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DE69704281D1 - Radarsysteme - Google Patents

Radarsysteme

Info

Publication number
DE69704281D1
DE69704281D1 DE69704281T DE69704281T DE69704281D1 DE 69704281 D1 DE69704281 D1 DE 69704281D1 DE 69704281 T DE69704281 T DE 69704281T DE 69704281 T DE69704281 T DE 69704281T DE 69704281 D1 DE69704281 D1 DE 69704281D1
Authority
DE
Germany
Prior art keywords
signal
bandwidth
divided
coupler
intermediate frequency
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 - Fee Related
Application number
DE69704281T
Other languages
English (en)
Other versions
DE69704281T2 (de
Inventor
Peter Donald Fraser Tait
Adrian Peter Kyte
Peter James Steward
David John Shephard
Timothy Edward Ffrench
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.)
Leonardo UK Ltd
Original Assignee
BAE Systems Electronics 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 BAE Systems Electronics Ltd filed Critical BAE Systems Electronics Ltd
Application granted granted Critical
Publication of DE69704281D1 publication Critical patent/DE69704281D1/de
Publication of DE69704281T2 publication Critical patent/DE69704281T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S7/28—Details of pulse systems
    • G01S7/282—Transmitters
    • 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
    • G01S13/0209—Systems with very large relative bandwidth, i.e. larger than 10 %, e.g. baseband, pulse, carrier-free, ultrawideband
    • 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
    • G01S13/18—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein range gates are used
    • 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
    • G01S13/66—Radar-tracking systems; Analogous systems
    • 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/885—Radar or analogous systems specially adapted for specific applications for ground probing
    • 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • 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
    • G01S7/285—Receivers
    • G01S7/288—Coherent receivers
    • G01S7/2886—Coherent receivers using I/Q processing

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)
DE69704281T 1996-09-27 1997-09-18 Radarsysteme Expired - Fee Related DE69704281T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9620192A GB2317769B (en) 1996-09-27 1996-09-27 Radar systems
PCT/GB1997/002513 WO1998013704A1 (en) 1996-09-27 1997-09-18 Radar systems

Publications (2)

Publication Number Publication Date
DE69704281D1 true DE69704281D1 (de) 2001-04-19
DE69704281T2 DE69704281T2 (de) 2001-07-12

Family

ID=10800603

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69704281T Expired - Fee Related DE69704281T2 (de) 1996-09-27 1997-09-18 Radarsysteme

Country Status (8)

Country Link
US (1) US6683561B1 (de)
EP (1) EP0928427B1 (de)
AT (1) ATE199784T1 (de)
AU (1) AU4308597A (de)
DE (1) DE69704281T2 (de)
DK (1) DK0928427T3 (de)
GB (1) GB2317769B (de)
WO (1) WO1998013704A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000022455A1 (en) * 1998-10-12 2000-04-20 Marconi Electronic Systems Limited System for detection of objects in the ground
JP3977591B2 (ja) * 2000-04-27 2007-09-19 株式会社東芝 周波数逓倍回路および半導体集積回路
GB2363267B (en) * 2000-06-07 2002-08-07 Motorola Israel Ltd Circuit and method for signal phase control in a radio transceiver
US7411009B1 (en) 2002-05-31 2008-08-12 Henkel Corporation Cure accelerators for anaerobic curable compositions
JP4204358B2 (ja) * 2003-03-20 2009-01-07 富士通テン株式会社 送受信共用ｆｍ−ｃｗレーダ装置及びその信号処理方法
US7050000B2 (en) * 2003-08-19 2006-05-23 Northrop Grumman Corporation Radar based application programmable waveform generator component
JP3973036B2 (ja) * 2003-10-09 2007-09-05 富士通株式会社 パルスレーダ装置
US20070152874A1 (en) * 2005-12-30 2007-07-05 Woodington Walter G Reducing undesirable coupling of signal(s) between two or more signal paths in a radar system
DE102006039517A1 (de) * 2006-08-23 2008-03-06 Siemens Ag Verfahren zum Betreiben eines Radarsystems und Radarsystem
US8358240B2 (en) * 2007-07-13 2013-01-22 Raytheon Company Generating a time deterministic, spectrally noncoherent signal
CN102998672B (zh) * 2012-11-27 2014-07-09 西安电子科技大学 基于相干化处理的步进频率isar成像方法
US9658319B2 (en) 2013-03-15 2017-05-23 Valentine Research, Inc. High probability of intercept radar detector
US10514441B2 (en) * 2013-03-15 2019-12-24 Valentine Research, Inc. High probability of intercept radar detector
CN104820210B (zh) * 2015-04-16 2018-06-05 深圳大学 频率干扰下的自适应距离估算方法及系统
CN106226741B (zh) * 2016-07-12 2018-03-02 华讯方舟科技有限公司 利用tr组件获得中频可控信号的方法和系统
DE102017123185A1 (de) * 2017-10-05 2019-04-11 Krohne S. A. S. Verfahren und Füllstandmessgerät zur Bestimmung des Füllstandes eines Mediums mittels Dauerstrich-Radarmessung
DE102017221257A1 (de) * 2017-11-28 2019-05-29 Audi Ag Radarsystem und Verfahren zum Betreiben eines Radarsystems
CN108761487B (zh) * 2018-07-13 2024-02-23 中国电子科技集团公司第二十六研究所 一种大带宽激光测风雷达系统
HRP20241655T1 (hr) * 2019-02-28 2025-02-14 A-Elektronik D.O.O. Posatupak za suzbijanje šuma i povećanje brzine u minijaturiziranim detektorima radio frekvencijskih signala

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1245462A (en) * 1968-02-13 1971-09-08 Plessey Co Ltd Improvements relating to frequency spectrum generators
US4023166A (en) * 1975-06-23 1977-05-10 Raytheon Company High power low loss nonresonant filter system
US4593287A (en) * 1982-09-30 1986-06-03 The Boeing Company FM/CW sweep linearizer and method therefor
GB2243039B (en) * 1988-11-07 1993-08-04 Marconi Gec Ltd Radar system
US4983978A (en) * 1989-03-21 1991-01-08 United Technologies Corporation Multi-frequency comb generator for radar and the like
US5077546A (en) * 1990-11-07 1991-12-31 General Electric Company Low phase noise frequency multiplier
US5151661A (en) * 1991-08-26 1992-09-29 Westinghouse Electric Corp. Direct digital FM waveform generator for radar systems
DE4334079C2 (de) * 1993-10-06 1997-02-13 Daimler Benz Aerospace Ag Hochgenauer Radar-Entfernungsmesser
JP2752903B2 (ja) * 1994-06-06 1998-05-18 福島日本電気株式会社 周波数逓倍器

Also Published As

Publication number Publication date
EP0928427A1 (de) 1999-07-14
AU4308597A (en) 1998-04-17
GB2317769A (en) 1998-04-01
EP0928427B1 (de) 2001-03-14
WO1998013704A1 (en) 1998-04-02
ATE199784T1 (de) 2001-03-15
GB9620192D0 (en) 1997-03-12
DE69704281T2 (de) 2001-07-12
US6683561B1 (en) 2004-01-27
DK0928427T3 (da) 2001-04-17
GB2317769B (en) 2000-10-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
8327 Change in the person/name/address of the patent owner

Owner name: SELEX SENSORS AND AIRBORNE SYSTEMS LTD., BASILDON,