1) sample impoverishment
样本贫化
1.
Based on the analysis of the cause of sample impoverishment, quantum genetic algorithm was introduced into the unscented particle filter to solve the problem.
由于无迹粒子滤波存在样本贫化现象,因而对目标运动估计产生影响,尤其估计模型为复杂的马尔可夫链的时域问题的影响尤为严重。
2.
The sequential importance re-sampling particle filter can abate the influence of particle degeneracy but will easily lead to another problem-sample impoverishment.
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。
3.
The predicting ability of the fault prediction algorithm based on SIR particle filter will be badly influenced by sample impoverishment,which is one of the main disadvantages for the application of particle filter in fault prediction.
样本贫化现象会严重影响再采样粒子滤波故障预测算法对故障的预测能力,是粒子滤波算法在故障预测应用中的一个主要障碍。
2) Transductive SVM
样本优化
3) reduced sample
简化样本
5) sample standardization
样本标准化
6) variety cost
多样化成本
1.
ABC-based method for analysis of variety cost in mass customization;
基于作业成本法的大规模定制多样化成本分析
补充资料:采矿贫化率
采矿贫化率
dilution ratio
co ikuang PinhualO采矿贫化率(山lution ratio)矿山生产中采出的矿石品位比原矿品位下降程度。又称矿石贫化率。矿山采矿过程中,由于废石、研石混人高品位矿石,导致采出的矿石品位低于开采前工业储量中矿石地质品位,使采出矿石贫化。其计算公式为: (原矿地质品位一采出矿石品位)/原矿地质品位(%)。采矿贫化率是考核矿山企业开采技术与管理水平的主要技术经济指标之一。从贫化率大小,可以反映采出矿石的质量情况,如果贫化率偏高,使矿石运输、提升和加工费用增加,并会直接导致精矿质量和选矿回收率下降,影响矿山企业的经济效益。在《矿产资源法》中规定,贫化率指标不得超过设计要求。(郑仁城)
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参考词条