ID 原文 译文
46936 理论分析与仿真结果表明，在系统服务质量要求较高的情况下，与非协作传输机制相比，BCT 机制不仅能提升次级传输的能量效率，还可显著提高次级传输的可靠性。 Both analytical and simulation results demonstrate that the proposalscan achieve significantly higher EE while enhancing reliability of secondary transmission remarkably compared tonon-cooperation single cognitive transmission schemesin high QoS requirement.
46937 提出基于社区的最优能效路由策略，在给定的延时约束下最小化网络能耗。 An optimal energy efficiency routing strategy based on community was proposed, which minimized the net-work energy consumption under the given delay constraint.
46938 首先利用马尔可夫链获取信息在连通网中传递的期望能耗和期望延时， Firstly the expected energy consumption and delay of mes-sage delivery in the connected network were obtained through Markov chain.
46939 然后构建信息从源节点传递到目的节点的能耗和延时综合成本函数，以及中继节点传递信息对综合成本的优化函数， Then the comprehensive cost function fordelivering message from source node to destination node was designed, which was combined with energy consumptionand delay.
46940 从而得到中继节点的报酬函数， Thus, the optimization function to comprehensive cost of relay node delivering message was obtained, andfurther the reward function of relay node was gotten.
46941 最后利用最优停止理论获得最优中继节点的最优期望报酬，实现最优能效路由策略。 Finally the optimal expected reward of optimal relay node wasachieved using the optimal stopping theory, so as to realize the optimal energy efficiency routing strategy.
46942 在仿真实验中，将提出的路由优化策略与相关文献的路由策略在平均能耗、平均延时和平均传递率各指标上进行对比， In simulations,the average energy consumption, the average delay and the average delivery ratio of routing optimization strategy werecompared with those of other routing strategies in related literatures.
46943 结果表明所提的路由策略具有较小的平均能耗、较低的平均延时和较高的平均传递率，取得较好的能耗优化效果。 The results show that the strategy proposed hassmaller average energy consumption, shorter average delay and higher average delivery ratio, gaining better energy con-sumption optimization effect.
46944 在云环境下进行数据存储时，利用安全网络编码技术可以很好地解决数据的隐私性和可靠性问题。 In the cloud environment for data storage, the use of secure network coding technology can be a good solutionto the data privacy and reliability issues.
46945 但经过网络编码后的各个编码块通常具有很高的相关性，文件内容极少的变化都需要重新编码，极易造成数据泄露，同时严重消耗了系统资源。 However, each coding block usually has a high correlation after network coding,very few updates to the file need to be re-encoded which is extremely easy to cause information leakage and serious con-sumption of system resources.