EP4022357A4 - Systeme und verfahren zur lichtdetektion und entfernungsmessung - Google Patents

Systeme und verfahren zur lichtdetektion und entfernungsmessung Download PDF

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Publication number
EP4022357A4
EP4022357A4 EP20916044.9A EP20916044A EP4022357A4 EP 4022357 A4 EP4022357 A4 EP 4022357A4 EP 20916044 A EP20916044 A EP 20916044A EP 4022357 A4 EP4022357 A4 EP 4022357A4
Authority
EP
European Patent Office
Prior art keywords
methods
light detection
telemetry systems
telemetry
systems
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.)
Pending
Application number
EP20916044.9A
Other languages
English (en)
French (fr)
Other versions
EP4022357A1 (de
Inventor
Zhengqing PAN
Shaoqing Xiang
Yifan Li
Kai Sun
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.)
Hesai Technology Co Ltd
Original Assignee
Hesai Technology 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 Hesai Technology Co Ltd filed Critical Hesai Technology Co Ltd
Publication of EP4022357A1 publication Critical patent/EP4022357A1/de
Publication of EP4022357A4 publication Critical patent/EP4022357A4/de
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
    • 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
    • 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
    • G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
    • 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
    • G01S7/484—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
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/4868—Controlling received signal intensity or exposure of sensor
    • 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

Landscapes

  • 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)
EP20916044.9A 2020-01-21 2020-01-21 Systeme und verfahren zur lichtdetektion und entfernungsmessung Pending EP4022357A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/073629 WO2021146954A1 (en) 2020-01-21 2020-01-21 Systems and methods for light detection and ranging

Publications (2)

Publication Number Publication Date
EP4022357A1 EP4022357A1 (de) 2022-07-06
EP4022357A4 true EP4022357A4 (de) 2023-05-03

Family

ID=76992774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20916044.9A Pending EP4022357A4 (de) 2020-01-21 2020-01-21 Systeme und verfahren zur lichtdetektion und entfernungsmessung

Country Status (3)

Country Link
EP (1) EP4022357A4 (de)
CN (1) CN115190979B (de)
WO (1) WO2021146954A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11346952B2 (en) 2017-12-08 2022-05-31 Hesai Technology Co., Ltd. Systems and methods for light detection and ranging
US20230078949A1 (en) * 2021-09-10 2023-03-16 Leica Geosystems Ag Airborne laser scanner
JP7823183B2 (ja) * 2021-10-09 2026-03-03 深▲ジェン▼引望智能技術有限公司 制御方法および装置、ＬｉＤＡＲ、ならびに端末デバイス
CN115079193B (zh) * 2022-05-23 2026-04-17 阜时科技有限公司 光电检测装置、控制方法、电子设备及存储介质
CN116125438B (zh) * 2022-12-16 2025-03-21 深圳阜时科技有限公司 发射模组、光电测距装置、电子设备及光电测距方法
CN120214746A (zh) * 2023-12-19 2025-06-27 深圳引望智能技术有限公司 一种探测方法、探测装置及终端设备
CN118376998B (zh) * 2024-06-21 2024-10-29 浙江大华技术股份有限公司 激光雷达的数据处理方法、装置、存储介质及电子设备

Citations (3)

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US20150062557A1 (en) * 2013-08-28 2015-03-05 Vectronix Ag Stabilized distance measurement in the observation device
CN104730535A (zh) * 2015-03-20 2015-06-24 武汉科技大学 一种车载多普勒激光雷达距离测量方法
US20190120942A1 (en) * 2017-10-19 2019-04-25 Innovusion Ireland Limited Lidar with large dynamic range

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CN102200580A (zh) * 2010-03-25 2011-09-28 付陆欣 用于手持式激光测距仪的测距方法
CN101876571B (zh) * 2010-06-08 2011-09-14 中国科学院上海光学精密机械研究所 用于提高纳秒脉冲单次测量动态范围的脉冲复制环装置
US9213085B2 (en) * 2012-02-16 2015-12-15 Nucript LLC System and method for measuring the phase of a modulated optical signal
JP6103179B2 (ja) * 2012-09-13 2017-03-29 株式会社リコー 距離測定装置
CN103616696B (zh) * 2013-11-27 2015-10-21 中国电子科技集团公司第三十八研究所 一种激光成像雷达装置及其测距的方法
US9575184B2 (en) * 2014-07-03 2017-02-21 Continental Advanced Lidar Solutions Us, Inc. LADAR sensor for a dense environment
US10627490B2 (en) * 2016-01-31 2020-04-21 Velodyne Lidar, Inc. Multiple pulse, LIDAR based 3-D imaging
CN106154248A (zh) * 2016-09-13 2016-11-23 深圳市佶达德科技有限公司 一种激光雷达光学接收装置及激光雷达测距方法
CN206450825U (zh) * 2016-12-08 2017-08-29 北京万集科技股份有限公司 一种双激光驱动电路和扫描式激光雷达测距设备
US11092674B2 (en) * 2017-07-13 2021-08-17 Texas Instruments Incorporated Transmit signal design for an optical distance measurement system
CN107807364B (zh) * 2017-09-22 2019-11-15 中国科学院西安光学精密机械研究所 一种三维成像光子计数系统及其动态偏压控制方法
CN108089201B (zh) * 2017-12-08 2020-04-24 上海禾赛光电科技有限公司 障碍物信息获取方法、激光脉冲的发射方法及装置
CN109116331B (zh) * 2018-06-27 2020-04-24 上海禾赛光电科技有限公司 一种编码激光收发装置、测距装置以及激光雷达系统
US10969476B2 (en) * 2018-07-10 2021-04-06 Rockwell Automation Technologies, Inc. High dynamic range for sensing systems and methods
CN109471118A (zh) * 2018-12-13 2019-03-15 上海大恒光学精密机械有限公司 基于回波波形累加和波形采样的激光测距系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150062557A1 (en) * 2013-08-28 2015-03-05 Vectronix Ag Stabilized distance measurement in the observation device
CN104730535A (zh) * 2015-03-20 2015-06-24 武汉科技大学 一种车载多普勒激光雷达距离测量方法
US20190120942A1 (en) * 2017-10-19 2019-04-25 Innovusion Ireland Limited Lidar with large dynamic range

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021146954A1 *

Also Published As

Publication number Publication date
CN115190979A (zh) 2022-10-14
EP4022357A1 (de) 2022-07-06
CN115190979B (zh) 2026-04-21
WO2021146954A1 (en) 2021-07-29

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