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JPWO2022219911A1 - - Google Patents

Info

Publication number
JPWO2022219911A1
JPWO2022219911A1 JP2023514354A JP2023514354A JPWO2022219911A1 JP WO2022219911 A1 JPWO2022219911 A1 JP WO2022219911A1 JP 2023514354 A JP2023514354 A JP 2023514354A JP 2023514354 A JP2023514354 A JP 2023514354A JP WO2022219911 A1 JPWO2022219911 A1 JP WO2022219911A1
Authority
JP
Japan
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.)
Pending
Application number
JP2023514354A
Other versions
JPWO2022219911A5 (ja
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 filed Critical
Publication of JPWO2022219911A1 publication Critical patent/JPWO2022219911A1/ja
Publication of JPWO2022219911A5 publication Critical patent/JPWO2022219911A5/ja
Pending 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/491—Details of non-pulse systems
    • G01S7/4912—Receivers
    • G01S7/4917—Receivers superposing optical signals in a photodetector, e.g. optical heterodyne detection
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/34—Systems determining position data of a target 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
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50—Systems of measurement based on relative movement of target
    • G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • 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
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/491—Details of non-pulse systems
    • G01S7/4911—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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497—Means for monitoring or calibrating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/02—Details
    • G01C3/06—Use of electric means to obtain final indication
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
JP2023514354A 2021-04-15 2022-02-15 Pending JPWO2022219911A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021069037 2021-04-15
PCT/JP2022/005825 WO2022219911A1 (ja) 2021-04-15 2022-02-15 対象物の距離および／または速度を計測する装置および方法

Publications (2)

Publication Number Publication Date
JPWO2022219911A1 true JPWO2022219911A1 (ja) 2022-10-20
JPWO2022219911A5 JPWO2022219911A5 (ja) 2024-01-24

Family

ID=83639587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023514354A Pending JPWO2022219911A1 (ja) 2021-04-15 2022-02-15

Country Status (5)

Country Link
US (1) US20240004044A1 (ja)
EP (1) EP4325244A4 (ja)
JP (1) JPWO2022219911A1 (ja)
CN (1) CN117099015A (ja)
WO (1) WO2022219911A1 (ja)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007537426A (ja) * 2004-05-14 2007-12-20 カール・ツァイス・エスエムティー・アーゲー 光学素子の製造方法
GB0421520D0 (en) 2004-09-28 2004-10-27 Qinetiq Ltd Frequency modulated continuous wave (FMCW) radar having improved frquency sweep linearity
JP5946654B2 (ja) 2012-03-02 2016-07-06 株式会社トーメーコーポレーション 眼科装置
JP5773950B2 (ja) * 2012-06-08 2015-09-02 ムサシノ機器株式会社 液位測定装置およびそのｖｃｏキャリブレイション方法
JP5972203B2 (ja) 2013-03-25 2016-08-17 三菱電機株式会社 Ｆｍ−ｃｗレーダ装置
DE102014118862B4 (de) * 2014-12-17 2021-12-09 Endress+Hauser SE+Co. KG System zur Kalibrierung eines Abstandsmessgeräts
JP6303026B2 (ja) * 2015-11-13 2018-03-28 株式会社日立製作所 計測方法および装置
JP7074311B2 (ja) 2017-08-30 2022-05-24 国立研究開発法人産業技術総合研究所 光学的距離測定装置および測定方法
CN110446972B (zh) 2017-12-26 2023-11-10 松下知识产权经营株式会社 光扫描设备、光接收设备及光检测系统
US11500062B2 (en) * 2018-06-18 2022-11-15 DSCG Solutions, Inc. Acceleration-based fast SOI processing
JP6835919B2 (ja) * 2019-08-08 2021-02-24 株式会社日立製作所 距離計測システム、及び距離計測方法
US11874404B2 (en) * 2021-07-14 2024-01-16 Voyant Photonics, Inc. Multi-chirp pre-distorted laser linearization for FMCW LiDAR

Also Published As

Publication number Publication date
WO2022219911A1 (ja) 2022-10-20
CN117099015A (zh) 2023-11-21
EP4325244A4 (en) 2024-09-18
EP4325244A1 (en) 2024-02-21
US20240004044A1 (en) 2024-01-04

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Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231006