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为了在内场对激光制导武器的作战能力进行鉴定,设计了激光指示信号内场仿真系统。针对该仿真系统的组成及其工作原理,分别对激光指示信号的发散角、能量及方向的内场等效方法进行了分析,设计并标定了三者的动态调整装置。试验结果表明:该系统动态模拟的激光指示信号光斑直径相对误差小于2.5%,能量衰减动态调整误差小于0.2 d B,方位及俯仰的动态调整误差分别小于1.3 mrad、0.6 mrad。该仿真系统已应用于某光电对抗内场仿真项目中,可为激光制导武器内场鉴定试验提供高仿真度的激光指示信号。
In order to identify the capability of laser-guided weapons in the field, a laser-instructing signal infield simulation system is designed. According to the composition of the simulation system and its working principle, the equivalent methods of the divergence angle, energy and direction of laser instructing signal are analyzed respectively. The dynamic adjusting device of the three is designed and calibrated. The experimental results show that the relative error of laser spot diameter is less than 2.5%, the dynamic adjustment error of energy attenuation is less than 0.2 d B, and the dynamic adjustment errors of azimuth and pitch are less than 1.3 mrad and 0.6 mrad respectively. The simulation system has been applied in a photoelectric countermeasure field simulation project, which can provide high simulation laser indication signal for the field test of laser guided weapon.