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Titlebook: Sigma Delta Modulators; Nonlinear Decoding A Søren Hein,Avideh Zakhor Book 1993 Springer Science+Business Media New York 1993 Signal.analog

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书目名称Sigma Delta Modulators
副标题Nonlinear Decoding A
编辑Søren Hein,Avideh Zakhor
视频video
丛书名称The Springer International Series in Engineering and Computer Science
图书封面Titlebook: Sigma Delta Modulators; Nonlinear Decoding A Søren Hein,Avideh Zakhor Book 1993 Springer Science+Business Media New York 1993 Signal.analog
描述Analog-to-digital (A/D) converters are key components indigital signal processing (DSP) systems and are therefore receivingmuch attention as DSP becomes increasingly prevalent in telephony,audio, video, consumer products, etc. The varying demands onconversion rate, resolution and other characteristics have inspired alarge number of competing A/D conversion techniques. .Sigma DeltaModulators: Nonlinear. .Decoding Algorithms and StabilityAnalysis. is concerned with the particular class of A/D techniquescalled oversampled noise-shaping (ONS) that has recently come intoprominence for a number of applications. The popularity of ONSconverters is due to their ease of implementation and robustness tocircuit imperfectors.An ONS converter consists of an encoder that generates a high-rate,low-resolution digital signal, and a decoder that produces a low-rate,high-resolution digital approximation to the analog encoder input. Theconventional decoding approach is based on linear filtering..Sigma. .Delta Modulators. presents the optimal design of anONS decoder for a given encoder. It is shown that nonlinear decodingcan achieve gains in signaling ratio and the encoder architecture. Thebook then add
出版日期Book 1993
关键词Signal; analog; architecture; coding; design; digital signal processing; digital signal processor; filterin
版次1
doihttps://doi.org/10.1007/978-1-4615-3138-8
isbn_softcover978-1-4613-6373-6
isbn_ebook978-1-4615-3138-8Series ISSN 0893-3405
issn_series 0893-3405
copyrightSpringer Science+Business Media New York 1993
The information of publication is updating

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Introduction,ransducers [2], [3], voice-band codecs for telephony and the ISDN U-interface [4], [5], [6], modems, audio recording for Compact Disc (CD) and Digital Audio Tape (DAT) [7], [8], [9], [10], audio interfaces in Personal Computers (PCs) and workstations, digital radio [5], video signal acquisition [11] and storage oscilloscopes [12].
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Halftone to Continuous-Tone Conversion of Error-Diffusion Coded Images,ftone-to-contone conversion, and show simulation results that compare the performance of the algorithm to that of conventional linear lowpass filtering. We find that the new technique results in subjectively superior reconstruction.
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Book 1993es increasingly prevalent in telephony,audio, video, consumer products, etc. The varying demands onconversion rate, resolution and other characteristics have inspired alarge number of competing A/D conversion techniques. .Sigma DeltaModulators: Nonlinear. .Decoding Algorithms and StabilityAnalysis.
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Optimal Decoding for ONS Encoders with Constant Inputs,s in which the analog input is approximately constant. The decoding algorithms are conceptually simple and are applicable to all current ONS encoders including single-loop and double-loop, cascade and interpolative encoders. The performance of the algorithms is identical to that of the table look-up
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Optimal Decoding for ONS Decoders with Band-Limited Inputs,ding algorithm is based on the theory of Projections Onto Convex Sets (POCS), and alternates between a time-domain operation and a band limitation to find a signal invariant under both. The time-domain operation results in a quadratic programming problem. The band limitation can be based on a signal
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