针对贝叶斯滤波过程中存在的目标跟踪问题，提出几种典型的贝叶斯滤波方法，如EKF, UKF, PF和UPF 等，基于这些方法所构 建的框架，对它们进行性能测试和比较，并在非线性环境下，讨论这些方法的特点，仿真实验结果表明，在非线性非高斯环境下，UPF 方 法的性能是最优的。 -According to the bayesian filtering occurred in the process of target tracking problem, this paper puts forw

程序包含 EKF UKF PF EPF UPF 的性能比较，里面是比较简单的调用，并对其性能做了简要的对比。(The program contains the performance comparison of EKF UKF PF EPF UPF, which is a relatively simple call, and makes a brief comparison of its performance.)