粒子滤波现在已经成为目标跟踪领域的主流算法，它的应用范围广泛，在非线性、非高斯噪声下依然表现良好。该代码是Rob Hess 编写的。他的个人主页是：http://web.engr.oregonstate.edu/~hess/ ,Now,Partical filter has become the main algorithm in moving target tracking region.It still perform very well in nonlinear non-gaussia