ID |
原文 |
译文 |
51547 |
同时分析了射频信号相位偏移及调制指数对抑制比的影响。 |
The effects of phase offset and modulation index on sidebands suppression ratio are also analyzed. |
51548 |
实验结果与理论分析吻合,验证了所提方案的可行性。 |
The experimental results are consistent with the theoretical analysis, which can verify the feasibility of the proposed scheme. |
51549 |
为满足第五代移动通信(5G)基站和边缘计算节点对高精度地面授时的需求,文章提出了构建端到端高精度地面授时链路的方法和后续不依赖卫星的时间同步网组网思路, |
To meet the demand of 5 G mobile base stations and edge computing nodes for high-precision ground timing system, the construction method of end-to-end ground time synchronization links and the subsequent time synchronization network planning ideas are proposed, which do not rely on satellite timing system. |
51550 |
并通过苏州现网部署和实测展示了72 h内误差<28. 4 ns的高精度链路传递授时指标,验证了构建方法的可行性。 |
The feasibility of the proposed method is verified by conducting evaluation experiments in the present 5 G mobile network of SuZhou, which demonstrate the high and stable time accuracy within 24. 8 ns for 72 hours. |
51551 |
最后对不依赖卫星组网等后续关键问题进行了分析,指出了下一步改进的方向。 |
Key issues such as satellite independent time synchronization network are also analyzed to point out the future improvement direction. |
51552 |
为提升非规则准循环低密度奇偶校验码的译码性能和降低译码器实现难度,文章提出了一种基于度数归一化最小和(BD-NMS)算法和一种改进的译码结构。 |
In order to improve the decoding performance of the irregular Quasi Cyclic Low Density Parity Check(QC-LDPC) code and reduce the implementation difficulty of the decoder, this paper proposes a Based-Degree Normalized Min Sum(BD-NMS) algorithm and an improved decoding structure. |
51553 |
首先分析了最优归一化因子变化规律,得到其在不同度数下的分布特性, |
The algorithm first analyzes the changing rule of the optimal normalization factor, and obtains its distribution characteristics in different degrees. |
51554 |
依据分布特性对度数分层, |
According to the distribution characteristics, the degrees can be layered. |
51555 |
最后利用密度演化和加权向量得到各层归一化因子。 |
Finally, the normalization factors of each layer are obtained by density evolution and weighted vector. |
51556 |
文章所提译码结构中,校验节点以提升值为单位分组,每组以2的整数次幂为单位分子层, |
In the proposed structure, the verification nodes are grouped with the lifting value as the unit, and each group is divided by the integral power of 2 as the unit molecular layer. |