Orthogonal Multi-Carrier Modulation(OMCM) is adopted to overcome the frequency selectivity and time variation of low-voltage power line channel.
为克服低压电力线信道的频率选择性和时变性，系统采用正交多载波方式传输信息。
RF power modulation is used to control the codeposition and the selective silicon removal steps with the later proceeds whenever the RF power is turned off or reduced to a low level.
使用RF功率调变控制该共沉积作用及该选择性硅去除步骤，后者步骤总是在关闭该R F功率或是将其降至低水准时进行。
For high-speed and low-drive -power light, modulation, the advantages of the use of asymmetric strip line was shown.
对结果的分析讨论表明，非对称微带电极用于极性反转电极结构对在高频波段实现低驱动功率光调制是十分有效的。
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