FI902509A0 - Ekolodsystem. - Google Patents

Ekolodsystem.

Info

Publication number
FI902509A0
FI902509A0 FI902509A FI902509A FI902509A0 FI 902509 A0 FI902509 A0 FI 902509A0 FI 902509 A FI902509 A FI 902509A FI 902509 A FI902509 A FI 902509A FI 902509 A0 FI902509 A0 FI 902509A0
Authority
FI
Finland
Prior art keywords
received signals
wideband
conserve
khz
targets
Prior art date
Application number
FI902509A
Other languages
English (en)
Inventor
Paul H Patrick
Gerald A Hunt
Blair F Sim
Original Assignee
Paul H Patrick
Gerald A Hunt
Blair F Sim
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 Paul H Patrick, Gerald A Hunt, Blair F Sim filed Critical Paul H Patrick
Publication of FI902509A0 publication Critical patent/FI902509A0/fi

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
    • 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
    • G01S7/529—Gain of receiver varied automatically during pulse-recurrence period

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Dental Preparations (AREA)
  • Steroid Compounds (AREA)
FI902509A 1989-06-01 1990-05-21 Ekolodsystem. FI902509A0 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/360,200 US4949318A (en) 1989-06-01 1989-06-01 Hydroacoustic sonar equipment

Publications (1)

Publication Number Publication Date
FI902509A0 true FI902509A0 (fi) 1990-05-21

Family

ID=23416997

Family Applications (1)

Application Number Title Priority Date Filing Date
FI902509A FI902509A0 (fi) 1989-06-01 1990-05-21 Ekolodsystem.

Country Status (13)

Country Link
US (1) US4949318A (fi)
EP (1) EP0400919B1 (fi)
JP (1) JP2505911B2 (fi)
AT (1) ATE126896T1 (fi)
AU (1) AU617281B2 (fi)
CA (1) CA1292305C (fi)
DE (1) DE69021777T2 (fi)
DK (1) DK0400919T3 (fi)
ES (1) ES2076316T3 (fi)
FI (1) FI902509A0 (fi)
GR (1) GR3017938T3 (fi)
NO (1) NO902397L (fi)
NZ (1) NZ233872A (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW218046B (fi) * 1991-04-16 1993-12-21 Midoriboshisya Kk
US5260912A (en) * 1991-05-17 1993-11-09 Computrol, Inc. Side-looking fish finder
US6325020B1 (en) * 1999-10-28 2001-12-04 Guigne International, Ltd. Fish sizing sonar system
US7688675B2 (en) * 2006-03-24 2010-03-30 University Of Mississippi Underwater biomass assessment device and method
CN101813771B (zh) * 2009-12-08 2013-04-24 中国科学院声学研究所 一种海豚仿生声纳信号处理方法
CN204495995U (zh) 2011-10-26 2015-07-22 菲力尔系统公司 宽带声纳发射器、宽带声纳和声纳
US10444354B2 (en) 2011-10-26 2019-10-15 Flir Systems, Inc. Sonar data enhancement systems and methods
WO2013063531A2 (en) * 2011-10-26 2013-05-02 Flir Systems, Inc. Wideband sonar receiver and sonar signal processing algorithms
CN106886015B (zh) * 2017-02-23 2018-02-09 山东科技大学 一种多波束声呐主要声学指标的检测装置及检测方法
CN113433552A (zh) * 2021-08-25 2021-09-24 宁波博海深衡科技有限公司武汉分公司 多信道信号发射和接收电子系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952280A (en) * 1974-01-10 1976-04-20 Esl Incorporated Radiation monitoring of an object space with a clutter suppression technique
JPS5132667A (ja) * 1974-09-13 1976-03-19 Masaki Yoshimura Choonpaidobutsutaikenshutsuki
US4081783A (en) * 1975-09-26 1978-03-28 Keisuke Honda Fish finder capable of discriminating sizes of fish
US4016750B1 (en) * 1975-11-06 1994-04-05 Stanford Research Inst Ultrasonic imaging method and apparatus
US4069468A (en) * 1976-09-24 1978-01-17 Raytheon Company Doppler spectral measurement
US4119941A (en) * 1977-08-08 1978-10-10 The United States Of America As Represented By The Secretary Of The Navy Acoustic coupler
JPS58112533A (ja) * 1981-12-25 1983-07-05 横河電機株式会社 反射波受信方式
JPS5960378A (ja) * 1982-09-30 1984-04-06 Yokogawa Hokushin Electric Corp 反射波信号受信方法
JPS60104109U (ja) * 1983-12-21 1985-07-16 横河メディカルシステム株式会社 マルチビ−ム式イメ−ジヤ
FR2596163B1 (fr) * 1986-03-19 1988-06-17 Onera (Off Nat Aerospatiale) Procede et appareil pour la discrimination a distance de cibles

Also Published As

Publication number Publication date
EP0400919A3 (en) 1992-02-12
ES2076316T3 (es) 1995-11-01
EP0400919B1 (en) 1995-08-23
US4949318A (en) 1990-08-14
DE69021777T2 (de) 1996-02-22
CA1292305C (en) 1991-11-19
NO902397L (no) 1990-12-03
JP2505911B2 (ja) 1996-06-12
NO902397D0 (no) 1990-05-30
ATE126896T1 (de) 1995-09-15
NZ233872A (en) 1992-07-28
AU5586690A (en) 1990-12-06
AU617281B2 (en) 1991-11-21
EP0400919A2 (en) 1990-12-05
GR3017938T3 (en) 1996-02-29
DK0400919T3 (da) 1995-09-25
DE69021777D1 (de) 1995-09-28
JPH0387682A (ja) 1991-04-12

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Legal Events

Date Code Title Description
FD Application lapsed
MM Patent lapsed

Owner name: ONTARIO HYDRO