The steady temperature field in irregular plane domain with radiation heat exchange boundary is analyzed by the boundary discrete method, and the solution in form of series is obtained.
采用边界离散方法对具有辐射换热边界的平面非规则域内稳态温度场进行了分析，得到了级数形式的解。
Numerical results show how the intensity of emitted light varies from the spontaneous radiation, which undergoes amplification by small-signal gain, to the steady output due to the saturation effect.
结果显示了随机激光器中辐射光能量从自发辐射开始，经历小信号增益状态得到放大，再到由于增益饱和形成稳态输出的整个演化过程；
Numerical results show how the intensity of emitted light varies from the spontaneous radiation, which undergoes amplification by small-signal gain, to the steady output due to the saturation effect.
结果显示了随机激光器中辐射光能量从自发辐射开始，经历小信号增益状态得到放大，再到由于增益饱和形成稳态输出的整个演化过程；
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