Hence, the truncated error of the local linearization is reduced in certain degree and the approachability of proposal distribution is enhanced.
新算法在一定程度上减小了局部线形化的截断误差，提高了建议分布的逼近程度。
In particle filtering, the two key issues for avoiding particles degradation are the choosing of proper proposal distribution and resampling algorithm.
在粒子滤波中，防止粒子退化的两个关键因素是选择适当的采样建议分布和重采样算法。
The traditional particle filter USES system transition probability as the proposal distribution without considering the new observing information; therefore, they cannot give accurate estimation.
传统的粒子滤波通常采用系统转移概率作为建议分布，但传统的建议分布选取方法由于没有考虑新的观测信息，因此不能产生准确的估计值。
To improve the performance of object tracking, a particle filter algorithm was proposed which(uses) state partition technique and parallel extended kalman filter to construct proposal distribution.
为了进一步提高目标跟踪的性能，采用一种新的建议分布构造方法，即利用状态分割技术和平行扩展卡尔曼滤波技术构造建议分布。
To improve the performance of object tracking, a particle filter algorithm was proposed which(uses) state partition technique and parallel extended kalman filter to construct proposal distribution.
为了进一步提高目标跟踪的性能，采用一种新的建议分布构造方法，即利用状态分割技术和平行扩展卡尔曼滤波技术构造建议分布。
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