粒子滤波算法:Sigma-Point Particle Filter 算法（SPPF）用于非线性滤波估计问题，例如：导航，定位，跟踪等等应用-Particle filter algorithm: Sigma-Point Particle Filter algorithm (SPPF) estimation problem for nonlinear filtering, such as: navigation, positioning, tracking, and so on,for appli