Computation of running discrete Hartley transform coefficients

Abstract This work presents a fast algorithm for computation of the running discrete Hartley transform (RHT) coefficients. The method is based on the close relations between the running discrete Fourier transform and the RHT. For N point RHT only 2 N real multiplications are needed. The method is faster than some other digital filter approaches. The outcome of the algorithm enables also fast computation of the running discrete Fourier transform coefficients.