We also use short time Fourier transforms to analyze the spectrum of the scattered wave during the propagation process, and obtain some useful results.
并用短时傅立叶变换分析了声波传播过程中晶粒散射波的频谱特性。 获得了一些有用结果。
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The paper analytically discusses two factors, the spectrum of photon and the scattered radiation by the detector, which affect the attenuation efficient of the object in flash X-ray radiography.
研究闪光照相中影响材料有效吸收系数的两个主要因素,即X光的能谱效应和散射影响。
3
Fig. 1. Intensity distributions of the pure rotational Raman spectrum and Rayleigh-Mie spectrumscattered by atmospheric molecules.