| 乘法噪声中非线性耦合谐波分析 |
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| 引用本文： | 王宏志,王树勋,戴逸松.乘法噪声中非线性耦合谐波分析[J].电子学报,2001,29(1):75-79. |
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| 作者姓名： | 王宏志 王树勋 戴逸松 |
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| 作者单位： | 1.吉林工学院计算机科学与工程学院,长春 130012;2.吉林工业大学信息学院,长春 130025 |
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| 基金项目： | 国家自然科学基金!(No .69772 0 1 3) |
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| 摘 要： | 针对信号的非平稳性质,引入傅里叶级数多谱和比例多周期图的概念,分别提出了零均值乘法噪声二次耦合及非零均值乘法噪声三次耦合谐波频率估计方法,仅使用单个数据记录即可得到耦合频率估计,并且可以抑制加性平稳噪声而无须假定其颜色和分布.最后给出了仿真实验结果.
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| 关 键 词： | 乘法噪声 耦合谐波频率估计 傅里叶级数多谱 比例多周期图 |
| 文章编号： | 0372-2112(2001)01-0075-05 |
| 收稿时间： | 1999-05-20 |
The Analysis of Nonlinear Coupled Harmonics in Multiplicative Noise |
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| WANG Hong-zhi,WANG Shu-xun,DAI Yi-song.The Analysis of Nonlinear Coupled Harmonics in Multiplicative Noise[J].Acta Electronica Sinica,2001,29(1):75-79. |
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| Authors: | WANG Hong-zhi WANG Shu-xun DAI Yi-song |
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| Affiliation: | 1.School of Computer Science and Engineering, Jilin Institute of Technology,Changchun 130012,China; 2.Information College,Jilin University of Technology,Changchun 130025,China |
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| Abstract: | For the nonstationary property of the mixed process,Fourier series polyspectra and scaled polyperiodograms are introduced.We propose a new method to estimate frequencies of quadratic coupled harmonics in multilicative noise with zero mean and ones of cubic coupled harmonics in multiplicative noise with non zero mean.Cupled frequencies can be obtained only by single record data and additive stationary noise is restrained without assumption of noise color and distribution.Finally, the simulation results are given. |
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| Keywords: | multiplicative noise frequency estimation of coupled harmomics fourier series ployspectra scaled ployperiodogra |
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