CN102193086A - Device and method for processing integrated data of synthetic aperture radar system - Google Patents
Device and method for processing integrated data of synthetic aperture radar system Download PDFInfo
- Publication number
- CN102193086A CN102193086A CN 201110032558 CN201110032558A CN102193086A CN 102193086 A CN102193086 A CN 102193086A CN 201110032558 CN201110032558 CN 201110032558 CN 201110032558 A CN201110032558 A CN 201110032558A CN 102193086 A CN102193086 A CN 102193086A
- Authority
- CN
- China
- Prior art keywords
- data
- radar
- information
- control
- synthetic aperture
- 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.)
- Granted
Links
Images
Landscapes
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses an integrated technology for realizing the monitoring, control and real-time imaging processing of a multifunctional high-precision synthetic aperture radar system and an implementation method thereof. The technology disclosed by the invention can be applied to the processing and control of comprehensive data of the multifunctional high-precision synthetic aperture radar, namely, state information, parameters and data of various units of the radar system, including system working parameters, inertia, GPS (Global Positioning System) measurement data, radar echo data and the like, are acquired the acquired data information is subjected to integrated processing in accordance with the working mode of the system, and SAR (Synthetic Aperture Radar) real-time images and relevant processing results are generated while the processing results are utilized to perform optimized control and management on the system, thereby stable and reliable working of the high-precision multifunctional synthetic aperture radar is ensured.
Description
Technical field
The invention belongs to control of synthetic aperture radar (SAR) system and technical field of data processing, relate in particular to a kind of the realization whole states, information and the data of high-accuracy multifunctional synthetic-aperture radar are carried out the integral collecting processing, obtain the high-resolution radar image in real time, and synthetic-aperture radar is control effectively and manages.
Background technology
Synthetic aperture radar (SAR) is a kind of high-resolution microwave imaging radar, can carry out high-resolution detection on a surface target, and has advantage round-the-clock, round-the-clock.From eighties of last century the fifties, since the aperture synthetic method occurs, the SAR system has been loaded in the detection that is used on the flying platforms such as aircraft, satellite, unmanned plane on a surface target in a large number, has obtained in fields such as geographical resource investigation, crops monitoring, marine monitoring, military surveillances using widely.
Along with the continuous lifting of SAR technical feature, the complexity of SAR system constantly increases, and a cover high-accuracy multifunctional SAR system has functions such as band imaging, pack imaging, scanning imagery, interference imaging, complete polarization imaging and ground moving object detection concurrently.Different imaging mode of operations is all different to parameter setting, data acquisition, system's control and the imaging processing of radar system.From system design, use angle, the work such as system monitoring, control and data processing under the consideration difference in functionality pattern that can not be discrete.
The high-accuracy multifunctional synthetic-aperture radar need effectively be integrated the control and treatment of above-mentioned difference in functionality pattern, reduces redundance and the complexity requirement to system hardware resources and corresponding control and treatment software of system monitoring, control and data processing.
Summary of the invention
The object of the present invention is to provide a kind of high-accuracy multifunctional polarization sensitive synthetic aperture radar system integration data treating apparatus.
Another purpose of the present invention is to provide a kind of method of utilizing above-mentioned polarization sensitive synthetic aperture radar system integration data treating apparatus to realize data processing and control, state parameter, steering order, navigation information and echo data etc. to the outside input of radar system carry out integral collecting, processing and control corresponding management, realize the effective reliably working under different mode of high-accuracy multifunctional polarization sensitive synthetic aperture radar system.
For achieving the above object, polarization sensitive synthetic aperture radar system integration data treating apparatus provided by the invention mainly comprises:
Radar information and data integrated collecting unit, the status information, posture position metrical information and the radar return data that are used for integrated reception and gather each extension set of radar system;
The motion compensation calculations unit, receiving also, integration processing calculates the parameter that is used for motion compensation and system's control from the radar system position and attitude measurement parameter of radar information and data integrated collecting unit;
The real time imagery processing unit receives and handles the radar return data of gathering from radar information and data integrated collecting unit, and in conjunction with the motion compensation parameters that the motion compensation calculations unit is sent, eliminates the influence of kinematic error to image quality;
System monitoring, control and administrative unit, receive and according to system status parameters and the steering order sent from radar information and data integrated collecting unit, the radar system duty is detected, and carry out steering order control radar system works under corresponding pattern; Simultaneously system model and parameter are issued the real time imagery processing unit.
Described polarization sensitive synthetic aperture radar system integration data treating apparatus, wherein, the radar system position and attitude measurement parameter of radar information and data integrated collecting unit comprises the radar system position and attitude measurement parameter of IMU, GPS and Gimbals.
