| 非平稳随机过程谱密度函数的另一定义及实例分析 |
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| 引用本文： | 丁志中,易茂祥.非平稳随机过程谱密度函数的另一定义及实例分析[J].合肥工业大学学报(自然科学版),1996(2). |
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| 作者姓名： | 丁志中 易茂祥 |
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| 作者单位： | 合肥工业大学计算机与信息系 |
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| 摘 要： | 用时变谱描述非平稳过程的谱密度能够反映非平稳过程频率成份的时变特点，但是其物理概念仍不是很明确。为此，文章给出一种非时变谱的定义形式以及在此定义下的一个实例分析。
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| 关 键 词： | 谱密度函数 随机过程 信号分析 |
A KIND OF DEFINITION OF SPECTRAL DENSITY FUNCTION FOR UNSTEADY STOCHASTIC PROCESS AND AN EXAMPLE OF ANALYSIS |
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| Ding Zhizhong,Yi Maoxiang.A KIND OF DEFINITION OF SPECTRAL DENSITY FUNCTION FOR UNSTEADY STOCHASTIC PROCESS AND AN EXAMPLE OF ANALYSIS[J].Journal of Hefei University of Technology(Natural Science),1996(2). |
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| Authors: | Ding Zhizhong Yi Maoxiang |
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| Institution: | Ding Zhizhong;Yi Maoxiang |
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| Abstract: | Time-varible spectral can indicate the time-varible characteristics of unsteady stochastic process,but it's physical meaning is not very clear.So a kind of definition of time-invarible spectral for the unsteady stochastic process and an example of analysis are given in this paper. |
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| Keywords: | spectral density function stochastic process signal analysis |
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