ID 原文 译文
50907 使用萤火虫算法-层次分析法(firefly algorithm-analytic hierarchy process，FA-AHP)，将判断矩阵的一致性检验问题归结为非线性组合优化问题， Use the firefly algorithm-the analytic hierarchy process (are algorithm-analytic hierarchy process, FA - AHP), the consistency check of judgment matrix due to the nonlinear combinatorial optimization problem,
50908 解决了判断矩阵一致性检验和计算AHP中各要素的排序权值问题。 solve the calculation AHP judgment matrix consistency test and sorting weighting of each element in the problem.
50909 算法性能和算例分析初步证明，FA-AHP直观、实用，计算结果稳定、精度高，在系统工程中具有推广应用价值。 Algorithm performance and preliminary numerical simulation examples prove, FA-AHP intuitive, practical, the calculation results stability, high precision, thus it deserves popularization in the system engineering application value.
50910 由于水声环境时变特性，在水声信道中进行正交频分复用(orthogonal frequency division multiplexing，OFDM)信号传输，子载波间的正交性易受到破坏， Because of time-varying underwater acoustic environment properties, in the underwater acoustic channel for orthogonal frequency division multiplexing (orthogonal frequency division multiplexing, OFDM) signal transmission, the subcarrier orthogonality between susceptible to damage,
50911 从而产生载波间干扰，使得水声通信的误码率性能变差。 resulting in an intercarrier interference, the ber performance of underwater acoustic communication.
50912 针对这个问题，提出一种适用于水下时变信道的自适应OFDM均衡算法， Aimed at this problem, this paper puts forward a kind of suitable for underwater time-varying channel adaptive OFDM equalization algorithm,
50913 该算法采用滑动窗口进行子块短时傅里叶变换获得接收信号的二维时频谱， this algorithm adopts sliding window for sub-block short-time Fourier transform for receiving signals of two-dimensional spectrum,
50914 进而对该二维时频谱进行自适应时-频域联合合并均衡。 and then to the two-dimensional spectrum of joint time-frequency domain adaptive equilibrium merger.
50915 该自适应均衡算法中采用最小均方误差算法跟踪信道时变特性， The adaptive equalization algorithm adopts the minimum mean square error algorithm to track channel time-varying characteristics,
50916 并通过自适应判决反馈均衡更新二维时频谱的加权合并系数，提高了OFDM系统抗载波间干扰的性能。 and through the adaptive decision feedback equalization update 2 d spectrum weighted coefficient of consolidation, which improves the performance of OFDM system intercarrier interference.