We point out the redundancy of a dynamic threshold group signature scheme and demonstrate three attacks on it.
指出一种动态门限群签名方案有冗余，提出了针对该签名三种攻击。
For receiving burst signal, we introduce the scheme of DC coupling and dynamic threshold decision.
对于突发式信号的接收，我们采用了直流耦合和动态阈值判决的技术方案。
In this scheme, an input image block can be selectively encoded by the proposed puzzled block, the dynamic codebook or the super-codebook according to the predefined distortion threshold.
在此编码方案当中，根据预先定义的匹配失真阈值，图像可以有选择地利用拼凑块、动态码本及码本库编码。
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