DE69810406D1 - Verfahren zur feinmodellierung des bodenechos eines radarempfängers - Google Patents
Verfahren zur feinmodellierung des bodenechos eines radarempfängersInfo
- Publication number
- DE69810406D1 DE69810406D1 DE69810406T DE69810406T DE69810406D1 DE 69810406 D1 DE69810406 D1 DE 69810406D1 DE 69810406 T DE69810406 T DE 69810406T DE 69810406 T DE69810406 T DE 69810406T DE 69810406 D1 DE69810406 D1 DE 69810406D1
- Authority
- DE
- Germany
- Prior art keywords
- radar receiver
- fine modeling
- floor echo
- echo
- floor
- 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.)
- Expired - Lifetime
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
- 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
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
-
- 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
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
- G01S7/4082—Means for monitoring or calibrating by simulation of echoes using externally generated reference signals, e.g. via remote reflector or transponder
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9700842A FR2758888B1 (fr) | 1997-01-27 | 1997-01-27 | Procede de modelisation fine du fouillis de sol recu par un radar |
PCT/FR1998/000123 WO1998033074A1 (fr) | 1997-01-27 | 1998-01-23 | Procede de modelisation fine du fouillis de sol reçu par un radar |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69810406D1 true DE69810406D1 (de) | 2003-02-06 |
DE69810406T2 DE69810406T2 (de) | 2003-09-25 |
Family
ID=9503001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69810406T Expired - Lifetime DE69810406T2 (de) | 1997-01-27 | 1998-01-23 | Verfahren zur feinmodellierung des bodenechos eines radarempfängers |
Country Status (5)
Country | Link |
---|---|
US (1) | US6130639A (de) |
EP (1) | EP0901640B1 (de) |
DE (1) | DE69810406T2 (de) |
FR (1) | FR2758888B1 (de) |
WO (1) | WO1998033074A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0017989D0 (en) * | 2000-07-24 | 2001-08-08 | Secr Defence | Target recognition system |
US7639842B2 (en) | 2002-05-03 | 2009-12-29 | Imagetree Corp. | Remote sensing and probabilistic sampling based forest inventory method |
US7212670B1 (en) | 2002-05-03 | 2007-05-01 | Imagetree Corp. | Method of feature identification and analysis |
US7822266B2 (en) * | 2006-06-02 | 2010-10-26 | Carnegie Mellon University | System and method for generating a terrain model for autonomous navigation in vegetation |
US7796082B2 (en) * | 2007-02-08 | 2010-09-14 | Raytheon Company | Methods and apparatus for log-FTC radar receivers having enhanced sea clutter model |
FR2940466B1 (fr) * | 2008-12-19 | 2012-04-20 | Thales Sa | Procede pour filtrer les echos radars produits par des eoliennes |
WO2011037939A1 (en) * | 2009-09-22 | 2011-03-31 | Jesse Caulfield | Method, system, and computer-readable medium for improved prediction of spectrum occupancy and estimation of radio signal field strength |
US8174435B2 (en) * | 2010-06-01 | 2012-05-08 | Raytheon Company | Methods and apparatus for non-isotropic sea clutter modeling |
US9129523B2 (en) * | 2013-05-22 | 2015-09-08 | Jaybridge Robotics, Inc. | Method and system for obstacle detection for vehicles using planar sensor data |
US8456350B2 (en) | 2010-12-17 | 2013-06-04 | Raytheon Company | Methods and apparatus for sea state measurement via radar sea clutter eccentricity |
US8456352B2 (en) | 2010-12-17 | 2013-06-04 | Raytheon Company | Methods and apparatus for automatic STC from sea state measurement via radar sea clutter eccentricity |
CN103267986B (zh) * | 2013-04-18 | 2015-03-04 | 天津大学 | 一种用于气象学中寻找三体散射的方法 |
Family Cites Families (49)
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FR2038785A5 (de) * | 1969-03-28 | 1971-01-08 | Thomson Csf | |
