FR2489965A1 - Appareil radar - Google Patents

Appareil radar Download PDF

Info

Publication number
FR2489965A1
FR2489965A1 FR8116831A FR8116831A FR2489965A1 FR 2489965 A1 FR2489965 A1 FR 2489965A1 FR 8116831 A FR8116831 A FR 8116831A FR 8116831 A FR8116831 A FR 8116831A FR 2489965 A1 FR2489965 A1 FR 2489965A1
Authority
FR
France
Prior art keywords
signal
signals
ellipticity
components
value
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.)
Granted
Application number
FR8116831A
Other languages
English (en)
French (fr)
Other versions
FR2489965B1 (Direct
Inventor
Sydney Clifford Woolcock
Malcolm William Plaster
Gerald Normal Jepps
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EMI Ltd
Original Assignee
EMI Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by EMI Ltd filed Critical EMI Ltd
Publication of FR2489965A1 publication Critical patent/FR2489965A1/fr
Application granted granted Critical
Publication of FR2489965B1 publication Critical patent/FR2489965B1/fr
Granted legal-status Critical Current

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
    • G01S7/024—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects
    • G01S7/025—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects involving the transmission of linearly polarised waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR8116831A 1980-09-05 1981-09-04 Appareil radar Granted FR2489965A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8028822 1980-09-05

Publications (2)

Publication Number Publication Date
FR2489965A1 true FR2489965A1 (fr) 1982-03-12
FR2489965B1 FR2489965B1 (Direct) 1985-01-11

Family

ID=10515895

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8116831A Granted FR2489965A1 (fr) 1980-09-05 1981-09-04 Appareil radar

Country Status (2)

Country Link
DE (1) DE3135306A1 (Direct)
FR (1) FR2489965A1 (Direct)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0703464A3 (de) * 1994-09-22 1997-08-13 Daimler Benz Ag Polarimetrisches Radarverfahren und polarimetrische Radaranordnung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3566403A (en) * 1949-03-08 1971-02-23 Raytheon Co Polarized radar detection system
US4005425A (en) * 1975-11-14 1977-01-25 General Motors Corporation Dual quadrature polarization radar system
GB1506989A (en) * 1975-10-24 1978-04-12 Int Standard Electric Corp Rain echo elimination device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2991471A (en) * 1958-10-24 1961-07-04 Raytheon Co Transmitting and receiving circuits for wave transmission systems
US4107678A (en) * 1976-09-28 1978-08-15 Westinghouse Electric Corp. Polarization correlation target seeker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3566403A (en) * 1949-03-08 1971-02-23 Raytheon Co Polarized radar detection system
GB1506989A (en) * 1975-10-24 1978-04-12 Int Standard Electric Corp Rain echo elimination device
US4005425A (en) * 1975-11-14 1977-01-25 General Motors Corporation Dual quadrature polarization radar system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0703464A3 (de) * 1994-09-22 1997-08-13 Daimler Benz Ag Polarimetrisches Radarverfahren und polarimetrische Radaranordnung

Also Published As

Publication number Publication date
FR2489965B1 (Direct) 1985-01-11
DE3135306A1 (de) 1982-05-06

Similar Documents

Publication Publication Date Title
Cooper et al. THz imaging radar for standoff personnel screening
US11567351B2 (en) Methods for computation-free wideband spectral correlation and analysis
KR102214061B1 (ko) 도플러 효과를 조정하기 위한 라이다(lidar) 시스템
Ma et al. Passive GNSS-based SAR resolution improvement using joint Galileo E5 signals
US5889490A (en) Method and apparatus for improved ranging
US8138969B2 (en) Monobit based low cost high performance radar warning receiver
FR2460490A1 (fr) Radar rayonnant des signaux polarises
FR2731853A1 (fr) Procede et dispositif de demodulation par echantillonnage, notamment pour systeme d'alarme de vehicule automobile
FR2950147A1 (fr) Radar a agilite de faisceau, notamment pour la fonction de detection et d'evitement d'obstacles
FR2619928A1 (fr) Dispositifs radars perfectionnes
CN114814856B (zh) 一种基于外差检测的激光雷达系统
EP3726243B1 (fr) Procédé de confusion de la signature électronique émise par un radar, et dispositif d'émission/réception adapté pour sa mise en oeuvre
FR2489965A1 (fr) Appareil radar
US4017855A (en) Spin echo matched filter ECM detector
GB2083725A (en) Radar apparatus
FR2757640A1 (fr) Systeme optique de mesure de vitesse et/ou de distance d'objet
O'Meara Applications of nonlinear phase conjugation in compensated active imaging
US20250189621A1 (en) Phase noise removal
EP1522871B1 (fr) Radar à formation de voies d'écartométrie synthétiques
Cooper et al. Impact of frequency and polarization diversity on a terahertz radar's imaging performance
JP2003139853A (ja) 合成開口レーダ装置
CN121208777A (zh) 一种单脉冲量子激光雷达装置及实现方法
FR2604843A1 (fr) Dispositif de reception d'emissions de radio, de television ou d'echos radar
FR2662262A1 (fr) Procede de mesure coherente de la matrice de retrodiffusion polarimetrique d'une cible radar.
WO2023152884A1 (ja) 画像生成装置及びシステム

Legal Events

Date Code Title Description
ST Notification of lapse