ID	原文	译文
18195	然后利用改进的多对1最长公共子序列算法，计算经典轨迹与实时轨迹之间的最长公共子序列长度；	Secondly, the longest common subsequence lengthbetween classical trajectory and real-time trajectory is calculated by using the improved multi-to-one longestcommon subsequence algorithm.
18196	最后将最长公共子序列长度与经典轨迹的点数的比值作为经典轨迹与实时轨迹之间的相似度。	Finally, the ratio of the longest common subsequence length to the number ofpoints of the classical trajectory is taken as the similarity between the classical trajectory and the real-timetrajectory.
18197	实验说明该算法的鲁棒性，该算法能够有效解决经典轨迹与实时轨迹之间的大差异轨迹相似度量问题。	Experiments show that the algorithm is robust and can effectively solve the problem of similarity measurement between the classical trajectories and real-time trajectories.
18198	针对长码长空间耦合低密度奇偶校验(SC-LDPC)码译码时延较长的问题，该文提出了分层滑动窗译码(LSWD)算法。	In order to solve the problem of the long decoding delay for the Spatially-Coupled Low-DensityParity-Check (SC-LDPC) code with long code length, a Layered Sliding Window Decoding (LSWD) algorithmis proposed.
18199	该算法利用SC-LDPC子码码块的准循环特性和滑动窗内校验矩阵的层次结构，通过在滑动窗内对校验矩阵进行分层处理，优化层与层之间消息传递，从而加快窗内译码的收敛速度，减少了译码迭代次数。	By exploring the quasi-cyclic characteristics of the SC-LDPC sub-codeblock and the hierarchicalstructure of the check matrix in the sliding window, the part of check matrix in the sliding window is layered tooptimize the message transfer between two neighbor layers, with the aim of accelerating the convergence of theiterative procedure and reducing the number of decoding iterations.
18200	仿真和分析结果表明：在相同的信噪比(SNR)条件和相同的误码性能要求下，LSWD算法所需的迭代次数少于滑动窗译码(SWD)算法，	Simulation and analysis results show thatthe number of iterations in the proposed LSWD algorithm is less than that in the SWD, under the same Signal-to-Noise Ratio (SNR) and the bit error ratio.
18201	特别在高信噪比下，LSWD算法的迭代次数约为SWD算法的一半，从而有效缩短全局译码时延；	In the high SNR region, especially, the number of iterations in theproposed LSWD is about half of that in the SWD, hence the global decoding delay of the former is effectivelyshorten.
18202	在相同译码迭代次数下，LSWD算法的译码性能优于SWD算法，而其计算复杂度增加不大。	In addition, the decoding performance of the LSWD algorithm is better than the SWD algorithmunder the same number of decoding iterations, and the overall computational complexity is slightly increased.
18203	作为一类重要的信息安全产品，密码产品中所使用的密码技术保障了信息的保密性、完整性和不可抵赖性。	As a kind of important information security products, the cryptographic technique adopted by cryptographic products guarantees the confidentiality, integrity and non-repudiation of information.
18204	而侧信道攻击是针对密码产品的一类重要的安全威胁，它主要利用了密码算法运算过程中侧信息(如时间、功耗等)的泄露，通过分析侧信息与秘密信息的依赖关系进行攻击。	The sidechannel attack is an important security threat against cryptographic products. It mainly utilizes the leakage of side information (such as time, power consumption, etc.) during the operation of cryptographic algorithm, and attacks by analyzing the dependence between side information and secret information.