Study on spectrum stray of DDS signal

摘要：

DDS(Direct Digital Synthesis) is a new method of Frequency Synthesis by which the linear phase sequence of sine wave is converted to amplitude sequence. And the sine wave with specific frequency is obtained when the amplitude sequence is drived into D/A and low-pass filter .The disadvantage of DDS is it brings big stray, narrow bandwidth. The paper explore the ways to reduce stray arise from phase Interruption, amplitude quantification, the nonlinearity of DAC.

关键词： DDS Linear Phase Sequence Stray Phase Interruption.

作者: ZHENG Lungui ZHENG Bin LI Jian

作者单位: Key Laboratory of Instrumentation Science & Dynamic Measurement (North University of China), Ministry of Education Department of Electronic Science and technology, North university of China, Taiyuan, 030051

会议类型: 国际会议

会议名称: 第七届国际测试技术研讨会

会议地点: 北京

会议语种:英文

在线出版日期: 2007-08-05（万方平台首次上网日期，不代表论文的发表时间）