以组合大视场星敏感器的卫星自主导航方法为例，设计改进的广义卡尔曼滤波算法，通过仿真，可以看出该算法对减小采样周期所带来的轨道误差有很好效果。-To combination of wide field of view star tracker satellite autonomous navigation method for example, designed to improve the generalized Kalman filter algorithm, by simulation, w