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In the miniaturization airborne photoelectric imaging system, the non-orthogonal off-axis design on optical hinge and servo gimbal axis, brings some difficult on optical axis pointing control and the stability control of unloading aircraft disturbance. To solve the problem, using half-strapdown design on system control loop, via servo gimbal axis signal by differential processing, and tri-axial angular speed signal on aircraft carrier overlying disturbance rejection algorithm, treated as expected value of the stable loop, then match-filtering is given. Compare with the direct stable control loop by using gyro signal feedback, provided with similar stable precision.