ID |
原文 |
译文 |
13524 |
数值仿真实验结果验证了该算法的有效性。 |
Simulation results demonstrate the effectiveness of the proposed method. |
13525 |
针对大规模多输入输出 (multiple-input multiple-output, MIMO) 系统中采用广义空间调制 (generalized spatial modulation, GSM) 时信号检测复杂度过高的问题, 提出一种新型天线分组激活方案.该方案首先需将发送天线分组激活, 得到天线索引备选集, 然后把天线组合符号按质量因子大小进行排序, 最后遵循可信度判断准则进行量化判决检测, 以此得到最佳的检测结果。 |
This paper proposes a new antenna-packet-activate scheme to address the high complexity problem of signal detection in the large scale multiple-input multiple-output (MIMO) system with generalized spatial modulation (GSM) .First, a scheme is proposed to activate the packet-transmit antennas and obtain the selection of the antenna index.Then, the antenna combination symbols are sorted according to the size of quality factor.Finally, we follow the reliability judge rule (RJR) to detect of quantized decision to achieve ideal results. |
13526 |
相较于传统算法, 所提出的检测算法避免了对信号空间的遍历搜索, 在大规模天线系统下的性能更加优异。 |
Compared with conventional algorithms, the proposed method avoids to traversally search the signal space, and the performance under the large scale antennas system is better. |
13527 |
计算和仿真结果表明, 本文提出的算法具有复杂度低、误码率低的特点, 在采用广义空间调制的通信系统中具有较高的工程应用价值。 |
The calculation and simulation results show that the complexity and bit error rate of the proposed algorithm are quite low, which has high engineering application value in the generalized spatial modulation communication system. |
13528 |
采用高阶矩量法 (method of moment, MoM) 结合高频射线法对复杂城市环境中电磁分布进行仿真计算。 |
High order method of moment (MoM) and high frequency ray method are used to simulate the electromagnetic distribution in complex urban environment. |
13529 |
利用高精度的高阶MoM对辐射源进行精细仿真, 利用一致性几何绕射理论的射线模型描述电磁波在电大场景中的传播, 并给出了两种方法之间的接口方案。 |
High-order MoM method is used to simulate the radiation sources with precision simulation, and the uniform geometrical theory of diffraction method is used to simulate the transmission of electromagnetic waves. |
13530 |
在实际城市环境中对电磁分布和电磁态势进行了有效的计算, 选取西安市某城区一平方千米区域进行了实地测量, 实测数据与仿真计算进行了对比, 取得了比较好的结果, 证明了文中方法的有效性和实用性。 |
Interface schemes of the two methods are presented.In the actual urban environment, the electromagnetic distribution and electromagnetic situation were effectively calculated, and a field survey was carried out in one square kilometer area of a city in Xi'an. The measured data are compared with the simulation ones, and good results are obtained, which proves the effectiveness and practicability of the method. |
13531 |
对短波探通一体化方法进行了试验研究, 并选用数字调幅广播 (digital radio mondiale, DRM) 信号作为一体化信号。 |
In this paper, the integrated method of HF communication and channel detection is studied through experiments for which digital radio mondiale signals are selected as an example of integrated signals. |
13532 |
对试验接收信号进行处理分析后, 验证了一体化方法对真实信道环境的适用性。 |
Based on the processing and analysis of the received data of the experiments, the applicability of the integrated method to the real channel environment is verified. |
13533 |
同时还发现, 在多模式传播的情况下, 各模式多普勒频移相同时脉冲压缩副瓣能量会导致时延提取产生误差, 进而影响信号校正效果。 |
Meanwhile, in the case of multimode propagation, it is found that, when the Doppler shift of each mode is identical, the pulse compression side-lobe energy can lead to the error associated with time delay extraction and subsequently affect the performance of signal correction. |