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Title: Fixed-point error analysis of fast Hartley transform
Authors: Prabhu, K.M.M.
Narayanan, S.B.
Keywords: Mathematical Techniques - Error Analysis; Signal Theory; Discrete Hartley Transform; Fast Hartley Transform; Fixed-Point Error Analysis; Hartley Transform; Mathematical Transformations
Issue Date: 1990
Citation: Signal Processing, 19(3), 191-198
Abstract: The fast Hartley transform (FHT) is emerging as an alternative to the more popular fast Fourier transform (FFT) in the processing of real signals. In this paper, a fixed-point error analysis has been carried out. The basic differences between the FFT and FHT flowcharts from the point of view of error analysis are first discussed. A suitable scaling model is chosen for the FHT and the average output signal-to-noise ratio is calculated both for decimation-in-frequency and decimation-in-time cases. The results are then compared with the FFT error-analysis results. ? 1990.
ISSN: 1651684
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