NO803319L - Fremgangsmaate og innretning for forming og innretting av smale straaler. - Google Patents

Fremgangsmaate og innretning for forming og innretting av smale straaler.

Info

Publication number
NO803319L
NO803319L NO803319A NO803319A NO803319L NO 803319 L NO803319 L NO 803319L NO 803319 A NO803319 A NO 803319A NO 803319 A NO803319 A NO 803319A NO 803319 L NO803319 L NO 803319L
Authority
NO
Norway
Prior art keywords
receiver
chirp
time
procedure
installation
Prior art date
Application number
NO803319A
Other languages
English (en)
Other versions
NO152577C (no
NO152577B (no
Inventor
Richard Charles Heyser
Original Assignee
Nasa
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 Nasa filed Critical Nasa
Publication of NO803319L publication Critical patent/NO803319L/no
Publication of NO152577B publication Critical patent/NO152577B/no
Publication of NO152577C publication Critical patent/NO152577C/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
    • 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
    • G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
    • 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
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
    • G01S15/104—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
    • 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
    • G01S15/8902—Side-looking sonar
    • G01S15/8904—Side-looking sonar using synthetic aperture techniques

Landscapes

  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Vending Machines For Individual Products (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Surgical Instruments (AREA)
  • Recrystallisation Techniques (AREA)
  • Welding Or Cutting Using Electron Beams (AREA)
  • Water Treatment By Sorption (AREA)
  • External Artificial Organs (AREA)
  • Forging (AREA)
NO803319A 1979-11-07 1980-11-05 Fremgangsmaate og innretning for forming og innretting av smale straaler. NO152577C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/092,143 US4287578A (en) 1979-11-07 1979-11-07 Method for shaping and aiming narrow beams

Publications (3)

Publication Number Publication Date
NO803319L true NO803319L (no) 1981-05-08
NO152577B NO152577B (no) 1985-07-08
NO152577C NO152577C (no) 1985-10-16

Family

ID=22231836

Family Applications (1)

Application Number Title Priority Date Filing Date
NO803319A NO152577C (no) 1979-11-07 1980-11-05 Fremgangsmaate og innretning for forming og innretting av smale straaler.

Country Status (8)

