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h_l

于 2011-06-03 发布 文件大小:1KB
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  设计一个合成信号,合成信号包含30H、50Hz、80Hz,可以用正弦或余弦或雷克子波,要求消除50Hz信号(Design a synthetic signal, synthesized signal contains 30H, 50Hz, 80Hz, can be used or Ricker sine or cosine waves, requires the elimination of 50Hz signal)

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