The importance of the optical outputpowercontrol in the optical communication is discussed in this paper, and a kind of power control circuit is proposed.
分析了光输出功率控制在光通信中的重要性，提出了一种有效的光功率控制电路。
2
This allows me to maintain consistent manual control of the flash's outputpower in relatively static shooting situations, like traditional portraiture.
这样我可以保证在类似拍摄环境下闪光灯输出的一致性，就像传统的肖像画。
3
Control of the poweroutput is accomplished by varying the fuel supply.