相似文献/References:
[1]钱俞寿,杨今昔.工频信号相位的精密测量[J].东南大学学报(自然科学版),1989,19(5):76.[doi:10.3969/j.issn.1001-0505.1989.05.011]
Qian Yushou Fang Jinxi (Department of Electrical Engineering).Precise Phase Measurement for Industrial Frepuency Signals[J].Journal of Southeast University (Natural Science Edition),1989,19(4):76.[doi:10.3969/j.issn.1001-0505.1989.05.011]