The method of utilizing above-mentioned polarization sensitive synthetic aperture radar system integration data treating apparatus to realize data processing and control provided by the invention, all external informations that radar is obtained, state and data are carried out integral collecting, collection result is through motion compensation units, real time imagery processing unit and system monitoring, the processing of control and processing unit, form different data messages, comprise moving compensating data, realtime image data and control and management information, above-mentioned information completely contained the radar duty, steering order and image information have realized relevant information and data integrated processing and integrated control and management to the high-accuracy multifunctional polarization sensitive synthetic aperture radar system.
From technique scheme as can be seen, the present invention has following beneficial effect:
Utilize the present invention, can make full use of can expand, modular hardware handles resource, realization is to integral collecting, processing and the control output of whole useful informations of the synthetic-aperture radar of different working modes and data, effectively reduction system multi-operation mode is handled and the complexity requirement of controlling data, improves radar system functional reliability and stability.
Description of drawings
Fig. 1 is the synoptic diagram of realization high-accuracy multifunctional polarization sensitive synthetic aperture radar system integrated data acquisition provided by the invention, processing and control and management.
Fig. 2 is pairing composition of specific embodiment provided by the invention and annexation synoptic diagram.
Fig. 3 is the detailed realization synoptic diagram of data and signal Processing in the specific embodiment provided by the invention.
Embodiment
The invention provides a kind of realization high-accuracy multifunctional polarization sensitive synthetic aperture radar system integration data and handle and the control and management technology, this technology adopts integrated data acquisition and computing hardware platform, mainly comprises:
Information and date integral collecting unit, the status information, posture position metrical information and the radar return data that are used for integrated reception and gather each extension set of radar system;
The motion compensation calculations unit is used for the radar system position and attitude measurement parameter of integration processing from IMU, GPS and Gimbals, calculates the parameter that is used for motion compensation and system's control;
The real time imagery processing unit is used to handle the radar return data that collect, and in conjunction with motion compensation parameters, eliminates the influence of kinematic error to image quality;
System monitoring, control and administrative unit are used for according to the status information and the external control information of gathering the radar system duty being detected, and carry out the control corresponding instruction, and the control radar system works is under corresponding pattern.
The different processing units of above-mentioned platform adopts extendible unified shader high-performance hardware resource to realize, for different pieces of information treatment scale and radar system control complexity, adjusts by the modularization expansion of hardware resource, can realize integrated design.
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
As shown in Figure 1, Fig. 1 is the structural representation of high-accuracy multifunctional polarization sensitive synthetic aperture radar system integrated data acquisition provided by the invention, processing and control and management.Fig. 2 is an embodiment of the given basic synoptic diagram of Fig. 1.
Polarization sensitive synthetic aperture radar system work will be carried out transmitting-receiving, collection and the processing of signal according to system configuration parameter under selected mode of operation, this also is the groundwork flow process of radar system.For guaranteeing the correct imaging work reliably of radar, need the work of a large amount of outer secondary supplementary informations and data participation system.These data comprise attitude, the location measurement information that the aircraft inertial navigation is provided, antenna stabilized platform control extension set provides the antenna attitude metrical information, the external control instruction that the aircraft bus provides, the status informations of extension sets such as high power transmitter, low power analog and receiver unit etc., extension set state acquisition module is mainly finished the reception and the collection of above-mentioned information and instruction.The A/D cache module is mainly finished the high-speed digitization collection of radar echo signal.Auxiliary data forms module and then digitizing echoed signal and information, instruction acquisition signal is obtained fused data, forms the information of total digitalization, uniform format, is convenient to the realization that follow-up signal is handled.
Radar information and data integrated collecting unit are passed to external control instruction, system health information and aspect, positional information and adopt the monitoring of built-in PC designed system, control and administrative unit by data transmission bus, finish the real-time monitoring of radar extension set duty.Simultaneously, system is controlled on the basis of finishing each extension set work control, need accurately control and compensate the sensing of antenna beam according to motion compensation parameters and system works pattern, to satisfy of the requirement of mode of operations such as pack, scanning controlling antenna wave beam to point.Eliminate simultaneously because carrier aircraft is moved to the disturbance of antenna beam.
