ZA200304397B - Irregular PRT deconvolution method and systems, and its uses. - Google Patents

Irregular PRT deconvolution method and systems, and its uses.

Info

Publication number
ZA200304397B
ZA200304397B ZA200304397A ZA200304397A ZA200304397B ZA 200304397 B ZA200304397 B ZA 200304397B ZA 200304397 A ZA200304397 A ZA 200304397A ZA 200304397 A ZA200304397 A ZA 200304397A ZA 200304397 B ZA200304397 B ZA 200304397B
Authority
ZA
South Africa
Prior art keywords
clutter
spectra
irregular
dft
deconvolution
Prior art date
Application number
ZA200304397A
Other languages
English (en)
Inventor
Radmila Erkocevic-Pribic
Original Assignee
Thales Nederland 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 Thales Nederland Bv filed Critical Thales Nederland Bv
Publication of ZA200304397B publication Critical patent/ZA200304397B/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
    • 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
    • G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
    • G01S7/414—Discriminating targets with respect to background clutter
    • 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
    • G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
    • G01S13/225—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency with cyclic repetition of a non-uniform pulse sequence, e.g. staggered PRF
    • 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
    • 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

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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Saccharide Compounds (AREA)
  • Detergent Compositions (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
ZA200304397A 2002-06-05 2003-06-05 Irregular PRT deconvolution method and systems, and its uses. ZA200304397B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1020763A NL1020763C2 (nl) 2002-06-05 2002-06-05 Werkwijze en -systeem voor het deconvolueren van een met een onregelmatige PRT bemonsterd signaal, en de toepassingsmogelijkheden ervan.

Publications (1)

Publication Number Publication Date
ZA200304397B true ZA200304397B (en) 2004-02-13

Family

ID=29546434

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200304397A ZA200304397B (en) 2002-06-05 2003-06-05 Irregular PRT deconvolution method and systems, and its uses.

Country Status (11)

Country Link
US (1) US6803876B2 (he)
EP (1) EP1369703B1 (he)
JP (1) JP2004037457A (he)
KR (1) KR100966060B1 (he)
AT (1) ATE458204T1 (he)
CA (1) CA2431094C (he)
DE (1) DE60331277D1 (he)
ES (1) ES2340672T3 (he)
IL (1) IL156293A (he)
NL (1) NL1020763C2 (he)
ZA (1) ZA200304397B (he)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1020763C2 (nl) * 2002-06-05 2003-12-08 Thales Nederland Bv Werkwijze en -systeem voor het deconvolueren van een met een onregelmatige PRT bemonsterd signaal, en de toepassingsmogelijkheden ervan.
US6937185B1 (en) * 2003-08-14 2005-08-30 Lockheed Martin Corporation Rain versus target discrimination for doppler radars
US6861974B1 (en) * 2003-10-16 2005-03-01 Lockheed Martin Corporation Clutter normalization by adaptation of transmit waveform
US7589666B2 (en) * 2004-12-30 2009-09-15 Vaisala, Inc. System and method for processing data in weather radar
JP2006250934A (ja) * 2005-03-08 2006-09-21 Synthesys Research Inc デューティ・サイクルを測定するための方法及び装置
US7583222B2 (en) 2005-08-26 2009-09-01 Vaisala Oyj Method for using pulse compression in weather radar
WO2012032333A1 (en) 2010-09-08 2012-03-15 Bae Systems Plc Radar system and methods of controlling a radar system and the provision of a range-doppler target image signature
JP2013142775A (ja) * 2012-01-11 2013-07-22 Sony Corp 表示装置、電子機器、表示方法、並びにプログラム
CN102608597B (zh) * 2012-03-19 2014-07-23 西安电子科技大学 基于非完全数据解卷积的实孔径前视成像方法
FR3008191B1 (fr) * 2013-07-05 2015-07-17 Thales Sa Procede de detection d'au moins une cible par radar doppler a impulsions avec mesure non ambigue de la vitesse radiale et radar doppler a impulsions pour la mise en oeuvre d'un tel procede
EP3144695B1 (de) * 2015-09-17 2019-04-10 HENSOLDT Sensors GmbH Vorrichtung und verfahren zur messung von position und geschwindigkeit eines objekts
CN110431444B (zh) * 2017-01-16 2023-06-13 皇家飞利浦有限公司 用于超快成像的系统和方法
CN109001703A (zh) * 2018-08-10 2018-12-14 南京信息工程大学 一种基于小波包多阈值处理的海杂波去噪办法
CN109597060B (zh) * 2018-12-07 2021-06-25 北京敏视达雷达有限公司 一种雷达测速方法及装置
CN110146891A (zh) * 2019-01-17 2019-08-20 西安电子科技大学 基于盲区数据恢复的单通道参差合成孔径雷达成像方法
CN110161491B (zh) * 2019-06-28 2021-01-12 电子科技大学 一种针对微弱生命体的测距和呼吸频率估计方法
CN115327504B (zh) * 2022-07-04 2024-05-10 中国电波传播研究所（中国电子科技集团公司第二十二研究所） 一种基于测量条件参数的海杂波幅度分布无类型化预测方法
CN116774177B (zh) * 2023-05-28 2026-01-09 西北工业大学 一种基于杂波谱参数估计的杂波抑制方法、应用
CN122110047B (zh) * 2026-04-27 2026-06-30 成都亘波雷达科技有限公司 参差脉冲重复间隔下的雷达回波信号幅度傅里叶变换方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4400700A (en) * 1981-06-08 1983-08-23 The United States Of America As Represented By The Secretary Of The Army Doppler frequency analysis of radar signals
US4737788A (en) * 1985-04-04 1988-04-12 Motorola, Inc. Helicopter obstacle detector
US5376940A (en) * 1985-12-19 1994-12-27 Hughes Aircraft Company Helicopter recognition radar processor
US6081221A (en) * 1998-08-27 2000-06-27 Zrnic; Dusan S. Signal processing and systematic phase coding for mitigation of range and velocity ambiguities in Doppler weather radars
NL1020763C2 (nl) * 2002-06-05 2003-12-08 Thales Nederland Bv Werkwijze en -systeem voor het deconvolueren van een met een onregelmatige PRT bemonsterd signaal, en de toepassingsmogelijkheden ervan.

