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本文给出了快速阿达玛变换中M_(n+1)~(i)矩阵的每一行两个非零元素的表达式,并给出阿达玛变换光谱的公式解码方法和快速解码方法。
In this paper, the expression of two nonzero elements in each row of M_ (n + 1) ~ (i) matrices in Fast Hadamard transform is given and the formula decoding method and fast decoding method of Hadamard transform spectrum are given.