基于EPP和计数器8254相位差的高精度测量  

High-precision Measurement of Phase Difference Based on EPP and Counter 8254

作　　者：史延龄[1] 邹来智[1] 李洪津[1] 

机构地区：[1]工程兵指挥学院,江苏徐州221004

出　　处：《仪表技术》2007年第5期5-7,共3页Instrumentation Technology

摘　　要：论述交流信号的周期、时间差及相位差的高精度测量方法,给出了信号检测电路、EPP与计数器8254的接口电路和主程序流程图。The paper discussed high-precision measurement detection method of period, time and phase differences of AC signal, gave the flow sheet of signal detecting circuit connection circuits for EPP and Counter 8254 and main programme.

关 键 词：信号检测 相位差测量 增强型并行口 

分 类 号：TM935[电气工程—电力电子与电力传动]