Recursive formulation of short-time discrete trigonometric transforms

被引：12

作者：

Macias, JAR ^{[1
]}

Exposito, AG ^{[1
]}

机构：

[1] Univ Seville, Dept Elect Engn, E-41012 Seville, Spain

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-ANALOG AND DIGITAL SIGNAL PROCESSING | 1998年 / 45卷 / 04期

关键词：

D O I：

10.1109/82.663812

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：

Recursive formulations of the moving-window discrete Fourier transform (DFT) are well known, However, recursive versions of other useful discrete transforms, like the moving-window discrete cosine transform (DCT), discrete sine transform (DST), or discrete Hartley transform (DHT), have not been developed so far, In this paper, second-order recursive expressions for the DCT, DST, and DHT, intended for real-valued windowed sequences, are presented.

引用

页码：525 / 527

页数：3

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