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GB2545678B - Method and apparatus for transmitting a continuous radar wave - Google Patents

Method and apparatus for transmitting a continuous radar wave Download PDF

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Publication number
GB2545678B
GB2545678B GB1522559.2A GB201522559A GB2545678B GB 2545678 B GB2545678 B GB 2545678B GB 201522559 A GB201522559 A GB 201522559A GB 2545678 B GB2545678 B GB 2545678B
Authority
GB
United Kingdom
Prior art keywords
transmitting
radar wave
continuous radar
continuous
wave
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.)
Active
Application number
GB1522559.2A
Other versions
GB201522559D0 (en
GB2545678A (en
Inventor
Caillerie Alain
Thoumy François
Jouade Antoine
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to GB1522559.2A priority Critical patent/GB2545678B/en
Publication of GB201522559D0 publication Critical patent/GB201522559D0/en
Publication of GB2545678A publication Critical patent/GB2545678A/en
Application granted granted Critical
Publication of GB2545678B publication Critical patent/GB2545678B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01S13/343—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 sawtooth 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
    • G01S13/36—Systems 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
    • G01S13/38—Systems 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
    • 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
    • G01S13/347—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 more than one modulation frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB1522559.2A 2015-12-21 2015-12-21 Method and apparatus for transmitting a continuous radar wave Active GB2545678B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1522559.2A GB2545678B (en) 2015-12-21 2015-12-21 Method and apparatus for transmitting a continuous radar wave

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1522559.2A GB2545678B (en) 2015-12-21 2015-12-21 Method and apparatus for transmitting a continuous radar wave

Publications (3)

Publication Number Publication Date
GB201522559D0 GB201522559D0 (en) 2016-02-03
GB2545678A GB2545678A (en) 2017-06-28
GB2545678B true GB2545678B (en) 2020-06-03

Family

ID=55311373

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1522559.2A Active GB2545678B (en) 2015-12-21 2015-12-21 Method and apparatus for transmitting a continuous radar wave

Country Status (1)

Country Link
GB (1) GB2545678B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116413676A (en) * 2021-12-29 2023-07-11 华为技术有限公司 A laser radar sending device, detection system and detection method

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695995A (en) * 1950-12-26 1954-11-30 Csf Radar with combined amplitude and frequency modulation to eliminate the echoes from the stationary objects
US4388622A (en) * 1981-04-15 1983-06-14 The United States Of America As Represented By The Secretary Of The Army Double sideband linear frequency modulation system for radar applications
US4389649A (en) * 1980-10-14 1983-06-21 The United States Army As Represented By The Secretary Of The Army Dual channel correlator for an FM-CW ranging radar
JPS63275976A (en) * 1987-05-07 1988-11-14 Nippon Denso Co Ltd Radar equipment
US5347283A (en) * 1989-06-14 1994-09-13 Hughes Aircraft Company Frequency agile radar
US20020190893A1 (en) * 2001-06-13 2002-12-19 Mitsubishi Denki Kabushiki Kaisha FM-CW radar apparatus
JP2004354175A (en) * 2003-05-28 2004-12-16 Matsushita Electric Works Ltd Distance measuring device between movable bodies
US20050099333A1 (en) * 2002-12-20 2005-05-12 Siemens Aktiengesellschaft Method for determining the distance between a base station and a mobile object, in addition to a base station and identification system for a method of this type
EP1764627A1 (en) * 2005-09-15 2007-03-21 Siemens Aktiengesellschaft Method and apparatus for distance determination between a RFID reader/writer and a mobile RFID data storage
DE102011051971A1 (en) * 2011-07-20 2013-01-24 Hella Kgaa Hueck & Co. Method for determining parameter for correlation of two objects, involves transmitting electromagnetic signals series with modulated frequencies, and transmitting another electromagnetic signals series with modulated frequencies

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695995A (en) * 1950-12-26 1954-11-30 Csf Radar with combined amplitude and frequency modulation to eliminate the echoes from the stationary objects
US4389649A (en) * 1980-10-14 1983-06-21 The United States Army As Represented By The Secretary Of The Army Dual channel correlator for an FM-CW ranging radar
US4388622A (en) * 1981-04-15 1983-06-14 The United States Of America As Represented By The Secretary Of The Army Double sideband linear frequency modulation system for radar applications
JPS63275976A (en) * 1987-05-07 1988-11-14 Nippon Denso Co Ltd Radar equipment
US5347283A (en) * 1989-06-14 1994-09-13 Hughes Aircraft Company Frequency agile radar
US20020190893A1 (en) * 2001-06-13 2002-12-19 Mitsubishi Denki Kabushiki Kaisha FM-CW radar apparatus
US20050099333A1 (en) * 2002-12-20 2005-05-12 Siemens Aktiengesellschaft Method for determining the distance between a base station and a mobile object, in addition to a base station and identification system for a method of this type
JP2004354175A (en) * 2003-05-28 2004-12-16 Matsushita Electric Works Ltd Distance measuring device between movable bodies
EP1764627A1 (en) * 2005-09-15 2007-03-21 Siemens Aktiengesellschaft Method and apparatus for distance determination between a RFID reader/writer and a mobile RFID data storage
DE102011051971A1 (en) * 2011-07-20 2013-01-24 Hella Kgaa Hueck & Co. Method for determining parameter for correlation of two objects, involves transmitting electromagnetic signals series with modulated frequencies, and transmitting another electromagnetic signals series with modulated frequencies

Also Published As

Publication number Publication date
GB201522559D0 (en) 2016-02-03
GB2545678A (en) 2017-06-28

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