JP7345703B2 - レーダ装置 - Google Patents

レーダ装置 Download PDF

Info

Publication number
JP7345703B2
JP7345703B2 JP2023509306A JP2023509306A JP7345703B2 JP 7345703 B2 JP7345703 B2 JP 7345703B2 JP 2023509306 A JP2023509306 A JP 2023509306A JP 2023509306 A JP2023509306 A JP 2023509306A JP 7345703 B2 JP7345703 B2 JP 7345703B2
Authority
JP
Japan
Prior art keywords
target
frequency
signal
measurement mode
distance
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
JP2023509306A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022203006A5 (https=
JPWO2022203006A1 (https=
Inventor
嵩浩 堀口
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 JPWO2022203006A1 publication Critical patent/JPWO2022203006A1/ja
Publication of JPWO2022203006A5 publication Critical patent/JPWO2022203006A5/ja
Application granted granted Critical
Publication of JP7345703B2 publication Critical patent/JP7345703B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G01S7/35—Details of non-pulse systems
    • G01S7/352—Receivers
    • G01S7/354—Extracting wanted echo-signals
    • 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
    • G01S13/34—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
    • 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
    • G01S13/583—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
    • G01S13/584—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets adapted for simultaneous range and velocity measurements
    • 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)
JP2023509306A 2021-03-25 2022-03-24 レーダ装置 Active JP7345703B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/JP2021/012652 WO2022201455A1 (ja) 2021-03-25 2021-03-25 レーダ装置
JPPCT/JP2021/012652 2021-03-25
PCT/JP2022/014039 WO2022203006A1 (ja) 2021-03-25 2022-03-24 レーダ装置

Publications (3)

Publication Number Publication Date
JPWO2022203006A1 JPWO2022203006A1 (https=) 2022-09-29
JPWO2022203006A5 JPWO2022203006A5 (https=) 2023-05-25
JP7345703B2 true JP7345703B2 (ja) 2023-09-15

Family

ID=83395476

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023509306A Active JP7345703B2 (ja) 2021-03-25 2022-03-24 レーダ装置

Country Status (5)

Country Link
US (1) US12504508B2 (https=)
JP (1) JP7345703B2 (https=)
CN (1) CN116997815A (https=)
DE (1) DE112022000734T5 (https=)
WO (2) WO2022201455A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115641729B (zh) * 2022-12-07 2023-09-22 创辉达设计股份有限公司 一种高速行驶车辆信息抽取方法及系统
WO2025013644A1 (ja) * 2023-07-11 2025-01-16 ソニーグループ株式会社 情報処理装置、レーダ装置及び情報処理方法
CN117310639A (zh) * 2023-09-05 2023-12-29 苏州承泰科技有限公司 一种应用于毫米波雷达的杂散识别方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013096903A (ja) 2011-11-02 2013-05-20 Denso Corp レーダ装置
US20150002332A1 (en) 2013-06-28 2015-01-01 Robert Bosch Gmbh Radar sensor and method for operating a radar sensor
JP2017090143A (ja) 2015-11-06 2017-05-25 富士通テン株式会社 レーダ装置、レーダ装置用の信号処理装置及び信号処理方法
JP2019184370A (ja) 2018-04-06 2019-10-24 株式会社Ｓｏｋｅｎ レーダシステム
WO2020165952A1 (ja) 2019-02-12 2020-08-20 三菱電機株式会社 レーダ装置、観測対象検出方法及び車載装置
JP6797334B1 (ja) 2020-02-21 2020-12-09 三菱電機株式会社 レーダ装置、観測対象検出方法および車載装置

