Millimeter wave radar waveform data processing method and system

By performing time-frequency analysis and micro-Doppler feature processing on radar waveform data, the target identity identification is generated, and the problem of inaccurate waveform data analysis in the existing technology is solved, and efficient and accurate tracking of personnel trajectories is achieved.

CN120254832AActive Publication Date: 2025-07-04HUAZHU TECH GRP DIGITAL TECH CO LTD
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Patent Information

Application Number
CN202510414528.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2025-07-04
Estimated Expiration
2045-04-03

AI Technical Summary

Technical Problem

In the prior art, the waveform data analysis and processing received by radars is not accurate enough, resulting in the inability to effectively track the movement trajectory of indoor personnel.

Method used

By performing time-frequency analysis of multiple sets of waveform arrays, the target identity identifier is generated, and the target motion information and micro Doppler characteristics are used to achieve accurate trajectory tracking of the target personnel.

Benefits of technology

Improve the accuracy and reliability of personnel trajectory tracking, ensure high correlation between identity identification and target personnel, and achieve more accurate personnel tracking.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a millimeter wave radar waveform data processing method and system, and belongs to the technical field of radar data processing, and the method comprises the steps: carrying out the time-frequency analysis of a plurality of waveform arrays, and obtaining a plurality of image groups and a plurality of micro-Doppler features; the plurality of waveform arrays are obtained by monitoring a target area based on a plurality of millimeter wave radars; generating a target identity label based on the target motion information and the target micro-Doppler feature; the target motion information is obtained by identifying a target person in a target area based on a plurality of image groups, and the target micro-Doppler feature is obtained by calculating based on a plurality of micro-Doppler features; and performing trajectory tracking on the target person based on the target identity identifier. According to the millimeter wave radar waveform data processing method and system provided by the invention, the waveform data of the millimeter wave radar can be analyzed, and the accuracy of personnel trajectory tracking is improved.
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Citation Information

Patent Citations

  • Time-division MIMO radar space-time phase decoupling method based on random transmitted pulse

    CN108802718A

  • Personnel detection method and device, electronic device and storage medium

    CN110488264A

  • Person detection method and system based on micro-Doppler

    CN110554379A

  • Personnel tracking and identification algorithm based on millimeter-wave radar

    CN111708021A

  • Human target tracking system and method

    CN112505679A

Cited By

  • Identity determination method and device, storage medium and electronic device

    CN121971055A

  • An identity determination method and apparatus, a storage medium, and an electronic device

    CN121971055B