【摘要】 从分析典型的相位差数字化测量方法入手,对实测精度优于0.02°的工频相位计的硬件及软件机理进行了介绍,并对提高相位差测量精度的技术措施及相关电路进行了详细说明。更多还原

【Abstract】 This paper analyzes typical digital measurement method for phase difference;explains the hardware and software principle of power signal phase meter,whose phase error is less than 0.02°,and describes the technical procedure and relevant circuit to gain better accuracy in phase difference measurement.更多还原