AU2790689A - Closed loop velocity/altitude sensor for fm-cw doppler radars - Google Patents

Closed loop velocity/altitude sensor for fm-cw doppler radars

Info

Publication number
AU2790689A
AU2790689A AU27906/89A AU2790689A AU2790689A AU 2790689 A AU2790689 A AU 2790689A AU 27906/89 A AU27906/89 A AU 27906/89A AU 2790689 A AU2790689 A AU 2790689A AU 2790689 A AU2790689 A AU 2790689A
Authority
AU
Australia
Prior art keywords
closed loop
altitude sensor
doppler radars
loop velocity
velocity
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.)
Granted
Application number
AU27906/89A
Other versions
AU624104B2 (en
Inventor
James R. Drake
Timothy G. Fosket
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.)
BAE Systems Aerospace Inc
Original Assignee
GEC Marconi Electronic Systems 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 US07/097,772 external-priority patent/US4806935A/en
Application filed by GEC Marconi Electronic Systems Corp filed Critical GEC Marconi Electronic Systems Corp
Publication of AU2790689A publication Critical patent/AU2790689A/en
Application granted granted Critical
Publication of AU624104B2 publication Critical patent/AU624104B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4052—Means for monitoring or calibrating by simulation of echoes
    • G01S7/4056—Means for monitoring or calibrating by simulation of echoes specially adapted to FMCW
    • 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
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • G01S13/342—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using sinusoidal modulation
    • 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
    • G01S13/60—Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
    • 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/882—Radar or analogous systems specially adapted for specific applications for altimeters

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
AU27906/89A 1987-09-17 1988-05-16 Closed loop velocity/altitude sensor for fm-cw doppler radars Ceased AU624104B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/097,772 US4806935A (en) 1987-09-17 1987-09-17 Closed loop velocity/altitude sensor for FM-CW doppler radars
US097772 1987-09-17
PCT/US1988/001670 WO1989002605A1 (en) 1987-09-17 1988-05-16 Closed loop velocity/altitude sensor for fm-cw doppler radars

Publications (2)

Publication Number Publication Date
AU2790689A true AU2790689A (en) 1989-04-17
AU624104B2 AU624104B2 (en) 1992-06-04

Family

ID=26777649

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27906/89A Ceased AU624104B2 (en) 1987-09-17 1988-05-16 Closed loop velocity/altitude sensor for fm-cw doppler radars

Country Status (2)

Country Link
AU (1) AU624104B2 (en)
NO (1) NO901246D0 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB869808A (en) * 1958-12-01 1961-06-07 Marconi Wireless Telegraph Co Improvements in or relating to radar systems
US4245221A (en) * 1979-04-27 1981-01-13 Rca Corporation FM-CW Radar ranging system with automatic calibration

Also Published As

Publication number Publication date
NO901246L (en) 1990-03-16
NO901246D0 (en) 1990-03-16
AU624104B2 (en) 1992-06-04

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