ID 原文 译文
52117 文章从非线性检测入手，提出一种格基约减(LR)辅助的贪心球形译码算法。 We start with nonlinear detection and propose a greedy sphere decoding algorithm based on Lattice Reduction(LR).
52118 通过格基约减算法辅助QR分解来获取更优的正交基并采用贪心策略改进球形译码算法，将每次欧式距离(PED)最小的符号作为根节点向下搜索，更高效地缩减了搜索树节点。 Lenstra-Lenstra-Lovasz algorithm assisted QR decomposition is proposed to obtain orthogonal bases, which then combines the improved sphere decoding algorithm with the greedy strategy. The search tree nodes are reduced more efficiently by searching the smallest Partial Euclidean Distance(PED) as the root node.
52119 理论分析及仿真结果表明，所提算法具有复杂度低且收敛速度快的特点，当系统误码率为10-4时，所提算法相较于线性算法有3～10 dB的性能提升。 Simulation results show that the proposed algorithm has the characteristics of low complexity and fast convergence. Compared with linear algorithms, the proposed algorithm has a 3～10 dB performance improvement when the system bit error rate is 10-4.
52120 并且算法在一定程度上降低了近来所提出LR-K-Best算法的复杂度，具有较高的工程应用价值。 Moreover, the algorithm reduces the complexity of the recently proposed LR-K-Best algorithm to a certain extent, and has high engineering application value.
52121 文章以白光发光二极管为例，研究了可见光室内定位问题。 The paper experimentally demonstrates the indoor positioning in Visible Light Communication(VLC) system based on white light.
52122 针对可见光室内定位问题，提出了定位系统的模型，并对定位系统的硬件设计进行了分析。 The paper proposes the model of indoor positioning in VLC system and its hardware design. The paper also introduces a positioning algorithm based on the Fast Fourier Transform(FFT).
52123 在定位算法方面，提出了一种基于快速傅里叶变换(FFT)算法的信号采集与定位方式，实验证明最大定位误差为14.866 cm， Meanwhile, we also have done the relevant experiments and get the data which has the maximum error of 14. 866 cm.
52124 结果表明，此系统可以解决室内定位问题。 Experimental results show that the system can solve the indoor positioning problem.
52125 Kramers-Kronig(KK)接收机能从光信号的强度信息中重建相位信息，突破了单个光探测器只能检测和处理光信号强度信息的局限，是近年来光通信系统的一个研究热点。 Kramers-Kronig(KK) receiver can retrieve the phase information from the intensity information of an optical signal satisfying the minimum-phase condition. This enables KK receiver to overcome the limitation that single photodetector can only detect the intensity information of an optical signal, thus it has attracted a great deal of attention.
52126 该接收机可以补偿光纤色散带来的损伤，降低系统对载波功率比的要求，能显著地提高接收机灵敏度，大大增加了系统容限和传输距离。 KK receiver can compensate for the distortion due to fiber chromatic dispersion and reduce the required carrier-to-signal power ratio in an optical transmission system, significantly increasing the channel capacity and transmission distance.