基于阶梯波参考信号的改进型正交锁定放大
周逢道1,2, 丁凯来1, 曾新森1, 薛开昶1, 孙彩堂1,2

Improved orthogonal lock-in amplification based on step wave reference signal
ZHOU Feng-dao1,2, DING Kai-lai1, ZENG Xin-sen1, XUE Kai-chang1, SUN Cai-tang1,2
硬件平台的结构框图