用平均平滑周期图法分别估算出信号与噪声的功率谱密度函数。
The power spectrum of the noise and signal are estimated by the average smooth periodogram method.
本文针对混合数据信号的特征，提出一种新的模糊平滑法，沿用加权平均的思想，对信号相邻的点之间进行加权运算。
According to the characteristics of mixed data signals, this paper proposes a new fuzzy smoothing method, which USES weighted mean idea to share the neighboring samples' data value.
时域平均法是从混有噪声的信号中提取周期性分量的最有效方法。
The time domain average method is an efficient method to extract period components from the signal mixed with noise.
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