平稳信号分严平稳和宽平稳,严平稳的条件在信号处理中太严格,不实用,一般所说的平稳是指宽平稳。
... • 随机信号的平稳性分类 – 随机信号根据其统计特性的时变特性,可以分为2 类: – 平稳随机信号(stationary random signal); • 严平稳(strictly-sense stationary)随机信号; • 宽平稳(Wide-sense stationary)随机信号(即 广义平稳随机信号) –...
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非平稳随机信号 [通信] nonstationary random signal ; non-stationary signal
弱平稳随机信号功率谱 Weak-stationary random signal power
这对瞬态信号和变频率的非平稳随机信号分析尤为重要。
It is especially important for the analysis on transient signals and zion-stationary random signals with changing frequencies.
验证了时间序列分析方法在非平稳随机信号处理方面的可靠性;
The reliability of the time-series analysis method in processing unsteady random signals is verited.
该方法得到的趋向性序列能更准确地逼近非平稳随机信号的趋向性曲线。
The trend component series derived from this way can near more exactly the trend component curve of the variance-stationary random signal.
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