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Spectrum Aliasing Does Occur Only in Case of Non-ideal Signal Sampling

Borys Andrzej Marek

International Journal of Electronics and Telecommunications

2021

Vol. 67, No. 1

79--85

In this paper, it has been shown that the spectrum aliasing and folding effects occur only in the case of non-ideal signal sampling. When the duration of the signal sampling is equal to zero, these effects do not occur at all. In other words, the absolutely necessary condition for their occurrence is just a nonzero value of this time. Periodicity of the sampling process plays a secondary role.