ZA945844B - Radar apparatus - Google Patents

Radar apparatus

Info

Publication number
ZA945844B
ZA945844B ZA945844A ZA945844A ZA945844B ZA 945844 B ZA945844 B ZA 945844B ZA 945844 A ZA945844 A ZA 945844A ZA 945844 A ZA945844 A ZA 945844A ZA 945844 B ZA945844 B ZA 945844B
Authority
ZA
South Africa
Prior art keywords
radar apparatus
radar
Prior art date
Application number
ZA945844A
Other languages
English (en)
Inventor
Bernard Gellekink
Original Assignee
Hollandse Signaalapparaten Bv
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 Hollandse Signaalapparaten Bv filed Critical Hollandse Signaalapparaten Bv
Publication of ZA945844B publication Critical patent/ZA945844B/xx

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
    • G01S13/5244—Adaptive clutter cancellation
    • 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
    • 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
    • G01S13/24—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of carrier wave
    • 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
    • G01S13/53—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 performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar
    • 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
    • G01S2013/0236—Special technical features
    • G01S2013/0245—Radar with phased array antenna
    • G01S2013/0254—Active array antenna

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)
  • Seeds, Soups, And Other Foods (AREA)
ZA945844A 1993-09-08 1994-08-04 Radar apparatus ZA945844B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9301552A NL9301552A (nl) 1993-09-08 1993-09-08 Radarapparaat.

Publications (1)

Publication Number Publication Date
ZA945844B true ZA945844B (en) 1995-12-13

Family

ID=19862853

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA945844A ZA945844B (en) 1993-09-08 1994-08-04 Radar apparatus

Country Status (13)

Country Link
US (1) US5708437A (ko)
EP (1) EP0717853B1 (ko)
JP (1) JP3160292B2 (ko)
KR (1) KR100329449B1 (ko)
CN (1) CN1063268C (ko)
AU (1) AU683689B2 (ko)
BR (1) BR9407435A (ko)
CA (1) CA2170646C (ko)
DE (1) DE69407303T2 (ko)
NL (1) NL9301552A (ko)
TR (1) TR27816A (ko)
WO (1) WO1995007472A1 (ko)
ZA (1) ZA945844B (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001288273A1 (en) 2000-08-16 2002-02-25 Raytheon Company Video amplifier for a radar receiver
DE10124865C1 (de) * 2001-05-22 2003-03-27 Eads Deutschland Gmbh Verfahren zur Schätzung der Dopplerfrequenzposition des Hauptkeulenclutters bei mehrkanaligen Pulsdopplerradarsystemen
US6433730B1 (en) * 2001-06-07 2002-08-13 The United States Of America As Represented By The Secretary Of The Navy Noise riding threshold control with immunity to signals with high pulse repetition frequencies and high duty cycles
US6859161B1 (en) 2003-09-09 2005-02-22 Lockheed Martin Corporation System for time thresholding
CN100392426C (zh) * 2005-10-20 2008-06-04 武汉大学 单通道相控阵接收信号重构及处理方法
GB2444989A (en) * 2006-12-22 2008-06-25 Plextek Ltd Electronically steered radar system for detecting and monitoring slow moving ground based targets
RU2536638C1 (ru) * 2013-07-15 2014-12-27 Андрей Владимирович Симонов Способ обнаружения хаотической последовательности импульсов
CN106338728B (zh) * 2016-10-20 2018-08-17 加特兰微电子科技(上海)有限公司 雷达系统及其控制方法

