IL101077A - A system for measuring distances using echoes - Google Patents

A system for measuring distances using echoes

Info

Publication number
IL101077A
IL101077A IL10107792A IL10107792A IL101077A IL 101077 A IL101077 A IL 101077A IL 10107792 A IL10107792 A IL 10107792A IL 10107792 A IL10107792 A IL 10107792A IL 101077 A IL101077 A IL 101077A
Authority
IL
Israel
Prior art keywords
velocity
outputs
time
distribution
output
Prior art date
Application number
IL10107792A
Other languages
English (en)
Hebrew (he)
Original Assignee
Hydroacoustic Inc
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 Hydroacoustic Inc filed Critical Hydroacoustic Inc
Publication of IL101077A publication Critical patent/IL101077A/en

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
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/583—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
    • 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
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/586—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
IL10107792A 1991-03-18 1992-02-27 A system for measuring distances using echoes IL101077A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US67106091A 1991-03-18 1991-03-18
US70266291A 1991-05-17 1991-05-17
US71168191A 1991-06-16 1991-06-16

Publications (1)

Publication Number Publication Date
IL101077A true IL101077A (en) 1995-08-31

Family

ID=27418222

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10107792A IL101077A (en) 1991-03-18 1992-02-27 A system for measuring distances using echoes

Country Status (5)

Country Link
EP (1) EP0504702A3 (fr)
JP (1) JPH06201825A (fr)
AU (2) AU647346B2 (fr)
CA (1) CA2063132A1 (fr)
IL (1) IL101077A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4244608C2 (de) * 1992-12-31 1997-03-06 Volkswagen Ag Mittels eines Computers durchgeführtes Radarverfahren zur Messung von Abständen und Relativgeschwindigkeiten zwischen einem Fahrzeug und vor ihm befindlichen Hindernissen
DE4317038A1 (de) * 1993-05-21 1994-11-24 Atlas Elektronik Gmbh Verfahren zum Erkennen von Zielen und/oder Bestimmen ihrer Zieldaten
FR2754907B1 (fr) * 1996-10-22 1999-01-08 Thomson Marconi Sonar Sas Procede de mesure du decalage doppler dans un systeme de detection utilisant des codes ambigus
GB2394048B (en) * 2002-10-12 2006-03-15 Westerngeco Seismic Holdings Acoustic ranging by application of linear period modulated sound
DE10332886B3 (de) * 2003-07-19 2004-12-30 Atlas Elektronik Gmbh Verfahren zum Bestimmen von Zieldaten mit einer Aktiv-Sonaranlage
US8120521B2 (en) * 2003-10-28 2012-02-21 Preco Electronics, Inc. Radar echolocater with audio output
JP4828120B2 (ja) * 2004-12-20 2011-11-30 古野電気株式会社 水中探知装置
GB2536487A (en) * 2015-03-19 2016-09-21 Cambridge Consultants Coherent method for signalling and ranging using unsynchronized digital radio transceivers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3905033A (en) * 1968-04-10 1975-09-09 Us Navy Single composite pulse moving target indicator radar system
US3866223A (en) * 1972-02-01 1975-02-11 Sperry Rand Corp Multiplicative signal processor for target detection systems with sequential doppler search
US4697186A (en) * 1975-04-30 1987-09-29 The United States Of America As Represented By The Secretary Of The Navy Velocity discrimination radar
US4176351A (en) * 1978-08-18 1979-11-27 Raytheon Company Method of operating a continuous wave radar
US4388622A (en) * 1981-04-15 1983-06-14 The United States Of America As Represented By The Secretary Of The Army Double sideband linear frequency modulation system for radar applications
US4566011A (en) * 1983-07-08 1986-01-21 The United States Of America As Represented By The Secretary Of The Navy Palindromic polyphase code expander-compressor
JPS60169782A (ja) * 1984-02-14 1985-09-03 Nec Corp 移動目標表示装置
US4831602A (en) * 1987-04-02 1989-05-16 Raytheon Company Simultaneous coherent and incoherent processor for sonar signals
US5077702A (en) * 1990-11-16 1991-12-31 General Electric Company Doppler consistent hyperbolic frequency modulation

Also Published As

Publication number Publication date
AU664802B2 (en) 1995-11-30
JPH06201825A (ja) 1994-07-22
AU1214092A (en) 1992-09-24
CA2063132A1 (fr) 1992-09-19
AU6475094A (en) 1994-08-11
AU647346B2 (en) 1994-03-17
EP0504702A3 (en) 1993-03-03
EP0504702A2 (fr) 1992-09-23

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Legal Events

Date Code Title Description
RH Patent void