JP7835767B2 - 信号処理装置、音波システム、及び車両 - Google Patents

信号処理装置、音波システム、及び車両

Info

Publication number
JP7835767B2
JP7835767B2 JP2023543720A JP2023543720A JP7835767B2 JP 7835767 B2 JP7835767 B2 JP 7835767B2 JP 2023543720 A JP2023543720 A JP 2023543720A JP 2023543720 A JP2023543720 A JP 2023543720A JP 7835767 B2 JP7835767 B2 JP 7835767B2
Authority
JP
Japan
Prior art keywords
signal
chirp
chirp signal
unit
timing
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
JP2023543720A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023026666A5 (https=
JPWO2023026666A1 (https=
Inventor
尚吾 ▲高▼村
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.)
Rohm Co Ltd
Original Assignee
Rohm 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 Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of JPWO2023026666A1 publication Critical patent/JPWO2023026666A1/ja
Publication of JPWO2023026666A5 publication Critical patent/JPWO2023026666A5/ja
Application granted granted Critical
Publication of JP7835767B2 publication Critical patent/JP7835767B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06Systems determining the position data of a target
    • G01S15/08Systems for measuring distance only
    • G01S15/32Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06Systems determining the position data of a target
    • G01S15/08Systems for measuring distance only
    • G01S15/10Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/102Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
    • G01S15/104Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50Systems of measurement, based on relative movement of the target
    • G01S15/58Velocity or trajectory determination systems; Sense-of-movement determination systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50Systems of measurement, based on relative movement of the target
    • G01S15/58Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/586Velocity 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/93Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523Details of pulse systems
    • G01S7/524Transmitters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523Details of pulse systems
    • G01S7/526Receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP2023543720A 2021-08-25 2022-06-24 信号処理装置、音波システム、及び車両 Active JP7835767B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021136761 2021-08-25
JP2021136761 2021-08-25
PCT/JP2022/025241 WO2023026666A1 (ja) 2021-08-25 2022-06-24 信号処理装置、音波システム、及び車両

Publications (3)

Publication Number Publication Date
JPWO2023026666A1 JPWO2023026666A1 (https=) 2023-03-02
JPWO2023026666A5 JPWO2023026666A5 (https=) 2024-05-20
JP7835767B2 true JP7835767B2 (ja) 2026-03-25

Family

ID=85322727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023543720A Active JP7835767B2 (ja) 2021-08-25 2022-06-24 信号処理装置、音波システム、及び車両

Country Status (4)

Country Link
US (1) US20240192362A1 (https=)
JP (1) JP7835767B2 (https=)
CN (1) CN117836664A (https=)
WO (1) WO2023026666A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020004609A1 (ja) 2018-06-28 2020-01-02 ローム株式会社 音波処理装置、および超音波システム
US20200209388A1 (en) 2018-12-26 2020-07-02 Texas Instruments Incorporated Ultrasonic echo processing in presence of doppler shift
JP2021004797A (ja) 2019-06-26 2021-01-14 株式会社Soken 物体検知装置および物体検知方法
WO2021130818A1 (ja) 2019-12-23 2021-07-01 三菱電機株式会社 検出装置、検出方法、及び、検出プログラム

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015172503A (ja) * 2014-03-11 2015-10-01 パナソニックIpマネジメント株式会社 物体検知装置
KR102488038B1 (ko) * 2015-11-19 2023-01-13 주식회사 에이치엘클레무브 차량용 레이더 장치 및 그의 타겟 결정 방법
KR101760907B1 (ko) * 2015-11-20 2017-07-24 주식회사 만도 차량용 레이더 장치 및 그의 타겟 측정 방법
CN112204421B (zh) * 2018-06-07 2023-06-16 三菱电机株式会社 雷达装置、控制电路以及程序存储介质
CN112219128B (zh) * 2018-06-07 2024-08-06 三菱电机株式会社 雷达装置、雷达装置的故障检测方法和雷达装置的运用方法
JP7167495B2 (ja) * 2018-06-12 2022-11-09 株式会社アイシン 物体検知装置および物体検知システム
JP7652527B2 (ja) * 2018-11-16 2025-03-27 株式会社アイシン 距離検出装置および物体検出装置
CN113631945A (zh) * 2019-03-20 2021-11-09 京瓷株式会社 电子设备、电子设备的控制方法以及电子设备的控制程序
WO2021210489A1 (ja) * 2020-04-17 2021-10-21 株式会社村田製作所 レーダ装置、車両、及び到来波数推定方法
WO2021210465A1 (ja) * 2020-04-17 2021-10-21 株式会社村田製作所 レーダ装置、車両、距離測定方法
JP7700544B2 (ja) * 2021-07-07 2025-07-01 株式会社アイシン 物体検出システムおよび物体検出装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020004609A1 (ja) 2018-06-28 2020-01-02 ローム株式会社 音波処理装置、および超音波システム
US20200209388A1 (en) 2018-12-26 2020-07-02 Texas Instruments Incorporated Ultrasonic echo processing in presence of doppler shift
JP2021004797A (ja) 2019-06-26 2021-01-14 株式会社Soken 物体検知装置および物体検知方法
WO2021130818A1 (ja) 2019-12-23 2021-07-01 三菱電機株式会社 検出装置、検出方法、及び、検出プログラム

Also Published As

Publication number Publication date
US20240192362A1 (en) 2024-06-13
WO2023026666A1 (ja) 2023-03-02
CN117836664A (zh) 2024-04-05
JPWO2023026666A1 (https=) 2023-03-02

Similar Documents

Publication Publication Date Title
CN209894972U (zh) 声学距离测量电路
CN105474039B (zh) 用于运行车辆的周围环境检测系统的方法
CN111413699B (zh) 用于低频调制(lfm)啁啾信号的声学距离测量电路和方法
US11644555B2 (en) Threshold generation for coded ultrasonic sensing
CN112912761B (zh) 存在多普勒频移时的超声回波处理
US11982740B2 (en) Motion-compensated distance sensing with concurrent up-chirp down-chirp waveforms
CN114646963A (zh) 用于声换能器的控制器、停车辅助控制系统和操作基于压电的传感器的方法
JP7835767B2 (ja) 信号処理装置、音波システム、及び車両
US20250067870A1 (en) Acoustic sensing of proximate obstacles
US20240329240A1 (en) Signal Processing Device, Sonic System and Vehicle
JP7835768B2 (ja) 信号処理装置、音波システム、及び車両
JP5784789B1 (ja) 車両用障害物検出装置
JP2023031336A (ja) 信号処理装置、音波システム、及び車両
WO2024180890A1 (ja) 信号処理装置、音波システム、及び車両
US20210318432A1 (en) Object detection device and object detection system
WO2022260031A1 (ja) 音波処理装置、および超音波システム
JP2020060410A (ja) 音波処理装置、および超音波システム
JP2024119191A (ja) 信号処理装置、音波システム、及び車両
JPWO2023026666A5 (https=)
US11899106B1 (en) Dual-channel acoustic distance measurement circuit and method
JP5469995B2 (ja) ドップラ計測器、ドップラ計測方法、潮流計、および潮流計測方法
KR102448004B1 (ko) 시간이 동기화된 자동차-디바이스 거리 측정 시스템
WO2023013285A1 (ja) 信号処理装置、超音波システム、及び車両
WO2022260032A1 (ja) 音波処理装置、および超音波システム
WO2023032474A1 (ja) 音波処理装置、および超音波システム

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240118

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250613

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20251209

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20260204

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: 20260217

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20260312

R150 Certificate of patent or registration of utility model

Ref document number: 7835767

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150