ID 原文 译文
21905 基于惠更斯原理的矢量衍射积分理论，对准光模式变换器的镜面系统进行了优化设计，模拟与计算结果表明准光模式变换器的模式变换效率为 92.3%。 The vector diffraction integral theory based on Huygens's principle is used to optimize the mirror system of the optical mode converter. Simulation and calculation results show that the mode conversion efficiency of quasi optical mode the converter is 92.3%.
21906 最后，通过热测实验，验证了输出模式为 W 波段类高斯模式。 Finally, a thermal measurement experiment is carried out to verify that the output mode is W band Gauss like mode.
21907 该文提出一种基于进化思想的容忍恶意攻击安全定位算法(ELAMP)。 A malicious attack-resistant secure localization algorithm Evolutionary Location Algorithm with the Maximum Probability value (ELAMP) based on evolutionism is proposed.
21908 依据最大似然估计概率模型，结合接收信号强度(RSS)标准差与距离的分布关系，建立 ZigBee 网络安全定位模型。 According to the maximum likelihood estimation probability model and the distribution of Received Signal Strength (RSS) standard deviation and the distance, a secure location model of ZigBee network is established.
21909 进一步，设计进化算法对模型进行求解，并分析了算法的收敛性和时间复杂度。 Furthermore, the evolutionary algorithm is designed to solve the model, and the convergence and the time complexity of the algorithm is analyzed.
21910 实验结果表明，当恶意节点比例不超过 50%的情况下，所提算法的定位精度明显优于已有定位算法。 Experimental results show that the proposed algorithm has better positioning accuracy than the existing positioning algorithm when the proportion of malicious nodes is not more than 50%.
21911 对流层散射通信是一种地面微波超视距传播的重要手段。 Tropospheric scatter (Troposcatter) communication is an important means for ground microwave beyond-line-of-sight propagation.
21912 针对现有对流层散射传输损耗预测模型无法描述大气环境等因素随机变化问题，该文基于电场强度的快慢衰落特性，首次开展了传输损耗的快慢衰落特性研究，建立了传输损耗分布模型，并结合 ITU-R P.617-3 给出了该分布待定参数的计算方法。 Available troposcatter transmission loss models are inefficient to describe the random variables resulting from atmosphere environment and other factors. Therefore, this paper studies the short-term fading and long-term fading characteristics of transmission loss based on those of electric field strength for the first time. The distribution model of transmission loss is modeled, whose parameters are estimated referring to ITU-R P.617-3.
21913 选取了国际电信联盟公布的部分散射链路试验数据，借助正态分布的坐标图纸，验证了该分布模型的有效性，结果表明传播损耗慢衰落特性服从正态分布，可为下一步计算散射链路误码率奠定基础。 Parts of measured scatter links data from International Telecommunication Union (ITU) are chosen to verify this model with normal distribution graph. The result shows that the long-term fading of transmission obeys the normal distribution. It gives the basis of calculating error bit for the further work.
21914 此外，基于分布模型还提出一种传输损耗预测方法，并利用试验数据验证了所提方法具有较好的精度，克服了现有方法无法计算任意概率传输损耗的问题。 In addition, a transmission loss prediction method is proposed based on its distribution model. It is verified to have a good accuracy using measured data, and this method address the problem that available transmission loss methods can not predict the values at any time percentages.