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我国光通信将进入建设高峰
【出 处】
：
激光与光电子学进展
【发表日期】
：
2009年46期
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激光器技术是激光测距系统中的关键技术。高性能测距应用中对激光器的要求主要包括峰值功率高，稳定性好。为了实现远距离激光测距，设计了一种大电流、高稳定脉冲激光器驱动电路。建立了该电路的数学模型，使用Matlab仿真软件，分析了各关键参数对脉冲恒流源的影响。仿真结果显示了开环运放的压摆率，后级电路时间常数以及电路噪声对输出电流平均值，上升时间，稳定度的影响。最后测试结果表明，该电路模块能产生20 A的脉冲电流，稳定度约99%，能够驱动脉冲激光器正常工作，达到测距系统要求。
提出了一种应用于红外图像仿真的级联多尺度信息融合生成对抗网络,能由可见光图像估计对应的红外图像。针对可见光与红外图像特征之间的关联与区别,该网络采用级联的对抗网络结构:第一级对抗网络以语义分割图像为辅助任务,使用大感受野的卷积网络结构,重建红外图像的结构信息;第二级对抗网络以可见光的灰度反转图像为辅助任务,采用小感受野的网络结构,补充红外仿真图像的细节纹理信息,并使用多尺度融合模块整合多感受野信息
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