CAJ | 학술논문

超音速飞行条件下红外成像探测系统受到气动光学效应影响，其图像畸变和模糊退化问题十分严重，严重影响了红外制导系统的制导精度。常规的气动光学效应模拟仿真研究存在大数据量计算和非连续仿真问题，不能满足地面仿真的实时性需要。提出了基于高速湍流统计模型的快速仿真算法，用于气动退化图像实时复原方法和算法研究。根据本文提出的算法仿真得到的退化图像与实际的气动退化图像相似度较高，并且模型实现简单，能够满足地面实时仿真的需要。
초음속비행조건하홍외성상탐측계통수도기동광학효응영향，기도상기변화모호퇴화문제십분엄중，엄중영향료홍외제도계통적제도정도。상규적기동광학효응모의방진연구존재대수거량계산화비련속방진문제，불능만족지면방진적실시성수요。제출료기우고속단류통계모형적쾌속방진산법，용우기동퇴화도상실시복원방법화산법연구。근거본문제출적산법방진득도적퇴화도상여실제적기동퇴화도상상사도교고，병차모형실현간단，능구만족지면실시방진적수요。
Infrared imaging detection system has a great problem of distortion and blurring for the reason of aero optical effects in supersonic flight and resulted in low guidance precision for infrared guidance system. The custom research for aero optical effects could not provide a method for real time simulation for a huge calculation. This paper proposed a new real time simulation method based on high speed turbulent statistical model, which is used to study the degradation image restoration caused by aero optical effects. The simulation result shows that the proposed method has good similarity for real degradation image, and the model is simple to be implemented, which can satisfy the need of real time ground simulation.