CA2628160C - Synthetic aperture radar - Google Patents
Synthetic aperture radar Download PDFInfo
- Publication number
- CA2628160C CA2628160C CA002628160A CA2628160A CA2628160C CA 2628160 C CA2628160 C CA 2628160C CA 002628160 A CA002628160 A CA 002628160A CA 2628160 A CA2628160 A CA 2628160A CA 2628160 C CA2628160 C CA 2628160C
- Authority
- CA
- Canada
- Prior art keywords
- radar
- prf
- pulses
- stream
- received
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005316 response function Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000002123 temporal effect Effects 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
- G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
-
- 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
-
- 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
- G01S13/9054—Stripmap mode
-
- 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
- G01S13/9056—Scan SAR mode
-
- 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
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
- G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
- G01S7/2926—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods by integration
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0523352A GB0523352D0 (en) | 2005-11-16 | 2005-11-16 | Synthetic aperture radar |
| EP05257074 | 2005-11-16 | ||
| EP05257074.4 | 2005-11-16 | ||
| GB0523352.3 | 2005-11-16 | ||
| PCT/GB2006/050390 WO2007057707A1 (en) | 2005-11-16 | 2006-11-15 | Synthetic aperture radar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2628160A1 CA2628160A1 (en) | 2007-05-24 |
| CA2628160C true CA2628160C (en) | 2009-10-13 |
Family
ID=37564343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002628160A Active CA2628160C (en) | 2005-11-16 | 2006-11-15 | Synthetic aperture radar |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7705766B2 (enExample) |
| EP (1) | EP1949133B1 (enExample) |
| JP (1) | JP5155175B2 (enExample) |
| CN (1) | CN101310193B (enExample) |
| CA (1) | CA2628160C (enExample) |
| ES (1) | ES2388498T3 (enExample) |
| WO (1) | WO2007057707A1 (enExample) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2364887C2 (ru) * | 2007-09-25 | 2009-08-20 | ОАО "Уральское проектно-конструкторское бюро " Деталь" | Способ навигации летательного аппарата по радиолокационным изображениям земной поверхности с использованием цифровых моделей местности |
| RU2347239C1 (ru) * | 2007-10-02 | 2009-02-20 | Государственное образовательное учреждение высшего профессионального образования Воронежское высшее военное авиационное инженерное училище (военный институт) | Способ формирования радиолокационного изображения объектов |
| RU2360267C1 (ru) * | 2007-11-06 | 2009-06-27 | Военная академия войсковой противовоздушной обороны Вооруженных Сил Российской Федерации | Способ выбора интервала инверсного синтезирования с рассчитываемой угловой скоростью поворота цели относительно радиолокатора |
| RU2378662C1 (ru) * | 2008-06-02 | 2010-01-10 | Государственное образовательное учреждение высшего профессионального образования Тамбовское высшее военное авиационное инженерное училище радиоэлектроники (военный институт) | Способ выбора оптимальной продолжительности интервала синтезирования в радиолокационной станции с инверсным синтезированием апертуры антенны |
| RU2392635C2 (ru) * | 2008-06-04 | 2010-06-20 | Федеральное государственное унитарное предприятие "Государственный научно-исследовательский институт авиационных систем" | Способ обнаружения и определения координат искомого объекта |
| FR2938925B1 (fr) * | 2008-11-21 | 2015-09-04 | Thales Sa | Dispositif de radar pour la surveillance maritime |
| CN102798868B (zh) * | 2012-07-27 | 2014-05-07 | 符建 | 基于飞行光谱的三维成像雷达系统 |
| JP2014052336A (ja) * | 2012-09-10 | 2014-03-20 | Mitsubishi Electric Corp | 信号処理装置およびレーダ観測方法 |
| ITTO20130108A1 (it) * | 2013-02-08 | 2014-08-09 | Thales Alenia Space Italia S P A C On Unico Socio | Innovativo metodo per generare immagini sar in modalita' stripmap |
| GB2512619B (en) * | 2013-04-03 | 2018-11-14 | Leonardo Mw Ltd | Radar systems and methods |
| WO2016153914A1 (en) | 2015-03-25 | 2016-09-29 | King Abdulaziz City Of Science And Technology | Apparatus and methods for synthetic aperture radar with digital beamforming |
| WO2017044168A2 (en) | 2015-06-16 | 2017-03-16 | King Abdulaziz City Of Science And Technology | Efficient planar phased array antenna assembly |
| US10955546B2 (en) | 2015-11-25 | 2021-03-23 | Urthecast Corp. | Synthetic aperture radar imaging apparatus and methods |
