FR2376420B1 - - Google Patents
Info
- Publication number
- FR2376420B1 FR2376420B1 FR7800060A FR7800060A FR2376420B1 FR 2376420 B1 FR2376420 B1 FR 2376420B1 FR 7800060 A FR7800060 A FR 7800060A FR 7800060 A FR7800060 A FR 7800060A FR 2376420 B1 FR2376420 B1 FR 2376420B1
- Authority
- FR
- France
- 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.)
- Expired
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
- 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
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/60—Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
-
- 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
- G01S13/9041—Squint mode
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/756,455 US4084158A (en) | 1977-01-03 | 1977-01-03 | Method of operating synthetic aperture radar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2376420A1 FR2376420A1 (fr) | 1978-07-28 |
| FR2376420B1 true FR2376420B1 (fr) | 1984-03-23 |
Family
ID=25043566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7800060A Granted FR2376420A1 (fr) | 1977-01-03 | 1978-01-03 | Radar a ouverture synthetique |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4084158A (fr) |
| JP (1) | JPS5385192A (fr) |
| CA (1) | CA1083695A (fr) |
| DE (1) | DE2800074A1 (fr) |
| FR (1) | FR2376420A1 (fr) |
| GB (1) | GB1540950A (fr) |
| IT (1) | IT1103462B (fr) |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4132989A (en) * | 1977-10-18 | 1979-01-02 | Nasa | Azimuth correlator for real-time synthetic aperture radar image processing |
| US4268828A (en) * | 1979-09-19 | 1981-05-19 | Ford Aerospace & Communications Corporation | Swept frequency radar system employing phaseless averaging |
| US5172118A (en) * | 1980-12-29 | 1992-12-15 | Raytheon Company | All weather tactical strike system (AWISS) and method of operation |
| US4546355A (en) * | 1982-06-17 | 1985-10-08 | Grumman Aerospace Corporation | Range/azimuth/elevation ship imaging for ordnance control |
| US4564839A (en) * | 1982-09-14 | 1986-01-14 | The United States Of America As Represented By The Secretary Of The Air Force | Feature referenced error correction apparatus |
| US4771287A (en) * | 1983-06-23 | 1988-09-13 | Westinghouse Electric Corp. | Method of correcting for errors in radar imaging |
| US4611208A (en) * | 1983-10-04 | 1986-09-09 | The United States Of America As Represented By The Secretary Of The Air Force | Means for aligning elevation beam pattern along an isodop in synthetic aperture mapping radar |
| JPH0646405B2 (ja) * | 1984-09-07 | 1994-06-15 | 株式会社日立製作所 | 合成開口レ−ダ画像再生処理方法 |
| US4617567A (en) * | 1984-09-28 | 1986-10-14 | The Boeing Company | Automatic motion compensation for residual motion in a synthetic aperture radar system |
| US4706088A (en) * | 1986-03-24 | 1987-11-10 | United Technologies Corporation | Synthetic aperture radar focusing |
| US4706089A (en) * | 1986-03-24 | 1987-11-10 | United Technologies Corporation | Synthetic aperture radar focusing |
| US4724418A (en) * | 1986-03-24 | 1988-02-09 | United Technologies Corporation | Synthetic aperture radar focusing |
| DE3712065C1 (de) * | 1987-04-09 | 1988-09-22 | Dornier System Gmbh | Verfahren zur topografischen Kartierung |
| GB8714746D0 (en) * | 1987-06-24 | 1987-07-29 | Secr Defence | Synthetic aperture radar |
| US4851848A (en) * | 1988-02-01 | 1989-07-25 | The United States Of America As Represented By The Secretary Of The Navy | Frequency agile synthetic aperture radar |
| US5029307A (en) * | 1988-03-30 | 1991-07-02 | Director General, Agency Of Industrial Science And Technology | Synthetic aperture radar apparatus |
| US5189424A (en) * | 1991-09-19 | 1993-02-23 | Environmental Research Institute Of Michigan | Three dimensional interferometric synthetic aperture radar terrain mapping employing altitude measurement and second order correction |
| US5160931A (en) * | 1991-09-19 | 1992-11-03 | Environmental Research Institute Of Michigan | Interferometric synthetic aperture detection of sparse non-surface objects |
| US5170171A (en) * | 1991-09-19 | 1992-12-08 | Environmental Research Institute Of Michigan | Three dimensional interferometric synthetic aperture radar terrain mapping employing altitude measurement |
| US5424742A (en) * | 1992-12-31 | 1995-06-13 | Raytheon Company | Synthetic aperture radar guidance system and method of operating same |
