QIU Tianshuang   

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Paper Publications

Title of Paper:脉冲噪声下LFM信号参数估计新方法

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Date of Publication:2016-10-01

Page Number:5

Key Words:线性调频信号;脉冲噪声;相位分数低阶矩;分数阶傅里叶变换

Abstract:本文提出了一种脉冲噪声下线性调频信号参数估计新方法,利用相位分数低阶矩实现脉冲噪声的抑制,从理论上说明了经相位分数低阶矩作用后线性调频信号在分数阶傅里叶域的峰值特性,并给出了线性调频信号中心频率和调频率的估计方法。仿真结果表明,与传统基于分数阶傅里叶变换的参数估计算法相比,本文方法在脉冲噪声和高斯噪声环境下都能实现高精度的参数估计。

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