CA1032255A - Method and system for measuring doppler frequency shift of an echo - Google Patents

Method and system for measuring doppler frequency shift of an echo

Info

Publication number
CA1032255A
CA1032255A CA218,085A CA218085A CA1032255A CA 1032255 A CA1032255 A CA 1032255A CA 218085 A CA218085 A CA 218085A CA 1032255 A CA1032255 A CA 1032255A
Authority
CA
Canada
Prior art keywords
echo
frequency shift
doppler frequency
measuring doppler
measuring
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
CA218,085A
Other languages
English (en)
French (fr)
Other versions
CA218085S (en
Inventor
Junichi Yamamoto
Mitsuo Makimoto
Sadahiko Yamashita
Yoshiharu Yano
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA1032255A publication Critical patent/CA1032255A/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
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/585—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
CA218,085A 1974-01-18 1975-01-17 Method and system for measuring doppler frequency shift of an echo Expired CA1032255A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49008896A JPS50104891A (da) 1974-01-18 1974-01-18

Publications (1)

Publication Number Publication Date
CA1032255A true CA1032255A (en) 1978-05-30

Family

ID=11705432

Family Applications (1)

Application Number Title Priority Date Filing Date
CA218,085A Expired CA1032255A (en) 1974-01-18 1975-01-17 Method and system for measuring doppler frequency shift of an echo

Country Status (6)

Country Link
US (1) US4016568A (da)
JP (1) JPS50104891A (da)
CA (1) CA1032255A (da)
DE (1) DE2500724C3 (da)
FR (1) FR2258638B1 (da)
GB (1) GB1482816A (da)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31851E (en) * 1977-08-04 1985-03-19 Dickey-John Corporation Signal processing system
US4359734A (en) * 1977-08-04 1982-11-16 Dickey-John Corporation Signal processing system
US4319245A (en) * 1980-05-29 1982-03-09 Rca Corporation Doppler signal processing apparatus
CH671639A5 (da) * 1986-10-24 1989-09-15 Bbc Brown Boveri & Cie
US7880618B2 (en) * 2007-03-28 2011-02-01 Round Rock Research, Llc Methods and systems of determining physical characteristics associated with objects tagged with RFID tags
US7859408B2 (en) * 2007-03-28 2010-12-28 Round Rock Research, Llc Methods and systems of determining physical characteristics associated with objects tagged with RFID tags
US20080280560A1 (en) * 2007-05-09 2008-11-13 Micron Technology, Inc. Method and system of placing a rfid tag in a continuous transmission mode
US7944356B2 (en) * 2007-10-04 2011-05-17 Round Rock Research, Llc Method and system to determine physical parameters as between an RFID tag and a reader
US7932814B2 (en) * 2007-10-04 2011-04-26 Round Rock Research, Llc Method and system to determine physical parameters as between a RFID tag and a reader
US8242888B2 (en) 2008-06-05 2012-08-14 Keystone Technology Solutions, Llc Systems and methods to determine motion parameters using RFID tags
US8461966B2 (en) 2008-06-05 2013-06-11 Micron Technology, Inc. Systems and methods to determine kinematical parameters using RFID tags
US8830062B2 (en) 2008-06-05 2014-09-09 Micron Technology, Inc. Systems and methods to use radar in RFID systems
WO2013082754A1 (en) * 2011-12-06 2013-06-13 Telefonaktiebolaget L M Ericsson (Publ) Doppler shift compensation apparatus and method
CN111631723A (zh) * 2020-05-22 2020-09-08 哈尔滨工程大学 一种基于信道状态信息的室内被动动态人体检测方法
CN113933587B (zh) * 2021-10-12 2023-01-31 湖南师范大学 一种基于北斗卫星的高精度多普勒频率测量系统及测量方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL75425C (da) * 1944-06-08
US3056128A (en) * 1955-03-07 1962-09-25 Gilfillan Bros Inc Velocity tracking system for increasing the range of acquisition of moving targets
US3034049A (en) * 1955-03-16 1962-05-08 Sperry Rand Corp Muzzle velocity chronograph
US3373428A (en) * 1965-07-28 1968-03-12 Atlas David Method and system for radar velocity measurements
US3365716A (en) * 1966-05-26 1968-01-23 Jorgensen Tage Doppler radar devices

Also Published As

Publication number Publication date
DE2500724A1 (de) 1975-07-31
GB1482816A (en) 1977-08-17
JPS50104891A (da) 1975-08-19
DE2500724B2 (de) 1978-06-22
FR2258638A1 (da) 1975-08-18
FR2258638B1 (da) 1978-02-03
US4016568A (en) 1977-04-05
DE2500724C3 (de) 1979-02-22

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