The results indicate: (1) the gain coefficient fluctuates across the threshold in a period of the pulse trains, it appears as the gain saturation.
结果表明：(1)序列脉冲的一个周期内，增益系数大致在阈值上下波动，显示了增益饱和效应。
Then the amplitude threshold is established combined with detection probability. The method of ascertaining pulse number threshold is analyzed according to orientation requirement and target size.
在此基础上，结合探测概率制定幅度门限，根据定位要求及目标尺寸，分析了脉冲个数门限的确定方法。
The results show: pulse power density from CO2 laser reaches air breakdown threshold through thrice reflecting focus system, and plasma radiation phenomena is observed in the experiment.
结果表明，脉冲co 2激光功率密度经三次反射激光聚焦系统达到空气击穿阈值，实验中观察到等离子体发光现象。
应用推荐