ID	原文	译文
54347	其次，本文推导了平均遍历隐蔽通信速率的闭式解。	Second, the closed-form expression of the average ergodic covert rate was derived.
54348	理论分析和仿真结果表明，虽然在对于监控方检测最有利的场景中，噪声不确定性对隐蔽通信有负面作用，	The theoretical analyses and simulation experiments results indicate that the uncontrollable noise uncertainty in environments has negative effects on covert transmission in the best-case scenarios for the warden.
54349	但是通过增加天线数量依旧可以达到正的隐蔽通信速率。	However, positive covert rates can still be achieved by controlling power and the antenna number.
54350	在复杂电磁环境的通信辐射源个体识别任务中，针对传统特征提取识别方法分类效果不佳和低信噪比环境下基于实数神经网络的方法识别准确率不高的问题，本文提出了一种基于复数残差网络的通信辐射源个体识别方法。	In complex electromagnetic environment, a method of individual identification of communication emitter based on complex residual network was proposed in this paper. The aim was to solve the problems of poor classification effect of traditional feature extraction and low identification accuracy of real neural network in low SNR environment.
54351	将实际采集的I路和Q路电台数据组合成复数作为输入，根据电台数据集特点选取复数初始化方法、复数激活函数，	In this paper, we first combined the data collected from the I-channel and Q-channel into a complex number as input, and selected the complex initialization method and activation function according to the characteristics of the radio data set.
54352	以改进的复数残差块为基础构建复数残差网络，进一步调整和优化网络结构并运用到辐射源个体识别任务中。	Then we constructed the complex-valued residual network based on the improved complex-valued residual block, and finally applied the further optimized network structure to the task of individual identification of communication emitter.
54353	通过实验证明，相比于实数残差网络和人工特征提取方法，复数残差网络的性能更优，并且在低信噪比的条件下，基于复数残差网络的方法鲁棒性更强。	Experimental results show that, the complex-valued residual network has better performance, compared with the real residual neural network and the artificial feature extraction method. Moreover, the method based on complex-valued residual network is more robust under the condition of low SNR.
54354	针对混沌基函数在数字化生成时出现混沌退化现象，导致变换域通信系统隐蔽性和安全性下降的问题，提出一种反馈控制混沌基函数的生成方法。	Chaotic degradation occurs when the chaotic basis function is generated digitally in transform domain communication system, which leads to the decrease of the concealment and security of communication. In response to the above problems, a feedback control method for generating chaotic basis functions is proposed.
54355	该方法主要基于改进型反馈控制混沌序列，并据此产生伪随机相位;	This method is mainly based on the improved feedback control chaotic sequence and generates pseudo-random phase accordingly.
54356	在Lyapunov指数严格为正的反馈控制混沌系统基础上，分析得出该系统数字化时所需的最小运算精度;	Firstly, on the basis of the feedback control chaotic system with Lyapunov index being strictly positive, the minimum operation accuracy required for digitization of the system is obtained.