CN103576152B - 一种滑动聚束合成孔径雷达及其实现方法和装置 - Google Patents
一种滑动聚束合成孔径雷达及其实现方法和装置 Download PDFInfo
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- CN103576152B CN103576152B CN201310597298.4A CN201310597298A CN103576152B CN 103576152 B CN103576152 B CN 103576152B CN 201310597298 A CN201310597298 A CN 201310597298A CN 103576152 B CN103576152 B CN 103576152B
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- sliding spotlight
- spotlight sar
- sar
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- 238000000034 method Methods 0.000 claims abstract description 15
- 230000009897 systematic effect Effects 0.000 claims abstract description 8
- 230000035945 sensitivity Effects 0.000 claims description 24
- 238000013508 migration Methods 0.000 claims description 19
- 230000005012 migration Effects 0.000 claims description 19
- 230000010354 integration Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 abstract description 8
- 239000004744 fabric Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000004304 visual acuity Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
- G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/12—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
- G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
- G01S13/904—SAR modes
- G01S13/9052—Spotlight mode
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
轨道高度 | 700Km | 发射载频 | 9.6GHz |
分辨率 | 0.15m | 测绘幅宽 | 15Km |
AASR限制 | 小于-20dB | RASR限制 | 小于-20dB |
NESZ限制 | 小于-20dB | 视角范围 | 13度到53度 |
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310597298.4A CN103576152B (zh) | 2013-11-22 | 2013-11-22 | 一种滑动聚束合成孔径雷达及其实现方法和装置 |
EP14162605.1A EP2762917B1 (en) | 2013-11-22 | 2014-03-31 | Sliding spotlight synthetic aperture radar, and method and device for implementing sliding spotlight SAR |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310597298.4A CN103576152B (zh) | 2013-11-22 | 2013-11-22 | 一种滑动聚束合成孔径雷达及其实现方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103576152A CN103576152A (zh) | 2014-02-12 |
CN103576152B true CN103576152B (zh) | 2016-04-06 |
Family
ID=50048326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310597298.4A Active CN103576152B (zh) | 2013-11-22 | 2013-11-22 | 一种滑动聚束合成孔径雷达及其实现方法和装置 |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2762917B1 (zh) |
CN (1) | CN103576152B (zh) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104062659B (zh) * | 2014-07-11 | 2016-08-24 | 哈尔滨工业大学 | 基于压缩感知的滑动聚束sar三维成像方法 |
CN104515980A (zh) * | 2014-12-08 | 2015-04-15 | 广西大学 | 一种基于InSAR构型的地面运动目标检测方法和装置 |
US10871561B2 (en) | 2015-03-25 | 2020-12-22 | Urthecast Corp. | Apparatus and methods for synthetic aperture radar with digital beamforming |
CN108432049B (zh) | 2015-06-16 | 2020-12-29 | 阿卜杜拉阿齐兹国王科技城 | 有效平面相控阵列天线组件 |
EP3380864A4 (en) | 2015-11-25 | 2019-07-03 | Urthecast Corp. | APPARATUS AND METHODS FOR OPEN SYNTHESIS RADAR IMAGING |
CN106226768B (zh) * | 2016-08-09 | 2018-08-21 | 北京空间飞行器总体设计部 | 超高分辨率敏捷sar卫星滑动聚束模式系统参数设计方法 |
CN106291557B (zh) * | 2016-08-30 | 2018-09-18 | 西安空间无线电技术研究所 | 一种实现星载sar超高分辨率滑动聚束模式的卫星平台姿态机动方法 |
CN106597436A (zh) * | 2016-11-13 | 2017-04-26 | 华东交通大学 | 一种基于多普勒参数分析的uav聚束sar前向速度估计方法 |
CA3064735C (en) | 2017-05-23 | 2022-06-21 | Urthecast Corp. | Synthetic aperture radar imaging apparatus and methods |
US11378682B2 (en) | 2017-05-23 | 2022-07-05 | Spacealpha Insights Corp. | Synthetic aperture radar imaging apparatus and methods for moving targets |
CN107462889B (zh) * | 2017-07-19 | 2019-06-25 | 中国人民解放军国防科学技术大学 | 滑动聚束sar的步进扫描影响判决方法 |
