JPH0215038B2 - - Google Patents

Info

Publication number
JPH0215038B2
JPH0215038B2 JP22799382A JP22799382A JPH0215038B2 JP H0215038 B2 JPH0215038 B2 JP H0215038B2 JP 22799382 A JP22799382 A JP 22799382A JP 22799382 A JP22799382 A JP 22799382A JP H0215038 B2 JPH0215038 B2 JP H0215038B2
Authority
JP
Japan
Prior art keywords
signal
frequency
distance
wave
modulation
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
JP22799382A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59116073A (ja
Inventor
Michihiko Okamura
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.)
Tokyo Keiki Inc
Original Assignee
Tokyo Keiki Co Ltd
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 Tokyo Keiki Co Ltd filed Critical Tokyo Keiki Co Ltd
Priority to JP22799382A priority Critical patent/JPS59116073A/ja
Publication of JPS59116073A publication Critical patent/JPS59116073A/ja
Publication of JPH0215038B2 publication Critical patent/JPH0215038B2/ja
Granted 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
    • G01S13/36Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
    • G01S13/38Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal wherein more than one modulation frequency is used

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)
JP22799382A 1982-12-23 1982-12-23 電波測距方法及びその装置 Granted JPS59116073A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22799382A JPS59116073A (ja) 1982-12-23 1982-12-23 電波測距方法及びその装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22799382A JPS59116073A (ja) 1982-12-23 1982-12-23 電波測距方法及びその装置

Publications (2)

Publication Number Publication Date
JPS59116073A JPS59116073A (ja) 1984-07-04
JPH0215038B2 true JPH0215038B2 (en]) 1990-04-10

Family

ID=16869486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22799382A Granted JPS59116073A (ja) 1982-12-23 1982-12-23 電波測距方法及びその装置

Country Status (1)

Country Link
JP (1) JPS59116073A (en])

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62108175A (ja) * 1985-11-06 1987-05-19 Mitsubishi Electric Corp レ−ダ装置
DE102005007803A1 (de) * 2005-02-21 2006-08-24 Robert Bosch Gmbh Verfahren zur Detektion von in einem Medium eingeschlossenen Objekten sowie Messgerät zur Durchführung des Verfahrens
JP5552212B2 (ja) * 2008-02-14 2014-07-16 トヨタ自動車株式会社 レーダー装置
US8102261B2 (en) * 2008-07-17 2012-01-24 Honeywell International Inc. Microwave ranging sensor
US8159344B2 (en) 2008-10-28 2012-04-17 Honeywell International, Inc. Microwave motion detectors utilizing multi-frequency ranging and target angle detection

Also Published As

Publication number Publication date
JPS59116073A (ja) 1984-07-04

Similar Documents

Publication Publication Date Title
US4106020A (en) FM-CW Radar ranging system
US5115242A (en) In-furnace slag level measuring apparatus
US4079377A (en) FM-CW radar for range and relative speed determination
US4245221A (en) FM-CW Radar ranging system with automatic calibration
US2982956A (en) Radar system
US2837738A (en) Passive range measuring device
US4238795A (en) Microwave range measuring system for measuring the distance of an object
EP2444818B1 (en) A pulse-echo ranging system and method
US4435712A (en) FM-CW Radar ranging system with signal drift compensation
US4635060A (en) Coherent-on-receive radar with prephase correction circuit
US9134406B2 (en) Method and device for measuring a change in distance
US3611377A (en) Doppler radar with target velocity direction and range indicator utilizing variable delay line
US4065768A (en) Radar apparatus
US3112481A (en) Continuous wave frequency modulation distance measuring apparatus
JPH0215038B2 (en])
US4306236A (en) Ranging radar including a modulating reflector
EP0048170B1 (en) Radar ranging system
US2977589A (en) Electromagnetic detecting and tracking devices
US2931030A (en) Radar system
US3397398A (en) Doppler range measuring system
US3271766A (en) Continuous wave fm radar
JP2930740B2 (ja) サーボスロープ式fm−cwレーダ
US3217322A (en) F.m. radar system
US2562977A (en) Coarse and fine radar distance measuring system
KR100426863B1 (ko) 두 개이상의 기준선로를 사용한 마이크로파 거리 측정장치