Referenced Items are not available for this document.
Unlike the continuous case, given two discrete periodic signals, their sum is always periodic. We give a characterization for the period of the sum; as shown, the least common multiple of the periods of the signals being added is not necessarily the period of the sum. Number theoretical proofs are given for the sake of rigor; examples and an interpretation in the Fourier frequency domain are given for the sake of intuition and applications.
Published in:
Signal Processing Letters, IEEE
(Volume:5
,
Issue:
7
)
Date of Publication: July 1998
- Page(s):
- 164 - 166
- ISSN :
- 1070-9908
- INSPEC Accession Number:
- 5973746
- Digital Object Identifier :
- 10.1109/97.700917
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- July 1998
- Sponsored by :
- IEEE Signal Processing Society
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