CN114270219A - 测量方法、装置、可移动平台和计算机可读介质 - Google Patents

测量方法、装置、可移动平台和计算机可读介质 Download PDF

Info

Publication number
CN114270219A
CN114270219A CN201980030612.6A CN201980030612A CN114270219A CN 114270219 A CN114270219 A CN 114270219A CN 201980030612 A CN201980030612 A CN 201980030612A CN 114270219 A CN114270219 A CN 114270219A
Authority
CN
China
Prior art keywords
pulse signal
reflected pulse
sampling
time
calculating
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
CN201980030612.6A
Other languages
English (en)
Inventor
许友
吴特思
陈涵
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.)
SZ DJI Technology Co Ltd
Original Assignee
SZ DJI 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 SZ DJI Technology Co Ltd filed Critical SZ DJI Technology Co Ltd
Publication of CN114270219A publication Critical patent/CN114270219A/zh
Pending legal-status Critical Current

Links

Images

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
    • 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
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/292—Extracting wanted echo-signals

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)

Abstract

一种测量方法、装置、可移动平台和计算机可读介质，所述方法包括：向被测物发射光脉冲信号(S410)；接收所述光脉冲信号对应的反射脉冲信号(S420)；对所述反射脉冲信号进行采样得到采样结果(S430)；基于所述采样结果计算所述反射脉冲信号对应的时间测量值和时间修正值，基于所述时间测量值和所述时间修正值计算所述光脉冲信号和所述反射脉冲信号之间的时间间隔(S440)。根据该测量方法、装置、可移动平台和计算机可读介质能够有效克服由于脉冲失真、畸变引进的测量误差，提高测量准确度。

Description

PCT国内申请，说明书已公开。

Claims (27)

  1. PCT国内申请，权利要求书已公开。
CN201980030612.6A 2019-10-21 2019-10-21 测量方法、装置、可移动平台和计算机可读介质 Pending CN114270219A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/112211 WO2021077253A1 (zh) 2019-10-21 2019-10-21 测量方法、装置、可移动平台和计算机可读介质

Publications (1)

Publication Number Publication Date
CN114270219A true CN114270219A (zh) 2022-04-01

Family

ID=75619847

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980030612.6A Pending CN114270219A (zh) 2019-10-21 2019-10-21 测量方法、装置、可移动平台和计算机可读介质

Country Status (2)

Country Link
CN (1) CN114270219A (zh)
WO (1) WO2021077253A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023123084A1 (zh) * 2021-12-29 2023-07-06 深圳市大疆创新科技有限公司 测距方法、测距装置和可移动平台

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105137443B (zh) * 2015-08-27 2017-09-26 苏州翌森光电科技有限公司 脉冲式激光测距方法
CN106154279B (zh) * 2016-07-22 2019-03-01 武汉海达数云技术有限公司 一种激光测距仪校正方法
CN106019300A (zh) * 2016-08-05 2016-10-12 上海思岚科技有限公司 一种激光测距装置及其激光测距方法
CN107783140A (zh) * 2016-08-25 2018-03-09 左罗 高精度的激光测距仪及其测距方法
EP3339885A1 (de) * 2016-12-21 2018-06-27 Hexagon Technology Center GmbH Laserdistanzmessmodul mit inl-fehlerkompensation
CN107688185A (zh) * 2017-06-05 2018-02-13 罗印龙 一种激光测距装置及其测距方法
CN109283541B (zh) * 2017-07-21 2023-10-13 比亚迪股份有限公司 车载激光雷达测距装置、方法以及汽车

Also Published As

Publication number Publication date
WO2021077253A1 (zh) 2021-04-29

Similar Documents

Publication Publication Date Title
CN108732553B (zh) 一种激光雷达波形时刻鉴别方法与在线测距系统
CN109272556B (zh) 一种飞行时间tof相机的标定方法和装置
EP3936895B1 (en) Distance measurement method, apparatus and device
EP2198323B9 (en) Time delay estimation
CN109597052B (zh) 激光雷达回波数据提取方法及提取装置
CN112114324A (zh) 一种距离测量方法、装置、终端设备及存储介质
CN110088642A (zh) 用于检测目标对象的前进方向和速度的系统和方法
CN108196242B (zh) 基于边沿检测的激光雷达计时方法及数据处理单元
CN113050071A (zh) 激光雷达数据处理方法、装置、设备及存储介质
CN110471075B (zh) 雷达测距方法、装置及终端设备
CN110018491B (zh) 激光扫描方法、装置及激光雷达
Duffy et al. Cosmological surveys with the Australian Square Kilometre Array Pathfinder
CN114270219A (zh) 测量方法、装置、可移动平台和计算机可读介质
Muecke et al. Terrain echo probability assignment based on full-waveform airborne laser scanning observables
CN113050070B (zh) 激光雷达数据处理方法、装置、设备及存储介质
CN108226907B (zh) 用于激光测距设备的测距校准方法和装置
CN112255635A (zh) 一种距离测量方法、系统及设备
CN105527624B (zh) 一种雷达回波动态估算噪声的方法和气象雷达系统
CN111308467A (zh) 探测方法及探测设备
CN116256767A (zh) 一种激光雷达飞行时间测量方法及系统
CN113179653A (zh) 反射率的测量方法、装置、可移动平台和计算机可读介质
CN115097420A (zh) 基于ad数据的激光测距仪信号校准方法、装置及电子设备
CN116338708A (zh) 飞行时间的测量方法、装置和系统
CN104297733B (zh) 复合背景下时域信号的处理方法及复合信号处理系统
CN113609971B (zh) 微地震观测设备的检查方法、装置、设备及存储介质

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination