NDLI: Finite limiting effects for a band-limited Gaussian random process with applications to A/D conversion

Content Provider	IEEE Xplore Digital Library
Author	Morgan, D.R.
Copyright Year	1974
Abstract	The theory of finite limiting effects for a bandlimited Gaussian random process is reviewed and a mathematical expression for the asymptotic distortion spectrum is derived which is accurate for frequencies outside of the original bandwidth. An expression is also derived for the total distortion power which is shown to be useful for estimating the aliased distortion spectrum when sampling is used to form a discrete-time signal. Combining these results with the asymptotic distortion spectrum also gives an estimate of the DC power of the distortion. An important application of these results is in A/D (analog-to-digital) conversion where the input signal is implicitly limited by the largest quantization level. Curves are given for the overall signal-to-distortion-plus-quantization-noise ratio (SDQR) as a function of normalized input level and number of bits carried. The maximum SDQR is realized over a narrow range of input levels which is centered at about -12 dBfs (relative to full-scale) for an 8-bit A/D.<>
Starting Page	1011
Ending Page	1016
Page Count	6
File Size	637000
File Format	PDF
ISSN	00963518
Volume Number	36
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1988-07-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Random processes Distortion Frequency Bandwidth Signal sampling Quantization
Content Type	Text
Resource Type	Article
Subject	Signal Processing

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