...belief functions; state space; Poisson model; join-tree computation; statistical significance; d[gap=265]关键词：DS证据;信度函数;状态空间;泊松模型;连接树计算;统计学意义;沉闷的零假设1 ..
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Based on the evidence theory, mobile commerce transaction risk assessment of the uncertainty can be quantified through the belief function, and risk assessment of multi-level and multi-index of indicators can be simplify to a single overall assessment.
根据证据理论，通过信度函数，可以将移动商务交易风险的不确定性评估问题量化为确定性评估问题，可以将多级多指标的评估问题简化为单一总指标评估问题，基于信度函数的证据理论较之基于概率函数的传统的Bayes理论，不需要事先获取已知命题的先验信息和条件概率知识。
参考来源 - 基于证据理论的移动商务交易风险评估与控制决策研究·2,447,543篇论文数据，部分数据来源于NoteExpress
再利用组合规则进行信息融合，得到融合后症状分别属于各类故障的信度函数。
Then, the combination rule is adopted to carry out the information fusion; after fusion, the symptoms are owned by trust function of different faults separately.
在传统的多假设跟踪(MHT)算法中，航迹置信度函数仅利用了目标的位置信息。
In traditional multiple hypothesis tracking (MHT) algorithm, only target location information has been used for truth likelihood function of tracks.
再利用D - S联合规则结合模糊逻辑理论，得到融合后的信度函数分配，从而确定故障元件。
The fusion belief function assignment is gotten by using D-S rule and fuzzy logic theory, and fault component is found.
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