FR2040193A1 (de) * | 1969-04-18 | 1971-01-22 | Thomson Csf | |
FR2133169A5 (de) * | 1971-04-09 | 1972-11-24 | Thomson Csf | |
US4321601A (en) * | 1971-04-23 | 1982-03-23 | United Technologies Corporation | Three dimensional, azimuth-correcting mapping radar |
FR2160759B1 (de) * | 1971-11-26 | 1974-05-31 | Thomson Csf | |
NO141283L (de) * | 1973-07-03 | 1900-01-01 | ||
FR2268355B1 (de) * | 1974-04-16 | 1978-01-20 | Thomson Csf | |
FR2328286A1 (fr) * | 1975-10-14 | 1977-05-13 | Thomson Csf | Procede de fabrication de dispositifs a semiconducteurs, presentant une tres faible resistance thermique, et dispositifs obtenus par ledit procede |
FR2335046A1 (fr) * | 1975-12-12 | 1977-07-08 | Thomson Csf | Procede collectif de fabrication de dispositifs semi-conducteurs a jonction et dispositifs obtenus par ce procede |
FR2344126A1 (fr) * | 1976-03-11 | 1977-10-07 | Thomson Csf | Procede de fabrication de dispositifs a semi-conducteurs presentant une faible resistance thermique et dispositifs obtenus par ledit procede |
FR2387517A1 (fr) * | 1977-04-13 | 1978-11-10 | Thomson Csf | Systeme d'encapsulation etanche d'un dispositif optoelectronique emetteur ou recepteur a transmission par fibre optique |
FR2448727A1 (fr) * | 1979-02-08 | 1980-09-05 | Thomson Csf | Tete de couplage opto-electronique |
FR2458825A1 (fr) * | 1979-06-08 | 1981-01-02 | Thomson Csf | Procede de montage d'une fibre optique dans un embout, embout ainsi monte, et dispositif de connexion de fibres optiques utilisant cet embout |
FR2466866A1 (fr) * | 1979-10-05 | 1981-04-10 | Thomson Csf | Procede de couplage entre une fibre optique et une diode opto-electronique, et tete d'emission ou de reception realisee par ce procede |
FR2488444A1 (fr) * | 1980-08-08 | 1982-02-12 | Thomson Csf | Dispositif semi-conducteur utilisable en tres haute frequence et son procede de fabrication |
FR2492542A1 (fr) * | 1980-09-23 | 1982-04-23 | Thomson Csf | Procede d'alignement d'une fibre de verre faisant partie d'un cable de transmission optique avec un composant opto-electronique, adaptateur, et tete de couplage comportant l'utilisation du procede |
FR2532109A1 (fr) * | 1982-08-20 | 1984-02-24 | Thomson Csf | Tube a onde progressive comportant des moyens de suppression des oscillations parasites |
FR2536211B1 (fr) * | 1982-11-16 | 1986-02-07 | Thomson Csf | Structure de diode hyperfrequences dont les connexions exterieures sont prises par deux poutres metalliques |
FR2536867B1 (fr) * | 1982-11-30 | 1986-02-07 | Thomson Csf | Procede d'alignement d'un dispositif optoelectronique |
FR2538171B1 (fr) * | 1982-12-21 | 1986-02-28 | Thomson Csf | Diode electroluminescente a emission de surface |
FR2552935B1 (fr) * | 1983-09-30 | 1986-03-21 | Thomson Csf | Perfectionnement aux commutateurs d'ondes electromagnetiques millimetriques |
FR2553583B1 (fr) * | 1983-10-14 | 1986-03-21 | Thomson Csf | Limiteur de puissance elevee a diodes pin pour ondes millimetriques et procede de realisation des diodes |
FR2556135B1 (fr) * | 1983-12-02 | 1986-09-19 | Thomson Csf | Photo-diode a l'antimoniure d'indium et procede de fabrication |
FR2557371B1 (fr) * | 1983-12-27 | 1987-01-16 | Thomson Csf | Dispositif photosensible comportant entre les detecteurs des zones opaques au rayonnement a detecter, et procede de fabrication |
FR2561444B1 (fr) * | 1984-03-16 | 1986-09-19 | Thomson Csf | Dispositif semi-conducteur hyperfrequence a connexions externes prises au moyen de poutres |
US4695959A (en) * | 1984-04-06 | 1987-09-22 | Honeywell Inc. | Passive range measurement apparatus and method |
US4635203A (en) * | 1984-04-06 | 1987-01-06 | Honeywell Inc. | Passive range measurement apparatus and method |
