Since wireless sensor networks with high redundancy of data characteristics this article proposes the use of pre-treatment method based on the voting mechanism to reduce the combined operations in the evidence the number of focal element .

针对无线传感器网络中数据具有高冗余性的特点，本文提出了运用基于 表决机制的预处理方法来减少参与证据组合运算的焦 元个数。