假设这个噪声在所有的频率上具有恒定的功率谱密度(Power Spectral Density PSD),满足这一恒定 PSD 特性的噪声叫白噪声,另外假设唤声幅度具有高斯概率密度函数。
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The correlation between the standard classified road power spectral density (PSD) and international roughness index (IRI) was discussed by using regressive analysis.
通过回归分析的方法对标准分级道路功率谱密度与相应国际平整度指数之间的关系进行了研究。
They obey normal distributions. Distributions of power spectral density (PSD) for pressure signal display narrower frequency range and higher amplitude.
压力信号的功率谱密度具有频率波动范围窄、幅值大的特点;
The use of Fourier analysis techniques to measure the wavefront power spectral density (PSD) in mid frequency domain is discussed.
波前功率谱密度 (PSD)被用于评价惯性约束聚变激光驱动器光学元件在中频区域的波前误差。
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