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H(z)?Ha(s)?s?C1?z?11?z?11将C＝2.4142
1?z?121?z?1(C)?1.414(C)?1?1?11?z1?z(1?z?1)2?2C(1?z?1)2?1.414C(1?z?1)(1?z?1)?(1?z?1)2代入，经整理得：
1?2z?1?z?2H(z)?
10.241?9.657z?1?3.415z?2
25
《数字信号处理》复习总结大全
《数字信号处理》复习总结大全.doc
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H(z)?Ha(s)?s?C1?z?11?z?11将C＝2.4142
1?z?121?z?1(C)?1.414(C)?1?1?11?z1?z(1?z?1)2?2C(1?z?1)2?1.414C(1?z?1)(1?z?1)?(1?z?1)2代入，经整理得：
1?2z?1?z?2H(z)?
10.241?9.657z?1?3.415z?2
25