| 一种基于FFT的高精度频率估计算法 |
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| 引用本文： | 万灵达,杨晓光.一种基于FFT的高精度频率估计算法[J].电子科技,2010,23(10):79-81. |
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| 作者姓名： | 万灵达 杨晓光 |
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| 作者单位： | (西安电子科技大学 电子工程学院,陕西 西安 710071) |
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| 摘 要： | 介绍一种适用于估计高斯白噪声背景下的信号频率的快速、高精度估计算法,以及算法原理、设计思想、流程,并使用Matlab进行仿真,给出计算机仿真结果,分析算法优劣。结果表明:本算法具有有效抑制FFT的“栅栏”效应对估计结果的影响、估计精度高、抗噪性能良好、同等精度下运算量小等优点。
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| 关 键 词： | 频率估计 FFT Matlab仿真 算法 |
A High-accuracy Frequency Estimation Algorithm Based on FFT |
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| Wan Lingda,Yang Xiaoguang.A High-accuracy Frequency Estimation Algorithm Based on FFT[J].Electronic Science and Technology,2010,23(10):79-81. |
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| Authors: | Wan Lingda Yang Xiaoguang |
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| Affiliation: | (School of Electronic Engineering,Xidian University,Xi'an 710071,China) |
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| Abstract: | The paper introduces a fast high-accuracy estimation algorithm for the signal which in the context of the Gaussian white noise.The algorithm theory,design ideas and algorithmic process and simulation it by MATLAB are presented.Computer simulation results are given and analyzed,which shows that this algorithm effectively inhibit the fence effect on the results,and has the advantages of high-accuracy estimation,good anti-noise performance and small amount of computation with the same accuracy. |
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| Keywords: | FFT |
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