多采样率信号处理的发展作者:万伟程 李艳华 周三文来源:《现代电子技术》2014年第13期 摘 遥望宋朝
要: 数字通信系统中,为适应传输、降低资源消耗、适于处理操作,常需要变换信号的采样率。多采样率信号处理理论从语音信号处理中发展起来,在应用中不断丰富。随着软件无线电的应用,多采样率变换在数字信号领域占据越来越重要的地位。多采样率信号处理技术与小波分析、分数阶傅里叶变换等其他信号处理技术相结合是未来发展的方向。 关键词: 多采样率; 信号处理; 数字滤波器;海域划分 傅里叶变换
中图分类号: TN911.72⁃34 文献标识码: A 文章编号: 1004⁃373X(2014)郑苹如13⁃0057⁃03
Development of signal processing at multi⁃sampling rates
WAN Wei⁃cheng孙仪之, LI Yan⁃hua咬颊症, ZHOU San⁃wen
(Beijing Research Institute of Telemetry, Beijing 100076, China)
Abstract: The sampling rate of signal often needs to be changed for fitting transmission,上海市公安局长落网记 reducing resource consumption and suiting process handling in digital communication system. Multirate signal processing theory arose from speech signal processing and was enriched in application. Multirate signal processing plays an important role in digital signal processing with the application of software radio. It′s a tendency of combining the multirate signal processing with wavelet analysis and fractional Fourier transform.