介绍了这种锗材料作为调制器代替机械调制方法的基本原理，并且进行了对比研究。
The author introduced the basic principle of this novel modulator and made a comparison between it and traditional method.
同时为满足空间光通信使用要求，完成了电光调制器机械结构的小型化设计。
To meeting the applying requirement of space optical communication, we designed and realized the miniaturization of mechanical structure for electro-optic modulator.
为了提高激光多普勒调制器调制频率的稳定度，通过从光学、机械、电子学等方面的优化，对影响多普勒调制器的各种因素进行了深入的研究。
In order to improve the frequency stabilization of the Doppler modulator, a series of affecting factors are considered in depth and optimized in the aspects of optics, mechanics and electronics.
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