The Goos-Hnchen shift of the transmitted light beam in a two-prism configuration is investigated by stationary-phase approach when the incidence angle is less than the critical angle.
利用稳态相位法研究了当入射角小于全反射临界角时双棱镜结构中透射光束的古斯汉欣位移。
The results show that the phase shift angle can be measured accurately based on the cross-spectrum method with equivalent interval sampling of workpiece rotary angles.
结果表明，利用等工件转角间隔采样通过互功率谱密度方法可以实现相位差的精确在线测试。
In this paper, several phase shift methods generally used in accurate test and measurement are discussed. The minor angle circuit is superfacially analyzed mainly.
对精密测试中常用的几种移相方法进行了讨论，主要浅析小角度电路移相方法。
THD phase shift with the changes, the two main circuit results in line with the shift is the increase of phase angle, and showed overall larger trend.
THD随移相角的变化，两种主电路结果一致，都是随移相角的增大，而呈现总体变大的趋势。
THD phase shift with the changes, the two main circuit results in line with the shift is the increase of phase angle, and showed overall larger trend.
THD随移相角的变化，两种主电路结果一致，都是随移相角的增大，而呈现总体变大的趋势。
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