DE3689037D1 - Radarsystem. - Google Patents

Radarsystem.

Info

Publication number
DE3689037D1
DE3689037D1 DE86309992T DE3689037T DE3689037D1 DE 3689037 D1 DE3689037 D1 DE 3689037D1 DE 86309992 T DE86309992 T DE 86309992T DE 3689037 T DE3689037 T DE 3689037T DE 3689037 D1 DE3689037 D1 DE 3689037D1
Authority
DE
Germany
Prior art keywords
radar system
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 - Lifetime
Application number
DE86309992T
Other languages
English (en)
Inventor
Eiichi Kuichi
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.)
NEC Corp
Original Assignee
NEC Corp
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
Priority claimed from JP28978785A external-priority patent/JPS62148873A/ja
Priority claimed from JP61008590A external-priority patent/JPS62165174A/ja
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3689037D1 publication Critical patent/DE3689037D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
    • G01S13/5246—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi post processors for coherent MTI discriminators, e.g. residue cancellers, CFAR after Doppler filters
DE86309992T 1985-12-23 1986-12-22 Radarsystem. Expired - Lifetime DE3689037D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP28978785A JPS62148873A (ja) 1985-12-23 1985-12-23 レ−ダ装置
JP61008590A JPS62165174A (ja) 1986-01-17 1986-01-17 レ−ダ装置

Publications (1)

Publication Number Publication Date
DE3689037D1 true DE3689037D1 (de) 1993-10-21

Family

ID=26343135

Family Applications (1)

Application Number Title Priority Date Filing Date
DE86309992T Expired - Lifetime DE3689037D1 (de) 1985-12-23 1986-12-22 Radarsystem.

Country Status (3)

Country Link
US (1) US4839655A (de)
EP (1) EP0227457B1 (de)
DE (1) DE3689037D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8800002A (nl) * 1988-01-04 1988-04-05 Hollandse Signaalapparaten Bv Moving target indicatie-eenheid.
FR2628909B1 (fr) * 1988-03-18 1990-07-13 Thomson Csf Procede et dispositifs de translation le long de l'axe des frequences du module de la fonction de transfert d'un filtre
US5140332A (en) * 1989-07-13 1992-08-18 Westinghouse Electric Corp. Short pulse radar system with a long pulse transmitter
GB2274037B (en) * 1992-12-30 1997-07-23 Samsung Electronics Co Ltd Video signal main processor for radar system
US5357256A (en) * 1993-08-17 1994-10-18 Alliedsignal Inc. Radar receiver with adaptive clutter threshold reference
US5416488A (en) * 1993-12-27 1995-05-16 Motorola, Inc. Radar return signal processing method
US6085151A (en) * 1998-01-20 2000-07-04 Automotive Systems Laboratory, Inc. Predictive collision sensing system
IL175465A (en) * 2005-10-19 2013-02-28 Elta Systems Ltd Pulse doppler coherent method and system for snr enhancement
CA2635714C (en) * 2006-11-02 2015-07-21 Raytheon Canada Limited A moving target detector for radar systems
GB2451242A (en) * 2007-07-23 2009-01-28 Thales Holdings Uk Plc Signal processing system for pulse doppler radar
AU2010340813B2 (en) * 2010-01-07 2015-01-15 Bae Systems Plc A method of detecting a clutter return at a sensor
EP2345909A1 (de) * 2010-01-07 2011-07-20 BAE Systems PLC Verfahren zur Detektion eines Störungsechos an einem Sensor
CA2774377C (en) 2012-02-02 2017-05-02 Raytheon Canada Limited Knowledge aided detector
RU2626380C1 (ru) * 2016-10-21 2017-07-26 федеральное государственное автономное образовательное учреждение высшего образования "Южный федеральный университет" Система селекции движущихся целей с измерением дальности, радиальной скорости и направления движения

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3587097A (en) * 1966-12-05 1971-06-22 Westinghouse Electric Corp Signal retrieval system with continuous control of detection threshold level
US3968490A (en) * 1974-05-03 1976-07-06 General Electric Company Radar MTI processor with CFAR
FR2377640A1 (fr) * 1977-01-18 1978-08-11 Thomson Csf Dispositif de stabilisation du taux de fausses alarmes dans un radar et systeme radar comportant un tel dispositif
US4137532A (en) * 1977-04-29 1979-01-30 Westinghouse Electric Corp. VIP doppler filter bank signal processor for pulse doppler radar
JPS55122173A (en) * 1979-03-14 1980-09-19 Nec Corp Noise suppression circuit
US4249177A (en) * 1979-05-03 1981-02-03 The United States Of America As Represented By The Secretary Of The Air Force Target discrimination apparatus
US4488154A (en) * 1980-04-25 1984-12-11 Raytheon Company Radar processor
JPS57165774A (en) * 1981-04-03 1982-10-12 Nec Corp General purpose control device for rate of erroneously issued alarm
US4503432A (en) * 1981-12-17 1985-03-05 The United States Of America As Represented By The Secretary Of The Army Adaptive threshold detection utilizing a tapped charge transfer device delay line
IT1189312B (it) * 1982-07-08 1988-02-04 Selenia Ind Elettroniche Dispositivo per la cancellazione post-detezione di falsi echi radar
IT1168614B (it) * 1983-07-15 1987-05-20 Selenia Ind Elettroniche Elaboratore digitale a mtd per radar di ricerca con banco di filtri doppler e sistema di soglie entrambi selezionabili in dipendenza del disturbo
JPS6024476A (ja) * 1983-07-21 1985-02-07 Nec Corp レ−ダ装置
DE3332634C2 (de) * 1983-09-09 1985-07-25 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Entdeckung bewegter Ziele in Radarempfängern
US4586043A (en) * 1984-03-21 1986-04-29 The United States Of America As Represented By The Secretary Of The Air Force Distribution sensitive constant false alarm rate (CFAR) processor
US4672380A (en) * 1984-10-02 1987-06-09 The United States Of America As Represented By The Secretary Of The Air Force Gain restoration after doppler filtering
US4622556A (en) * 1984-10-02 1986-11-11 The United States Of America As Represented By The Secretary Of The Air Force Technique for rapid determination of probability of detection in pulse doppler radars

Also Published As

Publication number Publication date
EP0227457A2 (de) 1987-07-01
EP0227457A3 (en) 1989-06-14
US4839655A (en) 1989-06-13
EP0227457B1 (de) 1993-09-15

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Legal Events

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8332 No legal effect for de