Digital correlation method was used to extract phase information as the phase information of eddy current testing signals could reflect the characteristics of detecting system.
涡流检测信号中的相位信息能反映检测系统的某些特性，讨论用数字相关法提取相位特征信息。
An all digital signal detecting system using C8051F060 as its core was completed. It can maintain the phase relation of sampling signal and modulating signal.
设计了以C8051F 060混合信号微控制器为核心的全数字信号检测系统，实现其采样信号和调制信号的相位关系保持。
The paper describes a digital measurement method - fundamental frequency phase detachment method -which is used for detecting the dielectric loss of electric equipment.
为有效减少基波相位分离法在非同步采样时给介损角测量带来的误差，提出了加汉宁窗插值的改进基波相位分离法。
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