ID 原文 译文
10644 仿真实验验证了所提方法的有效性。 Simulation experiments verify the effectiveness of the proposed method.
10645 提出了适用于面阵中的基于级联多重信号分类(multiple signal classification,MUSIC)方法的二维波达方向(direction of arrival,DOA)估计算法。 Put forward the suitable for array based on cascade of multiple signal classification (multiple signal classification, MUSIC) method of 2-d DOA (direction of concatenated, DOA) estimation algorithm.
10646 该算法仅采用级联的一维搜索即可实现二维DOA的联合估计,避免了经典二维MUSIC算法的复杂计算量,复杂度大大降低,同时角度估计性能非常接近经典二维MUSIC算法。 ‭The algorithm with a cascade of one dimensional search only two-dimensional joint estimation of DOA can be realized, avoiding the complex computation of classic 2-d MUSIC algorithm, complexity is greatly reduced, at the same time Angle estimation performance is very close to the classic 2-d MUSIC algorithm.
10647 此算法可以实现二维角度的自动配对,角度估计性能优于传播算子算法(propagator method,PM)以及借助于旋转不变技术的信号参数估计算法。 ‭This algorithm can realize the automatic matching of 2 d Angle, the Angle estimation performance is better than propagator algorithm (propagator method, PM) and by means of technology of rotation invariant signal parameter estimation algorithm.
10648 同时,该算法可以很好地估计出相同方位角(或仰角)的信源。 ‭At the same time, the algorithm can estimate the azimuth Angle (or elevation) of the same source.
10649 结合算法的高性能及低复杂度,该算法拥有更广泛的适用范围,其优越性得到验证。 ‭In combination with high performance and low complexity of algorithm, the algorithm has a broader scope of application, demonstrated its superiority. ‭
10650 为克服喷泉码需传输数据量大、信息透明的缺点,在LT传输(Luby transform,LT)码的生成矩阵中引入具有保密性的算术编码,提出一种低冗余LT(low redundancy LT,LRLT)码。 To overcome the fountain codes should be, the shortcomings of information transparency, large quantities of data transmission in LT (Luby transform, LT) code generator matrix introduced in arithmetic coding with confidentiality, put forward a kind of low redundancy LT (low redundancy LT, LRLT) code.
10651 LRLT码以生成矩阵的列为单位对邻居信息进行序列建模和无损压缩,能够在保持传统LT码结构的前提下,有效减少所需传输的数据量。 LRLT code to generate the matrix as a unit of neighbor information sequence modeling and lossless compression, to keep the traditional under the premise of LT codes structure, effectively reduce the amount of data transferred.
10652 此外,LRLT码的序列模型能够以密钥为依据进行交替变换,使得截获端无法正确恢复原始信息。 In addition, the sequence of LRLT code model can be based on key alternates alternately, prevented intercepted end restore the original information correctly.
10653 仿真结果表明,与优化前的LT码相比,LRLT码信息传输的有效性显著提高,且具有抗截获能力,可应用于安全通信领域。 Simulation results show that, compared with before optimization of LT codes of LRLT code information transmission effectiveness increased significantly, and has the ability to resist intercepted, can be applied to secure communication field.