Motion compensation calculations unit and real time imagery processing unit all adopt the unified realization of the processing module of TS101 high-performance digital signal processor design, as shown in Figure 3.The real time imagery processing unit then utilizes fused data, employing is calculated in conjunction with the two dimensional compaction imaging processing of motion compensation, realize the imaging processing of radar return image data,, radar image is passed to the external transmission that data transmission interface is realized the radar image that obtains through after the image Compression.And TS101 high performance digital signal processing module is a kind of processing unit that can carry out software arrangements, by configuration different disposal software, make the signal handling capacity of system's acquisition, realize incorporate data processing function as different modes such as ground moving object detections.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. polarization sensitive synthetic aperture radar system integration data treating apparatus mainly comprises:
Radar information and data integrated collecting unit, the status information, posture position metrical information and the radar return data that are used for integrated reception and gather each extension set of radar system;
The motion compensation calculations unit, receiving also, integration processing calculates the parameter that is used for motion compensation and system's control from the radar system position and attitude measurement parameter of radar information and data integrated collecting unit;
The real time imagery processing unit receives and handles the radar return data of gathering from radar information and data integrated collecting unit, and in conjunction with the motion compensation parameters that the motion compensation calculations unit is sent, eliminates the influence of kinematic error to image quality;
System monitoring, control and administrative unit, receive and according to system status parameters and the steering order sent from radar information and data integrated collecting unit, the radar system duty is detected, and carry out steering order control radar system works under corresponding pattern; Simultaneously system model and parameter are issued the real time imagery processing unit.
2. polarization sensitive synthetic aperture radar system integration data treating apparatus according to claim 1, wherein, the radar system position and attitude measurement parameter of radar information and data integrated collecting unit comprises the radar system position and attitude measurement parameter of IMU, GPS and Gimbals.
3. method of utilizing the described polarization sensitive synthetic aperture radar system integration data of claim 1 treating apparatus to realize data processing and control, all external informations that radar is obtained, state and data are carried out integral collecting, collection result is through motion compensation units, real time imagery processing unit and system monitoring, the processing of control and processing unit, form different data messages, comprise moving compensating data, realtime image data and control and management information, above-mentioned information completely contained the radar duty, steering order and image information have realized relevant information and data integrated processing and integrated control and management to the high-accuracy multifunctional polarization sensitive synthetic aperture radar system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110032558 CN102193086B (en) | 2010-02-09 | 2011-01-27 | Device and method for processing integrated data of synthetic aperture radar system |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010106822.X | 2010-02-09 | ||
CN201010106822 | 2010-02-09 | ||
CN201010614332 | 2010-12-30 | ||
CN201010614332.0 | 2010-12-30 | ||
CN 201110032558 CN102193086B (en) | 2010-02-09 | 2011-01-27 | Device and method for processing integrated data of synthetic aperture radar system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102193086A true CN102193086A (en) | 2011-09-21 |
CN102193086B CN102193086B (en) | 2013-01-30 |
Family
ID=44601509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201110032558 Expired - Fee Related CN102193086B (en) | 2010-02-09 | 2011-01-27 | Device and method for processing integrated data of synthetic aperture radar system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102193086B (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102628933A (en) * | 2012-04-26 | 2012-08-08 | 中国科学院东北地理与农业生态研究所 | Data processing and imaging method for multi-frequency microwave radiometer |
CN103197285A (en) * | 2013-03-22 | 2013-07-10 | 电子科技大学 | Navigation data fitting method used for synthetic aperture radar imaging |
CN103207385A (en) * | 2013-04-12 | 2013-07-17 | 中国科学院电子学研究所 | High resolution and wide swath airborne synthetic aperture radar (SAR) real-time imaging processing system based on graphics processing unit (GPU) |
CN105929400A (en) * | 2016-05-25 | 2016-09-07 | 中国科学院遥感与数字地球研究所 | Accurate measurement-based flight speed variable airborne SAR (synthetic aperture radar) data compensation method under constant PRF (pulse repetition frequency) |
CN110018459A (en) * | 2019-04-11 | 2019-07-16 | 上海卫星工程研究所 | Satellite-borne SAR echo auxiliary data process of analysis design method |
CN113655481A (en) * | 2021-09-27 | 2021-11-16 | 水利部南京水利水文自动化研究所 | InSAR deformation monitoring precision improving and detecting method and system |
