The distribution of wall pulsation pressure amplitude probability of level spiraling flow spillway tunnel basically presents the Gauss normal distribution;
水平旋流泄洪洞壁面脉动压强振幅概率分布基本上呈现高斯正态分布；
Based on radar clutter distribution, the radar clutter model is analysed for amplitude probability density distribution and power spectrum density distribution.
从雷达杂波的分布特性出发，分析了杂波的解析模型，阐述了雷达杂波幅度的概率密度分布及其功率谱密度分布。
Based on radar clutter distribution, the radar clutter model is analysed for amplitude probability density distribution and power spectrum density distribution.
从雷达杂波的分布特性出发，分析了杂波的解析模型，阐述了雷达杂波幅度的概率密度分布及其功率谱密度分布。
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