ID 原文 译文
48426 测量二维实测弹性波数据的实验设置是多收发分置的。 Measuring two-dimensional measured elastic wave data of the experimental setup is more transceiver division.
48427 以矢量方式对二维实测弹性波数据的重建结果验证了扩展后对比源反演算法的有效性和精确性,是一种非常有前景的解决弹性波成像问题的处理方法。 In vector way for 2 d measured elastic wave data reconstruction results show the effectiveness of the extended contrast source inversion algorithm and accuracy, is a very promising approach to solve the problem of elastic wave imaging.
48428 大多数解相干测向算法只能应用于均匀线阵,而不能用于均匀圆阵。 Most of the solutions of the coherent direction finding algorithm can only be applied to the uniform linear array, and cannot be used for uniform circular array.
48429 针对这一问题提出了一种基于虚拟均匀线阵的快速解相干波达方向估计算法,该算法对均匀圆形阵列的输出信号进行模式激励,使其成为虚拟均匀线阵,在色噪声协方差矩阵为复对称Toeplitz结构的情况下,利用空间差分方法和矩阵重构相结合来估计相干信号,并且去除非相干信号以及色噪声。 In order to solve this problem this paper proposes a fast solution based on virtual uniform linear array coherent doa estimation algorithms, the algorithm of uniform circular array output signal model, making it a virtual uniform linear array, the colored noise covariance matrix of the complex symmetric Toeplitz structure, based on the spatial difference method and matrix reconstruction to estimate the combination of coherent signal, and unless the coherent signal and noise.
48430 该算法提高了阵列的信源过载能力,不需要进行高阶累积量的计算以及特征分解,计算机仿真结果证明了算法的有效性。 The algorithm improves the array source overload capacity, do not need to undertake the calculation of higher-order cumulant feature decomposition, and the computer simulation results prove the effectiveness of the algorithm.
48431 针对水面舰艇编队防空反导作战中的武器-目标分配问题,建立了编队防空火力分配模型,将自适应差分进化算法应用到模型的求解与仿真中,并根据参数优化,改善了问题求解的收敛特性。 according to the theory of surface ship formation anti-air warfare weapon target assignment problem, fleet air defense firepower allocation model is established, and the adaptive differential evolution algorithm is applied to the solution of the model and simulation, and according to the parameter optimization, the convergence property of the improved problem solving.
48432 针对模型求解的特殊要求,采用适当的编码方案,使种群个体编码满足约束条件,利用混沌序列初始化种群,加强种群的搜索多样性,变异、交叉参数的动态自适应策略和混沌序列扰动避免算法陷入局部最优等方法对算法进行优化改进,较方便快捷地解决了多平台多类型武器-目标分配问题。 Concerning the special requirements of model, using the appropriate coding scheme, satisfy individual species coding constraints, using chaotic sequence to initialize the population, strengthening the search diversity of population, the dynamic adaptive strategy of mutation, crossover parameter and disturbance to avoid chaotic sequence algorithm trapped in local optimize the algorithm to improve, the most superior method is convenient and quick way to solve the multi-platform multi-type weapon target assignment problem.
48433 实例证明,该方法能够获得满意的结果,与其他智能算法相比,在优化性能上有较大改进。 Examples show that this method can obtain satisfactory results, compared with other intelligent algorithm, has great improvement on the optimal performance.
48434 提出了一种正交频分复用(orthogonal frequency division multiplex,OFDM)技术与协作复数域网络编码有机结合的OFDM-协作复数域网络编码(OFDM-cooperative complex field network coding,OFDM-CCFNC)算法。 An orthogonal frequency division multiplexing (orthogonal frequency division multiplex, OFDM) technology and the organic combination of coordination complex field network coding OFDM - coordination complex field network coding (OFDM - cooperative complex field network coding, OFDM - CCFNC) algorithm.
48435 理论分析了该算法的系统误帧率和频谱利用率,仿真结果表明,该算法能够克服无线信道的频率选择性衰落影响,提高系统频谱利用率。 Theoretical analysis of the system frame error rate and spectrum efficiency of the algorithm, the simulation results show that the algorithm can overcome frequency selective fading of wireless channel, improve the system spectrum efficiency.