waterfall plot

基本解釋

The above chart illustrates the S2.1M satellite's performance, using color Waterfall Plot graphic analysis.
上述圖表用彩色的瀑布圖分析說明了S2.1M衛(wèi)星箱的性能。
Then, the numerical simulation has been made by pseudo-spectral method (PSM), and the waterfall plot of the wave was draw with Matlab.
實踐證明：用基于短時傅里葉變換的瀑布圖來分析非平穩(wěn)信號，具有分辨率高、特征提取結(jié)果更為精確的特點。