Theoretically, the expected output of impulse deconvolution is a spike, whose frequency spectrum can be considered as that of white noise.

从理论上说，脉冲反褶积的希望输出信号是一个尖脉冲，其频谱可以看成是一个白噪信号的频谱。

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The features of Surface Nuclear Magnetic Resonance(SNMR) signal for underground water and the sources and characters of the spike noise distortion are analyzed.

首先分析了地面核磁共振信号的特征和奇异噪声的来源与特点，提出了相应的消除方法并进行了仿真研究。

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It turns out that the noise on big-time Facebook walls almost entirely drowns out trends like those, but posting volume does spike when wall owners make it into the news.

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