前缘锯齿对边界层不稳定噪声峰值频率没有影响。
The leading-edge serrations have no effect on the instability noise peak frequency.
本文将正态随机过程的峰值分布理论推广到环境噪声峰值的空间分布的计算上。
The theory of distribution of peaks in normal random process has been expanded to calculate the spatial distribution of environmental noise peaks.
为了提高测量精确度，减少随机误差，对噪声峰值测量应采用统计平均方法，所以也需要一定的测量时间。
In order to increase the measuring accuracy the sample averaging method must be introduced, so that a certain time of measurement is needed.
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