Also Published As

Publication number Publication date
IL156293A0 (en) 2004-01-04
KR20030094116A (ko) 2003-12-11
CA2431094C (en) 2011-07-26
CA2431094A1 (en) 2003-12-05
IL156293A (he) 2008-12-29
EP1369703B1 (en) 2010-02-17
DE60331277D1 (de) 2010-04-01
US20040056794A1 (en) 2004-03-25
EP1369703A2 (en) 2003-12-10
NL1020763C2 (nl) 2003-12-08
KR100966060B1 (ko) 2010-06-28
JP2004037457A (ja) 2004-02-05
ATE458204T1 (de) 2010-03-15
ES2340672T3 (es) 2010-06-08
EP1369703A3 (en) 2005-01-05
US6803876B2 (en) 2004-10-12

Similar Documents

Publication Publication Date Title
IL156293A0 (en) Irregular prt deconvolution method and systems, and their uses
KR102186191B1 (ko) 간섭이 억제된 레이더 감지
RU2594005C1 (ru) Способ обработки радиолокационного сигнала в импульсно-доплеровской рлс
WO2004010603A3 (en) Frequency domain equalization of communication signals
WO2005106524A2 (en) Method and apparatus for performing bistatic radar functions
AU4870099A (en) Noncoherent gain enhancement technique for improved detection-estimation performance
KR101908455B1 (ko) 저전력 주파수 변조 연속파 레이더 시스템 및 그 제어 방법
DE60334413D1 (de) Verfahren und system zur unzweideutigen winkelauflösung einer spärlichen breitbandantennengruppe
JPH06294864A (ja) レーダ装置
US20130234878A1 (en) System and Method of Radar Location
US7298315B2 (en) Radar pulse compression repair
KR102103468B1 (ko) 시간 영역에서 방위 신호의 파워 스펙트럼 밀도를 이용한 멀티채널 sar를 위한 채널 위상 오류 보상 방법
AU2005321332A1 (en) Radar system for monitoring targets in different distance ranges
EP1418441B1 (en) Agile PRT Deconvolution method and systems, and its uses
Zheng et al. Hand gesture recognition based on range Doppler-angle trajectory and LSTM network using an MIMO radar
Stein et al. Suppression of range ambiguities in synthetic aperture radar systems
Ivchenko et al. Plasma line observations from the EISCAT Svalbard Radar during the International Polar Year
CN115877387A (zh) 一种基于高阶自相关的天气雷达径向速度估算方法
Pierce Velocity measurement of radar targets using HOS
Hysell et al. HF radar probing of the lower magnetosphere
US20020044083A1 (en) Universal two-channel stap filter
Lu et al. Enhanced maneuvering targets detection via polynomial phase modeling in over-the-horizon radars
Marciniak Complex signals based on short chirp signals and phase coding
Koshelev et al. Optimization of the weight processing algorithm in multichannel Doppler filtering
Kersten et al. Estimating surface water flow speeds using time–frequency methods