ID 原文 译文
48336 同时基于指标距离平方和的靶心距计算结果容易受到极端指标值的干扰,从而影响了决策结果的科学性与合理性。 and based on the calculation results indicators from the sum of squares distance to target vulnerable to extreme parameter values, which affect the scientific nature and rationality of decision-making results.
48337 首先,推导了信息分布已知条件下区间灰数核的计算公式,研究了区间灰数之间距离的计算方法与性质; First, the information distribution is deduced under the condition of known formula of interval grey number of nucleus, studies the calculation method of the distance between the interval grey Numbers and the nature;
48338 然后,在此基础上通过比较指标集中各指标值与靶心连线所围成图形(蛛网)的面积大小来对决策方案之优劣进行评价,从而在一定程度上弱化了建模对象中极端指标值对靶心距计算结果的影响; Then, on the basis of the concentration of each index by comparing the indexes and the bull 's-eye of attachment into the area of the graphics (spider) to evaluate the decision scheme of size, thus to some extent weaken the modeling object of extreme index calculation results of distance to target;
48339 最后,建立了供应商选择的蛛网灰靶决策模型。 Finally, set up the supplier selection of spider grey target decision model.
48340 研究成果对优化灰靶决策模型建模方法具有积极意义。 Research on optimization of grey target decision model modeling method has positive significance.
48341 高频谱利用率的协作中继传输设计,是协作通信领域的一个研究难点。 High frequency spectrum utilization of cooperative relay transmission design, is a research in the field of collaborative communication difficulty.
48342 针对这一问题,结合网络编码和中继选择协作,提出了一种新的无码率中继协作传输方案。 In order to solve this problem, combined with network coding and relay selection collaboration, this paper proposes a new rate of no relay cooperative transmission scheme.
48343 在传输当前消息块的同时允许传输下个消息块的部分信息,从而减少所需的传输次数,提高频谱效率。 Under the current message block transmission and allow a message block part of the information, so as to reduce the transmission times, improve spectrum efficiency.
48344 将准静态瑞利衰落信道等效成相应的删除信道,分析了目的节点译码所需传输次数的概率质量函数和平均传输次数,并与其他无码率传输方案进行了性能比较。 The quasi-static Rayleigh fading channel is equivalent to delete the corresponding channel, analyzes the destination node decoding probability mass function of the number of transmission and the number of average transmission, and performance comparison with those of the other no rate transmission scheme.
48345 理论分析和仿真结果表明,采用网络编码和中继选择的无率传输系统在传输次数上进一步改善系统性能。 Theoretical analysis and simulation results show that the network coding and relay selection rate of the transmission system to further improve the system performance on the transmission frequency.