CN104166125A - Radar anti-interference technology - Google Patents
Radar anti-interference technology Download PDFInfo
- Publication number
- CN104166125A CN104166125A CN201410396691.1A CN201410396691A CN104166125A CN 104166125 A CN104166125 A CN 104166125A CN 201410396691 A CN201410396691 A CN 201410396691A CN 104166125 A CN104166125 A CN 104166125A
- Authority
- CN
- China
- Prior art keywords
- radar
- module
- pulse accumulation
- fpga chip
- accumulation module
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/36—Means for anti-jamming, e.g. ECCM, i.e. electronic counter-counter measures
Abstract
The invention discloses a radar anti-interference technology. A radar receiver and a radar transmitter are adopted in the technology, and a converter is arranged between the radar receiver and the radar transmitter. The back of the converter is connected with an FPGA chip which is internally provided with a first pulse accumulation module, a common-frequency interference suppression module, a second pulse accumulation module and a constant false-alarm module. The first pulse accumulation module is connected with the common-frequency interference suppression module which is connected with the second pulse accumulation module, the second pulse accumulation module is connected with the constant false-alarm module, the FPGA chip is connected with a storage, and the FPGA chip can be stored through the storage. The radar anti-interference technology has the advantages that the FPGA chip is adopted, on one hand, the target detection range is increased, the radar anti-interference capability is improved, and the data updating rate is improved; on the other hand, the working reliability is higher, and boot time is greatly shortened.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of Anti-jamming Technology for Radar.
Background technology
In the last few years, due to the development of electronic technology, and be also growing more intense in the anti-interference struggle of electronic countermeasure, the interference facing at modern radar can be divided into natural radio interference and the artificial large class of radio interference two, therefore want the requirement of the Anti-Jamming Technique reply development of development radar, improve the security level of self.Be that 201110060728.X is in " a kind of radar anti-disturbance method " Chinese patent of application on 03 15th, 2011 at application number, when it sends the interference electromagnetic wave identical with the second radar initial polarization mode by the first radar to the second radar, arrange and one surpass material polarization converter between the reflecting surface and feed of the second radar, the interference polarization of electromagnetic wave mode of sending in order to change the first radar, and the second radar is used the polarization mode communication after polarization converter conversion instead.Although this Radar Anti conflicting mode is simple, along with electronic product is to high level and high-tech future development, this can not meet the request for utilization of modern society.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of Anti-jamming Technology for Radar.
To achieve these goals, the present invention solves the technical scheme that its technical matters takes and is:
A kind of Anti-jamming Technology for Radar, comprise radar receiver and radar transmitter, between radar receiver and radar transmitter, be provided with converter, after converter, be connected with FPGA chip, the first pulse accumulation module is set in described FPGA chip, co-channel interference suppresses module, the second pulse accumulation module and CFAR module, wherein the first pulse accumulation module is connected with co-channel interference inhibition module, co-channel interference suppresses module and is connected with the second pulse accumulation module, the second pulse accumulation module is connected with CFAR module, FPGA chip is connected with storer, can FPGA chip be stored by storer, be conducive to prevent the loss of unexpected information.
In described radar receiver and radar transmitter, all have radar antenna, radar antenna is to phased array, and radar antenna is a phased array antenna, and the realization being convenient for people to operates simplyr, has wide actual application prospect.
Beneficial effect of the present invention: the FPGA chip that adopted of the present invention improves target detection distance, Anti-jamming Ability for Radar, data updating rate on the one hand; Functional reliability is stronger on the other hand, has greatly shortened the on time.
Brief description of the drawings
Fig. 1 is embodiments of the invention schematic diagram.
Embodiment
As shown in Figure 1, a kind of Anti-jamming Technology for Radar, comprise radar receiver and radar transmitter, between radar receiver and radar transmitter, be provided with converter, after converter, be connected with FPGA chip, the first pulse accumulation module is set in described FPGA chip, co-channel interference suppresses module, the second pulse accumulation module and CFAR module, wherein the first pulse accumulation module is connected with co-channel interference inhibition module, co-channel interference suppresses module and is connected with the second pulse accumulation module, the second pulse accumulation module is connected with CFAR module, FPGA chip is connected with storer, can FPGA chip be stored by storer, be conducive to prevent the loss of unexpected information, in described radar receiver and radar transmitter, all there is radar antenna, radar antenna is to phased array, radar antenna is a phased array antenna, the realization being convenient for people to, operate simpler, there is wide actual application prospect.
Beneficial effect of the present invention: the FPGA chip that adopted of the present invention improves target detection distance, Anti-jamming Ability for Radar, data updating rate on the one hand; Functional reliability is stronger on the other hand, has greatly shortened the on time.
Claims (2)
1. an Anti-jamming Technology for Radar, comprise radar receiver and radar transmitter, between radar receiver and radar transmitter, be provided with converter, it is characterized in that: after converter, be connected with FPGA chip, the first pulse accumulation module is set in described FPGA chip, co-channel interference suppresses module, the second pulse accumulation module and CFAR module, wherein the first pulse accumulation module is connected with co-channel interference inhibition module, co-channel interference suppresses module and is connected with the second pulse accumulation module, the second pulse accumulation module is connected with CFAR module, FPGA chip is connected with storer, can FPGA chip be stored by storer.