CN113759376A (en) * | 2021-09-22 | 2021-12-07 | 上海无线电设备研究所 | Autonomous detection imaging integrated radar device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1811486A (en) * | 2005-01-25 | 2006-08-02 | 中国科学院电子学研究所 | Airborne interference SAR system and method based on POS |
US20070247461A1 (en) * | 2006-04-25 | 2007-10-25 | The Boeing Company | Subaperture 3D imaging |
-
2011
- 2011-01-27 CN CN 201110032558 patent/CN102193086B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1811486A (en) * | 2005-01-25 | 2006-08-02 | 中国科学院电子学研究所 | Airborne interference SAR system and method based on POS |
US20070247461A1 (en) * | 2006-04-25 | 2007-10-25 | The Boeing Company | Subaperture 3D imaging |
Non-Patent Citations (2)
Title |
---|
《IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING》 20080831 Xupu Geng et al. "A Two-Dimensional Spectrum Model for General Bistatic SAR" 第2216-2223页 1-3 第46卷, 第8期 * |
《电子与信息学报》 20040731 郭智 等 "一种高分辨率机载SAR实时数据处理系统设计" 第1120-1125页 1-3 第26卷, 第7期 * |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102628933A (en) * | 2012-04-26 | 2012-08-08 | 中国科学院东北地理与农业生态研究所 | Data processing and imaging method for multi-frequency microwave radiometer |
CN102628933B (en) * | 2012-04-26 | 2013-07-17 | 中国科学院东北地理与农业生态研究所 | Data processing and imaging method for multi-frequency microwave radiometer |
CN103197285A (en) * | 2013-03-22 | 2013-07-10 | 电子科技大学 | Navigation data fitting method used for synthetic aperture radar imaging |
CN103197285B (en) * | 2013-03-22 | 2014-08-13 | 电子科技大学 | Navigation data fitting method used for synthetic aperture radar imaging |
CN103207385A (en) * | 2013-04-12 | 2013-07-17 | 中国科学院电子学研究所 | High resolution and wide swath airborne synthetic aperture radar (SAR) real-time imaging processing system based on graphics processing unit (GPU) |
CN105929400B (en) * | 2016-05-25 | 2018-10-16 | 中国科学院遥感与数字地球研究所 | Based on change speed of a ship or plane carried SAR compensation data method under the constant PRF accurately measured |
CN105929400A (en) * | 2016-05-25 | 2016-09-07 | 中国科学院遥感与数字地球研究所 | Accurate measurement-based flight speed variable airborne SAR (synthetic aperture radar) data compensation method under constant PRF (pulse repetition frequency) |
CN110018459A (en) * | 2019-04-11 | 2019-07-16 | 上海卫星工程研究所 | Satellite-borne SAR echo auxiliary data process of analysis design method |
CN110018459B (en) * | 2019-04-11 | 2023-06-09 | 上海卫星工程研究所 | Method for designing analysis flow of satellite-borne SAR echo auxiliary data |
CN113759376A (en) * | 2021-09-22 | 2021-12-07 | 上海无线电设备研究所 | Autonomous detection imaging integrated radar device |
CN113759376B (en) * | 2021-09-22 | 2023-09-19 | 上海无线电设备研究所 | Autonomous detection imaging integrated radar device |
CN113655481A (en) * | 2021-09-27 | 2021-11-16 | 水利部南京水利水文自动化研究所 | InSAR deformation monitoring precision improving and detecting method and system |
CN113655481B (en) * | 2021-09-27 | 2023-11-24 | 水利部南京水利水文自动化研究所 | InSAR deformation monitoring precision improving and checking method and system |
Also Published As
Publication number | Publication date |
---|---|
CN102193086B (en) | 2013-01-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102193086B (en) | Device and method for processing integrated data of synthetic aperture radar system | |
US9002508B2 (en) | RFID for location of the load on a tower crane | |
DE69232715T2 (en) | Vehicle tracking system using a GPS-type satellite navigation system | |
US9041595B2 (en) | Determining the location of a load for a tower crane | |
CN104808558B (en) | A kind of multitask load system suitable for extraordinary general-purpose aircraft | |
CN110515050B (en) | Satellite-borne SAR real-time echo simulator based on GPU | |
CN204314724U (en) | A kind of high-speed unmanned aerial vehicle telechirics | |
CN105572664A (en) | Networking navigation radar target tracking system based on data fusion | |
CN100386647C (en) | Airborne interference SAR system and method based on POS | |
JP2011157187A (en) | Raw material heap measuring system of raw material yard, raw material heap measuring method of raw material yard and computer program | |
CN106226803A (en) | Localization method, device and unmanned plane | |
CN112461213B (en) | Multi-mode wave monitoring device and monitoring method | |
CN102788579A (en) | Unmanned aerial vehicle visual navigation method based on SIFT algorithm | |
CN112729248A (en) | Remote sensing detection system and method based on unmanned aerial vehicle platform | |
CN109765556A (en) | A kind of bearing calibration of Bistatic SAR fast geometric and device based on series inverting | |
CN103630138A (en) | Unmanned aerial vehicle visual navigation method based on camera head calibration algorithm | |
CN114047515A (en) | Unmanned ship-based side-scan sonar system and side-scan sonar equipment data processing method | |
CN110133699A (en) | A kind of hypercompact combination navigation positioning system and method | |
CN213750765U (en) | Visual unmanned aerial vehicle for collaborative search and collaborative search platform | |
CN112379373B (en) | Space-borne SAR real-time imaging device | |
CN111025298A (en) | Unmanned aerial vehicle topography survey system | |
CN112985398A (en) | Target positioning method and system | |
CN112235041A (en) | Real-time point cloud processing system and method and airborne data acquisition device and method | |
CN112154480B (en) | Positioning method and device for movable platform, movable platform and storage medium | |
CN113252023A (en) | Positioning method, device and equipment based on odometer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20140127 |