KR102352325B1 - 위상 인코딩 lidar에서의 내부 반사 감산을 위한 레이저 위상 추적 방법 및 시스템 - Google Patents

위상 인코딩 lidar에서의 내부 반사 감산을 위한 레이저 위상 추적 방법 및 시스템 Download PDF

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KR102352325B1
KR102352325B1 KR1020217010786A KR20217010786A KR102352325B1 KR 102352325 B1 KR102352325 B1 KR 102352325B1 KR 1020217010786 A KR1020217010786 A KR 1020217010786A KR 20217010786 A KR20217010786 A KR 20217010786A KR 102352325 B1 KR102352325 B1 KR 102352325B1
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signal
phase
optical
optical signals
signals
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KR20210043735A (ko
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스테픈 씨. 크로우치
에밀 카들렉
크리슈나 모한 루파바타람
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블랙모어 센서스 앤드 애널리틱스, 엘엘씨
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Assigned to 오로라 오퍼레이션스, 인크. reassignment 오로라 오퍼레이션스, 인크. 권리의 전부이전등록 Assignors: 블랙모어 센서스 앤드 애널리틱스, 엘엘씨
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    • 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
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
    • 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
    • G01S7/4802—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
    • 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
    • G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S17/26—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein the transmitted pulses use a frequency-modulated or phase-modulated carrier wave, e.g. for pulse compression of received 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
    • 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
    • G01S17/06—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
    • G01S17/36—Systems determining position data of a target 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
    • 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
    • G01S17/66—Tracking systems using electromagnetic waves other than radio waves
    • 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
    • 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
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • 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
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4816—Constructional features, e.g. arrangements of optical elements of receivers alone
    • 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
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/4861—Circuits for detection, sampling, integration or read-out
    • G01S7/4863—Detector arrays, e.g. charge-transfer gates
    • 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
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/487—Extracting wanted echo signals, e.g. pulse 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
    • 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
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/487—Extracting wanted echo signals, e.g. pulse detection
    • G01S7/4876—Extracting wanted echo signals, e.g. pulse detection by removing unwanted 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
    • 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
    • G01S7/4913—Circuits for detection, sampling, integration or read-out
    • G01S7/4914—Circuits for detection, sampling, integration or read-out of detector arrays, e.g. charge-transfer gates
    • 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
    • G01S7/4915—Time delay measurement, e.g. operational details for pixel components; Phase measurement
    • 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
    • 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
    • G01S7/495—Counter-measures or counter-counter-measures using electronic or electro-optical means
    • 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
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4812—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver transmitted and received beams following a coaxial path

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
KR1020217010786A 2018-11-13 2019-11-12 위상 인코딩 lidar에서의 내부 반사 감산을 위한 레이저 위상 추적 방법 및 시스템 Active KR102352325B1 (ko)

Priority Applications (1)

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KR1020217043304A KR102391143B1 (ko) 2018-11-13 2019-11-12 위상 인코딩 lidar에서의 내부 반사 감산을 위한 레이저 위상 추적 방법 및 시스템

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862760437P 2018-11-13 2018-11-13
US62/760,437 2018-11-13
US201862783749P 2018-12-21 2018-12-21
US62/783,749 2018-12-21
PCT/US2019/061022 WO2020102253A1 (en) 2018-11-13 2019-11-12 Method and system for laser phase tracking for internal reflection subtraction in phase-encoded lidar

Related Child Applications (1)

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KR1020217043304A Division KR102391143B1 (ko) 2018-11-13 2019-11-12 위상 인코딩 lidar에서의 내부 반사 감산을 위한 레이저 위상 추적 방법 및 시스템

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KR20210043735A KR20210043735A (ko) 2021-04-21
KR102352325B1 true KR102352325B1 (ko) 2022-01-14

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KR1020217010786A Active KR102352325B1 (ko) 2018-11-13 2019-11-12 위상 인코딩 lidar에서의 내부 반사 감산을 위한 레이저 위상 추적 방법 및 시스템
KR1020217043304A Active KR102391143B1 (ko) 2018-11-13 2019-11-12 위상 인코딩 lidar에서의 내부 반사 감산을 위한 레이저 위상 추적 방법 및 시스템

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Country Status (7)

