CN111492261A - 一种激光接收电路及测距装置、移动平台 - Google Patents

一种激光接收电路及测距装置、移动平台 Download PDF

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Publication number
CN111492261A
CN111492261A CN201880016698.2A CN201880016698A CN111492261A CN 111492261 A CN111492261 A CN 111492261A CN 201880016698 A CN201880016698 A CN 201880016698A CN 111492261 A CN111492261 A CN 111492261A
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circuit
low
signal
frequency
electrical signal
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马亮亮
洪小平
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SZ DJI Technology Co Ltd
Shenzhen Dajiang Innovations Technology Co Ltd
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SZ DJI 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
    • 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

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (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

一种激光接收电路及测距装置(100)、移动平台，激光接收电路包括：光电转换电路和分离电路；其中，光电转换电路，用于接收光信号，以及将光信号转成电信号，光信号包括经物体反射回的光脉冲信号和环境光信号；分离电路，用于将电信号分离成高频电信号和低频电信号，高频电信号的频率高于低频电信号的频率的至少10倍，环境光信息获取电路，用于根据低频电信号获取环境光信号的信息。激光接收电路及测距装置(100)、移动平台可以获取环境光信号的信息，以实现动态调整不同环境光时的触发阈值，在弱光时显著增加测量距离。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN201880016698.2A 2018-11-28 2018-11-28 一种激光接收电路及测距装置、移动平台 Pending CN111492261A (zh)

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PCT/CN2018/117835 WO2020107250A1 (zh) 2018-11-28 2018-11-28 一种激光接收电路及测距装置、移动平台

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114114288A (zh) * 2020-08-27 2022-03-01 上海禾赛科技有限公司 用于激光雷达的测量电路及其测量方法、以及激光雷达
CN114157356A (zh) * 2021-11-30 2022-03-08 京东方科技集团股份有限公司 感光电路、感光基板及感光装置
WO2022206031A1 (zh) * 2021-03-31 2022-10-06 上海禾赛科技有限公司 确定噪声水平的方法、激光雷达以及测距方法

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JPH08242160A (ja) * 1995-03-01 1996-09-17 Sony Corp 光信号受信装置
CN1466692A (zh) * 2000-09-27 2004-01-07 ���ء����߸� 在测距装置中信号检测的装置和方法
US7295186B2 (en) * 2003-01-14 2007-11-13 Avago Technologies Ecbuip (Singapore) Pte Ltd Apparatus for controlling a screen pointer that distinguishes between ambient light and light from its light source
CN102541363A (zh) * 2010-12-16 2012-07-04 精工爱普生株式会社 光学式位置检测装置以及带位置检测功能的设备
CN103647514A (zh) * 2013-11-27 2014-03-19 苏州贝克微电子有限公司 一种应用于电流电压互阻放大器及其它电路的交流耦合回路
CN106375058A (zh) * 2016-09-09 2017-02-01 青岛海信宽带多媒体技术有限公司 光模块
CN108401444A (zh) * 2017-03-29 2018-08-14 深圳市大疆创新科技有限公司 一种激光雷达以及基于激光雷达的时间测量方法

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EP2541273B1 (de) * 2011-06-28 2013-05-22 Sick Ag Erfassung und Abstandsbestimmung von Objekten
CN103367517B (zh) * 2012-03-31 2015-11-25 青岛博光电子有限公司 Si基GeMSM波导共振腔增强型光电探测器
CN203422470U (zh) * 2013-09-02 2014-02-05 奇瑞汽车股份有限公司 一种激光测距系统的接收电路
CN207502716U (zh) * 2017-12-06 2018-06-15 北醒（北京）光子科技有限公司 一种环境光噪声抑制电路及激光雷达

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08242160A (ja) * 1995-03-01 1996-09-17 Sony Corp 光信号受信装置
CN1466692A (zh) * 2000-09-27 2004-01-07 ���ء����߸� 在测距装置中信号检测的装置和方法
US7295186B2 (en) * 2003-01-14 2007-11-13 Avago Technologies Ecbuip (Singapore) Pte Ltd Apparatus for controlling a screen pointer that distinguishes between ambient light and light from its light source
CN102541363A (zh) * 2010-12-16 2012-07-04 精工爱普生株式会社 光学式位置检测装置以及带位置检测功能的设备
CN103647514A (zh) * 2013-11-27 2014-03-19 苏州贝克微电子有限公司 一种应用于电流电压互阻放大器及其它电路的交流耦合回路
CN106375058A (zh) * 2016-09-09 2017-02-01 青岛海信宽带多媒体技术有限公司 光模块
CN108401444A (zh) * 2017-03-29 2018-08-14 深圳市大疆创新科技有限公司 一种激光雷达以及基于激光雷达的时间测量方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114114288A (zh) * 2020-08-27 2022-03-01 上海禾赛科技有限公司 用于激光雷达的测量电路及其测量方法、以及激光雷达
CN114114288B (zh) * 2020-08-27 2022-11-18 上海禾赛科技有限公司 用于激光雷达的测量电路及其测量方法、以及激光雷达
WO2022206031A1 (zh) * 2021-03-31 2022-10-06 上海禾赛科技有限公司 确定噪声水平的方法、激光雷达以及测距方法
CN114157356A (zh) * 2021-11-30 2022-03-08 京东方科技集团股份有限公司 感光电路、感光基板及感光装置

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