The adaptive adjusting system of the detected signal is designed. The auto-adjusting range of 10 4 is obtained. This is satisfied for the submarine laser communication test system.

• 研究了光电倍增管的增益变化特性 ,据此设计出了一种实用的激光探测信号动态范围自适应调节系统 ,该系统自动调节范围可达 1 0 4 ,能满足激光对潜通信系统在不同天气、不同海况及不同海域等条件下的应用。