Design of Digital Fractional Order Differentiator Using Discrete Sine Transform

被引：0
|
作者：
Tseng, Chien-Cheng [1 ]
Lee, Su-Ling [2 ]
机构：
[1] Natl Kaohsiung First Univ Sci & Technol, Dept Comp & Commun Engn, Kaohsiung, Taiwan
[2] Chang Jung Christian Univ, Dept Comp Sci & Informat Engn, Tainan, Taiwan
来源：
2013 ASIA-PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE (APSIPA) | 2013年
关键词：
ALGORITHM;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, the designs of digital fractional order differentiator (DFOD) using discrete sine transforms (DST) are presented. First, the definition of fractional differentiation is reviewed briefly. Then, the DST-based interpolation method is applied to compute the fractional differentiation of a given digital signal. Next, the transfer functions of DFOD are obtained from the DST computational results by using index mapping method. Finally, some numerical and application examples are demonstrated to show the effectiveness of the proposed DST-based design method.
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页数：9
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