that a kind of radar tracking functional test signal is raw At system characterized by comprising
Instruct spacing module, in certain process cycle, according to different tests need to generate different instructions away from It is exported from information;
Radar waveform output module, for needing to generate different thunders according to different tests in certain process cycle It is exported up to waveform command information;
Radar test signal generator module passes through for receiving described instruction range information and radar waveform command information System delay is carried out to radar signal and obtains the output of the different radar signals under different distance.
Another object of the present invention, which also resides in, provides a kind of radar tracking functional test signal creating method, and feature exists In, comprising:
It instructs spacing module in certain process cycle, needs to generate different instruction range informations according to different tests It is exported;
Radar waveform output module needs to generate different radar waveforms in certain process cycle, according to different tests Command information is exported;
Radar test signal generator module receives described instruction range information and radar waveform command information, by radar Signal carries out system delay and obtains the output of the different radar signals under different distance.
The present invention realize it is following significant the utility model has the advantages that
It realizes simple, comprising: instruction spacing module, for needing to produce according to different tests in certain process cycle Raw different instruction range information is exported;Radar waveform output module is used in certain process cycle, according to different Test needs to generate different radar waveform command informations and is exported;Radar test signal generator module, it is described for receiving Range information and radar waveform command information are instructed, obtains the difference under different distance by carrying out system delay to radar signal Radar signal output.The problem of radar system tracking target detection spreadability deficiency suitable for application environment, hence it is evident that improve thunder Up to the spreadability of system ground test, be conducive to improve radar system function and performance design.
Detailed description of the invention
Fig. 1 is a kind of composition schematic diagram of signal generating system for radar target tracking functional test of this hair name.
Appended drawing reference signal
1. instructing 2. radar waveform output module of spacing module, 3. radar test signal generator module
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments, is wanted according to following explanation and right Book is sought, advantages and features of the invention will become apparent from.It should be noted that attached drawing is all made of very simplified form and is applicable in Non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
It should be noted that present invention spy is for multiple embodiments with further in order to clearly demonstrate the contents of the present invention Illustrate different implementations of the invention, wherein multiple embodiment is enumeration and non-exhaustive.In addition, in order to illustrate Succinctly, the content having been mentioned in preceding embodiment is often omitted in rear embodiment, therefore, unmentioned interior in rear embodiment Appearance can accordingly refer to preceding embodiment.
Although the invention can modification in a variety of forms and replacement extend, also listed in specification some specific Implement legend and is described in detail.It should be understood that the starting point of inventor is not that the invention is limited to illustrated spy Determine embodiment, antithesis, the starting point of inventor is to protect in all spirit or scope given and defined by this rights statement The improvement of progress, equivalent alterations and modifications.Same component number is likely to be used for all attached drawings to represent identical or class As part.
Please refer to Fig. 1, radar tracking functional test signal generating system of the invention, comprising: instruction spacing module 1 is used In in certain process cycle, needs to generate different instruction range informations according to different tests and exported;Radar waveform Output module 2, in certain process cycle, according to different tests need to generate different radar waveform command informations into Row output;Radar test signal generator module 3 passes through for receiving described instruction range information and radar waveform command information System delay is carried out to radar signal and obtains the output of the different radar signals under different distance.
In one embodiment, the radar waveform includes linear FM signal, simple pulse signal.
In one embodiment, the linear FM signal is adjusted signal width.
In one embodiment, the time interval of the signal width is 200us.
In one embodiment, the time interval puppet 100us of the signal width.
The embodiment of the present invention also provides a kind of radar tracking functional test signal creating method, comprising:
It instructs spacing module in certain process cycle, needs to generate different instruction range informations according to different tests It is exported;
Radar waveform output module needs to generate different radar waveforms in certain process cycle, according to different tests Command information is exported;
Radar test signal generator module receives described instruction range information and radar waveform command information, by radar Signal carries out system delay and obtains the output of the different radar signals under different distance.
In one embodiment, the radar waveform includes linear FM signal, simple pulse signal.
In one embodiment, the linear FM signal is adjusted signal width.
In one embodiment, a kind of signal creating method specific steps for radar target tracking functional test are as follows:
The first step builds radar tracking functional test signal generating system
Radar tracking functional test signal generating system, comprising: instruction spacing module, radar waveform output module and radar Test signal generator.
Instruct the function of spacing module are as follows: in one process cycle of radar system, need to generate according to different tests Different instruction distances, obtained instruction range information are exported to radar test signal generator module;
Radar waveform output module function are as follows: within a signal processing period, need to generate not according to different tests Same radar waveform, waveform can be divided into linear FM signal, simple pulse signal etc., and linear FM signal can be to signal width It is adjusted, such as 200us, 100us, 50us, obtained radar waveform is exported to radar test signal generator module;
Radar test signal generator module function are as follows: instructed according to the instruction distance and radar waveform that receive, by right Radar signal carries out system delay and obtains the output of the different radar signals under different distance.
Second step instructs spacing module to generate test missile-target distance
In one process cycle of radar system, needs to generate different instruction distances according to different tests, obtain Instruction range information is exported to radar test signal generator module;
Radar waveform needed for third step radar waveform output module generates test
Within a signal processing period, need to generate different radar waveforms according to different tests, waveform can be divided into Linear FM signal, simple pulse signal etc., linear FM signal can be adjusted signal width, as 200us, 100us, 50us etc., obtained radar waveform are exported to radar test signal generator module block;
Radar signal needed for 4th step radar test signal generator module completes radar tracking test
According to the instruction distance and radar waveform instruction received, difference is obtained by carrying out system delay to radar signal Different radar signals output under, convenient for comprehensive test to radar system under surface condition.
The present invention realize it is following significant the utility model has the advantages that
It realizes simple, comprising: instruction spacing module, for needing to produce according to different tests in certain process cycle Raw different instruction range information is exported;Radar waveform output module is used in certain process cycle, according to different Test needs to generate different radar waveform command informations and is exported;Radar test signal generator module, it is described for receiving Range information and radar waveform command information are instructed, obtains the difference under different distance by carrying out system delay to radar signal Radar signal output.The problem of radar system tracking target detection spreadability deficiency suitable for application environment, hence it is evident that improve thunder Up to the spreadability of system ground test, be conducive to improve radar system function and performance design.
Technical solution and design according to the present invention can also have other any suitable changes.Skill common for this field For art personnel, all these replacements, adjustment and improvement be should all belong to the protection domain of appended claims of the present invention.

