CN104698441A - Radar signal processing system - Google Patents
Radar signal processing system Download PDFInfo
- Publication number
- CN104698441A CN104698441A CN201510155804.3A CN201510155804A CN104698441A CN 104698441 A CN104698441 A CN 104698441A CN 201510155804 A CN201510155804 A CN 201510155804A CN 104698441 A CN104698441 A CN 104698441A
- Authority
- CN
- China
- Prior art keywords
- signal
- radar
- signal processing
- processing system
- video
- 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
Landscapes
- 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 invention relates to a radar signal processing system, and belongs to the technical field of radar detection. The system comprises an upper computer, a radar receiver and a signal processor, the signal processor can receive signals from a radar to control collecting and processing of intermediate frequency/video echo signals of the radar, and can send analog signals to the radar receiver, testing of the radar receiver is completed, the signal processor is connected with the upper computer, and data displaying and storage are completed through the upper computer. The collection function of the system is complete, large-capacity high-speed continuous collection can be carried out, stability and reliability are achieved, and the characteristics of a target and environment can be really reflected through tested data.
Description
Technical field
The invention belongs to radar detection technique field, be specifically related to a kind of Radar Signal Processing System.
Background technology
Radar is the high-tech system having concentrated the various achievement of hyundai electronics science and technology, and be successfully applied to ground, the field such as carrier-borne, airborne, spaceborne, these radars perform various military and civilian task.In recent years radar application outer layers spatial development there is space base (satellite carries, space shuttle carries, spaceship carry) radar.Fermenting at present and setting up the spaceborne early warning surveillance radar more superior than ground early-warning radar, airborne early warn ing radar and over the horizon early warning radar [3].Radar also develops to the mode of penetrating simultaneously, has occurred multiple spy ground, through-wall radar.Quantitatively, ground-based radar is that use is maximum.Swept by two-dimensional phase, radar is at the resident certain hour of constant bearing, and echo is carried out long time integration by signal processing system can carry out high-resolution imaging to target.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of Radar Signal Processing System, completing the simulation of radar signal, acquisition and processing function.
Technical scheme of the present invention is: a kind of Radar Signal Processing System, comprise host computer, radar receiver and signal processor, the signal processor signal that can receive from radar controls the acquisition process of the intermediate frequency/video echo signal to radar, also simulating signal radar receiver can be sent to, complete the test of radar receiver, signal processor connects host computer, completes data display and store by host computer.Described signal processor comprises signal imitation module, signal processing module and signal acquisition module, the echo of self guinea pig of signal imitation module and noise signal are to radar receiver, signal acquisition module can complete radar echo signal collection, self simulating signal is gathered, the signal after signal processing module process is gathered, signal processing module can carry out Treatment Analysis to the signal that radar receiver receives.Described signal imitation module comprises antenna control unit, trigger control unit, ripple door control unit and signal or clutter generation unit, and the sweep signal that ripple door control unit produces according to antenna control unit and trigger control unit and trigger pip select gate export echo signal.Described signal or clutter generation unit comprise medium-frequency pulse signal generation unit, coherent video pulse signal generation unit, non-coherent video pulse signal generation unit and white noise signal generation unit.Described signal processing module comprises digital quadrature, digital pulse compression, CFAR detection, MTI, video integration, asks form unit, intermediate-freuqncy signal by digital quadrature, digital pulse compression, MTI, ask mould, video integration and CFAR detection unit to export; Non-coherent vision signal is exported by video accumulation, CFAR detection unit, and accumulate by asking, CFAR detection unit exports by mould, video for coherent vision signal.Described signal processing module can to a road or the non-coherent videosimulator of two-way, acquisition and processing, also can to intermediate frequency signal imitation, acquisition and processing.Described signal processing module also comprises MTD, multiple-sensing unit, and intermediate-freuqncy signal can also pass through digital quadrature, digital pulse compression, MTD, multiple-sensing unit output.Described signal acquisition module maximum operation frequency is 95MHz.
