A New Model for Human Running Micro-Doppler FMCW Radar Features-Reference-Cited by-同舟云学术

A New Model for Human Running Micro-Doppler FMCW Radar Features

Published:2023-06-15 Issue:12 Volume:13 Page:7190
ISSN:2076-3417
Container-title:Applied Sciences
language:en
Short-container-title:Applied Sciences

Author:

Zhang Yongqiang¹²³^ORCID,Li Xiaopeng²,Ma Guilei¹^ORCID,Ma Jinlong²^ORCID,Man Menghua¹^ORCID,Liu Shanghe¹

Affiliation:

1. Shijiazhuang Campus, Army Engineering University of PLA, Shijiazhuang 050003, China

2. School of Information Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China

3. Hebei Technology Innovation Centre of Intelligent IoT, Shijiazhuang 050018, China

Abstract

Human body detection is very important in the research of automotive safety technology. The extraction and analysis of human micro-motion based on frequency-modulated continuous wave (FMCW) radar is gradually receiving attention. Aimed at the modulation effect of human micro-motion on FMCW radar, a human running model is proposed to study human radar characteristics. According to the scattering characteristics of rigid bodies, the analytical expression of human running radar echoes is established. By using time–frequency analysis, the micro-Doppler features in the radar echoes are extracted during the running period. Under running conditions, the micro-Doppler characteristics of key components are studied. This model is applied to the real FMCW radar verification platform, and the runners are measured at a distance of 10 m. The fit rate of all parts of the human body can reach above 90%. The overall fit rate of the human model can reach up to 90.6%. The model proposed is a realistic and simple human kinematic model. This model, which can realize the real simulation of a running human body and provide strong support for human target radar echo analysis, can fill the deficiency of FMCW radar technology in the complex motion model.

Funder

National Defense Basic Research Plan

Natural Science Foundation of Hebei Province

Publisher

MDPI AG

Subject

Fluid Flow and Transfer Processes,Computer Science Applications,Process Chemistry and Technology,General Engineering,Instrumentation,General Materials Science

Link

https://www.mdpi.com/2076-3417/13/12/7190/pdf

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