NO902397D0 - Hydroakustisk sonarsystem. - Google Patents

Hydroakustisk sonarsystem.

Info

Publication number
NO902397D0
NO902397D0 NO902397A NO902397A NO902397D0 NO 902397 D0 NO902397 D0 NO 902397D0 NO 902397 A NO902397 A NO 902397A NO 902397 A NO902397 A NO 902397A NO 902397 D0 NO902397 D0 NO 902397D0
Authority
NO
Norway
Prior art keywords
received signals
wideband
sonar system
conserve
hydroacustic
Prior art date
Application number
NO902397A
Other languages
English (en)
Other versions
NO902397L (no
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 NO902397D0 publication Critical patent/NO902397D0/no
Publication of NO902397L publication Critical patent/NO902397L/no

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523Details of pulse systems
    • G01S7/526Receivers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523Details of pulse systems
    • G01S7/526Receivers
    • G01S7/529Gain 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)
NO90902397A 1989-06-01 1990-05-30 Hydroakustisk sonarsystem. NO902397L (no)

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 (2)

Publication Number Publication Date
NO902397D0 true NO902397D0 (no) 1990-05-30
NO902397L NO902397L (no) 1990-12-03

Family

ID=23416997

Family Applications (1)

Application Number Title Priority Date Filing Date
NO90902397A NO902397L (no) 1989-06-01 1990-05-30 Hydroakustisk sonarsystem.

Country Status (13)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW218046B (no) * 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
WO2013063515A2 (en) 2011-10-26 2013-05-02 Flir Systems, Inc. Wideband sonar with pulse compression
CN204495996U (zh) 2011-10-26 2015-07-22 菲力尔系统公司 宽带声纳接收器
US10444354B2 (en) 2011-10-26 2019-10-15 Flir Systems, Inc. Sonar data enhancement systems and methods
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
CA1292305C (en) 1991-11-19
EP0400919B1 (en) 1995-08-23
FI902509A0 (fi) 1990-05-21
ATE126896T1 (de) 1995-09-15
AU617281B2 (en) 1991-11-21
NO902397L (no) 1990-12-03
EP0400919A3 (en) 1992-02-12
AU5586690A (en) 1990-12-06
DK0400919T3 (da) 1995-09-25
ES2076316T3 (es) 1995-11-01
DE69021777T2 (de) 1996-02-22
NZ233872A (en) 1992-07-28
EP0400919A2 (en) 1990-12-05
JP2505911B2 (ja) 1996-06-12
JPH0387682A (ja) 1991-04-12
DE69021777D1 (de) 1995-09-28
GR3017938T3 (en) 1996-02-29
US4949318A (en) 1990-08-14

Similar Documents

Publication Publication Date Title
KR950702729A (ko) 음파 접촉 패널용 제어기 (a controller for an acoustic wave touch panel)
DE69213748T2 (de) System zur tonaufnahme sowie gerät zur tonaufnahme und -wiedergabe
EP0352747A3 (en) Frequency separation stabilization method for optical heterodyne or optical homodyne communication
NO902397L (no) Hydroakustisk sonarsystem.
SG25092G (en) An adaptive median filter system
ES8202211A1 (es) Un dispositivo para convertir una senal electrica en una se-nal acustica
DE3875717T2 (de) Anordnungen zur stoerschall-verminderung.
ES2070486T3 (es) Filtro de reflector de ondas superficiales.
ATE356469T1 (de) Verstärkungsregelung von audiosignalen in lärmender umgebung mit hilfe einer filterbank
ATE180364T1 (de) Verfahren zur beseitigung von störungen bei stereo-rundfunk-signalen
SE8602507L (sv) Forfarande och anordning for avblendning av storsignaler
TR28075A (tr) Paylasmali saw filtresi olan yari-paralel if.
ES2076785T3 (es) Procedimiento para la reduccion de la diafonia de frecuencias en la transmision y/o registro de señales acusticas u opticas.
GB2090456A (en) Sound signal automatic detection and display method and system
CA2070428A1 (en) Optical time domain reflectometer
RU95116506A (ru) Радиосистема охраны на шумоподобных сигналах
DE69608494D1 (de) Verfahren und Vorrichtung zur Kombination optischer Signale
JPS57198581A (en) Tracking control system for reproducing device of information recording medium disc
IT1117427B (it) Procedimento per un sicuro riscontro di segnali sinusoidali di frequenza acustica
ATE3096T1 (de) Schaltungsanordnung zur unterdrueckung von stoersignalen.
SE8800753D0 (sv) Radar
EP0092962A3 (en) Heartbeat rate indicator
KR950012329A (ko) 브이 씨 알의 하이-파이 노이즈 제거장치
DE3786922D1 (de) Vorrichtung zur verarbeitung von stereosignalen und universale am-stereoempfaenger mit einer solchen einrichtung.
RU95111089A (ru) Цифровой рекурсивный фильтр