Country Link
US (1) US4287578A (no)
EP (1) EP0028895B1 (no)
JP (1) JPS5676069A (no)
AT (1) ATE7543T1 (no)
AU (1) AU529206B2 (no)
CA (1) CA1151283A (no)
DE (1) DE3067882D1 (no)
NO (1) NO152577C (no)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4404665A (en) * 1980-10-20 1983-09-13 Raytheon Company Sea bottom slope compensation apparatus
GB2184236B (en) * 1981-07-27 1987-11-18 Gec Avionics Surveillance sonar for torpedo detection and guidance
US5555532A (en) * 1984-05-23 1996-09-10 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for target imaging with sidelooking sonar
EP0199571A1 (en) * 1985-04-20 1986-10-29 Peter Travis Gough Continuous transmission synthetic aperture sonar
US4884246A (en) * 1986-01-22 1989-11-28 California Institute Of Technology Method and apparatus for reflection mode imaging
US4809235A (en) * 1987-09-28 1989-02-28 Western Atlas International, Inc. Method for removing doppler phase dispersion from seismic data
FR2623912B1 (fr) * 1987-11-27 1990-03-23 Lacroix E Tous Artifices Detecteur radioaltimetrique et fusee de proximite equipee d'un tel detecteur
US5122990A (en) * 1991-02-01 1992-06-16 Rowe-Deines Instruments Incorporated Bottom tracking system
FR2675587B1 (fr) * 1991-04-16 1993-07-16 Thomson Csf Procede de compensation du mouvement de l'antenne pour un sonar.
US5142502A (en) * 1991-09-24 1992-08-25 Wilcox Martin H Microcomputer-based side scanning sonar system
US5469403A (en) * 1992-08-11 1995-11-21 Board Of Regents Of The University Of Washington Digital sonar system
US5251186A (en) * 1992-10-06 1993-10-05 The United States Of America As Represented By The Secretary Of The Navy Preprocessor and adaptive beamformer for linear-frequency modulation active signals
US5550549A (en) * 1995-02-28 1996-08-27 Harris Corporation Transponder system and method
FR2735873A1 (fr) * 1995-06-23 1996-12-27 Thomson Csf Procede de mesure de vitesse a l'aide d'un loch doppler a precision amelioree
DE19940055C1 (de) * 1999-08-24 2001-04-05 Siemens Ag Dosierventil
GB9927462D0 (en) * 1999-11-22 2000-01-19 Systems Engineering & Assessme Signal processing apparatus
CA2588047A1 (en) * 2004-08-02 2006-02-16 Johnson Outdoors Inc. Sonar imaging system for mounting to watercraft
US8305840B2 (en) 2009-07-14 2012-11-06 Navico, Inc. Downscan imaging sonar
US8300499B2 (en) 2009-07-14 2012-10-30 Navico, Inc. Linear and circular downscan imaging sonar
US9142206B2 (en) 2011-07-14 2015-09-22 Navico Holding As System for interchangeable mounting options for a sonar transducer
US9268020B2 (en) 2012-02-10 2016-02-23 Navico Holding As Sonar assembly for reduced interference
JP5275486B1 (ja) * 2012-02-16 2013-08-28 日本郵船株式会社 船速計および船速計測方法
US9354312B2 (en) 2012-07-06 2016-05-31 Navico Holding As Sonar system using frequency bursts
US9465108B1 (en) * 2014-12-03 2016-10-11 The United States Of America As Represented By The Secretary Of The Navy System and method for target doppler estimation and range bias compensation using high duty cycle linear frequency modulated signals
US20160309278A1 (en) * 2015-04-14 2016-10-20 Qualcomm Technologies International, Ltd. Determining doppler shift in an audio chirp signal
US11367425B2 (en) 2017-09-21 2022-06-21 Navico Holding As Sonar transducer with multiple mounting options
US11733377B2 (en) * 2018-05-07 2023-08-22 Texas Instruments Incorporated Time of flight and code signature detection for coded ultrasonic transmission
US11644555B2 (en) 2018-07-27 2023-05-09 Texas Instruments Incorporated Threshold generation for coded ultrasonic sensing
WO2024099615A1 (en) * 2022-11-10 2024-05-16 Fnv Ip B.V. Method and system for mapping a subsurface target region
WO2024099614A1 (en) * 2022-11-10 2024-05-16 Fnv Ip B.V. Method and system for mapping a region

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302162A (en) * 1965-06-04 1967-01-31 Richard O Rowlands Doppler sonar apparatus
US3484737A (en) * 1968-02-23 1969-12-16 Raytheon Co Acoustic mapping apparatus
US3798590A (en) * 1968-09-12 1974-03-19 Us Navy Signal processing apparatus including doppler dispersion correction means
DE2020566C3 (de) * 1970-04-27 1978-10-26 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Erzeugung hochaufgelöster Sonarbilder
US3827022A (en) * 1973-04-23 1974-07-30 Us Navy Induced doppler sonar
US3890618A (en) * 1973-08-30 1975-06-17 Us Navy Bessel sequence echo-location system
US3898660A (en) * 1973-10-15 1975-08-05 Kms Ind Inc Time/bandwidth interchange system
US3969725A (en) * 1974-06-12 1976-07-13 The United States Of America As Represented By The Secretary Of Transportation Distance measuring equipment
FR2315703A1 (fr) * 1975-06-24 1977-01-21 Thomson Csf Systeme radar a vision laterale
US4088978A (en) * 1976-09-27 1978-05-09 Westinghouse Electric Corp. Synthetic aperture side-looking sonar system
GB1568291A (en) * 1977-02-16 1980-05-29 Marconi Co Ltd Sidelooking radar systems
FR2431137A2 (fr) * 1977-12-20 1980-02-08 Inst Francais Du Petrole Sonar pour obtenir une representation topographique d'une surface immergee et des couches sous-jacentes

Also Published As

Publication number Publication date
DE3067882D1 (en) 1984-06-20
NO152577C (no) 1985-10-16
EP0028895B1 (en) 1984-05-16
EP0028895A1 (en) 1981-05-20
AU6385480A (en) 1981-05-14
NO152577B (no) 1985-07-08
ATE7543T1 (de) 1984-06-15
CA1151283A (en) 1983-08-02
US4287578A (en) 1981-09-01
AU529206B2 (en) 1983-05-26
JPS5676069A (en) 1981-06-23

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