DE3475111D1 - Fm continuous wave radar and its application to an altimeter - Google Patents

Fm continuous wave radar and its application to an altimeter

Info

Publication number
DE3475111D1
DE3475111D1 DE8484400248T DE3475111T DE3475111D1 DE 3475111 D1 DE3475111 D1 DE 3475111D1 DE 8484400248 T DE8484400248 T DE 8484400248T DE 3475111 T DE3475111 T DE 3475111T DE 3475111 D1 DE3475111 D1 DE 3475111D1
Authority
DE
Germany
Prior art keywords
altimeter
application
continuous wave
wave radar
radar
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
Application number
DE8484400248T
Other languages
English (en)
Inventor
Michel Lazarus
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of DE3475111D1 publication Critical patent/DE3475111D1/de
Expired 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
    • G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G01S7/038—Feedthrough nulling circuits
    • 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
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • G01S13/343—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using sawtooth modulation
    • 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
    • G01S7/35—Details of non-pulse systems
    • G01S7/352—Receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE8484400248T 1983-02-18 1984-02-06 Fm continuous wave radar and its application to an altimeter Expired DE3475111D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8302721A FR2541465B1 (fr) 1983-02-18 1983-02-18 Radar a onde continue modulee en frequence et son application a une sonde altimetrique

Publications (1)

Publication Number Publication Date
DE3475111D1 true DE3475111D1 (en) 1988-12-15

Family

ID=9286074

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484400248T Expired DE3475111D1 (en) 1983-02-18 1984-02-06 Fm continuous wave radar and its application to an altimeter

Country Status (5)

Country Link
US (1) US4682175A (de)
EP (1) EP0118342B1 (de)
JP (1) JPS59157581A (de)
DE (1) DE3475111D1 (de)
FR (1) FR2541465B1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2594959B1 (fr) * 1986-02-24 1988-09-09 Electricite De France Procede et dispositif de mesure optique de la distance et de la vitesse d'une cible
FR2603385B1 (fr) * 1986-08-27 1988-11-10 Trt Telecom Radio Electr Radar a onde continue modulee en frequence pour mesure de distance
US4806935A (en) * 1987-09-17 1989-02-21 Fosket Timothy G Closed loop velocity/altitude sensor for FM-CW doppler radars
FR2625327B1 (fr) * 1987-12-23 1992-04-30 Omera Segid Optique Meca Elect Radar a compression d'impulsions et application a la cartographie ou a la meteorologie
US4891649A (en) * 1988-09-02 1990-01-02 Trw Inc. Noise suppressor for pulsed signal receivers
DE3830992A1 (de) * 1988-09-12 1990-03-22 Messerschmitt Boelkow Blohm Radarhoehenmesser
GB2223908A (en) * 1988-10-14 1990-04-18 Philips Electronic Associated Continuously transmitting and receiving radar
GB2226204A (en) * 1988-12-07 1990-06-20 Philips Electronic Associated Continuously transmitting and receiving radar
US4931799A (en) * 1989-04-24 1990-06-05 Hughes Aircraft Company Short-range radar transceiver employing a FET oscillator
GB8928376D0 (en) * 1989-12-15 1990-05-30 Smiths Industries Plc Microwave distance measuring apparatus
GB2246678A (en) * 1990-07-30 1992-02-05 Philips Electronic Associated Cw radar system.
US5159346A (en) * 1991-06-10 1992-10-27 Alliant Techsystems Inc. Voltage controlled oscillator
US5266957A (en) * 1991-06-10 1993-11-30 Alliant Techsystems Inc. Proximity fuze transceiver
FR2677824B1 (fr) * 1991-06-14 1993-08-20 Thomson Csf Dispositif de controle d'une boucle de phase a changement de frequence.
GB9122313D0 (en) * 1991-10-21 1991-12-04 Philips Electronic Associated Self-oscillating mixer circuits,and fmcw rader
FR2754604B1 (fr) * 1992-06-05 1999-04-09 Thomson Csf Dispositif de linearisation d'une rampe de modulation de frequence et son application a un radio-altimetre
JPH11512180A (ja) * 1995-09-07 1999-10-19 シーメンス アクチエンゲゼルシヤフト 距離測定装置
US6087979A (en) * 1995-09-07 2000-07-11 Siemens Aktiengesellschaft Rangefinder
DE19600059C2 (de) * 1996-01-03 1999-04-15 Daimler Benz Ag Verfahren zur Signalverarbeitung bei einer Kraftfahrzeug-Radaranordnung und Radaranordnung hierfür
US6043758A (en) * 1996-02-12 2000-03-28 Alliedsignal Inc. Terrain warning system
US5719581A (en) * 1996-02-12 1998-02-17 Alliedsignal, Inc. Low-cost radio altimeter
US5867119A (en) * 1997-10-02 1999-02-02 Mcdonnell Douglas Corporation Precision height measuring device
US5969667A (en) * 1997-10-16 1999-10-19 Automotive Systems Laboratory, Inc. Radar system
US6362775B1 (en) 2000-04-25 2002-03-26 Mcdonnell Douglas Corporation Precision all-weather target location system
WO2011102762A1 (en) * 2010-02-17 2011-08-25 Saab Ab Wideband transmitter/receiver arrangement for multifunctional radar and communication
US9297885B2 (en) * 2012-07-27 2016-03-29 Honeywell International Inc. Method of system compensation to reduce the effects of self interference in frequency modulated continuous wave altimeter systems
EP3097607B1 (de) * 2014-01-22 2021-02-24 Evolv Technology, Inc. Strahlformung mit einer passiven apertur mit unterschiedlichen frequenzen
US9715006B2 (en) * 2014-02-05 2017-07-25 Ford Global Technologies, Llc System and method for avoiding DC bias in a homodyne receiver
US10018716B2 (en) 2014-06-26 2018-07-10 Honeywell International Inc. Systems and methods for calibration and optimization of frequency modulated continuous wave radar altimeters using adjustable self-interference cancellation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2147810A (en) * 1937-12-10 1939-02-21 Mackay Radio & Telegraph Compa Method and means for determining distance by means of radiated waves
GB574965A (en) * 1940-09-09 1946-01-29 Dennis Illingworth Lawson Improvements in or relating to apparatus for determining the distance of an object by means of a reflected radio wave
US2453169A (en) * 1943-04-10 1948-11-09 Sperry Corp Radio ground clearance indicator
US2760057A (en) * 1946-01-10 1956-08-21 John D Johannesen Signal duplexing system
US3009150A (en) * 1956-07-23 1961-11-14 Polytechnic Inst Brooklyn System for receiving weak radio signals in the presence of jamming signals
US3735402A (en) * 1971-03-04 1973-05-22 Kimball Prod Comp Inc Portable radar system
JPS527688A (en) * 1975-07-08 1977-01-20 Nec Corp Fm-cw radar
JPS5295996A (en) * 1976-02-09 1977-08-12 Nec Corp Fm-cw radar
US4325138A (en) * 1980-09-29 1982-04-13 Sperry Corporation Continuous wave adaptive signal processor system
JPS59232A (ja) * 1982-06-25 1984-01-05 Nec Corp 空中線共用器