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1605245A (en) * 1973-07-24 1986-01-22 Marconi Co Ltd Phase-lock loop systems
US4271412A (en) * 1979-10-15 1981-06-02 Raytheon Company Range tracker utilizing spectral analysis
IT1146164B (it) * 1980-07-16 1986-11-12 Selenia Ind Elettroniche Dispositivo di filtraggio doppler adattivo alla situazione di clutter ed ecm esterna per impianti radar
US5225839A (en) * 1980-12-29 1993-07-06 Okurowski Frank A All weather tactical strike system (AWTSS) and method of operation
NL8101111A (nl) * 1981-03-09 1982-10-01 Hollandse Signaalapparaten Bv Impulsradarapparaat.
US4450446A (en) * 1981-05-29 1984-05-22 Westinghouse Electric Corp. Method and system for tracking targets in a pulse doppler radar system
NL8103178A (nl) * 1981-07-02 1983-02-01 Hollandse Signaalapparaten Bv Zoekradarapparaat.
FR2517069A1 (fr) * 1981-11-24 1983-05-27 Lmt Radio Professionelle Radar doppler de surveillance terrestre
US4622555A (en) * 1982-09-02 1986-11-11 Motorola, Inc. Coded pulse Doppler radar with clutter-adaptive modulation and method therefore
NL8300178A (nl) * 1983-01-18 1984-08-16 Hollandse Signaalapparaten Bv Pulsradarapparaat.
US4600925A (en) * 1983-04-01 1986-07-15 Rockwell International Corporation Vector phase angle change distribution processor
US5231402A (en) * 1985-04-02 1993-07-27 Telefunken Systemtechnik Gmbh Method for detecting and classifying helicopters
DE3540717A1 (de) * 1985-11-16 1987-05-21 Licentia Gmbh Verfahren zur entfernungsmessung bei einem pulsradar hoher pulsfolgefrequenz
US4873718A (en) * 1987-07-16 1989-10-10 Octel Communications Corp. Feature telephone integration device
NL8800002A (nl) * 1988-01-04 1988-04-05 Hollandse Signaalapparaten Bv Moving target indicatie-eenheid.
NL8801757A (nl) * 1988-07-12 1990-02-01 Hollandse Signaalapparaten Bv Doeldetektor.
JPH03180792A (ja) * 1989-12-11 1991-08-06 Fujitsu Ltd レーダ信号処理方式
JP2750191B2 (ja) * 1990-02-27 1998-05-13 富士通株式会社 レーダ信号処理方式
US5027122A (en) * 1990-03-12 1991-06-25 Raytheon Company Method and apparatus for doppler velocity de-aliasing
IL96129A0 (en) * 1990-07-20 1991-07-18 Spectronix Ltd Method and apparatus for detecting a fire,explosion,or projectile-penetration in a monitored space
US5077558A (en) * 1990-12-14 1991-12-31 Allied-Signal Inc. Airborne wind shear detection weather radar
US5164731A (en) * 1991-06-13 1992-11-17 Westinghouse Electric Corp. Turbulence radar system
US5157403A (en) * 1991-10-04 1992-10-20 General Electric Co. Noise correction in radars for diffuse targets
NL9102125A (nl) * 1991-12-19 1993-07-16 Hollandse Signaalapparaten Bv Radarapparaat voorzien van een coherente cluttermap.
US5523759A (en) * 1992-04-14 1996-06-04 Honeywell Inc. In flight doppler weather radar wind shear detection system
US5233354A (en) * 1992-11-13 1993-08-03 The United States Of America As Represented By The Secretary Of The Navy Radar target discrimination by spectrum analysis
US5594450A (en) * 1995-06-07 1997-01-14 Schober; Michael B. Radar system and method for detecting targets clutter using target intensity and angular position

Also Published As

Publication number Publication date
DE69407303T2 (de) 1998-06-25
KR960704238A (ko) 1996-08-31
AU7692994A (en) 1995-03-27
CA2170646C (en) 2005-06-21
WO1995007472A1 (en) 1995-03-16
CN1063268C (zh) 2001-03-14
JP3160292B2 (ja) 2001-04-25
JPH09502271A (ja) 1997-03-04
TR27816A (tr) 1995-08-29
CN1130946A (zh) 1996-09-11
KR100329449B1 (ko) 2002-08-08
NL9301552A (nl) 1995-04-03
US5708437A (en) 1998-01-13
AU683689B2 (en) 1997-11-20
DE69407303D1 (de) 1998-01-22
EP0717853B1 (en) 1997-12-10
BR9407435A (pt) 1996-04-09
CA2170646A1 (en) 1995-03-16
EP0717853A1 (en) 1996-06-26

Similar Documents

Publication Publication Date Title
GB2283631B (en) Radar apparatus
GB9309368D0 (en) Antenna apparatus
TW318552U (en) Refrigeraton apparatus
AU7779694A (en) Antenna apparatus
GB9023909D0 (en) Radar apparatus
IL110001A0 (en) Radar system
GB2284673B (en) Pile-testing apparatus
GB2251774B (en) Radar apparatus
AU2068292A (en) Radar apparatus
AU5519494A (en) Radar apparatus
GB2278513B (en) Tracking apparatus
ZA945844B (en) Radar apparatus
PL309780A1 (en) Radar apparatus
GB9513936D0 (en) Radar apparatus
IL114146A0 (en) Radar apparatus
GB9314045D0 (en) Fallarrest apparatus
GB2303266B (en) Radar apparatus
GB2278344B (en) Document-reading apparatus
AU3831393A (en) Radar apparatus
GB2276792B (en) Special effects apparatus
GB2274070B (en) Construction apparatus
GB9321534D0 (en) Apparatus
GB2506091B (en) Radar
GB2281532B (en) Forming apparatus
GB9714446D0 (en) Apparatus