The power spectrum analysis based signal processing method was studied.

研究基于周期图谱分析的涡街信号处理方法。

Blasting Vibration; Injury; Power Spectrum; Slope; Numberical simulation.

爆破振动；损伤；功率谱；边坡；数值模拟。

Estimate the signal power spectrum from recorded traces in neighbouring pairs.

其二是利用两两毗邻的记录道来估计信号功率谱。

Auto power spectrum of the periodic and quasi-periodic solution has been obtained.

得到了周期解和准周期解的自相关功率谱线。

Experiments prove that the method can accurately estimate the noise power spectrum.

实验证明该方法能够相当准确地估计出噪声功率。