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CH348430A - Verfahren zur Entfernungsmessung unter Verwendung der Laufzeit hochfrequenter elektrischer Schwingungen - Google Patents

Verfahren zur Entfernungsmessung unter Verwendung der Laufzeit hochfrequenter elektrischer Schwingungen

Info

Publication number
CH348430A
CH348430A CH348430DA CH348430A CH 348430 A CH348430 A CH 348430A CH 348430D A CH348430D A CH 348430DA CH 348430 A CH348430 A CH 348430A
Authority
CH
Switzerland
Prior art keywords
distance measurement
transit time
frequency electrical
electrical oscillations
oscillations
Prior art date
Application number
Other languages
English (en)
Inventor
Lloyd Wadley Trevor
Original Assignee
South African Council Scientif
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 South African Council Scientif filed Critical South African Council Scientif
Publication of CH348430A publication Critical patent/CH348430A/de

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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • G01S13/84—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted for distance determination by phase measurement
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna
    • 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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • 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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
CH348430D 1955-11-15 1956-11-13 Verfahren zur Entfernungsmessung unter Verwendung der Laufzeit hochfrequenter elektrischer Schwingungen CH348430A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA348430X 1955-11-15
NL150256X 1956-02-15

Publications (1)

Publication Number Publication Date
CH348430A true CH348430A (de) 1960-08-31

Family

ID=26643467

Family Applications (1)

Application Number Title Priority Date Filing Date
CH348430D CH348430A (de) 1955-11-15 1956-11-13 Verfahren zur Entfernungsmessung unter Verwendung der Laufzeit hochfrequenter elektrischer Schwingungen

Country Status (6)

Country Link
US (1) US2907999A (de)
CH (1) CH348430A (de)
DE (1) DE1197633C2 (de)
FR (1) FR1210627A (de)
GB (1) GB811762A (de)
NL (1) NL113584C (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1256902B (de) * 1966-01-14 1967-12-21 Grundig Emv Auf dem Prinzip einer Messung der Laufzeit kohaerenter elektromagnetischer Schwingungen beruhende Vorrichtung zur Messung des Abstandes zweier voneinander entfernter Punkte
DE1283930B (de) * 1961-05-29 1968-11-28 South African Inv S Dev Corp Verfahren und Vorrichtung zur Entfernungsbestimmung zwischen zwei austauschbaren Stationen
DE1289144B (de) * 1964-01-31 1969-02-13 Geophysique Cie Gle Funknavigationsanordnung zur Messung der Entfernung zwischen zwei Stationen durch Feststellung einer Phasendifferenz

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078460A (en) * 1958-09-02 1963-02-19 Cubic Corp Electronic surveying system
GB977418A (en) * 1960-06-14 1964-12-09 South African Council Scientif Determining the distance between two spaced points by means of the transit time of waves
US3168731A (en) * 1961-08-21 1965-02-02 Bell Aerospace Corp Cross-band beacon
NL295277A (de) * 1962-08-15
US3365717A (en) * 1965-09-03 1968-01-23 South African Inventions Method of and apparatus for providing a measure of the distance between two spaced points
US3333265A (en) * 1965-12-09 1967-07-25 Hastings Raydist Inc Multi-dimensional navigation system with minimum frequency requirement
ZA723648B (en) * 1972-05-29 1973-09-26 South African Inventions Electronic means for resolving vernier measurements
NL180046C (nl) * 1977-01-26 1986-12-16 Mitsubishi Electric Corp Radarbakeninrichting voor reddingsoperaties.
US4129869A (en) * 1977-01-27 1978-12-12 Mitsubishi Denki Kabushiki Kaisha Automatical signalling apparatus
US4307397A (en) * 1977-12-05 1981-12-22 The South African Inventions Development Corporation Method of and apparatus for measuring distance
DE3067247D1 (en) * 1979-05-23 1984-05-03 Michael Millett Distance measuring system employing secondary radar
US4577150A (en) * 1982-06-09 1986-03-18 Plessey South Africa Limited Phase measuring method and apparatus
SE456118B (sv) * 1985-12-12 1988-09-05 Stiftelsen Inst Mikrovags Forfarande och anordning for att meta avstand mellan ett forsta och ett andra foremal med signaler av mikrovagsfrekvens
SE456867B (sv) * 1985-12-12 1988-11-07 Stiftelsen Inst Mikrovags Saett att uppmaeta avstaand och/eller hastighet mellan tvaa foeremaal
US5706010A (en) * 1996-05-16 1998-01-06 E-Systems, Inc. Method and apparatus for determining location of an unknown signal transmitter
US7205932B2 (en) * 2004-01-29 2007-04-17 Bae Systems Information And Electronic Systems Integration Inc. Method and apparatus for improved determination of range and angle of arrival utilizing a two tone CW radar
US7158076B2 (en) * 2004-10-01 2007-01-02 Bae Systems Information And Electronic Systems Integration Inc. Method and apparatus for correcting velocity-induced range estimate phase errors in a two-tone monopulse CW radar
US7623062B2 (en) * 2006-08-01 2009-11-24 Autoliv Asp, Inc. System and method for target detection with a radar antenna
US8723720B2 (en) * 2011-05-03 2014-05-13 Harris Corporation Wireless location detection and/or tracking device and associated methods

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE884831C (de) * 1944-01-08 1953-07-30 Lorenz C Ag Verfahren zur gegenseitigen Entfernungsmessung zwischen zwei Stationen auf drahtlosem Wege
US2470787A (en) * 1944-05-04 1949-05-24 Paul W Nosker System for determining the position or path of an object in space
US2763857A (en) * 1945-11-15 1956-09-18 Jr George E Valley Two station navigation system
US2654884A (en) * 1947-10-21 1953-10-06 Sperry Corp Radio distance measuring system
US2779018A (en) * 1949-07-07 1957-01-22 Onera (Off Nat Aerospatiale) Electro-magnetic distance measuring device
US2709253A (en) * 1952-01-05 1955-05-24 Hastings Instr Co Inc Radio ranging system
US2742638A (en) * 1952-01-05 1956-04-17 Vernon M Haywood Radio ranging system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1283930B (de) * 1961-05-29 1968-11-28 South African Inv S Dev Corp Verfahren und Vorrichtung zur Entfernungsbestimmung zwischen zwei austauschbaren Stationen
DE1289144B (de) * 1964-01-31 1969-02-13 Geophysique Cie Gle Funknavigationsanordnung zur Messung der Entfernung zwischen zwei Stationen durch Feststellung einer Phasendifferenz
DE1256902B (de) * 1966-01-14 1967-12-21 Grundig Emv Auf dem Prinzip einer Messung der Laufzeit kohaerenter elektromagnetischer Schwingungen beruhende Vorrichtung zur Messung des Abstandes zweier voneinander entfernter Punkte

Also Published As

Publication number Publication date
US2907999A (en) 1959-10-06
GB811762A (en) 1959-04-08
DE1197633B (de) 1965-07-29
NL113584C (de) 1967-03-15
FR1210627A (fr) 1960-03-09
DE1197633C2 (de) 1973-02-01

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