GB1109710A - Self-calibrating, self-testing radio altimeter - Google Patents

Self-calibrating, self-testing radio altimeter

Info

Publication number
GB1109710A
GB1109710A GB54888/66A GB5488866A GB1109710A GB 1109710 A GB1109710 A GB 1109710A GB 54888/66 A GB54888/66 A GB 54888/66A GB 5488866 A GB5488866 A GB 5488866A GB 1109710 A GB1109710 A GB 1109710A
Authority
GB
United Kingdom
Prior art keywords
signal
frequency
output
comparator
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
GB54888/66A
Other languages
English (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.)
Bendix Corp
Original Assignee
Bendix 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 Bendix Corp filed Critical Bendix Corp
Publication of GB1109710A publication Critical patent/GB1109710A/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
    • G01S13/02—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
    • 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
    • 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
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4004—Means for monitoring or calibrating of parts of a radar system
    • G01S7/4021—Means for monitoring or calibrating of parts of a radar system of receivers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB54888/66A 1966-01-26 1966-12-08 Self-calibrating, self-testing radio altimeter Expired GB1109710A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US523201A US3341849A (en) 1966-01-26 1966-01-26 Self-calibrating, self-testing radio altimeter

Publications (1)

Publication Number Publication Date
GB1109710A true GB1109710A (en) 1968-04-10

Family

ID=24084054

Family Applications (1)

Application Number Title Priority Date Filing Date
GB54888/66A Expired GB1109710A (en) 1966-01-26 1966-12-08 Self-calibrating, self-testing radio altimeter

Country Status (4)

Country Link
US (1) US3341849A (US08197722-20120612-C00093.png)
BE (1) BE692229A (US08197722-20120612-C00093.png)
FR (1) FR1509252A (US08197722-20120612-C00093.png)
GB (1) GB1109710A (US08197722-20120612-C00093.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3342057A1 (de) * 1983-11-22 1985-05-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Regelung der linearitaet
DE3830992A1 (de) * 1988-09-12 1990-03-22 Messerschmitt Boelkow Blohm Radarhoehenmesser
US8191409B2 (en) 2009-07-06 2012-06-05 Rolls-Royce Plc Valve failure detection

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3403398A (en) * 1967-06-01 1968-09-24 Collins Radio Co Double bounce second signal return filter corrected fmcw radio altimeter
US3544996A (en) * 1969-02-10 1970-12-01 Bendix Corp Radar system incorporating calibration means
CA911023A (en) * 1970-09-08 1972-09-26 Rauch Sol Pseudo-randomly phase modulated radar altimeter
GB1432541A (en) * 1972-05-30 1976-04-22 Secr Defence Phase modulation apparatus
GB1589047A (en) * 1977-05-26 1981-05-07 Rockwell International Corp Method and apparatus for automatically calibrating a radio altimeter
FR2424544A1 (fr) * 1978-04-25 1979-11-23 Int Standard Electric Corp Systeme radar a pseudo-bruit
US4427981A (en) * 1981-09-28 1984-01-24 The Bendix Corporation Tracking filter for radio altimeter
US4468638A (en) * 1982-02-11 1984-08-28 The Bendix Corporation Linear sweep frequency modulator for FM/CW radio altimeter
US4539565A (en) * 1982-08-16 1985-09-03 The Boeing Company FM/CW radar linearization network and method therefor
US4593287A (en) * 1982-09-30 1986-06-03 The Boeing Company FM/CW sweep linearizer and method therefor
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
US4692766A (en) * 1985-09-25 1987-09-08 Rolfs John C Linearizer frequency discriminator for frequency modulated radar transmitters
US5081461A (en) * 1990-04-30 1992-01-14 Raytheon Company Correlation detector for FM signals
GB2246042A (en) * 1990-07-11 1992-01-15 Philips Electronic Associated Fmcw radar linearizer.
FR2668611A1 (fr) * 1990-10-26 1992-04-30 Thomson Applic Radars Centre Procede et dispositif haute precision de mesure dynamique de la linearite effective d'une modulation lineaire de frequence.
US7446697B2 (en) * 2007-01-16 2008-11-04 Honeywell International Inc. Method and system for calibrating radar altimeters
CN106289316B (zh) * 2016-07-14 2018-12-18 电子科技大学 一种连续波无线电高度表测试装置
DE102017127416B4 (de) * 2016-12-16 2024-04-18 Infineon Technologies Ag Hf-empfänger mit eingebauter testfähigkeit
US11592550B2 (en) 2020-09-30 2023-02-28 Rockwell Collins, Inc. Low range altimeter active leakage cancellation
EP3982148A1 (en) * 2020-10-06 2022-04-13 Rohde & Schwarz GmbH & Co. KG Radar target simulator with continuous distance emulation and corresponding simulation method
US11662430B2 (en) * 2021-03-17 2023-05-30 Infineon Technologies Ag MmWave radar testing
CN113917470B (zh) * 2021-12-14 2022-06-17 成都锐芯盛通电子科技有限公司 一种高效率dbf雷达及标校方法
CN116660856B (zh) * 2023-08-02 2023-11-21 南京信息工程大学 一种基于5g时隙同步的外辐射源雷达信号处理方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1304656A (fr) * 1962-06-05 1962-09-28 Marconi Wireless Telegraph Co Perfectionnements aux systèmes de radar à impulsions
GB1043721A (en) * 1963-01-16 1966-09-28 Elliott Brothers London Ltd Improvements in or relating to distance measuring equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3342057A1 (de) * 1983-11-22 1985-05-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Regelung der linearitaet
DE3830992A1 (de) * 1988-09-12 1990-03-22 Messerschmitt Boelkow Blohm Radarhoehenmesser
US8191409B2 (en) 2009-07-06 2012-06-05 Rolls-Royce Plc Valve failure detection

Also Published As

Publication number Publication date
FR1509252A (fr) 1968-01-12
US3341849A (en) 1967-09-12
BE692229A (US08197722-20120612-C00093.png) 1967-06-16

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