| ID | 原文 | 译文 |
| 57248 | 双特征 2 阶密集卷积神经网络. | Meanwhile，a noise robust urban sound event classification model based on 2-DenseNet using dual features，i. e. D-2-DenseNet is proposed. Theoretically，D-2-DenseNet combines theadvantages of feature compensation and 2-order dense convolutional neural network. |
| 57249 | 模型采用双特征互补偿自适应算法，可在特征提取与模型训练中更有针对性地提取有效音频信息，降低噪音干扰，以提高噪音鲁棒性. | The dual feature mu?tual compensation adaptive algorithm can effectively extract audio information and reduce noise interfer?ence to improve noise robustness. |
| 57250 | 最后，基于 Dcase2016 数据集开展噪音环境下城市音频分类测试. | Finally，in order to validate advantages of the D-2-DenseNet，this newmodel is exploited in the urban sound event classification based on Dcase2016 datasets. |
| 57251 | 实验结果表明，模型分类准确率分别可达 77.12% 、75.52% ，与基线模型相比，平均分类准确率分别提高了 8.51% 和10.38% ，验证了模型良好的噪音鲁棒性. | Under conditionsof channel noise and environmental noise，the experiment shows that the accuracy of the network is re?spectively 77. 12% and 75. 52% ，which has added 8. 51% and 10. 38% compared with baseline. Thenoise robustness of D-2-DenseNet are also effectively verified. |
| 57252 | 针对移动终端计算能力较低和存储能力有限的问题，提出了适用于移动边缘计算环境的轻量级身份认证协议. | Aiming at the problems of low computing power and limited storage capacity of mobile termi- nals，a lightweight identity authentication protocol suitable for mobile edge computing environments is pro- posed. |
| 57253 | 该协议将密码学与物理层的安全保护技术相结合，利用对称密码体制降低移动终端在认证过程中的计算复杂度，以少量的计算量和较低的信息存储量完成移动终端与边缘服务器的相互认证与密钥协商，并且移动终端只需一次注册便可在移动边缘计算环境中随机漫游. | The protocol combines cryptography with physical layer security protection technology，uses a sym- metric cryptosystem to reduce the computational complexity of the mobile terminal in the authentication process，and completes the mutual authentication and key negotiation between the mobile terminal and the edge server with a small amount of calculation and low information storage. Mobile terminals can roam randomly in the mobile edge computing environment with only one registration. |
| 57254 | 安全性分析表明，该协议满足前向安全性、抗重放攻击性、抗中间人攻击性等安全特性. | Security analysis shows that the protocol satisfies the security features of forward security，anti-replay attacks，and anti-man-in-the- middle attacks. |
| 57255 | 仿真结果表明，与其他认证方案相比，该方案在通信和计算成本方面有较好的性能优势. | Simulation shows that，compared with other authentication schemes，this scheme has better performance advantages in terms of communication and calculation costs. |
| 57256 | 利用泊松点过程理论研究了超密度异构蜂窝网络中的基站部署问题，特别是小基站密度对网络能量效率的影响，提出了一种通过优化小基站密度来实现网络能效最大化的方法. | Based on Poisson point process( PPP) theory in stochastic geometry，the base station( BS) de- ployment problem in ultra-dense heterogeneous cellular networks，especially the influence of the distribu- tion density of small cells on network energy efficiency is studied，and a method to maximize network ener- gy efficiency( EE) through optimizing the density of small cells is proposed. |
| 57257 | 首先，借助泊松点过程理论对超密度异构蜂窝网络进行建模，推导了各层基站的覆盖概率以及基于业务荷载的最低可达速率，得出整个网络的最低可达吞吐量; | Firstly，the coverage proba- bility of each tier BS and the BS load oriented minimum achievable rate are derived through the PPP theo- ry. |