| WO2017214720A1 (en) * | 2016-06-14 | 2017-12-21 | Raytheon Canada Limited | Impulse noise detection and removal for radar and communication systems |
| CN106291544B (zh) * | 2016-07-19 | 2018-08-10 | 西安交通大学 | 一种混合模式成像装置及方法 |
| CA3064586A1 (en) | 2017-05-23 | 2018-11-29 | King Abdullah City Of Science And Technology | Synthetic aperture radar imaging apparatus and methods for moving targets |
| EP3631504B8 (en) | 2017-05-23 | 2023-08-16 | Spacealpha Insights Corp. | Synthetic aperture radar imaging apparatus and methods |
| US10444348B2 (en) * | 2017-08-17 | 2019-10-15 | Gm Global Technology Operations | Separation of close targets based on Doppler precoding |
| CA3083033A1 (en) | 2017-11-22 | 2019-11-28 | Urthecast Corp. | Synthetic aperture radar apparatus and methods |
| US10371797B1 (en) * | 2018-05-23 | 2019-08-06 | Zendar Inc. | Systems and methods for enhancing target detection |
| US11237246B1 (en) * | 2020-07-13 | 2022-02-01 | Dbtsystems Llc | Pulsed radar with multispectral modulation to reduce interference, increase PRF, and improve doppler velocity measurement |
| KR102260877B1 (ko) * | 2021-02-22 | 2021-06-07 | 아주대학교산학협력단 | 위성 합성개구레이더의 원시데이터 처리 방법 및 장치 |
| GB2615125B (en) * | 2022-01-31 | 2025-04-30 | Iceye Oy | Reducing ambiguities in synthetic aperture radar images |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106019A (en) * | 1972-10-05 | 1978-08-08 | Hughes Aircraft Company | Range resolving doppler radar system |
| FR2599853B1 (fr) * | 1981-05-15 | 1989-03-31 | Thomson Csf | Procede de levee d'ambiguite en distance dans un radar pulse doppler, dispositif pour sa mise en oeuvre et radar comportant un tel dispositif |
| JPS5958375A (ja) * | 1982-09-28 | 1984-04-04 | Toshiba Corp | レ−ダ装置 |
| US4593286A (en) * | 1983-04-25 | 1986-06-03 | Westinghouse Electric Corp. | Method of operating an agile beam coherent radar |
| JPS6135382A (ja) | 1984-07-28 | 1986-02-19 | Natl Space Dev Agency Japan<Nasda> | 合成開口レ−ダ |
| US4706088A (en) * | 1986-03-24 | 1987-11-10 | United Technologies Corporation | Synthetic aperture radar focusing |
| GB8615204D0 (en) * | 1986-06-21 | 1986-10-29 | Thorn Emi Electronics Ltd | Radar |
| GB8906520D0 (en) | 1989-03-21 | 1989-11-08 | British Aerospace | Synthetic aperture radar |
| DE4026874C1 (enExample) * | 1990-08-25 | 1992-04-30 | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt Ev, 5300 Bonn, De | |
| US5122803A (en) * | 1991-11-06 | 1992-06-16 | The United States Of America As Represented By The Secretary Of The Army | Moving target imaging synthetic aperture radar |
| DE19521624A1 (de) | 1995-06-14 | 1995-12-21 | Rst Raumfahrt Systemtechnik Gm | Verfahren und Vorrichtung zur Erzeugung einer großen Streifenbreite bei Radargeräten mit synthetischer Apertur (SAR) durch die Verwendung von subsequent gepulsten Frequenzkanälen |
| US5745069A (en) | 1996-09-10 | 1998-04-28 | Ball Corporation | Reduction of radar antenna area |
| US5847677A (en) * | 1997-07-07 | 1998-12-08 | The United States Of America As Represented By The Secretary Of The Army | Random number generator for jittered pulse repetition interval radar systems |
| ES2256102T3 (es) * | 2001-03-15 | 2006-07-16 | Eads Astrium Gmbh | Sistema de radar de apertura sintetica de exploracion lateral. |
| US6633253B2 (en) * | 2001-04-02 | 2003-10-14 | Thomas J. Cataldo | Dual synthetic aperture radar system |
| US7196653B2 (en) * | 2003-05-21 | 2007-03-27 | Astrium Limited | Imaging apparatus and method |
-
2006
- 2006-11-15 EP EP06808754A patent/EP1949133B1/en active Active
- 2006-11-15 JP JP2008540703A patent/JP5155175B2/ja not_active Expired - Fee Related
- 2006-11-15 WO PCT/GB2006/050390 patent/WO2007057707A1/en not_active Ceased
- 2006-11-15 ES ES06808754T patent/ES2388498T3/es active Active
- 2006-11-15 US US11/662,520 patent/US7705766B2/en active Active
- 2006-11-15 CA CA002628160A patent/CA2628160C/en active Active
- 2006-11-15 CN CN2006800430022A patent/CN101310193B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2628160A1 (en) | 2007-05-24 |
| JP2009516191A (ja) | 2009-04-16 |
| CN101310193B (zh) | 2012-03-14 |
| US20090051587A1 (en) | 2009-02-26 |
| US7705766B2 (en) | 2010-04-27 |
| EP1949133B1 (en) | 2012-07-04 |
| WO2007057707A1 (en) | 2007-05-24 |
| JP5155175B2 (ja) | 2013-02-27 |
| EP1949133A1 (en) | 2008-07-30 |
| CN101310193A (zh) | 2008-11-19 |
| ES2388498T3 (es) | 2012-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |