CA1114480A - Methode et appareil d'etalonnage automatique de radio-altimetres - Google Patents

Methode et appareil d'etalonnage automatique de radio-altimetres

Info

Publication number
CA1114480A
CA1114480A CA304,243A CA304243A CA1114480A CA 1114480 A CA1114480 A CA 1114480A CA 304243 A CA304243 A CA 304243A CA 1114480 A CA1114480 A CA 1114480A
Authority
CA
Canada
Prior art keywords
signal
transmitted
frequency
altitude
difference
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
CA304,243A
Other languages
English (en)
Inventor
Robert J. Weber
Roy E. Robertson
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.)
Boeing North American Inc
Original Assignee
Rockwell International 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 Rockwell International Corp filed Critical Rockwell International Corp
Application granted granted Critical
Publication of CA1114480A publication Critical patent/CA1114480A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/08Systems for measuring distance only
    • G01S13/32Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34Systems 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
    • G01S13/345Systems 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40Means for monitoring or calibrating
    • G01S7/4052Means for monitoring or calibrating by simulation of echoes
    • G01S7/4056Means for monitoring or calibrating by simulation of echoes specially adapted to FMCW

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)
  • Radar Systems Or Details Thereof (AREA)
CA304,243A 1977-05-26 1978-05-25 Methode et appareil d'etalonnage automatique de radio-altimetres Expired CA1114480A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80068477A 1977-05-26 1977-05-26
US800,684 1977-05-26

Publications (1)

Publication Number Publication Date
CA1114480A true CA1114480A (fr) 1981-12-15

Family

ID=25179086

Family Applications (1)

Application Number Title Priority Date Filing Date
CA304,243A Expired CA1114480A (fr) 1977-05-26 1978-05-25 Methode et appareil d'etalonnage automatique de radio-altimetres

Country Status (3)

Country Link
CA (1) CA1114480A (fr)
FR (1) FR2392396A1 (fr)
GB (1) GB1589047A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030053A1 (fr) * 1979-11-30 1981-06-10 The Boeing Company Simulateur de radio-altimètre à faible portée utilisable pour les avions
FR2569857B1 (fr) * 1982-10-13 1988-05-13 Trt Telecom Radio Electr Simulateur de retard variable electriquement pour appareil de mesure de distance a onde continue modulee en frequence
FR2573217B1 (fr) * 1984-11-13 1987-01-23 Trt Telecom Radio Electr Simulateur de retards pour appareil de mesure de distance a onde continue modulee en frequence
DE3830992A1 (de) * 1988-09-12 1990-03-22 Messerschmitt Boelkow Blohm Radarhoehenmesser
JP2003232851A (ja) * 2002-02-08 2003-08-22 Murata Mfg Co Ltd レーダおよびその特性調整方法
GB0506209D0 (en) * 2005-03-29 2005-05-04 Qinetiq Ltd Coherent frequency modulated continuous wave radar

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3340529A (en) * 1963-06-11 1967-09-05 Sanders Associates Inc Fm altimeter with reduced step error
US3341849A (en) * 1966-01-26 1967-09-12 Bendix Corp Self-calibrating, self-testing radio altimeter
US3403398A (en) * 1967-06-01 1968-09-24 Collins Radio Co Double bounce second signal return filter corrected fmcw radio altimeter
GB1207565A (en) * 1968-07-11 1970-10-07 Standard Telephones Cables Ltd Radio altimeters
US4044355A (en) * 1973-11-20 1977-08-23 Saab-Scania Aktiebolag Measurement of contents of tanks etc. with microwave radiations

Also Published As

Publication number Publication date
FR2392396A1 (fr) 1978-12-22
FR2392396B1 (fr) 1984-04-20
GB1589047A (en) 1981-05-07

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Legal Events

Date Code Title Description
MKEX Expiry