The characteristic of time-window function plays a decisive role in revising the characteristic of digital filter; therefore, it is particularly important to study ideal time-window function.
时窗函数的性质对修正数字滤波器的特性起着决定性作用，所以研究理想的时窗函数显得特别重要。
The program can be operated under the introduction of Chinese words, and possesses the function of revising and selecting on screen.
程序中有汉字提示，可在屏幕上进行修改、选择。
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