NO20070285L - Fremgangsmate for dektering av mal - Google Patents

Fremgangsmate for dektering av mal

Info

Publication number
NO20070285L
NO20070285L NO20070285A NO20070285A NO20070285L NO 20070285 L NO20070285 L NO 20070285L NO 20070285 A NO20070285 A NO 20070285A NO 20070285 A NO20070285 A NO 20070285A NO 20070285 L NO20070285 L NO 20070285L
Authority
NO
Norway
Prior art keywords
signals
entropy
reception
targets
linear transformation
Prior art date
Application number
NO20070285A
Other languages
English (en)
Inventor
Dirk Neumeister
Jorg Hurka
Original Assignee
Atlas Elektronik Gmbh
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 Atlas Elektronik Gmbh filed Critical Atlas Elektronik Gmbh
Publication of NO20070285L publication Critical patent/NO20070285L/no

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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/66—Sonar tracking systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141—Discrete Fourier transforms

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Discrete Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

Ved en fremgangsmåte for detektering av mål som i et medium stiåler ut bølgeenergi, ved hjelp av entropibestemmelse i tidsavsnitt av elektriske mottakssignaler i en i et medium i en avstand fra målet anordnet mottaker, blir det for detektering av mål, som særUg stiåler ut bredbåndet, støybelastede og energifattige signaler, gjennomført en lineær tiansformering av mottakssignalenes tidsavsnitt, hvoretter enfropien tU den transformerte bestemmes og det ut fra endringer av entiopien i den tiansformerte kan frekkes slutninger med hensyn til målet. For den lineære tiansformasjon gjennomføres det en Fourier-analyse og/eller en Wavelet- dekomponering av mottakssignalene.
NO20070285A 2004-06-17 2007-01-16 Fremgangsmate for dektering av mal NO20070285L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004029368A DE102004029368A1 (de) 2004-06-17 2004-06-17 Verfahren zum Detektieren von Zielen
PCT/EP2005/004440 WO2005125064A1 (de) 2004-06-17 2005-04-26 Verfahren zum detektieren von zielen

Publications (1)

Publication Number Publication Date
NO20070285L true NO20070285L (no) 2007-01-16

Family

ID=34965153

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20070285A NO20070285L (no) 2004-06-17 2007-01-16 Fremgangsmate for dektering av mal

Country Status (8)

Country Link
EP (1) EP1756983B1 (no)
KR (1) KR101099965B1 (no)
AT (1) ATE515843T1 (no)
AU (1) AU2005255537B2 (no)
DE (1) DE102004029368A1 (no)
IL (1) IL179946A0 (no)
NO (1) NO20070285L (no)
WO (1) WO2005125064A1 (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101382259B1 (ko) * 2011-05-20 2014-04-08 삼성탈레스 주식회사 신호의 전력 및 스펙트럼 특성을 이용한 천이 소음 탐지 장치 및 방법
CN110187340B (zh) * 2019-06-17 2021-08-17 中国电子科技集团公司信息科学研究院 一种基于熵的探测目标的信息表征方法及系统
CN110865375B (zh) * 2019-11-13 2022-07-05 西北工业大学 一种水中目标检测方法
CN117250603B (zh) * 2023-11-10 2024-01-09 西北工业大学深圳研究院 水下微弱目标信号的多通道熵检测方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5181254A (en) * 1990-12-14 1993-01-19 Westinghouse Electric Corp. Method for automatically identifying targets in sonar images
US5247302A (en) * 1992-06-30 1993-09-21 Iowa State University Research Foundation, Inc. Entropy-based signal receiver
US5392046A (en) * 1993-08-19 1995-02-21 Mallinckrodt Medical, Inc. Entropy based signal, transmission, reception and signal analysis method and apparatus
US5377163A (en) * 1993-11-01 1994-12-27 Simpson; Patrick K. Active broadband acoustic method and apparatus for identifying aquatic life
US5668778A (en) * 1996-07-09 1997-09-16 The United States Of America As Represented By The Secretary Of The Navy Method for detecting acoustic signals from an underwater source
US6397679B1 (en) * 2000-03-30 2002-06-04 Simmonds Precision Products, Inc. Method and apparatus for discriminating ultrasonic echoes using wavelet function processing
JP2003232820A (ja) * 2002-02-13 2003-08-22 Oki Electric Ind Co Ltd 最大エントロピー法による周波数分析方法

Also Published As

Publication number Publication date
AU2005255537A1 (en) 2005-12-29
KR101099965B1 (ko) 2011-12-28
EP1756983B1 (de) 2011-07-06
DE102004029368A1 (de) 2006-01-26
AU2005255537B2 (en) 2010-03-04
IL179946A0 (en) 2007-05-15
KR20070031941A (ko) 2007-03-20
ATE515843T1 (de) 2011-07-15
WO2005125064A1 (de) 2005-12-29
EP1756983A1 (de) 2007-02-28

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