地震资料的小波压缩
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摘要
本文讨论了利用紧支集的Daubechies小波实现数据压缩的方法,并针对数据压缩时存在的问题,提出时频域多级舍弃误差小波压缩方法。该法可以成功地压缩地震数据,较一般小波压缩方法有两个优点,其一,可保留大旅行时小振幅波的频率成分;其二,有害的远离有效频率中心的频率成分得到了压制。最后给出了实际地震资料的压缩实例。
引文
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