| US5430445A (en) * | 1992-12-31 | 1995-07-04 | Raytheon Company | Synthetic aperture radar guidance system and method of operating same |
| US5442364A (en) * | 1993-07-22 | 1995-08-15 | The United States Of America As Represented By The Secretary Of The Navy | Alignment and beam spreading for ground radial airborne radar |
| EP1625416B1 (fr) * | 2003-05-21 | 2011-07-13 | Astrium Limited | Ameliorations relatives a un appareil imageur et procede |
| US8129684B2 (en) * | 2005-03-22 | 2012-03-06 | Coherent, Inc. | Detection of hidden objects by terahertz heterodyne laser imaging |
| US20070257194A1 (en) * | 2005-03-22 | 2007-11-08 | Mueller Eric R | Terahertz heterodyne tomographic imaging system |
| US7345279B2 (en) * | 2005-09-20 | 2008-03-18 | Coherent, Inc. | Identification of hidden objects by terahertz heterodyne laser imaging |
| US7378658B2 (en) * | 2005-09-20 | 2008-05-27 | Coherent, Inc. | Security portal with THz trans-receiver |
| US7277042B1 (en) * | 2006-05-12 | 2007-10-02 | Raytheon Company | Compensation of flight path deviation for spotlight SAR |
| US8144051B2 (en) * | 2008-09-05 | 2012-03-27 | Raytheon Company | Adaptive sidelobe blanking for motion compensation |
| US9176227B2 (en) * | 2010-06-28 | 2015-11-03 | Institute National D'optique | Method and apparatus for compensating for a parameter change in a synthetic aperture imaging system |
| CN101943753B (zh) * | 2010-07-29 | 2012-06-13 | 西安空间无线电技术研究所 | 一种微波雷达波束中心向速度的测量方法 |
| US8559894B2 (en) * | 2011-09-01 | 2013-10-15 | Baron Services, Inc. | Klystron transmitter |
| CN105403887B (zh) * | 2015-12-25 | 2017-07-28 | 西安电子工程研究所 | 基于ins的机载sar实时运动补偿方法 |
| US10613212B2 (en) | 2017-08-14 | 2020-04-07 | Oculii Corp. | Systems and methods for doppler-enhanced radar tracking |
| US10564277B2 (en) | 2018-01-30 | 2020-02-18 | Oculii Corp. | Systems and methods for interpolated virtual aperature radar tracking |
| US11047974B1 (en) | 2019-12-13 | 2021-06-29 | Oculii Corp. | Systems and methods for virtual doppler and/or aperture enhancement |
| US11994578B2 (en) | 2019-12-13 | 2024-05-28 | Oculli Corp. | Systems and methods for virtual doppler and/or aperture enhancement |
| US11041940B1 (en) | 2019-12-20 | 2021-06-22 | Oculii Corp. | Systems and methods for phase-modulated radar detection |
| US11280879B2 (en) | 2020-06-16 | 2022-03-22 | Oculii Corp. | System and method for radar interference mitigation |
| US11841420B2 (en) | 2020-11-16 | 2023-12-12 | Oculii Corp. | System and method for radar-based localization and/or mapping |
| US11561299B1 (en) | 2022-06-03 | 2023-01-24 | Oculii Corp. | System and method for multi-waveform radar tracking |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3341847A (en) * | 1966-05-24 | 1967-09-12 | North American Aviation Inc | Platform motion compensation of a coherent mti system |
| US3737900A (en) * | 1967-09-25 | 1973-06-05 | Rockwell International Corp | Digital doppler processor |
| US3768096A (en) * | 1968-09-30 | 1973-10-23 | North American Rockwell | Focusing control of synthetic aperture processing for sidelooking radar |
| US4034370A (en) * | 1972-08-23 | 1977-07-05 | Westinghouse Electric Corporation | Second order motion compensator for high resolution radar |
| US3787848A (en) * | 1972-08-28 | 1974-01-22 | Hughes Aircraft Co | System for discriminating between high and low speed targets |
| US3987285A (en) * | 1973-05-04 | 1976-10-19 | Rca Corporation | Digital matched filtering using a step transform process |
| FR2315703A1 (fr) * | 1975-06-24 | 1977-01-21 | Thomson Csf | Systeme radar a vision laterale |
-
1977
- 1977-01-03 US US05/756,455 patent/US4084158A/en not_active Expired - Lifetime
- 1977-12-12 CA CA292,873A patent/CA1083695A/fr not_active Expired
- 1977-12-16 GB GB52540/77A patent/GB1540950A/en not_active Expired
- 1977-12-27 JP JP15855877A patent/JPS5385192A/ja active Granted
-
1978
- 1978-01-02 IT IT47507/78A patent/IT1103462B/it active
- 1978-01-02 DE DE19782800074 patent/DE2800074A1/de active Granted
- 1978-01-03 FR FR7800060A patent/FR2376420A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1540950A (en) | 1979-02-21 |
| IT1103462B (it) | 1985-10-14 |
| IT7847507A0 (it) | 1978-01-02 |
| DE2800074A1 (de) | 1978-08-17 |
| JPS5385192A (en) | 1978-07-27 |
| US4084158A (en) | 1978-04-11 |
| FR2376420A1 (fr) | 1978-07-28 |
| DE2800074C2 (fr) | 1988-03-10 |
| CA1083695A (fr) | 1980-08-12 |
| JPS6249590B2 (fr) | 1987-10-20 |