Time-frequency distribution series based on wavelet transform is discussed., and a new time-frequency tool: frequency-shear distribution is introduced into radar imaging fields.
讨论了基于小波变换的时频分布级数，把一种新的时频分析工具——频率-切变分布应用于时频成像。
As an example, the human carotid with local cosine form expansion was analyzed and the effects of local expansion on the distribution of wall shear stress and its gradient were discussed in detail.
文章以人体颈动脉余弦扩张为例进行分析，详细讨论了局部扩张对血管壁切应力及其梯度分布的影响。
Shear force distribution of round sample has good agreement with corrosion results.
片状试样表面剪切力分布与腐蚀结果一致。
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