中文说明：变维卡尔曼滤波实验代码，参考文献：Y. Bar-Shalom and K. Birmiwal, "Variable Dimension Filter for Maneuvering Target Tracking," in IEEE Transactions on Aerospace and Electronic Systems, vol. AES-18, no. 5, pp. 621-629, Sept. 1982.
English Description：
Reference: y. bar Shalom and K. birmiwal, "variable"