US4625209A (en) * | 1984-06-26 | 1986-11-25 | The United States Of America As Represented By The Secretary Of The Air Force | Clutter generator for use in radar evaluation |
FR2629634B1 (fr) * | 1984-12-18 | 1990-10-12 | Thomson Csf | Tube a onde progressive comportant une ligne a retard du type en helice fixee a un fourreau par l'intermediaire de support dielectriques en nitrure de bore |
FR2591033B1 (fr) * | 1985-11-29 | 1988-01-08 | Thomson Csf | Photocathode a rendement eleve |
FR2591032B1 (fr) * | 1985-11-29 | 1988-01-08 | Thomson Csf | Photocathode a faible courant d'obscurite |
FR2592217B1 (fr) * | 1985-12-20 | 1988-02-05 | Thomson Csf | Photocathode a amplification interne |
FR2597662B1 (fr) * | 1986-04-22 | 1988-06-17 | Thomson Csf | Photodiode pin realisee a partir de semi-conducteur amorphe |
FR2618801B1 (fr) * | 1987-07-31 | 1989-12-01 | Thomson Csf | Film polymere composite conducteur et son procede de fabrication |
FR2623019B1 (fr) * | 1987-11-10 | 1990-05-11 | Thomson Csf | Dispositif de prise d'image radiologique |
FR2630257A1 (fr) * | 1988-04-19 | 1989-10-20 | Thomson Csf | Tube a onde progressive comportant un dispositif de couplage entre sa ligne a retard et des circuits hyperfrequences externes |
FR2631132B1 (fr) * | 1988-05-03 | 1991-09-20 | Thomson Csf | Detecteur d'images radiologiques |
FR2634319B1 (fr) * | 1988-07-13 | 1990-09-07 | Europ Composants Electron | Procede de soudure des fils de connexions exterieures sur un composant electronique |
FR2638893B1 (fr) * | 1988-11-10 | 1990-12-14 | Thomson Tubes Electroniques | Substrat electriquement isolant |
FR2646285A1 (fr) * | 1989-04-21 | 1990-10-26 | Thomson Tubes Electroniques | Tube a ondes progressives muni d'une ligne a retard a helice brasee |
FR2647953B1 (fr) * | 1989-05-30 | 1991-08-16 | Thomson Tubes Electroniques | Mode de construction d'une ligne a retard a helice et tubes a ondes progressives utilisant ce mode de construction |
US5053778A (en) * | 1989-08-10 | 1991-10-01 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Generation of topographic terrain models utilizing synthetic aperture radar and surface level data |
US5179638A (en) * | 1990-04-26 | 1993-01-12 | Honeywell Inc. | Method and apparatus for generating a texture mapped perspective view |
EP0587808A4 (de) * | 1991-06-05 | 1995-07-05 | Commw Of Australia | Radarrückkehrsignal-simulator. |
FR2678762B1 (fr) * | 1991-07-02 | 1993-09-17 | Thomson Csf | Materiaux conducteurs a base de polymere conducteur encapsule. |
US5550937A (en) * | 1992-11-23 | 1996-08-27 | Harris Corporation | Mechanism for registering digital images obtained from multiple sensors having diverse image collection geometries |
US5355442A (en) * | 1992-12-16 | 1994-10-11 | Loral Aerospace Corp. | Terrain visualization by ray tracing a conical height field transformation |
US5781146A (en) * | 1996-03-11 | 1998-07-14 | Imaging Accessories, Inc. | Automatic horizontal and vertical scanning radar with terrain display |
US5886662A (en) * | 1997-06-18 | 1999-03-23 | Zai Amelex | Method and apparatus for remote measurement of terrestrial biomass |
-
1997
- 1997-01-27 FR FR9700842A patent/FR2758888B1/fr not_active Expired - Fee Related
-
1998
- 1998-01-23 EP EP98904208A patent/EP0901640B1/de not_active Expired - Lifetime
- 1998-01-23 US US09/155,411 patent/US6130639A/en not_active Expired - Fee Related
- 1998-01-23 WO PCT/FR1998/000123 patent/WO1998033074A1/fr active IP Right Grant
- 1998-01-23 DE DE69810406T patent/DE69810406T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6130639A (en) | 2000-10-10 |
FR2758888A1 (fr) | 1998-07-31 |
DE69810406T2 (de) | 2003-09-25 |
EP0901640B1 (de) | 2003-01-02 |
FR2758888B1 (fr) | 1999-04-23 |
WO1998033074A1 (fr) | 1998-07-30 |
EP0901640A1 (de) | 1999-03-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |