摘要
利用正交样品函数付氏算法 ,对一类交流采样原理算法进行了研究 ,利用二表测量原理得出工程上实现一类交流信号采样的计算方法 ,给出了采样值矩阵获取方法和小 CT/PT交流信号调理及滤波电路及实现交流信号采样计算的函数 ,并用 C语言实现了用该方法进行的设计 .通过工程证明 ,利用这种交流信号采样方法并选用小 CT/PT进行交流采样的方法精度高、适用于电力系统和其它工业控制系统的交流数据采集 .
The method and engineering application of alternating sampling are investigated by using Fourier algorithm,and caculatin algorithm of a type of alternating sampling is suggseted by using two meters.A new method of alternating data acquisition by A/D transformer and a modulating and filter circuit used for current and voltage signal are introducde ,and the function for alternating sampling calculation is deduced.The programming method of alternating sampling by C language is described.It has been proved that the circuitand algorithm are correct as well as submitted for alternating data acquisition in power system and other industrial control system.
出处
《厦门大学学报(自然科学版)》
CAS
CSCD
北大核心
2000年第3期299-303,共5页
Journal of Xiamen University:Natural Science
基金
国家教委 2 11工程重点资助项目