It is a new branch that the artificial transmission line is introduced into optic electronic modulator, realizing phase velocity matched.
把人造传输线的观点引入电光调制器，实现相速度的匹配，是近年来才兴起的一个新的分支。
The products include the head end transmission equipments as adjacent modulator, demodulator, mixer;
邻频调制器、解调器、混合器等前端传输设备；
In chapter 5, to improve transient stability of multi-infeed HVDC transmission systems, a kind of HVDC additional power modulator based on nonlinear variable structure theory is proposed.
在本文第五章中，为了提高多馈入交直流系统的暂态稳定性，提出一种直流非线性变结构附加功率调制器。
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