Research on the Correction Method of Three-dimensional Non-uniform Errors in the Parallel Acquisition System

摘要：

Parallel alternative sampling is an effective way to break through the speed limit in analog-digital (A/D) conversion and improve the digitalization rate. A normalized correction algorithm is proposed through the analyses of the mathematical model of three errors of parallel alternative acquisition system; the error of inter-channel sampling time is then obtained by estimating the non-uniformity parameters of time on condition that the offset and gain errors of the system are solved; finally, the time nonuniform errors is corrected through the highprecision programmable clock delay network. The correction method proposed in the thesis, after testing and verifying, is proved to be with a high real-time performance and have reduced the design difficulty of hardware and costs and improved the real-time performance of the system.

关键词： parallel acquisition three-dimensional non-uniform errors time non-uniform amplitude non-uniform.

作者: Peng Ye Hao Zeng Chuanyun Xiang Houjun Wang Shulin Tian

作者单位: School of Automation Engineering,University of Electronic Science and Technology of China Chengdu,Sichuan,China

会议类型: 国际会议

会议名称: 2009 9th International Conference on Electronic Measurement & Instruments(第九届电子测量与仪器国际会议 ICEMI2009)

会议地点: 北京

会议语种:英文

页码: 3722-3727

在线出版日期: 2009-08-16（万方平台首次上网日期，不代表论文的发表时间）