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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/28381

Title: A universal formula for the complete bandpass sampling requirements of nonlinear systems
Authors: Ching-Hsiang Tseng
Contributors: NTOU:Department of Electrical Engineering
國立臺灣海洋大學:電機工程學系
Keywords: Aliasing;Volterra series;bandpass signals;nonlinear systems;sampling methods;signal sampling;spectral domain analysis
Date: 2009-10
Issue Date: 2011-10-21T02:37:21Z
Publisher: IEEE Transactions on Signal Processing
Abstract: Abstract:A nonlinear system driven by a bandpass input signal may produce an output signal that occupies multiple frequency bands. This makes bandpass sampling the output signal of the nonlinear system without causing aliasing a challenging task. Although the bandpass sampling theory for linear systems is well developed, its counterpart for nonlinear systems is relatively immature in the sense that complete bandpass sampling requirements have only been developed up to third-order nonlinear systems. In this paper, a novel method is used to derived the complete bandpass sampling requirements for nonlinear systems of an arbitrary order. The strategy used by this method is to build the constraints on the sampling frequency for n th-order nonlinear systems upon those for (n - 1)th-order nonlinear systems. This process makes the derivation easily extendable to nonlinear systems of any order. The derivation method also gives an insight into the mechanism for formularizing the constraints on the bandpass sampling frequency. As a result, a universal formula for the complete bandpass sampling requirements for nonlinear systems of any order is derived. This formula consolidates the bandpass sampling theory for nonlinear systems and facilitates the selection of the bandpass sampling frequency for nonlinear systems driven by bandpass input signals.
Relation: 57(10), pp.3869-3878
URI: http://ntour.ntou.edu.tw/handle/987654321/28381
Appears in Collections:[電機工程學系] 期刊論文

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