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Feature Diversity for Optimized Human Micro-Doppler Classification Using Multistatic Radar

机译:使用多晶雷达优化人体微多普勒分类的特征多样性

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摘要

This paper investigates the selection of different combinations of features at different multistatic radar nodes, depending on scenario parameters, such as aspect angle to the target and signal-to-noise ratio, and radar parameters, such as dwell time, polarisation, and frequency band. Two sets of experimental data collected with the multistatic radar system NetRAD are analysed for two separate problems, namely the classification of unarmed vs potentially armed multiple personnel, and the personnel recognition of individuals based on walking gait. The results show that the overall classification accuracy can be significantly improved by taking into account feature diversity at each radar node depending on the environmental parameters and target behaviour, in comparison with the conventional approach of selecting the same features for all nodes.
机译:本文根据场景参数(例如与目标的纵横比和信噪比)以及雷达参数(例如停留时间,极化和频带),研究了在不同的多基地雷达节点上不同特征组合的选择。 。分析了利用多雷达系统NetRAD收集的两组实验数据,以解决两个独立的问题,即无人武装与潜在武装多人的分类,以及基于步行步态的人员识别。结果表明,与传统的为所有节点选择相同特征的方法相比,通过根据环境参数和目标行为考虑每个雷达节点的特征多样性,可以显着提高总体分类精度。

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