| ID | 原文 | 译文 |
| 51757 | 卢比变换(LT)码是第一种具有实用价值的数字喷泉码。 | The Luby Transform(LT)codes is the first digital fountain codes that has practical values. |
| 51758 | LT码在噪声信道中具有良好的性能，且已在自由空间光通信(FSO)中广泛应用。 | LT codes can demonstrate excellent performance in noisy channels, and it has been widely applied in Free Space Optical Communications(FSO). |
| 51759 | 文章首先简要说明了LT码的基本原理，列举了LT码与其他几种FSO中常用的编码方案的优缺点。 | In this article, the basic principle of LT codes is introduced, and the advantages and disadvantages of LT codes and other common encoding schemes for FSO are listed. |
| 51760 | 然后，概括了国内外对LT码在FSO系统中应用的研究进展， | Besides that, the progress of both domestic and foreign research on the applications of LT codes in FSO systems is summarized. |
| 51761 | 并从新型度分布和改进的译码方案两个角度详细介绍了LT码在FSO系统中应用的性能优化方案。 | Then, the strategies for enhancing the performance of LT codes in FSO systems are elaborately described in two aspects, i. e. , novel degree distributions and improved decoding schemes. |
| 51762 | 最后，指出了现有LT码相关研究的不完善之处，对LT码在FSO中的未来研究方向提出了展望。 | Finally, the incompletions of the existing research on LT codes are indicated, and some directions of further research on LT codes in FSO are depicted. |
| 51763 | 针对两对被时间延迟分开的脉冲会根据相位和时延的变化影响脉冲间的传输特性，且在脉冲重叠区域会受到交叉相位调制的影响发生干涉现象的问题， | For the two pairs of pulses separated by time delay, the transmission characteristics between the pulses will be affected according to the changes of phase and delay, and the interference phenomenon will occur in the pulse overlap area due to the influence of cross-phase modulation. |
| 51764 | 文章提出了在色散渐减光纤环镜中观察脉冲对的传输特性， | The article proposes to observe the transmission characteristics of pulse pairs in a dispersion-decreasing fiber loop mirror. |
| 51765 | 研究结果表明，可根据脉冲对之间的相位和时延变化，观察脉冲对的时域特性和啁啾特性， | The research results show that according to the changes in phase and delay between the pulse pairs, the time domain characteristics and chirp characteristics of the pulse pairs can be observed, |
| 51766 | 分析脉冲对在不同情况下的传输特性。 | and the transmission characteristics of the pulse pairs under different conditions are analyzed. |