CN114531900A - 一种信号噪声滤除方法、装置、存储介质及激光雷达 - Google Patents

一种信号噪声滤除方法、装置、存储介质及激光雷达 Download PDF

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Publication number
CN114531900A
CN114531900A CN202080004327.XA CN202080004327A CN114531900A CN 114531900 A CN114531900 A CN 114531900A CN 202080004327 A CN202080004327 A CN 202080004327A CN 114531900 A CN114531900 A CN 114531900A
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signal
difference frequency
frequency signal
processing
autocorrelation
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朱琳
任亚林
汪敬
牛犇
篠原磊磊
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Suteng Innovation Technology Co Ltd
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Suteng Innovation Technology Co Ltd
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Publication of CN114531900A publication Critical patent/CN114531900A/zh
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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
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section

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

Abstract

一种信号噪声滤除方法、装置、存储介质及激光雷达，其中方法包括：获取激光雷达产生的初始差频信号(S101)，所述初始差频信号为含有噪声信号的差频信号；对所述初始差频信号进行至少一次自相关处理，得到所述初始差频信号的有用信号(S102)；将所述有用信号确定为去噪后的时域差频信号(S103)。可以提高差频信号的信噪比，提高有效的差频频率提取的成功率。

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PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN202080004327.XA 2020-09-23 2020-09-23 一种信号噪声滤除方法、装置、存储介质及激光雷达 Pending CN114531900A (zh)

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PCT/CN2020/117182 WO2022061598A1 (zh) 2020-09-23 2020-09-23 一种信号噪声滤除方法、装置、存储介质及激光雷达

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CN114531900A true CN114531900A (zh) 2022-05-24

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CN (1) CN114531900A (zh)
WO (1) WO2022061598A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115801949A (zh) * 2022-11-15 2023-03-14 深圳市联代科技有限公司 一种能增强手机信号的5g手机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101475864B1 (ko) * 2008-11-13 2014-12-23 삼성전자 주식회사 잡음 제거 장치 및 잡음 제거 방법
CN104392115B (zh) * 2014-11-11 2017-07-11 西北大学 一种高分辨率的二维参数估算方法
CN106599808B (zh) * 2016-12-01 2020-12-15 中国科学院光电研究院 一种基于全波形激光雷达数据的隐蔽目标提取方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115801949A (zh) * 2022-11-15 2023-03-14 深圳市联代科技有限公司 一种能增强手机信号的5g手机

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