The present invention has following good effect: the acquisition function of native system is perfect, can accomplish high-capacity and high-speed continuous acquisition, and reliable and stable, and the data recorded can reflect the characteristic of target and environment truly.
Embodiment
Below by the description to embodiment, the specific embodiment of the present invention is as the effect of the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part and principle of work, manufacturing process and operation using method etc., be described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
Radar Signal Processing System of the present invention, comprise host computer, radar receiver and signal processor, the signal processor signal that can receive from radar controls the acquisition process of the intermediate frequency/video echo signal to radar, also simulating signal radar receiver can be sent to, complete the test of radar receiver, signal processor connects host computer, completes data display and store by host computer.With two-way, it is built-in tells that A/D and two-way tell D/A signal processing card, the signal from radar receiver comprises antenna bearingt, elevation signals, clock signal and trigger pip, and meanwhile, self also can simulate these signals and send to radar receiver.
System mainly comprises signal imitation, process and collection three zones, signal processor comprises signal imitation module, signal processing module and signal acquisition module, the echo of self guinea pig of signal imitation module and noise signal are to radar receiver, signal acquisition module can complete radar echo signal collection, self simulating signal is gathered, the signal after signal processing module process is gathered, signal processing module can carry out Treatment Analysis to the signal that radar receiver receives.
Signal imitation module comprises antenna control unit, trigger control unit, ripple door control unit and signal or clutter generation unit, and the sweep signal that ripple door control unit produces according to antenna control unit and trigger control unit and trigger pip select gate export echo signal.One in echo signal and signal or noise signal generation unit, signal or clutter generation unit comprise medium-frequency pulse signal generation unit, coherent video pulse signal generation unit, non-coherent video pulse signal generation unit and white noise signal generation unit.
Signal processing module comprises digital quadrature, digital pulse compression, CFAR detection, MTI, video integration, asks form unit, intermediate-freuqncy signal by digital quadrature, digital pulse compression, MTI, ask mould, video integration and CFAR detection unit to export; Non-coherent vision signal is exported by video accumulation, CFAR detection unit, and accumulate by asking, CFAR detection unit exports by mould, video for coherent vision signal.Described signal processing module can to a road or the non-coherent videosimulator of two-way, acquisition and processing, also can to intermediate frequency signal imitation, acquisition and processing.Described signal processing module also comprises MTD, multiple-sensing unit, and intermediate-freuqncy signal can also pass through digital quadrature, digital pulse compression, MTD, multiple-sensing unit output.Intermediate-freuqncy signal can also by digital quadrature, digital pulse compression, ask mould, video integration and CFAR detection unit to export.
Signal acquisition module maximum operation frequency is 95MHz, substantially can meet the collection of radar mean frequency or vision signal.
Embodiment is to invention has been exemplary description above; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (8)
1. a Radar Signal Processing System, it is characterized in that: comprise host computer, radar receiver and signal processor, the signal processor signal that can receive from radar controls the acquisition process of the intermediate frequency/video echo signal to radar, also simulating signal radar receiver can be sent to, complete the test of radar receiver, signal processor connects host computer, completes data display and store by host computer.
2. Radar Signal Processing System according to claim 1, it is characterized in that: described signal processor comprises signal imitation module, signal processing module and signal acquisition module, the echo of self guinea pig of signal imitation module and noise signal are to radar receiver, signal acquisition module can complete radar echo signal collection, self simulating signal is gathered, the signal after signal processing module process is gathered, signal processing module can carry out Treatment Analysis to the signal that radar receiver receives.
3. Radar Signal Processing System according to claim 2, it is characterized in that: described signal imitation module comprises antenna control unit, trigger control unit, ripple door control unit and signal or clutter generation unit, the sweep signal that ripple door control unit produces according to antenna control unit and trigger control unit and trigger pip select gate export echo signal.
4. Radar Signal Processing System according to claim 3, is characterized in that: described signal or clutter generation unit comprise medium-frequency pulse signal generation unit, coherent video pulse signal generation unit, non-coherent video pulse signal generation unit and white noise signal generation unit.