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US (2) US10768282B2 (https=)
EP (2) EP3881096B1 (https=)
JP (4) JP7208388B2 (https=)
KR (2) KR102352325B1 (https=)
CN (2) CN118642069B (https=)
CA (2) CA3173997A1 (https=)
WO (1) WO2020102253A1 (https=)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11556000B1 (en) 2019-08-22 2023-01-17 Red Creamery Llc Distally-actuated scanning mirror
US12123950B2 (en) 2016-02-15 2024-10-22 Red Creamery, LLC Hybrid LADAR with co-planar scanning and imaging field-of-view
US12399278B1 (en) 2016-02-15 2025-08-26 Red Creamery Llc Hybrid LIDAR with optically enhanced scanned laser
US12399279B1 (en) 2016-02-15 2025-08-26 Red Creamery Llc Enhanced hybrid LIDAR with high-speed scanning
JP7208388B2 (ja) 2018-11-13 2023-01-18 ブラックモア センサーズ アンド アナリティクス エルエルシー 位相エンコーディングｌｉｄａｒにおける内部反射減算のためのレーザー位相追跡方法およびシステム
US10838061B1 (en) * 2019-07-16 2020-11-17 Blackmore Sensors & Analytics, LLC. Method and system for enhanced velocity resolution and signal to noise ratio in optical phase-encoded range detection
US11280909B2 (en) 2020-06-29 2022-03-22 Aurora Operations, Inc. Lidar transmit/receive system
US10948600B1 (en) * 2020-06-29 2021-03-16 Aurora Innovation, Inc. Systems and methods for IQ detection
US11415699B2 (en) 2020-06-29 2022-08-16 Aurora Operations, Inc. Lidar transmit/receive system
US11668805B2 (en) * 2020-09-04 2023-06-06 Ours Technology, Llc Multiple target LIDAR system
CA3200738A1 (en) * 2020-12-08 2022-06-16 Kyzyl HERZOG Method and system for simultaneous detection of signed doppler shifts and range measurements
DE102021113766B4 (de) 2021-05-27 2023-03-23 Bundesrepublik Deutschland, Vertreten Durch Das Bundesministerium Für Wirtschaft Und Energie, Dieses Vertreten Durch Den Präsidenten Der Physikalisch-Technischen Bundesanstalt Verfahren zur Messung der Geschwindigkeit eines Zielobjekts mittels LIDAR und LIDAR-System
WO2023124360A1 (zh) * 2021-12-30 2023-07-06 武汉万集光电技术有限公司 一种同轴收发激光雷达和光芯片
US11740337B1 (en) * 2022-08-15 2023-08-29 Aurora Operations, Inc. Light detection and ranging (lidar) sensor system including transceiver device
CN117713695A (zh) * 2022-09-06 2024-03-15 清华大学 信号检测方法和系统
CN115685235B (zh) * 2022-10-13 2024-05-03 南京工业大学 用于测量快速时变信号的光学相位追踪系统
DE102022133586A1 (de) * 2022-12-16 2024-06-27 Ams-Osram International Gmbh Optische messvorrichtung und verfahren
US20250253954A1 (en) * 2024-02-07 2025-08-07 Lumentum Operations Llc Effective ranging signal recovery from coherent iq receiver

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015129646A (ja) * 2014-01-06 2015-07-16 株式会社豊田中央研究所 レーダ装置および距離速度測定方法
JP2016065745A (ja) * 2014-09-24 2016-04-28 シャープ株式会社 レーザレーダ装置
US20180224547A1 (en) * 2017-02-03 2018-08-09 Blackmore Sensors and Analytics Inc. Method and system for doppler detection and doppler correction of optical phase-encoded range detection

