试验表明，这些算法能够降低退化带来的不良影响，减少总迭代次数和运算时间。
Tests showed that these algorithms reduce advent effects of degeneracy, and low total number of iterations and running time.
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.
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