5. Radar Signal Processing System according to claim 2, it is characterized in that: described signal processing module comprises digital quadrature, digital pulse compression, CFAR detection, MTI, video integration, asks form unit, intermediate-freuqncy signal by digital quadrature, digital pulse compression, MTI, ask mould, video integration and CFAR detection unit to export; Non-coherent vision signal is exported by video accumulation, CFAR detection unit, and accumulate by asking, CFAR detection unit exports by mould, video for coherent vision signal.
6. Radar Signal Processing System according to claim 5, is characterized in that: described signal processing module can to a road or the non-coherent videosimulator of two-way, acquisition and processing, also can to intermediate frequency signal imitation, acquisition and processing.
7. Radar Signal Processing System according to claim 5, is characterized in that: described signal processing module also comprises MTD, multiple-sensing unit, and intermediate-freuqncy signal can also pass through digital quadrature, digital pulse compression, MTD, multiple-sensing unit output.
8. Radar Signal Processing System according to claim 2, is characterized in that: described signal acquisition module maximum operation frequency is 95MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510155804.3A CN104698441A (en) | 2015-04-02 | 2015-04-02 | Radar signal processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510155804.3A CN104698441A (en) | 2015-04-02 | 2015-04-02 | Radar signal processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104698441A true CN104698441A (en) | 2015-06-10 |
Family
ID=53345764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510155804.3A Pending CN104698441A (en) | 2015-04-02 | 2015-04-02 | Radar signal processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104698441A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589061A (en) * | 2015-12-11 | 2016-05-18 | 无锡市雷华科技有限公司 | Signal processing algorithm for shore-based radar |
| CN106597447A (en) * | 2016-12-23 | 2017-04-26 | 成都西科微波通讯有限公司 | Airport surface detection radar |
| CN107167773A (en) * | 2017-05-10 | 2017-09-15 | 湖北航天技术研究院总体设计所 | Radar Signal Processing System and Design Internet Applications method based on VPX platforms |
| CN107515393A (en) * | 2017-07-26 | 2017-12-26 | 安徽四创电子股份有限公司 | A kind of polynary joint sensory perceptual system of waters surveillance |
| CN107607940A (en) * | 2017-07-26 | 2018-01-19 | 安徽四创电子股份有限公司 | A kind of cognitive method of the polynary joint sensory perceptual system of waters surveillance |
| CN108563144A (en) * | 2018-03-30 | 2018-09-21 | 西安电子科技大学 | A kind of missile-borne radar signal processing semi-hardware type simulation test system |
| CN109856602A (en) * | 2018-11-27 | 2019-06-07 | 重庆秦嵩科技有限公司 | A kind of clutter suppression method suitable for target surveillance radar at a slow speed |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0718637A2 (en) * | 1994-12-20 | 1996-06-26 | Honda Giken Kogyo Kabushiki Kaisha | Radar system |
| CN102590794A (en) * | 2012-02-28 | 2012-07-18 | 北京航空航天大学 | Broadband coherent radar target simulator |
| CN102819017A (en) * | 2011-06-09 | 2012-12-12 | 索尼公司 | Radar apparatus and method |
-
2015
- 2015-04-02 CN CN201510155804.3A patent/CN104698441A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0718637A2 (en) * | 1994-12-20 | 1996-06-26 | Honda Giken Kogyo Kabushiki Kaisha | Radar system |
| CN102819017A (en) * | 2011-06-09 | 2012-12-12 | 索尼公司 | Radar apparatus and method |
| CN102590794A (en) * | 2012-02-28 | 2012-07-18 | 北京航空航天大学 | Broadband coherent radar target simulator |
Non-Patent Citations (1)
| Title |
|---|
| 宋杰等: "基于FPGA的雷达信号模拟、采集与处理系统", 《海军航空工程学院学报》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589061A (en) * | 2015-12-11 | 2016-05-18 | 无锡市雷华科技有限公司 | Signal processing algorithm for shore-based radar |
