Complete Analysis of the Spurious Spectrum of DDS in the Presence of Phase Truncation

被引：1

作者：

Li, Zhengming ^{[1
]}

Chu, Tiantian ^{[1
]}

Wang, Yinghai ^{[1
]}

Chen, Ting ^{[1
]}

机构：

[1] Jiangsu Univ, Sch Elect & Informat Engn, Zhenjiang 212013, Peoples R China

来源：

PROCEEDINGS OF 2009 IEEE INTERNATIONAL CONFERENCE ON SERVICE OPERATION, LOGISTICS AND INFORMATICS | 2009年

关键词：

DDS; spurious; phase truncation; mother spectrum; windowing function;

D O I：

10.1109/SOLI.2009.5203973

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

This paper first presents an approach that can accurately calculate the spurious spectrum of the DDS in the presence of phase truncation. Based on the analysis of phase truncation error sequences and their spectrum, it is concluded that only L times Fourriere transforms are required for the accurate calculation of the spurious spectrum by using the proposed approach. Second, when analyzing the mother spectrum, a windowing function is introduced to greatly reduce the amount of computation required. The proposed new algorithm therefore can fast and accurately calculate the spurious spectrum amplitude and location which is further verified by simulation results.

引用

页码：439 / 442

页数：4

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