激光制导半实物仿真中弱激光能量测试和控制

Test and model to extra laser energy in the lab on laser-guided weapon simulation

介绍了激光制导半实物(HWIL)仿真中1064nm激光散射微弱能量的测量方法,设计并构建了激光散射弱能量测量系统。结合室内大气路径气溶胶Mie散射理论进行激光散射微弱能量预测模型分析,利用测量系统进行了实地验证,预测模型结果与实际测量结果符合较好,该系统可以满足实验室激光大气传输弱激光能量测量要求。分析了影响实际仿真结果的主要因素,指出在仿真测试过程中应根据测试需求和测试手段采取合理的空间布局和必要的干扰能量控制措施以减小额外干扰能量对仿真结果的影响。

The methods to test extra weak laser scattering energy at 1 064 nm in the hardware-in-the-Loop(HWIL) laser-guided weapon(LGW) simulation are introduced.The extra weak laser energy test system is composed of an optical interference filter,the optoelectronic detector modules and a Tektronix TDS 620B oscilloscope.And the fundamental theories related to the Mie scattering models of laser propagation in atmosphere are also studied.The practical test results accord with the predicted models and simulation well.Th...