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 PDF

Info

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
Application number
CN 201110032558
Other languages
Chinese (zh)
Other versions
CN102193086B (en
Inventor
王岩飞
韩松
樊邦奎
李建雄
徐向辉
刘畅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Electronics of CAS
Original Assignee
Institute of Electronics of CAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Institute of Electronics of CAS filed Critical Institute of Electronics of CAS
Priority to CN 201110032558 priority Critical patent/CN102193086B/en
Publication of CN102193086A publication Critical patent/CN102193086A/en
Application granted granted Critical
Publication of CN102193086B publication Critical patent/CN102193086B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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

To polarization sensitive synthetic aperture radar system integration data treating apparatus and method
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.
CN 201110032558 2010-02-09 2011-01-27 Device and method for processing integrated data of synthetic aperture radar system Expired - Fee Related CN102193086B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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