JPH0113073B2 - - Google Patents

Info

Publication number
JPH0113073B2
JPH0113073B2 JP57213858A JP21385882A JPH0113073B2 JP H0113073 B2 JPH0113073 B2 JP H0113073B2 JP 57213858 A JP57213858 A JP 57213858A JP 21385882 A JP21385882 A JP 21385882A JP H0113073 B2 JPH0113073 B2 JP H0113073B2
Authority
JP
Japan
Prior art keywords
frequency
solid
mixer
doppler radar
doppler
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
JP57213858A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58113775A (ja
Inventor
Kenji Sekine
Yoichi Kaneko
Yukitsugu Fukumori
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.)
Hitachi Ltd
Nissan Motor Co Ltd
Original Assignee
Hitachi Ltd
Nissan Motor 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 Hitachi Ltd, Nissan Motor Co Ltd filed Critical Hitachi Ltd
Priority to JP57213858A priority Critical patent/JPS58113775A/ja
Publication of JPS58113775A publication Critical patent/JPS58113775A/ja
Publication of JPH0113073B2 publication Critical patent/JPH0113073B2/ja
Granted 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
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds

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)
JP57213858A 1982-12-08 1982-12-08 ドップラ−レ−ダ装置 Granted JPS58113775A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57213858A JPS58113775A (ja) 1982-12-08 1982-12-08 ドップラ−レ−ダ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57213858A JPS58113775A (ja) 1982-12-08 1982-12-08 ドップラ−レ−ダ装置

Publications (2)

Publication Number Publication Date
JPS58113775A JPS58113775A (ja) 1983-07-06
JPH0113073B2 true JPH0113073B2 (enrdf_load_stackoverflow) 1989-03-03

Family

ID=16646180

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57213858A Granted JPS58113775A (ja) 1982-12-08 1982-12-08 ドップラ−レ−ダ装置

Country Status (1)

Country Link
JP (1) JPS58113775A (enrdf_load_stackoverflow)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5169387A (ja) * 1974-12-12 1976-06-15 Matsushita Electric Ind Co Ltd Dotsuburareedakyorienzanhoshiki
JPS6038669B2 (ja) * 1975-11-18 1985-09-02 日本電気株式会社 干渉妨害回避レーダ装置
JPS5324797A (en) * 1976-08-20 1978-03-07 Toshiba Corp Radar apparatus
JPS5331992A (en) * 1976-09-06 1978-03-25 Yaskawa Denki Seisakusho Kk Distance measuring device
JPS53112092A (en) * 1977-03-11 1978-09-30 Fujitsu Ltd Frequency modulated carrier wave radar unit

Also Published As

Publication number Publication date
JPS58113775A (ja) 1983-07-06

Similar Documents

Publication Publication Date Title
US5966090A (en) Differential pulse radar motion sensor
US5973636A (en) Radar apparatus with a simplified construction
US5381153A (en) Portable FM-CW radar device with frequency conversion by first and second frequencies
US6097331A (en) FM-CW radar system for measuring distance to and relative speed of target
JPS59157581A (ja) Ｆｍ／ｃｗレ−ダ装置
US4316173A (en) Doppler radar vehicle speed sensing system including means for checking system operation based on the detection of low frequency Doppler frequency components
US3659293A (en) Range-detecting doppler radar
JPH10505670A (ja) レンジ感度補償を行うレンジ・ゲート制御形のフィールド外乱センサ
KR100751065B1 (ko) Ｒｆ 송수신 모듈 및 이를 이용한 밀리미터파 ｆｍｃｗ레이더 센서
JPH0566991B2 (enrdf_load_stackoverflow)
EP0543431B1 (en) Self-oscillating mixer circuits, and FMCW radar
JP2612429B2 (ja) レーダ装置
US6839019B2 (en) Pulse radar device
JPH0113073B2 (enrdf_load_stackoverflow)
US6577270B2 (en) Radar transceiver
US4310842A (en) Pulsed Doppler radar system
JP3142030B2 (ja) Ｆｍ−ｃｗ送受信機
US7515093B2 (en) Active antenna radar system
KR19990043900A (ko) 마이크로 스트립 액티브 안테나를 이용한 전파식 근접감지시스템
JP2517876Y2 (ja) ホモダイン方式電波測距装置
KR100219393B1 (ko) 신관의 송수신장치에 사용하기 위한 변조신호 발생회로
JP3331510B2 (ja) 地中埋設物探査装置
JP2006015792A (ja) タイヤ情報検出装置
JPH0740320B2 (ja) 車両感知装置
JPH0372286A (ja) 遅延形周波数変調連続波方式のドップラレーダ装置