Claims (10)

1. a kind of radar tracking functional test signal generating system characterized by comprising
Spacing module is instructed, for needing to generate different instruction distance letters according to different tests in certain process cycle Breath is exported;
Radar waveform output module, for needing to generate different radar waves according to different tests in certain process cycle Shape command information is exported;
Radar test signal generator module, for receiving described instruction range information and radar waveform command information, by thunder System delay, which is carried out, up to signal obtains the output of the different radar signals under different distance.
2. radar tracking functional test signal generating system according to claim 1, which is characterized in that the radar waveform Including linear FM signal, simple pulse signal.
3. radar tracking functional test signal generating system according to claim 2, which is characterized in that the linear frequency modulation Signal is adjusted signal width.
4. radar tracking functional test signal generating system according to claim 3, which is characterized in that the signal width Time interval be 200us.
5. radar tracking functional test signal generating system according to claim 3, which is characterized in that the signal width Time interval puppet 100us.
6. a kind of radar tracking functional test signal creating method characterized by comprising
It instructs spacing module in certain process cycle, needs to generate different instruction range informations according to different tests and carry out Output;
Radar waveform output module needs to generate different radar waveforms according to different tests and instructs in certain process cycle Information is exported;
Radar test signal generator module receives described instruction range information and radar waveform command information, by radar signal It carries out system delay and obtains the output of the different radar signals under different distance.
7. radar tracking functional test signal creating method according to claim 6, which is characterized in that the radar waveform Including linear FM signal, simple pulse signal.
8. radar tracking functional test signal creating method according to claim 7, which is characterized in that the linear frequency modulation Signal is adjusted signal width.
9. radar tracking functional test signal creating method according to claim 8, which is characterized in that the signal width Time interval be 200us.
10. radar tracking functional test signal creating method according to claim 8, which is characterized in that the signal is wide The time interval puppet 100us of degree.
CN201811430835.5A 2018-11-28 2018-11-28 A kind of signal generating system and method for radar target tracking functional test Pending CN109581308A (en)

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Publication number Priority date Publication date Assignee Title
US20100225526A1 (en) * 2007-06-01 2010-09-09 Bae Systems Plc Tracking waveform selection for multi-function radar
CN104459649A (en) * 2014-11-26 2015-03-25 北京无线电测量研究所 Full-solid millimeter wave cloud radar calibration probe system and method
CN106483507A (en) * 2015-09-01 2017-03-08 南京理工大学 A kind of method for reducing occlusion effect under Gao Zhongying pulse Doppler radar system
CN106680805A (en) * 2016-12-30 2017-05-17 零八电子集团有限公司 Method for tracing target with self-adaptive variable waveform
CN107121674A (en) * 2016-08-31 2017-09-01 零八电子集团有限公司 Adaptive strain waveform switch tracking mesh calibration method
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Publication number Priority date Publication date Assignee Title
US20100225526A1 (en) * 2007-06-01 2010-09-09 Bae Systems Plc Tracking waveform selection for multi-function radar
CN104459649A (en) * 2014-11-26 2015-03-25 北京无线电测量研究所 Full-solid millimeter wave cloud radar calibration probe system and method
CN106483507A (en) * 2015-09-01 2017-03-08 南京理工大学 A kind of method for reducing occlusion effect under Gao Zhongying pulse Doppler radar system
CN107121674A (en) * 2016-08-31 2017-09-01 零八电子集团有限公司 Adaptive strain waveform switch tracking mesh calibration method
CN106680805A (en) * 2016-12-30 2017-05-17 零八电子集团有限公司 Method for tracing target with self-adaptive variable waveform
CN107728127A (en) * 2017-11-29 2018-02-23 湖南纳雷科技有限公司 A kind of radar simulation test system

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