说明：  用于目标跟踪的粒子滤波代码， 用matlab编写的，很有借鉴性，一维情况下，非高斯非线性，其中将扩展卡尔曼滤波与粒子滤波进行比较，更好的说明了粒子滤波的优越性
(Particle filter for target tracking code, using matlab prepared very useful reference resistance, the one-dimensional case, the non-Gaussian nonlinear, which will be extended Kalman filter and particle filter are compared, a better description of the location of the particle filter sex)