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航空遥感器扫描反射镜按照给定的速度旋转,补偿飞行器运动以及姿态变化引起的像移,为此需要确定补偿后反射镜的大小、航空遥感器窗口的位置与大小。运用光学反射矢量的基本理论,给出扫描反射镜的反作用矩阵,补偿后光线矢量间的关系;通过推导建立扫描反射镜转轴位置与反射镜大小、窗口位置及大小的理论计算公式;以实际遥感器的的工作参数为条件对结果进行计算和分析。实例计算表明理论公式计算简便,不仅在遥感器设计时用于计算反射镜与窗口的尺寸及位置,还可作为具有相似反射镜结构的其他系统的计算依据与基础。
The airborne remote sensor scanning mirror rotates at a given speed to compensate the image movement caused by the movement of the aircraft and the attitude change. Therefore, it is necessary to determine the size of the compensated mirror and the position and size of the airborne remote sensor window. By using the basic theory of optical reflection vector, the relation between the reflection matrix of scanning mirror and the light vector after compensation is given. The theoretical formula for establishing the position and size of the mirror, the position and size of the window is deduced. The working parameters of the device are the conditions for the calculation and analysis of the results. The example calculation shows that the calculation of the theoretical formula is simple and convenient, not only for calculating the size and position of the reflector and the window when the sensor is designed, but also as the calculation basis and foundation of other systems with the similar reflector structure.