On the parameter estimation of sinusoidal signal

被引：0
|
作者：
Institute of Electronics, Chinese Academy of Sciences, Beijing 100080, China [1 ]
不详 [2 ]
机构：
来源：
Dianzi Yu Xinxi Xuebao | 2007年 / 11卷 / 2653-2656期
关键词：
Computer simulation - Fast Fourier transforms - Frequency estimation - MATLAB - Parameter estimation;
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暂无
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学科分类号：
摘要：
This paper utilizes FFT after undersampling to analyze the relationship between the estimation of sinusoidal parameters and corresponding actual values on the basis of bandpass sampling theorem. In addition, the errors of parameter estimation using phase difference are deduced strictly. Investigation indicates that the error of frequency estimation is proportional to the sampling rate, while that of initial phase independent of it. The results of computer simulation show the validity of academic conclusions.
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