Parameters estimation of LFM signal based on fractional order cross spectrum

机译：基于分数交叉谱的LFM信号的参数估计

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摘要

To attain fast and accurate parameters estimation of LFM signal with low SNR, a novel estimation method is presented. In this method, LFM is received with dual channel preamplifier so that noises in LFM signals are uncorrelated, parameters are estimated by using modulus of received LFM signals fractional order cross spectrum and cubic splines interpolation. Numerical simulation shows that the presented method is with good noise immunity, high precision of parameters estimation.

机译：为了实现具有低SNR的LFM信号的快速和准确参数估计，提出了一种新颖的估计方法。在该方法中，通过双通道前置放大器接收LFM，使得LFM信号中的噪声是不相关的，通过使用接收的LFM信号的模量来估计参数分数阶横梁和立方样条插值。数值模拟表明，呈现的方法具有良好的抗噪性，参数估计的高精度。

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来源
《International Conference on Electronic and Mechanical Engineering and Information Technology》|2011年||共3页
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作者
Ding Kaihui; Ding Qun; Lan Run Zhe;
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中图分类 TP39-53;
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LFM signal; cubic splines interpolation; fractional order cross spectrum; parameters estimation;

机译：LFM信号;立方样条插值;分数阶横梁;参数估计;

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Parameters estimation of LFM signal based on fractional order cross spectrum

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