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仿真分析了离焦模糊在不同飞行高度下的变化规律,给出了航空相机调焦机构控制原理,研究了调焦机构各模块不同故障点时图像离焦模糊量的表现特征,为利用图像数据诊断航空相机调焦机构故障提供理论依据。
The variation rule of defocus blurring at different flying height was simulated and analyzed. The control principle of the focusing mechanism of the aviation camera was given. The performance characteristics of defocus blurring amount of the focusing mechanism at different failure points were studied. In order to make use of the image data Diagnosis of aviation camera focusing mechanism failure to provide a theoretical basis.