IL96674A - Radiator with a synthetic eyelet with a beam with a pointed adjustment capability - Google Patents
Radiator with a synthetic eyelet with a beam with a pointed adjustment capabilityInfo
- Publication number
- IL96674A IL96674A IL9667490A IL9667490A IL96674A IL 96674 A IL96674 A IL 96674A IL 9667490 A IL9667490 A IL 9667490A IL 9667490 A IL9667490 A IL 9667490A IL 96674 A IL96674 A IL 96674A
- Authority
- IL
- Israel
- Prior art keywords
- sar
- signals
- velocity vector
- antenna
- sum
- Prior art date
Links
- 239000013598 vector Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims 2
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 208000004350 Strabismus Diseases 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation 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
- G01S13/904—SAR modes
- G01S13/9092—SAR modes combined with monopulse 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
- G01S13/88—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
- G01S13/9047—Doppler beam sharpening 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/454,793 US4978961A (en) | 1989-12-21 | 1989-12-21 | Synthetic aperture radar with dead-ahead beam sharpening capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL96674A true IL96674A (en) | 1994-01-25 |
Family
ID=23806113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL9667490A IL96674A (en) | 1989-12-21 | 1990-12-14 | Radiator with a synthetic eyelet with a beam with a pointed adjustment capability |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4978961A (fr) |
| EP (1) | EP0434064B1 (fr) |
| DE (1) | DE69026583T2 (fr) |
| IL (1) | IL96674A (fr) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5250952A (en) * | 1991-07-01 | 1993-10-05 | Duane Roth | Method of correcting rotational motion error in SAR and ISAR imagery |
| US5546084A (en) * | 1992-07-17 | 1996-08-13 | Trw Inc. | Synthetic aperture radar clutter reduction system |
| US5334980A (en) * | 1993-08-02 | 1994-08-02 | Westinghouse Electric Corp. | Method and system for sharpening impulse response in a synthetic aperture radar |
| DE4332590C2 (de) * | 1993-09-24 | 1996-10-24 | Deutsche Forsch Luft Raumfahrt | Flugzeuggetragenes SAR-System zur Bestimmung einer Gelände-Topographie |
| FR2727764B1 (fr) * | 1994-12-05 | 1997-01-10 | Alcatel Espace | Restitution de pointage en elevation, notamment pour radar a synthese d'ouverture |
| ATE237811T1 (de) * | 1996-05-14 | 2003-05-15 | Honeywell Int Inc | Autonomes landeführungssystem |
| US5847673A (en) * | 1996-07-11 | 1998-12-08 | Northrop Grumman Corporation | System and method for determining a position of an object using output from a radar system |
| DE19927395A1 (de) | 1999-06-16 | 2001-01-04 | Daimler Chrysler Ag | Vorrichtung und Verfahren zur Erhöhung der Winkelauflösung einer Antennenanordnung |
| US6759983B2 (en) | 2001-03-28 | 2004-07-06 | Strategic Analysis, Inc. | Method and device for precise geolocation of low-power, broadband, amplitude-modulated signals |
| IL154396A0 (fr) | 2002-12-29 | 2009-02-11 | Haim Niv | |
| US6853330B1 (en) * | 2004-05-13 | 2005-02-08 | Raytheon Company | Inverse precision velocity update for monopulse calibration |
| JP4541189B2 (ja) * | 2005-03-02 | 2010-09-08 | 三菱電機株式会社 | レーダ装置 |
| US7362268B2 (en) * | 2005-05-11 | 2008-04-22 | Qualcomm Inc | Method for detecting navigation beacon signals using two antennas or equivalent thereof |
| US7333049B2 (en) * | 2006-02-10 | 2008-02-19 | Raytheon Company | Waveform ambiguity optimization for bistatic radar operation |
| US7701380B2 (en) * | 2007-03-07 | 2010-04-20 | Chirp Corporation | Beam phase modulation for improved synthetic aperture detection and estimation |
| US8618977B2 (en) * | 2011-01-05 | 2013-12-31 | Honeywell International Inc. | Weather radar beam-sharpening and de-quantization |
| US9182482B2 (en) * | 2011-10-25 | 2015-11-10 | Navico Holding As | Radar beam sharpening system and method |
| CN103323854B (zh) * | 2012-03-22 | 2015-05-20 | 中国科学院电子学研究所 | 多普勒波束锐化成像的方法与装置 |
| US10107895B2 (en) | 2014-09-19 | 2018-10-23 | The Boeing Company | Amplitude calibration of a stepped-chirp signal for a synthetic aperture radar |
| DE102022133858B4 (de) * | 2022-12-19 | 2024-07-11 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Verfahren zur rechnergestützten Verarbeitung von SAR-Rohdaten |
| CN119828142A (zh) * | 2025-03-14 | 2025-04-15 | 杭州电子科技大学 | 一种基于合成孔径雷达的前下视成像图像处理方法及装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4321601A (en) * | 1971-04-23 | 1982-03-23 | United Technologies Corporation | Three dimensional, azimuth-correcting mapping radar |
| US4170006A (en) * | 1971-08-30 | 1979-10-02 | United Technologies Corporation | Radar speed measurement from range determined by focus |
| FR2315703A1 (fr) * | 1975-06-24 | 1977-01-21 | Thomson Csf | Systeme radar a vision laterale |
| US4134113A (en) * | 1977-04-18 | 1979-01-09 | Westinghouse Electric Corporation | Monopulse motion compensation for a synthetic aperture radar |
| US4387373A (en) * | 1977-04-21 | 1983-06-07 | Westinghouse Electric Corp. | Synthetic monopulse radar |
| GB2104753B (en) * | 1981-07-02 | 1985-07-31 | Marconi Co Ltd | Radars |
| US4853699A (en) * | 1987-11-13 | 1989-08-01 | Hughes Aircraft Company | Method for cancelling azimuth ambiguity in a SAR receiver |
-
1989
- 1989-12-21 US US07/454,793 patent/US4978961A/en not_active Expired - Fee Related
-
1990
- 1990-12-14 IL IL9667490A patent/IL96674A/en not_active IP Right Cessation
- 1990-12-20 DE DE69026583T patent/DE69026583T2/de not_active Expired - Fee Related
- 1990-12-20 EP EP90124967A patent/EP0434064B1/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0434064A2 (fr) | 1991-06-26 |
| EP0434064B1 (fr) | 1996-04-17 |
| DE69026583T2 (de) | 1996-12-05 |
| DE69026583D1 (de) | 1996-05-23 |
| US4978961A (en) | 1990-12-18 |
| EP0434064A3 (en) | 1992-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| KB | Patent renewed | ||
| MM9K | Patent not in force due to non-payment of renewal fees |