CH497709A - Radio altimeter - Google Patents

Radio altimeter

Info

Publication number
CH497709A
CH497709A CH1045269A CH1045269A CH497709A CH 497709 A CH497709 A CH 497709A CH 1045269 A CH1045269 A CH 1045269A CH 1045269 A CH1045269 A CH 1045269A CH 497709 A CH497709 A CH 497709A
Authority
CH
Switzerland
Prior art keywords
radio altimeter
altimeter
radio
Prior art date
Application number
CH1045269A
Other languages
German (de)
Inventor
Hammond Babb Alexander
Original Assignee
Int Standard Electric 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
Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of CH497709A publication Critical patent/CH497709A/en

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
    • 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
    • G01S7/406—Means for monitoring or calibrating by simulation of echoes using internally generated reference signals, e.g. via delay line, via RF or IF signal injection or via integrated reference reflector or transponder
    • G01S7/4065—Means for monitoring or calibrating by simulation of echoes using internally generated reference signals, e.g. via delay line, via RF or IF signal injection or via integrated reference reflector or transponder involving a delay line

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
CH1045269A 1968-07-11 1969-07-09 Radio altimeter CH497709A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33046/68A GB1207565A (en) 1968-07-11 1968-07-11 Radio altimeters

Publications (1)

Publication Number Publication Date
CH497709A true CH497709A (en) 1970-10-15

Family

ID=10347812

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1045269A CH497709A (en) 1968-07-11 1969-07-09 Radio altimeter

Country Status (5)

Country Link
BE (1) BE765118A (en)
CH (1) CH497709A (en)
DE (1) DE1935012C3 (en)
FR (1) FR2012752A1 (en)
GB (1) GB1207565A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4107681A (en) * 1977-05-26 1978-08-15 Rockwell International Corporation Method and apparatus for automatically adjusting the resolution of a radio altimeter over its operating altitude range
GB1589047A (en) * 1977-05-26 1981-05-07 Rockwell International Corp Method and apparatus for automatically calibrating a radio altimeter
US4468638A (en) * 1982-02-11 1984-08-28 The Bendix Corporation Linear sweep frequency modulator for FM/CW radio altimeter
CN102565768B (en) * 2011-12-29 2014-04-16 唐金元 Radio altitude signal simulator assembly based on surface acoustic wave delay lines
IL224819A (en) * 2013-02-20 2016-09-29 E Levy Raphael System and method for testing a frequency synthesizer
CN110873865B (en) * 2019-12-17 2023-03-21 陕西长岭电子科技有限责任公司 Vertical speed testing method of radio altimeter

Also Published As

Publication number Publication date
DE1935012C3 (en) 1975-07-17
BE765118A (en) 1971-10-01
DE1935012B2 (en) 1974-11-28
DE1935012A1 (en) 1970-02-26
GB1207565A (en) 1970-10-07
FR2012752A1 (en) 1970-03-20

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Legal Events

Date Code Title Description
PL Patent ceased