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10232281A (ja) * 1997-02-20 1998-09-02 Matsushita Electric Ind Co Ltd Ｆｍｃｗレーダ装置
US8311074B2 (en) * 2000-10-10 2012-11-13 Freescale Semiconductor, Inc. Low power, high resolution timing generator for ultra-wide bandwidth communication systems
US6711219B2 (en) * 2000-12-04 2004-03-23 Tensorcomm, Incorporated Interference cancellation in a signal
US6492938B1 (en) * 2002-02-11 2002-12-10 Delphi Technologies, Inc. Method of associating target data in a multi-slope FMCW radar system
US6606052B1 (en) * 2002-03-07 2003-08-12 Visteon Global Technologies, Inc. Method and apparatus for detecting multiple objects with frequency modulated continuous wave radar
DE102004047176A1 (de) * 2004-09-29 2006-04-13 Robert Bosch Gmbh Radarsystem für Kraftfahrzeuge
JP2010038705A (ja) * 2008-08-05 2010-02-18 Fujitsu Ten Ltd 信号処理装置、レーダ装置、車両制御装置、及び信号処理方法
PL2384448T3 (pl) * 2009-01-31 2014-03-31 Elbit Systems Land & C4I Ltd Niskoenergetyczny system radarowy
DE102013200404A1 (de) 2013-01-14 2014-07-31 Robert Bosch Gmbh Verfahren zur zyklischen Messung von Abständen und Geschwindigkeiten von Objekten mit einem FMCW-Radarsensor
KR102144668B1 (ko) * 2013-11-05 2020-08-14 현대모비스 주식회사 가변 파형을 이용하여 허위 타켓 판별하는 차량용 레이더 및 이를 이용한 허위 타겟 판별 방법
DE102014212390A1 (de) 2014-06-27 2015-12-31 Robert Bosch Gmbh Verfahren zur Objektortung mit einem FMCW-Radar
EP3098623A1 (en) * 2015-05-25 2016-11-30 Autoliv Development AB A vehicle radar system
KR20170068950A (ko) * 2015-12-10 2017-06-20 김영욱 Fmcw 레이더 및 이를 이용한 fmcw 레이더의 간섭 회피 방법
US20180095163A1 (en) * 2016-10-03 2018-04-05 John Lovberg Phase-modulated continuous wave radar system (with prbs codes)
KR102550832B1 (ko) * 2017-02-24 2023-07-03 아스틱스 게엠베하 편광측정 레이더 데이터를 이용한 물체 분류 방법 및 그에 적합한 장치
JP6952567B2 (ja) 2017-10-17 2021-10-20 株式会社デンソーテン レーダ装置及び信号処理方法
DE102018106858A1 (de) * 2018-03-22 2019-09-26 Infineon Technologies Ag Fmcw-radar mit zusätzlicher am zur störungsdetektion
JP6771699B2 (ja) * 2018-05-23 2020-10-21 三菱電機株式会社 レーダ装置
US10404261B1 (en) * 2018-06-01 2019-09-03 Yekutiel Josefsberg Radar target detection system for autonomous vehicles with ultra low phase noise frequency synthesizer
US11500062B2 (en) * 2018-06-18 2022-11-15 DSCG Solutions, Inc. Acceleration-based fast SOI processing
CN112534298A (zh) * 2018-08-07 2021-03-19 株式会社村田制作所 雷达装置
DE102018127947B3 (de) * 2018-11-08 2020-03-19 Infineon Technologies Ag Mimo fmcw radarsystem
JP6987300B2 (ja) * 2019-04-04 2021-12-22 三菱電機株式会社 レーダ装置、信号処理方法及び車載装置
CN110632587A (zh) * 2019-10-10 2019-12-31 南京凌云科技发展有限公司 一种基于快速fmcw雷达的弱运动物体监测方法
US20210208272A1 (en) * 2020-01-06 2021-07-08 Tal Lavian Radar target detection system for autonomous vehicles with ultra-low phase-noise frequency synthesizer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013096903A (ja) 2011-11-02 2013-05-20 Denso Corp レーダ装置
US20150002332A1 (en) 2013-06-28 2015-01-01 Robert Bosch Gmbh Radar sensor and method for operating a radar sensor
JP2017090143A (ja) 2015-11-06 2017-05-25 富士通テン株式会社 レーダ装置、レーダ装置用の信号処理装置及び信号処理方法
JP2019184370A (ja) 2018-04-06 2019-10-24 株式会社Ｓｏｋｅｎ レーダシステム
WO2020165952A1 (ja) 2019-02-12 2020-08-20 三菱電機株式会社 レーダ装置、観測対象検出方法及び車載装置
JP6797334B1 (ja) 2020-02-21 2020-12-09 三菱電機株式会社 レーダ装置、観測対象検出方法および車載装置

Also Published As

Publication number Publication date
DE112022000734T5 (de) 2023-11-16
CN116997815A (zh) 2023-11-03
US20230350012A1 (en) 2023-11-02
WO2022201455A1 (ja) 2022-09-29
JPWO2022203006A1 (https=) 2022-09-29
US12504508B2 (en) 2025-12-23
WO2022203006A1 (ja) 2022-09-29

Similar Documents

Publication Publication Date Title
JP7345703B2 (ja) レーダ装置
EP1757953B1 (en) FM-CW radar system
US6888494B2 (en) FMCW radar system
CN102565780B (zh) 确定峰值检测阈值的方法和对象信息产生装置
US7791532B2 (en) Radar
JP3489514B2 (ja) Ｆｍｃｗレーダ装置
US7714771B2 (en) Method and device for measuring the distance and relative speed of multiple objects
US7843381B2 (en) Radar device
JP5693906B2 (ja) レーダ装置
JPWO2006123499A1 (ja) レーダ
JP6797334B1 (ja) レーダ装置、観測対象検出方法および車載装置
JP5552212B2 (ja) レーダー装置
US20130088380A1 (en) Radar device
CN104614723A (zh) 利用可变波形判别虚假目标的车辆用雷达及其判别方法
KR102235571B1 (ko) 저가형 다중 레이다를 이용한 거리 해상도 향상 기법
JP2009014405A (ja) 車載用レーダ装置
JP7261302B2 (ja) レーダ装置
JP5564244B2 (ja) 観測信号処理装置
JPH04278487A (ja) 車両用レーダ装置
KR102126071B1 (ko) 레이더를 이용한 목표물 탐지 방법 및 장치
JP2007256095A (ja) 測定装置および方法
JP2022185771A (ja) 移動速度の検出装置および検出方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230328

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230328

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20230328

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230516

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230619

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20230808

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230905

R150 Certificate of patent or registration of utility model

Ref document number: 7345703

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150