An online block algorithm for frequency domain blind deconvolution was proposed based on the complete mutual information gradient and the properties of the score function difference (SFD).

基于完全互信息梯度表达式及得分函数差分的性质，提出一种在线频域盲解卷积块算法。

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Biovail , the pharmaceutical company, joined this campaign last week with its own allegations that Gradient and hedge fund SAC Capital, among others, worked to distort its shares by disseminating false information about the company.

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