FR2703789B1 - - Google Patents
Info
- Publication number
- FR2703789B1 FR2703789B1 FR9404196A FR9404196A FR2703789B1 FR 2703789 B1 FR2703789 B1 FR 2703789B1 FR 9404196 A FR9404196 A FR 9404196A FR 9404196 A FR9404196 A FR 9404196A FR 2703789 B1 FR2703789 B1 FR 2703789B1
- 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 - Fee Related
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
- G01S13/88—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
- G01S13/9004—SAR image acquisition techniques
- G01S13/9011—SAR image acquisition techniques with frequency domain processing of the SAR signals in azimuth
-
- 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
- G01S13/9004—SAR image acquisition techniques
- G01S13/9019—Auto-focussing of the SAR signals
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)
- Signal Processing (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4311754A DE4311754C1 (de) | 1993-04-08 | 1993-04-08 | Verfahren zur Extraktion von Bewegungsfehlern eines ein kohärentes Abbildungsradarsystem mitführenden Trägers aus Radar-Rohdaten und Einrichtung zur Durchführung des Verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2703789A1 FR2703789A1 (fr) | 1994-10-14 |
| FR2703789B1 true FR2703789B1 (cg-RX-API-DMAC10.html) | 1997-02-21 |
Family
ID=6485173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9404196A Granted FR2703789A1 (fr) | 1993-04-08 | 1994-04-08 | Procédé et dispositif d'extraction, d'erreurs de mouvement d'un réacteur sur lequel est monté un système radar cohérent de formation d'image à partir de données brutes du radar . |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5440309A (cg-RX-API-DMAC10.html) |
| DE (1) | DE4311754C1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2703789A1 (cg-RX-API-DMAC10.html) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19610502C2 (de) * | 1996-03-18 | 1998-02-12 | Deutsche Forsch Luft Raumfahrt | Verfahren zum Extrahieren und Korrigieren von Bewegungsfehlern für flugzeuggetragenes Radar mit synthetischer Apertur aus SAR-Rohdaten |
| IL127448A (en) * | 1997-04-09 | 2002-12-01 | Daimler Benz Aerospace Ag | Method for monitoring the earth surface |
| US5854602A (en) * | 1997-04-28 | 1998-12-29 | Erim International, Inc. | Subaperture high-order autofocus using reverse phase |
| US5872535A (en) * | 1997-09-30 | 1999-02-16 | National Oceanic & Atmos Admin | Removing buoy motion from wind profiler moment |
| US6130641A (en) * | 1998-09-04 | 2000-10-10 | Simon Fraser University | Imaging methods and apparatus using model-based array signal processing |
| US7196653B2 (en) * | 2003-05-21 | 2007-03-27 | Astrium Limited | Imaging apparatus and method |
| DE102004059958B4 (de) * | 2004-12-13 | 2007-10-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Bestimmen eines Korrelationswertes |
| US9239383B2 (en) * | 2012-01-10 | 2016-01-19 | Raytheon Company | Wide beam SAR focusing method using navigation solution derived from autofocus data |
| CN110988877B (zh) * | 2019-11-25 | 2022-03-04 | 西安空间无线电技术研究所 | 一种星载高分辨率sar大斜视多普勒去卷绕方法 |
| CN118837885B (zh) * | 2024-09-20 | 2024-11-19 | 南京大学 | 基于多平台sar卫星的库区滑坡长期时空形变监测方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3922428A1 (de) * | 1989-07-07 | 1991-01-17 | Deutsche Forsch Luft Raumfahrt | Verfahren zur extraktion von bewegungsfehlern eines ein kohaerentes abbildungsradarsystem mitfuehrenden traegers aus radar-rohdaten und einrichtung zur durchfuehrung des verfahrens |
| DE3922427C1 (cg-RX-API-DMAC10.html) * | 1989-07-07 | 1991-01-24 | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt Ev, 5300 Bonn, De | |
| DE4124062C1 (cg-RX-API-DMAC10.html) * | 1991-07-19 | 1992-09-03 | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt Ev, 5300 Bonn, De |
-
1993
- 1993-04-08 DE DE4311754A patent/DE4311754C1/de not_active Expired - Fee Related
-
1994
- 1994-04-06 US US08/223,721 patent/US5440309A/en not_active Expired - Fee Related
- 1994-04-08 FR FR9404196A patent/FR2703789A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2703789A1 (fr) | 1994-10-14 |
| US5440309A (en) | 1995-08-08 |
| DE4311754C1 (de) | 1994-06-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |