[KSCI] Korea Science Citation Index Service

Bandpass Discrete Prolate Spheroidal Sequences and Its Applications to Signal Representation and Interpolation

Oh, Jin-Sung (Halla University)

Publication Information

Journal of the Institute of Convergence Signal Processing / v.14, no.2, 2013 , pp. 70-76 More about this Journal

Abstract

In this paper, we propose the bandpass form of discrete prolate spheroidal sequences(DPSS) which have the maximal energy concentration in a given passband and as such are very appropriate to obtain a projection of signals. The basic properties of the bandpass DPSS are also presented. Assuming a signal satisfies the finite time support and the essential band-limitedness conditions with a known center frequency, signal representation and interpolation techniques for band-limited signals using the bandpass DPSS are introduced where the reconstructed signal has minimal out-of-band energy. Simulation results are given to present the usefulness of the bandpass DPSS for efficient representation of band-limited signal.

Keywords

Discrete prolate spheroidal sequences; signal representation; interpolation; bandpass signal;

Citations & Related Records

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