For infinite precision sampling of a band-limited signal at the Nyquist Frequency,
the signal-to-noise ratio after samples is
(1) |
(2) |
(3) |
See also Nyquist Sampling, Oversampling, Quantization Efficiency, Sampling Function, Shannon Sampling Theorem, Sinc Function
References
Feuer, A. Sampling in Digital Signal Processing and Control. Boston, MA: Birkhäuser, 1996.
Thompson, A. R.; Moran, J. M.; and Swenson, G. W. Jr. Interferometry and Synthesis in Radio Astronomy.
New York: Wiley, pp. 214-216, 1986.