Also Published As

Publication number Publication date
FR2541465A1 (fr) 1984-08-24
US4682175A (en) 1987-07-21
EP0118342A1 (de) 1984-09-12
JPS59157581A (ja) 1984-09-06
EP0118342B1 (de) 1988-11-09
FR2541465B1 (fr) 1985-10-11

Similar Documents

Publication Publication Date Title
DE3475111D1 (en) Fm continuous wave radar and its application to an altimeter
GB2148649B (en) Continuous wave radar with ranging capability
AR243024A1 (es) Disposicion de radar de funcionamiento en dos bandas de frecuencia.
GB2307809B (en) Continous wave radar altimeter
DE3373493D1 (en) Solubilisation and hydrolysis of carbohydrates
IL74892A (en) Radar with rain-echo suppression
GR3021630T3 (en) Pulse radar and components therefor
GB2314715B (en) Continuous wave radar system
EP0150648A3 (en) Millimetre wave frequency multiplier
JPS57180206A (en) Improvement in or relative to radio wave absorptive coating
GB8503974D0 (en) Slotted wave antenna assembly
GB2304249B (en) Continous wave radar altimeter
EP0166392A3 (en) Doppler signal frequency converter
DE3379885D1 (en) Surface-acoustic wave filter and method of producing the filter
EP0179459A3 (en) Surface-acoustic wave filter
GB2315941B (en) Continuous wave radar altimeter
JPS57180207A (en) Improvement in or relative to absorptive coating to reduce reflection of radio wave antenna
EP0156272A3 (en) Millimeter wave circulator
GB8327850D0 (en) Doppler radar systems
GB8726209D0 (en) Frequency modulated continuous wave radar system and its application to the detection of objects
GB2204757B (en) Radars
GB2156164B (en) Variable millimeter wave birefringent filter
GB2151427B (en) Radar clutter filter
GB8301956D0 (en) Improvements in or relating to radar systems
GB8316688D0 (en) Improvements in and relating to radar

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee