The testing principle of the laserheterodynemeasurement system is explained.
说明了激光外差测量原理。
2
With the improvement of measurement velocity in laserheterodyne interference, the theoretical error of laserheterodyne interference seriously restricted the accuracy of measurement.
随着激光外差干涉测量速度的提高,其存在的原理性误差严重影响测量精度。
3
This paper discussed an opto-heterodyne technique for small-plane-angle measurement with a frequency-stabilized longitudinal Zeeman laser as the light source.