GB1535675A - Radio range-measuring apparatus - Google Patents

Radio range-measuring apparatus

Info

Publication number
GB1535675A
GB1535675A GB9876/77A GB987677A GB1535675A GB 1535675 A GB1535675 A GB 1535675A GB 9876/77 A GB9876/77 A GB 9876/77A GB 987677 A GB987677 A GB 987677A GB 1535675 A GB1535675 A GB 1535675A
Authority
GB
United Kingdom
Prior art keywords
signal
phase
fed
error signal
frequency
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
GB9876/77A
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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Publication of GB1535675A publication Critical patent/GB1535675A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • 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
    • G01S13/341—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 wherein the rate of change of the transmitted frequency is adjusted to give a beat of predetermined constant frequency, e.g. by adjusting the amplitude or frequency of the frequency-modulating 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

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)
GB9876/77A 1976-03-12 1977-03-09 Radio range-measuring apparatus Expired GB1535675A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7607058A FR2344031A1 (fr) 1976-03-12 1976-03-12 Appareil a modulation de frequence destine a des mesures de distance de haute precision

Publications (1)

Publication Number Publication Date
GB1535675A true GB1535675A (en) 1978-12-13

Family

ID=9170303

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9876/77A Expired GB1535675A (en) 1976-03-12 1977-03-09 Radio range-measuring apparatus

Country Status (5)

Country Link
US (1) US4107679A (enExample)
JP (1) JPS52129458A (enExample)
DE (1) DE2710841A1 (enExample)
FR (1) FR2344031A1 (enExample)
GB (1) GB1535675A (enExample)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200871A (en) * 1977-06-29 1980-04-29 Sperry Corporation Acquisition system for continuous-wave frequency modulation object detector
FR2425764A1 (fr) * 1978-05-11 1979-12-07 Trt Telecom Radio Electr Dispositif pour engendrer un signal module en frequence et appareil radioaltimetrique comportant un tel dispositif
FR2445535A1 (fr) * 1978-12-26 1980-07-25 Trt Telecom Radio Electr Appareil de mesure de distance a emission continue modulee en frequence avec une linearite amelioree
FR2477283A1 (fr) * 1980-03-03 1981-09-04 Trt Telecom Radio Electr Dispositif de radar destine notamment a mesurer par rapport a lui la vitesse v d'un objet
FR2502340A1 (fr) * 1981-03-18 1982-09-24 Trt Telecom Radio Electr Dispositif de radar destine notamment a mesurer par rapport a lui la vitesse v d'un objet
CA1341378C (en) * 1984-07-16 2002-07-23 Richard W. Burrier Apparatus and method for frequency modulation
US4568938A (en) * 1981-12-14 1986-02-04 Rockwell International Corporation Radar altimeter nearest return tracking
US4468638A (en) * 1982-02-11 1984-08-28 The Bendix Corporation Linear sweep frequency modulator for FM/CW radio altimeter
US4599618A (en) * 1982-07-26 1986-07-08 Rockwell International Corporation Nearest return tracking in an FMCW system
DE3342057A1 (de) * 1983-11-22 1985-05-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Regelung der linearitaet
FR2600778B1 (fr) * 1986-06-27 1988-09-02 Trt Telecom Radio Electr Dispositif radar pour mesurer la distance qui le separe d'une surface
US4806935A (en) * 1987-09-17 1989-02-21 Fosket Timothy G Closed loop velocity/altitude sensor for FM-CW doppler radars
US5115247A (en) * 1988-02-16 1992-05-19 Honeywell Inc. Frequency modulated, phase coded radar
DE3935829C2 (de) * 1989-10-27 1996-04-18 Daimler Benz Aerospace Ag Linearisierungsregelkreis
US5081461A (en) * 1990-04-30 1992-01-14 Raytheon Company Correlation detector for FM signals
DE4104792A1 (de) * 1991-02-16 1992-08-20 Bosch Gmbh Robert Fmcw-radarsystem mit linearer frequenzmodulation
JPH11512180A (ja) * 1995-09-07 1999-10-19 シーメンス アクチエンゲゼルシヤフト 距離測定装置
DE59813733D1 (de) 1997-02-28 2006-11-02 Siemens Ag Sensorsystem
JP2001524207A (ja) * 1997-02-28 2001-11-27 シーメンス アクチエンゲゼルシヤフト センサ装置作動方法とセンサ装置
DE19722180C2 (de) * 1997-05-27 1999-07-01 Siemens Ag Anordnung und Verfahren zur Abstands- oder Geschwindigkeitsmessung
DE19734713A1 (de) * 1997-08-11 1999-02-18 Mikrowellen Technologie Und Se Radar-Entfernungsmeßeinrichtung
KR100426862B1 (ko) * 1999-07-15 2004-04-13 주식회사 포스코 전압조정 오실레이터의 주파수 선형성 개선방법
JP2003294835A (ja) * 2002-04-01 2003-10-15 Murata Mfg Co Ltd レーダ
DE10314557A1 (de) * 2003-03-31 2004-10-28 Siemens Ag Kompakter Mikrowellen-Anstandsensor mit geringer Leistungsaufnahme durch Leistungsmessung an einem stimulierten Empfangsoszillator
US7333051B2 (en) * 2004-11-19 2008-02-19 Lockheed Martin Corporation Methods and devices for determining the linearity of signals
JP4407769B2 (ja) * 2006-12-11 2010-02-03 株式会社村田製作所 レーダ装置
JP2010237172A (ja) * 2009-03-31 2010-10-21 Toshiba Corp Ｆｍｃｗ信号生成回路
US8378879B2 (en) * 2009-06-18 2013-02-19 The Johns Hopkins University Apparatus and methods for remote detection of physiological changes
US8098193B2 (en) * 2009-11-05 2012-01-17 Honeywell International Inc. Digitally controlled UWB millimeter wave radar
JP6381656B2 (ja) 2014-10-03 2018-08-29 三菱電機株式会社 信号生成回路
CN104267385B (zh) * 2014-10-16 2016-09-21 中国科学院电子学研究所 具有预失真功能的线性调频信号发生器
JP7301766B2 (ja) * 2020-03-04 2023-07-03 株式会社東芝 位相補正装置、測距装置及び位相変動検出装置
JP7301771B2 (ja) * 2020-03-19 2023-07-03 株式会社東芝 位相補正装置、測距装置及び位相変動検出装置
EP3982148B1 (en) * 2020-10-06 2025-06-11 Rohde & Schwarz GmbH & Co. KG Radar target simulator with continuous distance emulation and corresponding simulation method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2779018A (en) * 1949-07-07 1957-01-22 Onera (Off Nat Aerospatiale) Electro-magnetic distance measuring device
US3229286A (en) * 1963-01-28 1966-01-11 Samuel James Fm cw distance measuring system
JPS4811642B1 (enExample) * 1966-11-19 1973-04-14
FR1557670A (enExample) * 1967-09-11 1969-02-21
JPS5197316A (en) * 1975-02-24 1976-08-26 Eiseitsushinniokeru shuhasudokihoshiki

Also Published As

Publication number Publication date
FR2344031B1 (enExample) 1978-08-25
DE2710841A1 (de) 1977-09-15
US4107679A (en) 1978-08-15
FR2344031A1 (fr) 1977-10-07
JPS52129458A (en) 1977-10-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960309