ID 原文 译文
51767 针对可见光通信中直流偏置光-正交频分复用(DCO-OFDM)系统存在的高峰均功率比(PAPR)问题，可采用选择性映射算法来降低系统的PAPR。 To solve the problem of high Peak to Average Power Ratio(PAPR) in Direct Current biased Optical-Orthogonal Frequency Division Multiplexing(DCO-OFDM) system in visible light communication, the selective mapping method can be used to reduce the PAPR of the system.
51768 由于选择性映射算法只能在有限组相位旋转序列里选择局部最优，因此引入遗传算法来搜索全局最优解， Because the selective mapping algorithm can only select the local optimum in a limited set of phase rotation sequences, the genetic algorithm is introduced to search for the global optimum solution.
51769 同时针对遗传算法容易产生过早收敛的问题，文章提出自适应调整机制、自适应多点交叉机制、最优解保护机制和立即淘汰机制来改进遗传算法， Meanwhile, the genetic algorithm has the problem of premature convergence. In order to solve this issue, we apply several methods including the adaptive adjustment mechanism, the adaptive multi-point crossover mechanism, the optimal solution protection mechanism and the immediate elimination mechanism to improve the genetic algorithm.
51770 进而提出改进型遗传选择性映射算法(IGA-SLM)。 Therefore, an Improved Genetic Algorithm-Selected Mapping(IGA-SLM) is proposed.
51771 仿真结果表明，该算法可显著降低可见光通信DCO-OFDM系统的PAPR。 The simulation results show that the proposed algorithm can significantly reduce the PAPR of DCO-OFDM system.
51772 光纤中传输的信号会受到衰减、色散和非线性效应的影响导致波形或频谱中包含的信号失真， Signals transmitted in the optical fiber are affected by attenuation, dispersion and nonlinear effects, resulting in distortion of the signal contained in the waveform or spectrum.
51773 可采用特征值通信的方式来克服色散和非线性效应。 Eigenvalue communication is used to overcome dispersion and nonlinear effects.
51774 文章首先使用达布变换(DT)合成孤子信号承载信息， In this paper, Darboux Transformation(DT) is used to synthesize soliton signal bearing information.
51775 通过对比非线性傅里叶变换(NFT)中的解析和数值法，选取合适的方法解调恢复信息。 By comparing with the analytical method and numerical method in Nonlinear Fourier Transform(NFT), the appropriate method is used to demodulate the recovered information.
51776 然后通过仿真实验对特征值通信方式进行了验证，并研究了传输过程中影响特征值的幅度、脉冲持续时间和采样点数等因素， The eigenvalue communication method is verified by simulation. The factors such as the amplitude, pulse duration and sampling points of the eigenvalues in the transmission process are studied.