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《Journal of China Institute of Communications》 1986-03
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A New Discrete Orthogonal Transform Constructed by Using the H Product Operation of Matrices

Kou Weidong (Northwest Telecommunication Engineering Institute)  
In this paper, a new discrete orthogonal transform called RH transform (RHT) is proposed by using the H product operation of matrices defined in [1]; some its properties are discussed, and a fast algorithm for computing it is also given. The transform has less operations (need only 5N-4 (log2N + 1) additions and no more than N m ultiplications for an N point transform), and possesses an invariant property of power spectra for cyclic shifts.
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