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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/11134

Title: 非線性系統之帶通取樣準則
Bandpass Sampling Criteria for Nonlinear Systems
Authors: 曾敬翔
Contributors: NTOU:Department of Electrical Engineering
國立臺灣海洋大學:電機工程學系
Keywords: 非線性系統;帶通取樣;模擬分析
Nonlinear system;Bandpass sampling;Simulation analysis
Date: 2001
Issue Date: 2011-06-28T08:08:28Z
Publisher: 行政院國家科學委員會
Abstract: Sampling criteria for nonlinear systems with a bandpass input signal are developed in this project. It is well known that the output signal of a nonlinear system may have a larger bandwidth than that of the input signal. According to the Nyquist sampling theorem, the sampling rate needs to be at least twice the maximum frequency of the output signal, otherwise the sampled output would be aliased. However, if the input is a bandpass signal, the spectrum of the output signal often occupies multiple frequency bands. In this case, it is possible, by using the bandpass sampling concept, to sample the output signal at a rate much lower than the Nyquist sampling frequency. In this project, conditions in which bandpass sampling can be achieved are derived for nonlinear systems up to the third order. The result can be used to choose an appropriate sampling frequency for nonlinear systems up to the third order.
Relation: NSC90-2213-E019-013
URI: http://ntour.ntou.edu.tw/ir/handle/987654321/11134
Appears in Collections:[電機工程學系] 研究計畫

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