upf meaning in English
防晒指数
防紫外线指数
防自外光数
防自外光系数
尼泊尔联合人民阵线
天宙平和连合
统一人民阵线
Examples
- Aiming at this problem , particle filter is studied . combination filter algorithm is constituted using ukf and improved particle filter ( upf ) , and missile ’ s states with noise increase are estimated
针对这个问题,研究了粒子滤波算法,利用ukf和改进的粒子滤波( upf )组成联合滤波估计算法,可以有效估计具有噪声增大时导弹主动段运动状态。 - Combination algorithm fully use the advantage of the ukf for small noise and the upf ’ s non - sensitivity to noise , when noise increase , upf can also estimate the missile ’ s states well
联合算法充分利用了ukf在噪声较小时估计效果较好和upf对噪声不敏感的特性,使得当观测噪声突然增大后,利用upf算法仍能使导弹位置和速度误差收敛,达到有效预警的目的。 - The nonlinear problem is inevitable in bearing - only target tracking problem . here the monte carlo based nonlinear filters are compared with the classical extended kalman filter ( ekf ) in this field : the unscented kalman filter ( ukf ) , the particle filter ( pf ) and the unscented particle filter ( upf ) . furthermore , a multi - sensor passive tracking algorithm , through combining the ukf and probability data association ( pda ) , is provided for bearing - only target tracking in dense clutters
本文将典型的montecarlo非线性滤波器? unscentedkalmanfilter ( ukf ) 、 particlefilter ( pf )和unscentedparticlefilter ( upf )应用于被动定位跟踪，并在二维空间目标跟踪仿真中与经典的扩展卡尔曼滤波算法( ekf )进行了对比；本文将ukf算法与概率数据关联算法( pda )相结合，给出了适用于杂波环境下多站被动式跟踪的ukfpda算法。