DK147585C - Enkeltkanalimpulsdopplerradarmodtager med sidesloejfedetekteringskredsloeb - Google Patents

Enkeltkanalimpulsdopplerradarmodtager med sidesloejfedetekteringskredsloeb

Info

Publication number
DK147585C
DK147585C DK97477A DK97477A DK147585C DK 147585 C DK147585 C DK 147585C DK 97477 A DK97477 A DK 97477A DK 97477 A DK97477 A DK 97477A DK 147585 C DK147585 C DK 147585C
Authority
DK
Denmark
Prior art keywords
radder
dopple
impuls
receiver
detection circuit
Prior art date
Application number
DK97477A
Other languages
English (en)
Other versions
DK97477A (da
DK147585B (da
Inventor
Jr David H Mooney
Original Assignee
Westinghouse Electric 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
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of DK97477A publication Critical patent/DK97477A/da
Publication of DK147585B publication Critical patent/DK147585B/da
Application granted granted Critical
Publication of DK147585C publication Critical patent/DK147585C/da

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
    • G01S7/28—Details of pulse systems
    • G01S7/2813—Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
    • 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
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/20—Systems for measuring distance only using transmission of interrupted, pulse modulated waves whereby multiple time-around echoes are used or eliminated
    • 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
    • G01S13/5242—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 with means for platform motion or scan motion compensation, e.g. airborne MTI
    • 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

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)
DK97477A 1976-03-08 1977-03-04 Enkeltkanalimpulsdopplerradarmodtager med sidesloejfedetekteringskredsloeb DK147585C (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US66513876A 1976-03-08 1976-03-08
US66513876 1976-03-08
US05/690,754 US4095222A (en) 1976-03-08 1976-05-27 Post-detection stc in a medium prf pulse doppler radar
US69075476 1976-05-27

Publications (3)

Publication Number Publication Date
DK97477A DK97477A (da) 1977-09-09
DK147585B DK147585B (da) 1984-10-08
DK147585C true DK147585C (da) 1985-07-15

Family

ID=27099134

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97477A DK147585C (da) 1976-03-08 1977-03-04 Enkeltkanalimpulsdopplerradarmodtager med sidesloejfedetekteringskredsloeb

Country Status (5)

Country Link
US (1) US4095222A (da)
BE (1) BE852118A (da)
DK (1) DK147585C (da)
NL (1) NL7702215A (da)
NO (1) NO146689C (da)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4377811A (en) * 1981-01-07 1983-03-22 Westinghouse Electric Corp. Medium PRF pulse doppler radar having simplified ground moving target rejection capabilities
FR2505052A1 (fr) * 1981-04-30 1982-11-05 Thomson Csf Procede et dispositif de reduction de la puissance des signaux de brouillage recus par les lobes secondaires d'une antenne radar
FR2512210A1 (fr) * 1981-08-28 1983-03-04 Thomson Csf Dispositif d'elimination des echos mobiles de ne trace et des echos parasites dans un radar
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
FR2714483B1 (fr) * 1982-01-22 1996-03-29 Thomson Csf Procédé et dispositif de réduction de la puissance des signaux de brouillage reçus par les lobes secondaires d'une antenne de radar à fréquence aléatoire.
FR2629923A1 (fr) * 1982-05-14 1989-10-13 Dassault Electronique Procede et dispositif notamment pour l'amelioration de la selectivite angulaire d'un radar aeroporte utilise en detection de sol
IT1189312B (it) * 1982-07-08 1988-02-04 Selenia Ind Elettroniche Dispositivo per la cancellazione post-detezione di falsi echi radar
FR2746505B1 (fr) * 1983-02-18 1998-06-26 Labo Cent Telecommunicat Procede et dispositif d'elimination des lobes secondaires en distance pour radars doppler a compression d'impulsions
US4490831A (en) * 1983-03-01 1984-12-25 E Systems, Inc. Digital pulse detector circuit having selectable false alarm rate
US4584579A (en) * 1983-11-01 1986-04-22 The United States Of America As Represented By The Secretary Of The Air Force Medium PRF pulse doppler radar processor for dense target environments
US4713664A (en) * 1985-05-24 1987-12-15 Westinghouse Electric Corp. Point clutter threshold determination for radar systems
DE19600779A1 (de) * 1996-01-11 1997-07-17 Daimler Benz Aerospace Ag Verfahren zur Erzeugung einer Clutter-Schwelle und Anordnungen zur Durchführung des Verfahrens
US6646593B1 (en) 2002-01-08 2003-11-11 Science Applications International Corporation Process for mapping multiple-bounce ghosting artifacts from radar imaging data
US7259715B1 (en) 2002-01-08 2007-08-21 Science Applications International Corporation Method for developing and using an image reconstruction algorithm for multipath scattering
US7903600B2 (en) * 2007-07-05 2011-03-08 Mediatek Inc. Control of CDMA signal integration
JP2011145069A (ja) * 2010-01-12 2011-07-28 Furuno Electric Co Ltd 偽像低減装置、レーダ装置、偽像低減方法、および偽像低減プログラム
GB201006503D0 (en) * 2010-04-19 2010-06-02 Cambridge Consultants Radar filter
US9213088B2 (en) * 2011-05-17 2015-12-15 Navico Holding As Radar clutter suppression system
CN103064074B (zh) * 2012-12-23 2014-06-11 西安电子工程研究所 一种脉冲多普勒雷达在强杂波背景下的弱目标检测方法
AU2014320131B2 (en) * 2013-09-13 2019-01-17 Bae Systems Plc Anomalous propagation detection
US10802108B2 (en) 2014-07-31 2020-10-13 Symbol Technologies, Llc Two pass detection technique for non-echo pulsed ranging
US9508248B2 (en) 2014-12-12 2016-11-29 Motorola Solutions, Inc. Method and system for information management for an incident response
US10354350B2 (en) 2016-10-18 2019-07-16 Motorola Solutions, Inc. Method and system for information management for an incident response

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094695A (en) * 1960-03-23 1963-06-18 Sperry Rand Corp Antenna side lobe suppression system
NL270887A (da) * 1960-11-03
US3659290A (en) * 1970-08-03 1972-04-25 Sanders Associates Inc Apparatus for providing sensitivity-time control for radar receivers
US3765020A (en) * 1972-04-14 1973-10-09 Raytheon Co Digitally controlled attenuator
US3955196A (en) * 1972-05-10 1976-05-04 Kabushikikaisha Tokyo Keiki Marine radar transmission and reception system
US3787848A (en) * 1972-08-28 1974-01-22 Hughes Aircraft Co System for discriminating between high and low speed targets
US3831174A (en) * 1973-02-05 1974-08-20 Hughes Aircraft Co Automatic target acquisition in mti radar system
US3860924A (en) * 1973-08-31 1975-01-14 Hughes Aircraft Co Moving target indicator system
US3943511A (en) * 1974-05-31 1976-03-09 Hughes Aircraft Company Spike enable circuit
US3949398A (en) * 1974-12-16 1976-04-06 International Telephone And Telegraph Corporation MTI performance enhancement device with instantaneous automatic gain control

Also Published As

Publication number Publication date
DK97477A (da) 1977-09-09
NO146689C (no) 1982-11-17
BE852118A (fr) 1977-09-05
US4095222A (en) 1978-06-13
NL7702215A (nl) 1977-09-12
NO770784L (no) 1977-09-09
DK147585B (da) 1984-10-08
NO146689B (no) 1982-08-09

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