GB2372649B - "A linearising device for a frequency-modulation ramp and its application to a radio altimeter" - Google Patents

"A linearising device for a frequency-modulation ramp and its application to a radio altimeter"

Info

Publication number
GB2372649B
GB2372649B GB9511805A GB9511805A GB2372649B GB 2372649 B GB2372649 B GB 2372649B GB 9511805 A GB9511805 A GB 9511805A GB 9511805 A GB9511805 A GB 9511805A GB 2372649 B GB2372649 B GB 2372649B
Authority
GB
United Kingdom
Prior art keywords
linearising
frequency
application
radio altimeter
modulation ramp
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 - Fee Related
Application number
GB9511805A
Other versions
GB2372649A (en
GB9511805D0 (en
Inventor
Gouy Jean-Luc De
Marc Chelouche
Lionel Fousset
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 to FR9206833A priority Critical patent/FR2754604B1/en
Priority claimed from FR9206833A external-priority patent/FR2754604B1/en
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Priority to GB9511805A priority patent/GB2372649B/en
Priority to US08/467,786 priority patent/US6384770B1/en
Priority to DE19523693A priority patent/DE19523693B4/en
Publication of GB9511805D0 publication Critical patent/GB9511805D0/en
Publication of GB2372649A publication Critical patent/GB2372649A/en
Application granted granted Critical
Publication of GB2372649B publication Critical patent/GB2372649B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S13/02—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
    • G01S13/345—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 triangular modulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
    • B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
    • B06B1/161—Adjustable systems, i.e. where amplitude or direction of frequency of vibration can be varied
    • B06B1/166—Where the phase-angle of masses mounted on counter-rotating shafts can be varied, e.g. variation of the vibration phase
    • 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
    • G01S7/4004—Means for monitoring or calibrating of parts of a radar system
    • G01S7/4008—Means for monitoring or calibrating of parts of a radar system of transmitters
    • 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
    • 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
    • G01S7/35—Details of non-pulse systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB9511805A 1992-06-05 1995-06-09 "A linearising device for a frequency-modulation ramp and its application to a radio altimeter" Expired - Fee Related GB2372649B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9206833A FR2754604B1 (en) 1992-06-05 1992-06-05 DEVICE FOR LINEARIZING A FREQUENCY MODULATION RAMP AND ITS APPLICATION TO A RADIO-ALTIMETER
GB9511805A GB2372649B (en) 1992-06-05 1995-06-09 "A linearising device for a frequency-modulation ramp and its application to a radio altimeter"
US08/467,786 US6384770B1 (en) 1992-06-05 1995-06-21 Linearizing device for a frequency-modulation ramp and its application to a radio altimeter
DE19523693A DE19523693B4 (en) 1992-06-05 1995-07-03 Device for linearizing a frequency modulation ramp and its use in a radio altimeter

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9206833A FR2754604B1 (en) 1992-06-05 1992-06-05 DEVICE FOR LINEARIZING A FREQUENCY MODULATION RAMP AND ITS APPLICATION TO A RADIO-ALTIMETER
GB9511805A GB2372649B (en) 1992-06-05 1995-06-09 "A linearising device for a frequency-modulation ramp and its application to a radio altimeter"
US08/467,786 US6384770B1 (en) 1992-06-05 1995-06-21 Linearizing device for a frequency-modulation ramp and its application to a radio altimeter
DE19523369 1995-06-29

Publications (3)

Publication Number Publication Date
GB9511805D0 GB9511805D0 (en) 2002-05-08
GB2372649A GB2372649A (en) 2002-08-28
GB2372649B true GB2372649B (en) 2002-12-31

Family

ID=27438142

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9511805A Expired - Fee Related GB2372649B (en) 1992-06-05 1995-06-09 "A linearising device for a frequency-modulation ramp and its application to a radio altimeter"

Country Status (1)

Country Link
GB (1) GB2372649B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7295151B2 (en) * 2005-12-19 2007-11-13 Honeywell International Inc. Systems and methods for self-test of a radar altimeter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503433A (en) * 1980-12-12 1985-03-05 U.S. Philips Corporation Range measurement by means of frequency modulated continuous wave radar
GB2247368A (en) * 1990-08-25 1992-02-26 Roke Manor Research Phase modulation signal generator
GB2253958A (en) * 1991-03-22 1992-09-23 Marconi Gec Ltd Frequency control circuitry

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503433A (en) * 1980-12-12 1985-03-05 U.S. Philips Corporation Range measurement by means of frequency modulated continuous wave radar
GB2247368A (en) * 1990-08-25 1992-02-26 Roke Manor Research Phase modulation signal generator
GB2253958A (en) * 1991-03-22 1992-09-23 Marconi Gec Ltd Frequency control circuitry

Also Published As

Publication number Publication date
GB2372649A (en) 2002-08-28
GB9511805D0 (en) 2002-05-08

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20090903 AND 20090909

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100609