JPS6161072B2 - - Google Patents

Info

Publication number
JPS6161072B2
JPS6161072B2 JP53146187A JP14618778A JPS6161072B2 JP S6161072 B2 JPS6161072 B2 JP S6161072B2 JP 53146187 A JP53146187 A JP 53146187A JP 14618778 A JP14618778 A JP 14618778A JP S6161072 B2 JPS6161072 B2 JP S6161072B2
Authority
JP
Japan
Prior art keywords
circuit
signal
echo
threshold level
width
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
Application number
JP53146187A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5572880A (en
Inventor
Tokimori Kawamura
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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP14618778A priority Critical patent/JPS5572880A/ja
Publication of JPS5572880A publication Critical patent/JPS5572880A/ja
Publication of JPS6161072B2 publication Critical patent/JPS6161072B2/ja
Granted 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
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals
    • G01S7/5276—Extracting wanted echo signals using analogue techniques

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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP14618778A 1978-11-27 1978-11-27 Processor for sonar video signal Granted JPS5572880A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14618778A JPS5572880A (en) 1978-11-27 1978-11-27 Processor for sonar video signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14618778A JPS5572880A (en) 1978-11-27 1978-11-27 Processor for sonar video signal

Publications (2)

Publication Number Publication Date
JPS5572880A JPS5572880A (en) 1980-06-02
JPS6161072B2 true JPS6161072B2 (enExample) 1986-12-24

Family

ID=15402094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14618778A Granted JPS5572880A (en) 1978-11-27 1978-11-27 Processor for sonar video signal

Country Status (1)

Country Link
JP (1) JPS5572880A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5872074A (ja) * 1981-10-26 1983-04-28 Japan Radio Co Ltd サイドロ−ブ抑圧表示方法
JPS59162468A (ja) * 1983-03-08 1984-09-13 Tech Res & Dev Inst Of Japan Def Agency パツシブソ−ナ−副極除去装置
JPS60179672A (ja) * 1984-02-28 1985-09-13 Nec Corp 目標検出方式
JPS59218973A (ja) * 1984-05-15 1984-12-10 Matsushita Electric Ind Co Ltd 車載用障害物検知装置
DE19927865B4 (de) † 1999-05-07 2005-12-01 Leuze Electronic Gmbh & Co Kg Vorrichtung zur Detektion von Objekten
EP1344087B1 (de) * 2000-12-14 2006-07-19 Pepperl + Fuchs Gmbh Adaptive komparatorschaltung und akustischer entfernungssensor mit einer derartigen schaltung
JP4703348B2 (ja) * 2005-10-07 2011-06-15 セイコープレシジョン株式会社 移動体検知装置及び移動体検知方法
WO2011145140A1 (ja) * 2010-05-19 2011-11-24 三菱電機株式会社 障害物検知装置

Also Published As

Publication number Publication date
JPS5572880A (en) 1980-06-02

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