Function with power 4 is adopted as non-quadratic function,therefore, neg-entropy based non-Gaussianity measurement can be transformed into kurtosis form,which can decrease the computational complexity.
该算法使用四次幂函数,把基于负熵的非高斯性测度转化为信号峰度的形式,降低了计算量。
参考来源 - 独立分量分析算法及其在多用户检测中的应用·2,447,543篇论文数据,部分数据来源于NoteExpress
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