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5325095A (en) * 1992-07-14 1994-06-28 The United States Of America As Represented By The United States Department Of Energy Stepped frequency ground penetrating radar
US6580497B1 (en) * 1999-05-28 2003-06-17 Mitsubishi Denki Kabushiki Kaisha Coherent laser radar apparatus and radar/optical communication system
JP2000338246A (ja) * 1999-05-28 2000-12-08 Mitsubishi Electric Corp コヒーレントレーザレーダ装置
JP2002093193A (ja) * 2000-09-13 2002-03-29 Advantest Corp メモリ試験方法・メモリ試験装置
JP3881313B2 (ja) 2001-05-11 2007-02-14 三菱電機株式会社 コヒーレントレーザレーダ装置
FR2850168B1 (fr) * 2003-01-21 2005-04-01 Cit Alcatel Procede de detection d'un signal lumineux, et chaine lidar
US20050270228A1 (en) * 2003-07-03 2005-12-08 Stephens Scott A Radar system for local positioning
WO2005010799A2 (en) * 2003-07-16 2005-02-03 Shrenik Deliwala Optical encoding and reconstruction
CN101354437B (zh) * 2003-12-02 2011-02-09 株式会社日立医药 超声波诊断装置
US7589666B2 (en) * 2004-12-30 2009-09-15 Vaisala, Inc. System and method for processing data in weather radar
US7950812B2 (en) * 2006-01-11 2011-05-31 Cubic Corporation Shutters for infra red communication at moderate bandwidths
US7544945B2 (en) * 2006-02-06 2009-06-09 Avago Technologies General Ip (Singapore) Pte. Ltd. Vertical cavity surface emitting laser (VCSEL) array laser scanner
DE102008045386B4 (de) * 2008-09-02 2017-07-13 Carl Zeiss Ag Vorrichtung und Verfahren zum Bestimmen einer Objektposition
JP5690049B2 (ja) * 2009-02-27 2015-03-25 富士重工業株式会社 距離測定装置
US8659749B2 (en) * 2009-08-07 2014-02-25 Faro Technologies, Inc. Absolute distance meter with optical switch
CN101762809B (zh) * 2009-12-29 2012-08-08 江苏徕兹光电科技有限公司 基于液晶光阀原理相位测量的校准方法、校准装置和测距装置
JP5812713B2 (ja) * 2011-06-20 2015-11-17 三菱電機株式会社 レーザ測距装置
TWI476376B (zh) * 2011-11-09 2015-03-11 Zygo Corp 雙程干涉式編碼器系統
CN102540170B (zh) * 2012-02-10 2016-02-10 江苏徕兹光电科技股份有限公司 基于双波长激光管相位测量的校准方法及其测距装置
KR20140079090A (ko) * 2012-12-18 2014-06-26 한국전자통신연구원 레이저 방출기 모듈 및 그것이 적용된 레이저 감지 시스템
US9683928B2 (en) 2013-06-23 2017-06-20 Eric Swanson Integrated optical system and components utilizing tunable optical sources and coherent detection and phased array for imaging, ranging, sensing, communications and other applications
WO2016030656A1 (en) * 2014-08-28 2016-03-03 Aveillant Limited Radar system and associated apparatus and methods
SG11201606510XA (en) * 2014-03-14 2016-09-29 Heptagon Micro Optics Pte Ltd Optoelectronic modules operable to recognize spurious reflections and to compensate for errors caused by spurious reflections
US10247581B2 (en) * 2014-04-28 2019-04-02 Optoplan As Interferometric optical fibre sensor system and method of interrogation
JP2018510320A (ja) * 2014-12-09 2018-04-12 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 光学検出器
CN104931973B (zh) * 2015-06-17 2017-05-10 浙江理工大学 用于激光雷达系统的非对称相位编码测距方法
EP3118651B1 (de) * 2015-07-17 2021-04-21 Hexagon Technology Center GmbH Laufzeitmessvorrichtung und laufzeitmessverfahren mit ambiguitätslösung in echtzeit
CN105137446A (zh) * 2015-09-22 2015-12-09 中国科学院上海技术物理研究所 基于光学正交解调的相干零差多普勒测速激光雷达系统
JP6942966B2 (ja) 2016-03-16 2021-09-29 株式会社リコー 物体検出装置及び移動体装置
WO2018091970A1 (en) * 2016-11-16 2018-05-24 Innoviz Technologies Ltd. Lidar systems and methods
EP3555663B1 (en) 2016-12-16 2024-07-31 Baraja Pty Ltd Estimation of spatial profile of environment
US10634794B2 (en) * 2017-02-28 2020-04-28 Stmicroelectronics, Inc. Vehicle dynamic obstacle compensation system
US11120104B2 (en) 2017-03-01 2021-09-14 Stmicroelectronics (Research & Development) Limited Method and apparatus for processing a histogram output from a detector sensor
EP3605140B1 (en) * 2017-04-13 2021-07-07 Mitsubishi Electric Corporation Laser radar device
US10401495B2 (en) 2017-07-10 2019-09-03 Blackmore Sensors and Analytics Inc. Method and system for time separated quadrature detection of doppler effects in optical range measurements
CN108008400A (zh) * 2017-11-17 2018-05-08 合肥安杰特光电科技有限公司 一种高精度测距系统
CN108089192A (zh) * 2017-11-17 2018-05-29 合肥安杰特光电科技有限公司 采用激光进行距离测量的方法
US10676085B2 (en) * 2018-04-11 2020-06-09 Aurora Innovation, Inc. Training machine learning model based on training instances with: training instance input based on autonomous vehicle sensor data, and training instance output based on additional vehicle sensor data
US10509167B2 (en) * 2018-04-23 2019-12-17 Hewlett Packard Enterprise Development Lp Optical phase difference calculation using analog processing
JP7208388B2 (ja) 2018-11-13 2023-01-18 ブラックモア センサーズ アンド アナリティクス エルエルシー 位相エンコーディングｌｉｄａｒにおける内部反射減算のためのレーザー位相追跡方法およびシステム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015129646A (ja) * 2014-01-06 2015-07-16 株式会社豊田中央研究所 レーダ装置および距離速度測定方法
JP2016065745A (ja) * 2014-09-24 2016-04-28 シャープ株式会社 レーザレーダ装置
US20180224547A1 (en) * 2017-02-03 2018-08-09 Blackmore Sensors and Analytics Inc. Method and system for doppler detection and doppler correction of optical phase-encoded range detection

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