GB977418A - Determining the distance between two spaced points by means of the transit time of waves - Google Patents

Determining the distance between two spaced points by means of the transit time of waves

Info

Publication number
GB977418A
GB977418A GB21324/61A GB2132461A GB977418A GB 977418 A GB977418 A GB 977418A GB 21324/61 A GB21324/61 A GB 21324/61A GB 2132461 A GB2132461 A GB 2132461A GB 977418 A GB977418 A GB 977418A
Authority
GB
United Kingdom
Prior art keywords
frequency
frequencies
phase
comparison
station
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB21324/61A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SOUTH AFRICAN COUNCIL SCIENTIF
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 GB977418A publication Critical patent/GB977418A/en
Expired legal-status Critical Current

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
    • 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
    • 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

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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB21324/61A 1960-06-14 1961-06-13 Determining the distance between two spaced points by means of the transit time of waves Expired GB977418A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3597460A 1960-06-14 1960-06-14

Publications (1)

Publication Number Publication Date
GB977418A true GB977418A (en) 1964-12-09

Family

ID=21885865

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21324/61A Expired GB977418A (en) 1960-06-14 1961-06-13 Determining the distance between two spaced points by means of the transit time of waves

Country Status (4)

Country Link
CH (1) CH400261A (enrdf_load_html_response)
DE (1) DE1231316B (enrdf_load_html_response)
GB (1) GB977418A (enrdf_load_html_response)
SE (1) SE219386C1 (enrdf_load_html_response)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH238534A (de) * 1943-07-06 1945-07-31 Guido Dr Nobile Verfahren zur Messung des Abstandes zwischen zwei Punkten mit Hilfe von elektromagnetischen Wellen.
DE884831C (de) * 1944-01-08 1953-07-30 Lorenz C Ag Verfahren zur gegenseitigen Entfernungsmessung zwischen zwei Stationen auf drahtlosem Wege
US2654884A (en) * 1947-10-21 1953-10-06 Sperry Corp Radio distance measuring system
FR1210627A (fr) * 1955-11-15 1960-03-09 South African Council Scientif Procédé et appareillage pour déterminer des positions relatives par le temps de transmission d'ondes

Also Published As

Publication number Publication date
DE1231316B (de) 1966-12-29
CH400261A (de) 1965-10-15
SE219386C1 (enrdf_load_html_response) 1968-03-12

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