CN112639517A - 激光雷达测距方法、装置、计算机设备和存储介质 - Google Patents

激光雷达测距方法、装置、计算机设备和存储介质 Download PDF

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Publication number
CN112639517A
CN112639517A CN201980050564.7A CN201980050564A CN112639517A CN 112639517 A CN112639517 A CN 112639517A CN 201980050564 A CN201980050564 A CN 201980050564A CN 112639517 A CN112639517 A CN 112639517A
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signal
preset
pulse
echo
sequence
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CN201980050564.7A
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CN112639517B (zh
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刘夏
胡晗
娄志毅
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Suteng Innovation Technology Co Ltd
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Suteng Innovation Technology Co Ltd
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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
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/487—Extracting wanted echo signals, e.g. pulse detection
    • G01S7/4873—Extracting wanted echo signals, e.g. pulse detection by deriving and controlling a threshold value
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

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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)
  • Radar Systems Or Details Thereof (AREA)

Abstract

一种激光雷达测距方法，包括：调用序列发生器，通过序列发生器生成预设序列(202)；根据预设序列和预设值确定双脉冲的脉冲发射间隔(204)；根据双脉冲的脉冲发射间隔向待测物体发射探测信号(206)；接收待测物体根据探测信号返回的回波信号，在回波信号中提取有效回波信号(208)；根据有效回波信号和探测信号之间的时间差计算待测物体的距离(210)。

Description

PCT国内申请，说明书已公开。

Claims (16)

  1. PCT国内申请，权利要求书已公开。
CN201980050564.7A 2019-09-06 2019-09-06 激光雷达测距方法、装置、计算机设备和存储介质 Active CN112639517B (zh)

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PCT/CN2019/104755 WO2021042382A1 (zh) 2019-09-06 2019-09-06 激光雷达测距方法、装置、计算机设备和存储介质

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CN114814863A (zh) * 2022-04-22 2022-07-29 北京一径科技有限公司 一种基于sipm的回波检测方法、装置、设备及存储介质

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US11556000B1 (en) 2019-08-22 2023-01-17 Red Creamery Llc Distally-actuated scanning mirror
CN113759339B (zh) * 2021-11-10 2022-02-25 北京一径科技有限公司 一种回波信号的处理方法、装置、设备及存储介质
CN117192564A (zh) * 2023-10-26 2023-12-08 深达威科技(广东)股份有限公司 一种激光测距方法、计算机存储介质和电子设备
CN117651022B (zh) * 2024-01-30 2024-05-03 辅易航智能科技(苏州)有限公司 数据传输方法、装置、主设备和计算机可读存储介质

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CN101666873A (zh) * 2009-03-04 2010-03-10 北京邮电大学 基于调变脉冲序列的高精度测距雷达的模糊处理方法
CN102809748A (zh) * 2012-07-09 2012-12-05 上海电机学院 基于时延估计的激光测距方法
US20170016981A1 (en) * 2015-07-17 2017-01-19 Hexagon Technology Center Gmbh Time-of-flight measurement apparatus and time-of-flight measurement method with ambiguity resolution in real time
US20170329010A1 (en) * 2016-05-10 2017-11-16 Texas Instruments Incorporated Methods and apparatus for lidar operation with pulse position modulation
CN109791202A (zh) * 2016-09-22 2019-05-21 苹果公司 具有不规则脉冲序列的激光雷达
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CN109143179A (zh) * 2018-07-26 2019-01-04 清华大学 一种基于变重频技术的捷变频雷达信号处理方法及装置
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Publication number Priority date Publication date Assignee Title
CN114814863A (zh) * 2022-04-22 2022-07-29 北京一径科技有限公司 一种基于sipm的回波检测方法、装置、设备及存储介质

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CN112639517B (zh) 2023-07-14
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