| CN106597447A (en) * | 2016-12-23 | 2017-04-26 | 成都西科微波通讯有限公司 | Airport surface detection radar |
| CN107167773A (en) * | 2017-05-10 | 2017-09-15 | 湖北航天技术研究院总体设计所 | Radar Signal Processing System and Design Internet Applications method based on VPX platforms |
| CN107167773B (en) * | 2017-05-10 | 2019-10-08 | 湖北航天技术研究院总体设计所 | Radar Signal Processing System and Design Internet Applications method based on VPX platform |
| CN107515393A (en) * | 2017-07-26 | 2017-12-26 | 安徽四创电子股份有限公司 | A kind of polynary joint sensory perceptual system of waters surveillance |
| CN107607940A (en) * | 2017-07-26 | 2018-01-19 | 安徽四创电子股份有限公司 | A kind of cognitive method of the polynary joint sensory perceptual system of waters surveillance |
| CN108563144A (en) * | 2018-03-30 | 2018-09-21 | 西安电子科技大学 | A kind of missile-borne radar signal processing semi-hardware type simulation test system |
| CN109856602A (en) * | 2018-11-27 | 2019-06-07 | 重庆秦嵩科技有限公司 | A kind of clutter suppression method suitable for target surveillance radar at a slow speed |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104698441A (en) | Radar signal processing system | |
| CN102331575B (en) | Single-pass full-polarization interferometric synthetic aperture radar (SAR) | |
| CN103682677B (en) | A kind of ship load radar conformal thinned array antenna and signal processing method thereof | |
| Tan et al. | Awireless passive radar system for real-time through-wall movement detection | |
| CN109738894B (en) | High squint multi-angle imaging method for large-field-of-view synthetic aperture radar | |
| CN202221473U (en) | Single-cross-track complete polarization interference synthetic aperture radar | |
| CN106508081B (en) | A kind of spaceborne radar large-scale antenna thinned array is realized and signal processing method | |
| CN105372657A (en) | Echo data-based video synthetic aperture radar motion compensation imaging method | |
| Bączyk et al. | Passive ISAR imaging of air targets using DVB-T signals | |
| US10168420B1 (en) | Nonlinear interferometric imaging sensor | |
| CN107153179A (en) | A kind of radar target RCS and scattering center synchronous detecting method | |
| CN108414992A (en) | A kind of object detection method based on phase information clutter map | |
| CN107422325A (en) | A kind of complete polarization ground polarization sensitive synthetic aperture radar system | |
| Baqué et al. | Ultra-high resolution and long range X-band airborne SAR system | |
| De Wit et al. | Radar mapping of buildings using sparse reconstruction with an overcomplete dictionary | |
| RU180088U1 (en) | DEVICE FOR CONSTRUCTING A RADAR IMAGE USING A RADAR STATION WITH A SYNTHESIZED Aperture | |
| Tan et al. | Synthetic aperture radar tomography sampling criteria and three-dimensional range migration algorithm with elevation digital spotlighting | |
| Chang et al. | Imaging of space targets in FMCW-ISAR | |
| Gamba et al. | A New SDR GNSS Receiver Prototype For Reflectometry Applications: Ideas and Design | |
| Zhan et al. | VehMIR: Vehicle-borne Mobile Imaging Radar for Scattering Imaging Measurement in the Near-field Region | |
| Xu et al. | A PS points selection algorithm based on edge detection for GNSS-based InSAR system | |
| CN117034836B (en) | Satellite multi-load data processing system evaluation method based on software defined chip | |
| CN103197157B (en) | Experimental platform used for time-varying rough surface electromagnetic scattering research | |
| CN116990777B (en) | Terahertz RCS high-precision measurement method, system, device and equipment | |
| Lord et al. | Investigation of 3-D RCS image formation of ships using ISAR |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150610 |
|
| RJ01 | Rejection of invention patent application after publication |