与粒子滤波算法相比，其优点是不需要重采样步骤和不存在粒子退化现象。
Compared with the particle filter (PF), it avoids the resampling step and the particle degeneracy phenomenon.
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。
In particle filtering, the two key issues for avoiding particles degradation are the choosing of proper proposal distribution and resampling algorithm.
该方法能降低基于粒子滤波的运动目标跟踪方法在迭代一定次数后会出现粒子权重聚集的粒子退化速度。
This method can reduce the weight degradation rate of particle aggregation which occurs in the particle filter moving target tracking method after a certain number of iterations.
再采样粒子滤波虽可缓解粒子退化，但易导致样本贫化；扩展粒子滤波也可在一定程度上解决退化问题，但难以跟踪突变状态。
The sequential importance re-sampling particle filter can abate the influence of particle degeneracy but will easily lead to another problem-sample impoverishment.
重采样是解决粒子滤波退化问题的主要方法。
Resampling is a critically operation to solve degeneracy problem with particle filters.
在人为和空间辐射环境中，高能粒子和光子引起的辐射损伤是电子系统性能退化甚至失效的主要原因之一。
The radiation damage induced-by energetic particles and photons is one of the main reasons of degradation or even failure of electronic systems in man-made and space radiation environment.
退化现象是应用粒子滤波算法的一个主要障碍，常规的再采样方法虽然可解决退化问题，但容易产生粒子耗尽现象。
The structure of the formula is simple and easy to compute, the linear system method is superior to the former for handling the degeneracy problem.
退化现象是应用粒子滤波算法的一个主要障碍，常规的再采样方法虽然可解决退化问题，但容易产生粒子耗尽现象。
Degeneracy phenomenon is a main disadvantage to particle filter application, common re-sampling methods can resolve degeneracy phenomenon, but the sample impoverishment is deduced.
退化现象是应用粒子滤波算法的一个主要障碍，常规的再采样方法虽然可解决退化问题，但容易产生粒子耗尽现象。
Degeneracy phenomenon is a main disadvantage to particle filter application, common re-sampling methods can resolve degeneracy phenomenon, but the sample impoverishment is deduced.
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