particle filtering的用法和樣例：
例句
- A particle filter algorithm based on Bayesian theory and Monte-Carlo simulation is presented.
提出了一種基于貝葉斯理論及蒙特卡羅仿真的粒子濾波算法。 - The better particle is selected in terms of its weight to ameliorate the diversity of samples, so that the degeneracy phenomenon is relieved.
按照粒子權值的大小選擇較好的粒子用于濾波，以增加樣本的多樣性，從而緩解粒子濾波的退化問(wèn)題。
