CN113597566A - 一种测距方法、雷达以及车载雷达 - Google Patents

一种测距方法、雷达以及车载雷达 Download PDF

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Publication number
CN113597566A
CN113597566A CN201980094341.0A CN201980094341A CN113597566A CN 113597566 A CN113597566 A CN 113597566A CN 201980094341 A CN201980094341 A CN 201980094341A CN 113597566 A CN113597566 A CN 113597566A
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China
Prior art keywords
amplitude value
pixel
pixel point
target
amplitude
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Pending
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CN201980094341.0A
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English (en)
Inventor
李洪磊
李强
姜彤
巫红英
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN113597566A publication Critical patent/CN113597566A/zh
Pending legal-status Critical Current

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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
    • G01S7/4861—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
    • 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
    • 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
    • G01S17/93—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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

提供了一种测距方法、雷达以及车载雷达，该方法包括：根据已接收到的回波信号确定像素矩阵(201)；根据第一像素点确定第一幅度值集合(202)；根据第一像素点确定第二像素点(203)；根据第二像素点确定第二像素点对应的第二幅度值集合(204)；对目标第一幅度值集合和目标第二幅度值集合进行求和(205)；根据所有第一幅度值集合和所有第二幅度值集合获取目标测距集合(206)；根据目标测距集合进行测距(207)。由此提高了累加后幅度值集合的信噪比，提高了测距精度。

Description

PCT国内申请，说明书已公开。

Claims (25)

  1. PCT国内申请，权利要求书已公开。
CN201980094341.0A 2019-04-04 2019-04-04 一种测距方法、雷达以及车载雷达 Pending CN113597566A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/081519 WO2020199199A1 (zh) 2019-04-04 2019-04-04 一种测距方法、雷达以及车载雷达

Publications (1)

Publication Number Publication Date
CN113597566A true CN113597566A (zh) 2021-11-02

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CN201980094341.0A Pending CN113597566A (zh) 2019-04-04 2019-04-04 一种测距方法、雷达以及车载雷达

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US (1) US20220018943A1 (zh)
EP (1) EP3936894A4 (zh)
CN (1) CN113597566A (zh)
WO (1) WO2020199199A1 (zh)

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CN116203574A (zh) * 2023-05-04 2023-06-02 天津宜科自动化股份有限公司 一种检测物体距离的数据处理系统

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DE102019207741A1 (de) * 2019-05-27 2020-12-03 Infineon Technologies Ag Ein LIDAR-System, ein Verfahren für ein LIDAR-System und ein Empfänger für ein LIDAR-System mit ersten und zweiten Umwandlungselementen
CN112835010B (zh) * 2021-03-17 2022-06-17 中国人民解放军海军潜艇学院 一种基于帧间积累的弱小目标检测合并方法
CN116953656A (zh) * 2022-04-13 2023-10-27 上海禾赛科技有限公司 探测结果处理方法及装置、计算机可读存储介质
WO2024082117A1 (zh) * 2022-10-18 2024-04-25 日立楼宇技术（广州）有限公司 雷达测距方法、装置、设备及存储介质
CN116953716A (zh) * 2023-07-10 2023-10-27 天津宜科自动化股份有限公司 基于可动态调整像素区输出的图像传感器的测距装置

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CN116203574A (zh) * 2023-05-04 2023-06-02 天津宜科自动化股份有限公司 一种检测物体距离的数据处理系统
CN116203574B (zh) * 2023-05-04 2023-07-28 天津宜科自动化股份有限公司 一种检测物体距离的数据处理系统

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EP3936894A4 (en) 2022-03-16
EP3936894A1 (en) 2022-01-12
WO2020199199A1 (zh) 2020-10-08

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