GB2003354B - Method of and apparatus for measuring distance between two transmitting stations - Google Patents

Method of and apparatus for measuring distance between two transmitting stations

Info

Publication number
GB2003354B
GB2003354B GB7831844A GB7831844A GB2003354B GB 2003354 B GB2003354 B GB 2003354B GB 7831844 A GB7831844 A GB 7831844A GB 7831844 A GB7831844 A GB 7831844A GB 2003354 B GB2003354 B GB 2003354B
Authority
GB
United Kingdom
Prior art keywords
measuring distance
transmitting stations
stations
transmitting
measuring
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
GB7831844A
Other versions
GB2003354A (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.)
ARINC Inc
Original Assignee
ARINC Research Corp
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
Priority claimed from US05/874,480 external-priority patent/US4128835A/en
Application filed by ARINC Research Corp filed Critical ARINC Research Corp
Publication of GB2003354A publication Critical patent/GB2003354A/en
Application granted granted Critical
Publication of GB2003354B publication Critical patent/GB2003354B/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
    • 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
    • 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
    • G01S13/79—Systems using random coded signals or random pulse repetition frequencies, e.g. "Separation and Control of Aircraft using Non synchronous Techniques" [SECANT]

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB7831844A 1977-08-23 1978-08-01 Method of and apparatus for measuring distance between two transmitting stations Expired GB2003354B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82700977A 1977-08-23 1977-08-23
US05/874,480 US4128835A (en) 1977-08-23 1978-02-02 Method and apparatus for measuring distance between an aircraft and a ground station

Publications (2)

Publication Number Publication Date
GB2003354A GB2003354A (en) 1979-03-07
GB2003354B true GB2003354B (en) 1982-03-03

Family

ID=27125052

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7831844A Expired GB2003354B (en) 1977-08-23 1978-08-01 Method of and apparatus for measuring distance between two transmitting stations

Country Status (2)

Country Link
CA (1) CA1112339A (en)
GB (1) GB2003354B (en)

Also Published As

Publication number Publication date
GB2003354A (en) 1979-03-07
CA1112339A (en) 1981-11-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960801