ID	原文	译文
44866	结合傅里叶级数及 MeijerG 函数性质，得到了 Malaga 大气湍流信道模型瞬时信噪比的概率密度函数，	Combined Fourier series and MeijerG function properties, the probability density function of instantaneous signal to noise ratio in the Malaga turbulence model was got.
44867	在 Malaga大气湍流信道下推导了接收信号相位的傅里叶级数以及相位噪声影响无线光副载波 MPSK 调制误符号率的渐进表达式，	The Fourier series of receiving signal phase and the closed form expression of symbol error probability were derived, which were in the wireless optical sub-carrier shift keying modulation system.
44868	在不同调制阶数和光强起伏方差下分析了相位噪声对系统误符号率的影响。	Under different modulation order and light intensity fluctuation variance, the influence of phase noise on the sus-tem symbol error rate was analyzed.
44869	数值结果表明，当相位噪声较小时，系统误符号率随着光强起伏方差增大而增大，	The numeric results present that the system symbol error rate increases with the light intensity fluctuation variance when the phase noise is lower.
44870	相位噪声较大时，误符号率平层的出现受调制阶数的影响大于受湍流强度的影响，	When the phase noise is larger, the influence of modulation order is greater than of turbulence intensity to the error-rate floor appearing.
44871	且随着调制阶数的升高，误符号率平层出现时所对应的平均电信噪比越低。	And with the increasing of modulation order,the corresponding average signal to noise is lower when symbol error-rate floor appears.
44872	以覆盖类别为状态变量建立了窄带物联网（NB-IoT, narrow-band internet of things）覆盖类别更新机制的马尔可夫链模型，	A Markov chain model with coverage classes as state variables was established to describe the dynamics of the coverage classes updating mechanism of narrow-band internet of things (NB-IoT).
44873	给出了平均接入失败概率和平均功耗的优化模型及求解办法，分析了前导码重复次数、系统负载、全局最大传输次数对各覆盖类别最大传输次数最优取值的影响。	An optimization model to minimize average probability of access failure as well as average power consumption was formulated, with which the effects of preamble repetition number, system load and global maximum transmission number on the optimal configuration of maximum transmission number of each coverage class was analyzed.
44874	数值分析表明：常规覆盖类别和扩展环境覆盖类别的最大传输次数对系统性能影响较大，最大传输次数取值范围应分别控制在[1,5]和[1,7]之间；	Numerical analysis results show that the maximum transmission number of normal coverage and extended coverage have a great influence on the system performance and their value ranges should be set within [1,5] and [1,7] respectively.
44875	极端环境覆盖类别的最大传输次数对系统性能影响不大，可取[1,10]之间的任意值，建议取值为 1；	However, the maximum transmission number of extreme coverage has little influence on the system performance, its value could be any one in [1,10] but the recommended value is 1.