slip window sampling 滑动窗口法
hanning-window sampling 汉宁窗采样
sampling window 抽样窗口
sampling window method 窗口取样法
rotation sampling window 旋转采样窗口
The grey level processing in a sampling window is a very important method for image transforming.
窗口灰阶处理是一种具有重要意义的图象变换方法。
It changes the sampling waves into absolute values and set half period as data window length.
该方法是将采样波形取绝对值，定义数据窗长度为半个周期。
By using MATLAB signal and using window method, frequency sampling and Chebyshev approximation the design of low pass digital filter in the toolbox have been processed.
采用窗函数法、频率抽样法和切比雪夫最佳一致逼近法，通过调用Matlab信号处理工具箱中的函数设计低通数字滤波器。
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