CN113795770A - 一种信号处理方法、装置及系统 - Google Patents

一种信号处理方法、装置及系统 Download PDF

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Publication number
CN113795770A
CN113795770A CN202080020037.4A CN202080020037A CN113795770A CN 113795770 A CN113795770 A CN 113795770A CN 202080020037 A CN202080020037 A CN 202080020037A CN 113795770 A CN113795770 A CN 113795770A
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China
Prior art keywords
signal
target device
echo signal
doppler frequency
detection
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CN202080020037.4A
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English (en)
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CN113795770B (zh
Inventor
朱杰作
袁书田
叶威
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Huawei Technologies Co Ltd
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Huawei Technologies 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/756—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using a signal generator for modifying the reflectivity of the reflector
    • 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
    • G01S7/414—Discriminating targets with respect to background clutter

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

Abstract

本申请涉及一种信号处理方法、装置及系统，可以应用于雷达等传感器，适用于自动驾驶、智能驾驶或者智能传输等领域。目标装置接收来自检测装置的第一发射信号。目标装置生成第一回波信号，第一回波信号是基于对第一发射信号的部分反射信号进行调制产生的，且第一回波信号与第一发射信号存在第一多普勒频偏。第一回波信号用于确定检测装置和目标装置之间的距离。由于第一回波信号的多普勒频率与来自环境的回波信号的多普勒频率有所不同，因此检测装置能够根据多普勒频率区分出来自目标装置的第一回波信号，从而可以根据第一回波信号对该目标装置进行测距。

Description

PCT国内申请，说明书已公开。

Claims (24)

  1. PCT国内申请，权利要求书已公开。
CN202080020037.4A 2020-04-24 2020-04-24 一种信号处理方法、装置及系统 Active CN113795770B (zh)

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PCT/CN2020/086873 WO2021212521A1 (zh) 2020-04-24 2020-04-24 一种信号处理方法、装置及系统

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CN113795770A true CN113795770A (zh) 2021-12-14
CN113795770B CN113795770B (zh) 2022-08-19

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US (1) US20230044018A1 (zh)
EP (1) EP4130788A4 (zh)
CN (1) CN113795770B (zh)
WO (1) WO2021212521A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
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CN115963467A (zh) * 2023-03-16 2023-04-14 福思(杭州)智能科技有限公司 调频波形参数的处理方法、装置和计算机设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113013583B (zh) * 2021-01-29 2023-08-18 中国电子科技集团公司第三十八研究所 毫米波雷达封装模组
CN116337121A (zh) * 2021-12-22 2023-06-27 华为技术有限公司 远距离感知的方法和装置

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JPH05346463A (ja) * 1992-04-15 1993-12-27 Fujitsu Ltd ドップラーレーダ装置
US20030052811A1 (en) * 2001-07-13 2003-03-20 Lawless James C. Radar apparatus and method for detecting small slow moving targets
US20120268308A1 (en) * 2008-06-05 2012-10-25 Keystone Technology Solutions, Llc Systems and Methods to Use Radar in RFID Systems
CN102866398A (zh) * 2012-09-21 2013-01-09 中国航天空气动力技术研究院 一种利用调频连续波雷达进行动目标识别的方法及系统
CN104076349A (zh) * 2014-05-29 2014-10-01 西北大学 一种基于多普勒频移的被动式移动目标定位方法
US20170032157A1 (en) * 2008-06-05 2017-02-02 Micron Technology, Inc. Systems and methods to determine motion parameters using rfid tags
CN108828535A (zh) * 2018-04-12 2018-11-16 中国人民解放军国防科技大学 基于相位调制表面的雷达目标特征变换方法

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US6084530A (en) * 1996-12-30 2000-07-04 Lucent Technologies Inc. Modulated backscatter sensor system
WO2010013215A1 (en) * 2008-07-30 2010-02-04 Nxp B.V. A system for reading information transmitted from a transponder
US20190080612A1 (en) * 2017-09-14 2019-03-14 Qualcomm Incorporated Navigation techniques for autonomous and semi-autonomous vehicles
CN107894585B (zh) * 2017-10-31 2019-09-20 中国人民解放军国防科技大学 基于相位调制表面的多假目标生成方法
CN109507661B (zh) * 2018-09-28 2023-04-07 西南电子技术研究所（中国电子科技集团公司第十研究所） 雷达和通信一体化信号处理方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05346463A (ja) * 1992-04-15 1993-12-27 Fujitsu Ltd ドップラーレーダ装置
US20030052811A1 (en) * 2001-07-13 2003-03-20 Lawless James C. Radar apparatus and method for detecting small slow moving targets
US20120268308A1 (en) * 2008-06-05 2012-10-25 Keystone Technology Solutions, Llc Systems and Methods to Use Radar in RFID Systems
US20160363662A1 (en) * 2008-06-05 2016-12-15 Micron Technology, Inc. Systems and methods to use radar in rfid systems
US20170032157A1 (en) * 2008-06-05 2017-02-02 Micron Technology, Inc. Systems and methods to determine motion parameters using rfid tags
US20190266366A1 (en) * 2008-06-05 2019-08-29 Micron Technology, Inc. Systems and Methods to Determine Motion Parameters using RFID Tags
CN102866398A (zh) * 2012-09-21 2013-01-09 中国航天空气动力技术研究院 一种利用调频连续波雷达进行动目标识别的方法及系统
CN104076349A (zh) * 2014-05-29 2014-10-01 西北大学 一种基于多普勒频移的被动式移动目标定位方法
CN108828535A (zh) * 2018-04-12 2018-11-16 中国人民解放军国防科技大学 基于相位调制表面的雷达目标特征变换方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115963467A (zh) * 2023-03-16 2023-04-14 福思(杭州)智能科技有限公司 调频波形参数的处理方法、装置和计算机设备

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WO2021212521A1 (zh) 2021-10-28
CN113795770B (zh) 2022-08-19
US20230044018A1 (en) 2023-02-09
EP4130788A1 (en) 2023-02-08
EP4130788A4 (en) 2023-05-03

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