问题描述：
英语翻译
It is convenient to normalize W(w) in the stopband to unity and to set it to the ratio of the approxi mation errors (d2/d1) in the passband.
It is convenient to normalize W(w) in the stopband to unity and to set it to the ratio of the approxi mation errors (d2/d1) in the passband.
问题解答：
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