High-order moments modeling algorithm of radar target impulse response

Gang-Yao Kuang, Zhongliang Lu, Su-yi
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Abstract

A method for characterizing radar signatures using HOMM (high-order moments modelling) is developed based on the high-order moments theory. This method consists of extracting radar target natural resonant frequencies by estimating the model of the radar target impulse response. In this paper,we analysed UWB radar target impulse response using high-order moments character on the base of the singularity expanding method, and made use of the total least squares method coupled with singularity value decomposition to accurately estimate the parameters of a rational of the impulse response.<>
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雷达目标冲击响应的高阶矩建模算法
基于高阶矩理论,提出了一种基于高阶矩建模的雷达特征表征方法。该方法通过估计雷达目标脉冲响应模型提取雷达目标固有谐振频率。本文在奇异展开法的基础上,利用高阶矩特性分析了超宽带雷达目标的脉冲响应,并利用总最小二乘法与奇异值分解相结合的方法,准确地估计了脉冲响应的一个有分式的参数。
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