CN107390217B (zh) * | 2017-07-19 | 2019-05-31 | 中国人民解放军国防科学技术大学 | 滑动聚束sar的步进扫描脉冲数设计方法 |
EP3698167A4 (en) * | 2017-11-22 | 2021-11-17 | Urthecast Corp. | SYNTHETIC OPENING RADAR FORMING APPARATUS AND ASSOCIATED PROCESSES |
CN109869192B (zh) * | 2019-03-28 | 2020-03-27 | 中国矿业大学 | 综采工作面端头推移状态监测装置及方法 |
CN110703247B (zh) * | 2019-10-30 | 2021-10-12 | 中国科学院电子学研究所 | 一种波位信息检测方法、波位信息检测装置和存储介质 |
KR102360811B1 (ko) * | 2020-09-02 | 2022-02-09 | 국방과학연구소 | 영상 레이다의 prf를 선정하는 장치 및 방법 |
CN112505698B (zh) * | 2020-11-20 | 2023-09-12 | 内蒙古工业大学 | 多通道滑聚sar方位信号预处理方法、装置及存储介质 |
CN112684448B (zh) * | 2020-12-22 | 2022-06-03 | 上海卫星工程研究所 | 面向多参数组合的星载sar波位计算及生成方法及系统 |
CN113176564B (zh) * | 2021-03-17 | 2022-06-07 | 中国科学院空天信息创新研究院 | 多通道滑动聚束模式的实现方法及装置、设备、存储介质 |
CN113406626B (zh) * | 2021-05-08 | 2022-06-24 | 中国科学院空天信息创新研究院 | 一种波位参数的设计方法、装置、设备和存储介质 |
CN114924269B (zh) * | 2022-05-16 | 2024-04-09 | 北京航空航天大学 | 一种基于星载f-scan sar的距离向模糊度分析方法 |
CN115436940B (zh) * | 2022-08-08 | 2024-02-09 | 南京航空航天大学 | 一种稀疏滑动聚束sar成像模式实现方法及装置 |
CN115657031B (zh) * | 2022-12-12 | 2023-03-07 | 中国科学院空天信息创新研究院 | 基于长时间滑动聚束的图像域动目标检测方法 |
CN116087953B (zh) * | 2023-03-20 | 2023-06-09 | 中国科学院空天信息创新研究院 | 一种星载sar多目标成像参数设计方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5969662A (en) * | 1995-09-21 | 1999-10-19 | Hellsten; Hans | SAR radar system |
CN101458334B (zh) * | 2007-12-14 | 2011-02-09 | 电子科技大学 | 一种双基地合成孔径雷达成像的运动补偿方法 |
-
2013
- 2013-11-22 CN CN201310597298.4A patent/CN103576152B/zh active Active
-
2014
- 2014-03-31 EP EP14162605.1A patent/EP2762917B1/en not_active Not-in-force
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5969662A (en) * | 1995-09-21 | 1999-10-19 | Hellsten; Hans | SAR radar system |
EP0855042B1 (en) * | 1995-09-21 | 2002-04-03 | Totalförsvarets Forskningsinstitut | A sar radar system |
JP3878213B2 (ja) * | 1995-09-21 | 2007-02-07 | スウェーデン王国 | Sarレーダシステム |
CN101458334B (zh) * | 2007-12-14 | 2011-02-09 | 电子科技大学 | 一种双基地合成孔径雷达成像的运动补偿方法 |
Non-Patent Citations (1)
Title |
---|
Investigation of Multichannel Sliding Spotlight SAR for Ultrahigh-Resolution and Wide-Swath Imaging;Qian Chen等;《IEEE GEOSCIENCE AND REMOTE SENSING LETTERS》;20131031;第10卷(第6期);第1339-1342页 * |
Also Published As
Publication number | Publication date |
---|---|
EP2762917A2 (en) | 2014-08-06 |
CN103576152A (zh) | 2014-02-12 |
EP2762917A3 (en) | 2014-08-27 |
EP2762917B1 (en) | 2016-01-06 |
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Inventor after: Guo Lei Inventor after: Wang Yu Inventor after: Deng Yunkai Inventor after: Luo Xiulian Inventor after: Wang Wei Inventor after: Qi Xiangyang Inventor after: Liu Huangjian Inventor after: Sun Huifeng Inventor before: Guo Lei Inventor before: Wang Yu Inventor before: Deng Yunkai Inventor before: Luo Xiulian Inventor before: Wang Wei |
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Effective date of registration: 20211012 Address after: 250000 floor 24, block B, No. 188, Xiaoqinghe North Road, Tianqiao District, Jinan City, Shandong Province Patentee after: Zhongke satellite (Shandong) Technology Group Co.,Ltd. Address before: 100089 No.19, Beisihuan West Road, Haidian District, Beijing Patentee before: Aerospace Information Research Institute,Chinese Academy of Sciences Effective date of registration: 20211012 Address after: 100089 No.19, Beisihuan West Road, Haidian District, Beijing Patentee after: Aerospace Information Research Institute,Chinese Academy of Sciences Address before: 100190 No. 19 West North Fourth Ring Road, Haidian District, Beijing Patentee before: Institute of Electronics, Chinese Academy of Sciences |