激光干扰远场光电探测器能量估算方法

Energy estimation method for laser disturbing photoelectrical detectors in remote distance

为了研究复杂电磁环境下激光武器对抗光电精确制导武器的关键技术,综合分析了激光大气传输、大气湍流效应、探测器自身因素、激光干扰系统瞄准精度等因素对激光干扰效果的影响。以CO2激光辐照红外成像制导武器为例,研究了激光在大气中的传输特性,建立了激光有效干扰远场光电探测器时所需激光能量的估算模型,总结了形成有效干扰所需激光能量估算的一般方法,丰富了激光与光电探测器相互作用的研究,对提高复杂电磁环境下的光电对抗能力具有重要意义。

In order to investigate the key technologies of laser weapon counterworking photoelectrical precision guidance weapon in the complex electromagnetism circumstance,the factors which could affect laser disturbance effect were analyzed comprehensively such as laser atmospheric transmission,atmosphere turbulent effect,opto-electric detectors,beam aiming precision of laser irradiating system and so on.With the example of CO2 laser irradiating infrared imaging guidance weapon,the transmission characteristics of laser in atmosphere were investigated,and the estimation model was established which could calculate the necessary energy when laser disturbed photoelectrical detector efficiently,then the general method and steps were concluded to estimate the necessary laser energy.The result enriches the research on the interaction between laser and photoelectrical detectors,and improves the photoelectrical countermeasure ability in complex electromagnetism circumstance.