2. Anti-jamming Technology for Radar as claimed in claim 1, is characterized in that, in described radar receiver and radar transmitter, all having radar antenna, radar antenna is to phased array antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410396691.1A CN104166125A (en) | 2014-08-13 | 2014-08-13 | Radar anti-interference technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410396691.1A CN104166125A (en) | 2014-08-13 | 2014-08-13 | Radar anti-interference technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104166125A true CN104166125A (en) | 2014-11-26 |
Family
ID=51910026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410396691.1A Pending CN104166125A (en) | 2014-08-13 | 2014-08-13 | Radar anti-interference technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104166125A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777459A (en) * | 2015-04-24 | 2015-07-15 | 芜湖航飞科技股份有限公司 | Radar anti-interference system |
| CN106226746A (en) * | 2016-07-11 | 2016-12-14 | 中国人民解放军国防科学技术大学 | Based on phase-modulation surface misquote interference method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201503494U (en) * | 2009-09-28 | 2010-06-09 | 武汉大学 | Multi-base radar synchronizing device |
| CN102323569A (en) * | 2011-08-15 | 2012-01-18 | 宁波成电泰克电子信息技术发展有限公司 | FPGA (Field Programmable Gate Array) based ship radar ant-interference processing method |
| CN202217051U (en) * | 2011-06-30 | 2012-05-09 | 桂林电子科技大学 | LFMCW radar system |
| CN103399304A (en) * | 2013-07-22 | 2013-11-20 | 西安电子科技大学 | Field programmable gate array (FPGA) implementation equipment and method for self-adaptive clutter suppression of external radiation source radar |
| CN103856220A (en) * | 2014-01-26 | 2014-06-11 | 西安天伟电子系统工程有限公司 | Radio frequency cancellation system and method for dual-channel receiver of passive radar |
| CN103902482A (en) * | 2012-12-28 | 2014-07-02 | 北京华清瑞达科技有限公司 | Two GHz bandwidth digital radio frequency memorizer and storage method |
-
2014
- 2014-08-13 CN CN201410396691.1A patent/CN104166125A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201503494U (en) * | 2009-09-28 | 2010-06-09 | 武汉大学 | Multi-base radar synchronizing device |
| CN202217051U (en) * | 2011-06-30 | 2012-05-09 | 桂林电子科技大学 | LFMCW radar system |
| CN102323569A (en) * | 2011-08-15 | 2012-01-18 | 宁波成电泰克电子信息技术发展有限公司 | FPGA (Field Programmable Gate Array) based ship radar ant-interference processing method |
| CN103902482A (en) * | 2012-12-28 | 2014-07-02 | 北京华清瑞达科技有限公司 | Two GHz bandwidth digital radio frequency memorizer and storage method |
| CN103399304A (en) * | 2013-07-22 | 2013-11-20 | 西安电子科技大学 | Field programmable gate array (FPGA) implementation equipment and method for self-adaptive clutter suppression of external radiation source radar |
| CN103856220A (en) * | 2014-01-26 | 2014-06-11 | 西安天伟电子系统工程有限公司 | Radio frequency cancellation system and method for dual-channel receiver of passive radar |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777459A (en) * | 2015-04-24 | 2015-07-15 | 芜湖航飞科技股份有限公司 | Radar anti-interference system |
| CN106226746A (en) * | 2016-07-11 | 2016-12-14 | 中国人民解放军国防科学技术大学 | Based on phase-modulation surface misquote interference method |
| CN106226746B (en) * | 2016-07-11 | 2019-04-26 | 中国人民解放军国防科学技术大学 | Interference method is misquoted based on phase-modulation surface |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104267379A (en) | Active and passive radar cooperative anti-interference method based on waveform design | |
| WO2020065483A3 (en) | Power-efficient formulation of tandem-hopped radar & communications | |
| CN102879783A (en) | Sparse detection frequency signal-based inverse synthetic aperture radar (ISAR) imaging method | |
| CN102866392A (en) | Waveform agility cognition radar system and implementation method | |
| CN104166125A (en) | Radar anti-interference technology | |
| CN109738889A (en) | A kind of detection method recognizing molded line frequency modulation on pulse marine radar system | |
| CN205861897U (en) | Dual-band frequency diversity array radar system | |
| CN104931946A (en) | Outer radiation source radar Doppler-time delay two-dimension double-threshold object detection method | |
| CN202142084U (en) | Low frequency triggering general electronic tag | |
| CN203519823U (en) | High-power shortwave broadband transmit-receive switch | |
| CN104777459A (en) | Radar anti-interference system | |
| Sen | Constant-envelope waveform design for optimal target-detection and autocorrelation performances | |
| CN102819010A (en) | Improved two-dimension constant false alarm method | |
| CN204967775U (en) | Quick three pulse generator of frequency diversity | |
| CN209525451U (en) | A kind of 77GHz millimeter wave gate cracking protection radar | |
| CN206193233U (en) | Dexterous noise device | |
| CN106250788A (en) | The method of passive ultra-high frequency RFID system based on smart antenna suppression multi-path jamming | |
| CN207752143U (en) | A kind of control of millimetre-wave radar and data collecting system | |
| CN103678906A (en) | Radio frequency stealth datalink emitting state acquiring method based on maximum conditional entropy | |
| CN104573794B (en) | A kind of frequency modulation(PFM) return circuit for passive RF card | |
| CN203536565U (en) | Magnetic antenna for receiving Loran-C signal for high-speed motor-driven vehicle | |
| CN204332053U (en) | A kind of double antenna wireless remote installed meter | |
| CN202385089U (en) | Intelligent transceiver | |
| CN204331953U (en) | A kind of intelligent microwave defence system | |
| CN105652249A (en) | Target detection method in interference environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141126 |