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Multiwindow S-method for instantaneous frequency estimation and its application in radar signal analysis

机译:瞬时频率估计的多窗口S方法及其在雷达信号分析中的应用

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摘要

A new distribution that provides high concentration in the time-frequency domain is proposed. It is based on the S-method and multiwindow approach, where different order Hermite functions are employed as multiple windows. The resulting distribution will be referred to as the multiwindow S-method. It preserves favourable properties of the standard S-method, whereas the distribution concentration is improved by using Hermite functions of just a few first orders. The proposed distribution is appropriate for radar signal analysis, as it will be proven by experimental examples.
机译:提出了一种在时频域中提供高集中度的新分布。它基于S方法和多窗口方法,其中将不同阶的Hermite函数用作多个窗口。所得的分布将称为多窗口S方法。它保留了标准S方法的有利特性,而通过使用仅几个一阶的Hermite函数可以提高分布浓度。提议的分布适用于雷达信号分析,这将通过实验示例得到证明。

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