CA3204420C - Radar device and radar system - Google Patents

Radar device and radar system Download PDF

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Publication number
CA3204420C
CA3204420C CA3204420A CA3204420A CA3204420C CA 3204420 C CA3204420 C CA 3204420C CA 3204420 A CA3204420 A CA 3204420A CA 3204420 A CA3204420 A CA 3204420A CA 3204420 C CA3204420 C CA 3204420C
Authority
CA
Canada
Prior art keywords
signal
transmission
antenna
transmission signal
radar device
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
CA3204420A
Other languages
English (en)
French (fr)
Other versions
CA3204420A1 (en
Inventor
Kentaro Isoda
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CA3204420A1 publication Critical patent/CA3204420A1/en
Application granted granted Critical
Publication of CA3204420C publication Critical patent/CA3204420C/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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/292—Extracting wanted echo-signals
    • G01S7/2921—Extracting wanted echo-signals based on data belonging to one radar period
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/282—Transmitters
    • 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
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/30—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using more than one pulse per radar period
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G01S7/038—Feedthrough nulling circuits
    • 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
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
    • G01S7/0232—Avoidance by frequency multiplex
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
    • G01S7/0235—Avoidance by time multiplex

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)
CA3204420A 2021-03-15 2021-03-15 Radar device and radar system Active CA3204420C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/010366 WO2022195671A1 (ja) 2021-03-15 2021-03-15 レーダ装置、及びレーダシステム

Publications (2)

Publication Number Publication Date
CA3204420A1 CA3204420A1 (en) 2022-09-22
CA3204420C true CA3204420C (en) 2023-12-19

Family

ID=83320001

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3204420A Active CA3204420C (en) 2021-03-15 2021-03-15 Radar device and radar system

Country Status (5)

Country Link
US (1) US20230324507A1 (https=)
EP (1) EP4296709A4 (https=)
JP (1) JP7262697B2 (https=)
CA (1) CA3204420C (https=)
WO (1) WO2022195671A1 (https=)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL183210C (nl) * 1976-11-12 1988-08-16 Hollandse Signaalapparaten Bv Met twee soorten pulsen werkzaam radarsysteem.
JPS60189867U (ja) * 1984-05-25 1985-12-16 三菱電機株式会社 レ−ダ装置
JPH0336984U (https=) * 1989-08-21 1991-04-10
JPH03180790A (ja) * 1989-12-08 1991-08-06 Mitsubishi Electric Corp レーダ装置
US5047778A (en) 1990-10-11 1991-09-10 The Boeing Company FMCW radar range tracker and method
JPH06317653A (ja) * 1993-05-10 1994-11-15 Mitsubishi Electric Corp レーダ装置
DE10213987A1 (de) * 2002-03-27 2003-10-16 Bosch Gmbh Robert Einrichtung für insbesondere bistatische Anwendungen
JP2007170846A (ja) 2005-12-19 2007-07-05 Toshiba Corp レーダ装置
US9086476B1 (en) * 2009-03-25 2015-07-21 Raytheon Company Method and apparatus for rejecting intermodulation products
US8855593B2 (en) * 2012-04-17 2014-10-07 Broadcom Corporation Saw-less receiver with notch at transmitter frequency

Also Published As

Publication number Publication date
JP7262697B2 (ja) 2023-04-21
EP4296709A4 (en) 2024-04-03
US20230324507A1 (en) 2023-10-12
EP4296709A1 (en) 2023-12-27
JPWO2022195671A1 (https=) 2022-09-22
WO2022195671A1 (ja) 2022-09-22
CA3204420A1 (en) 2022-09-22

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