通过运用斜割支线和几何方法，给出状态向量的卡尔曼滤波与最优预测。
The desired filter can be constructed by using the cross-cut and geometry method. The optimum prediction of the state vector is also given.
运用微分几何方法讨论了存在相对阶的一般非线性控制系统的局部反馈渐近镇定问题。
Local feedback asymptotic stabilization problems for the general nonlinear systems which exist a relative degree are discussed.
应用推荐