A new method and an experimental unit for realizing phase shift interferometry by means of spatial domainsampling is proposed.
提出了一种利用空域采样实现相移干涉计量的新方法和实验演示装置。
2
The high-speed AD change is used as the core of high-speed oscillograph, and time domainsampling is applied for sampling oscillograph.
高速实时示波器以高速AD变换为核心，取样示波器采用时域取样。
3
The time-frequency domainsampling characteristics of periodic signal, the truncation error and the spectrum leakage error caused by asynchronous sampling are discussed in detail.