Alias-free sampling: An alternative conceptualization and its applications
- 1 May 1978
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Information Theory
- Vol. 24 (3) , 317-324
- https://doi.org/10.1109/tit.1978.1055889
Abstract
A new concept of alias-free sampling of continuous-time processesX = { X(t), -infty < t infty }is introduced. The new concept is shown to be distinct from the traditional concept [1]-[3]. various criteria for a given sampling scheme{t_{n}}to be alias-free in the new sense are developed. The relationship of the new definition to the question of estimating the spectral density functionPhi(lambda)of the continuous-time processXfrom its samples{X(t_{t})}is discussed.Keywords
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