ID 原文 译文
55007 然而由于CS的噪声敏感性,其成像易受到噪声污染;另外,少量脉冲条件下很难保证噪声参数估计精度,这进一步加剧了ISAR成像污染。 However, due to the noise sensitivity CS, its imaging are susceptible to noise pollution;In addition, a small amount of pulse conditions it is difficult to guarantee the noise parameters estimation precision, which further exacerbated the ISAR imaging of pollution.
55008 针对这一问题,提出一种散射区域加权CS ISAR成像算法,利用目标散射区域信息对冗余字典中的基函数进行加权,修正CS重建算法以抑制噪声散斑。 In order to solve this problem, this paper puts forward a kind of scattering area weighted CS ISAR imaging algorithm, using the target scattering area information for redundant dictionary of basis function weighted, amended CS reconstruction algorithm to suppress speckle noise.
55009 为提高噪声参数估计精度,对回波采样建立子序列矩阵,提出矩阵扰动理论噪声参数估计方法。 To improve the noise parameters estimation precision, the subsequence on echo sample matrix, the matrix perturbation theory put forward by noise parameter estimation method.
55010 实验结果表明,所提方法能够有效抑制噪声影响,提高低信噪比和少量脉冲条件下ISAR成像质量。 Experimental results show that the proposed method can effectively suppress noise, improve under the condition of low SNR and small amounts of pulse ISAR imaging quality.
55011 网络编码方法能够有效地改善延迟容忍网络的数据传输效率,其关键问题在于合理地选择编码节点。 Network coding method can effectively improve the efficiency of delay tolerant network data transmission, the key problem is to rationally choose coding node.
55012 提出了一种带有节点编码能力感知的延迟容忍网络数据转发机制。 This paper proposes a data coding ability to perceive delay tolerant network with node forwarding mechanism.
55013 根据网络中节点运行的历史相遇信息,建立时间图模型以感知节点之间的连接态势,并根据平均相遇时间间隔、最短路径长度及可达率等3方面因素综合确定节点转发能力,进而以动态的方式选择编码节点。 According to the history of the nodes in the network operation information, set up time graph model to perceive the connection between the nodes, and according to meet the average time interval, the shortest path length, and can reach rate 3 factors determine the node transmit ability, and then select code in the form of dynamic node.
55014 结果表明,所提出的策略能够有效地提高网络资源利用率,改善网络的性能。 The results show that the proposed strategy can effectively improve the utilization rate of network resources to improve the performance of the network.
55015 火力规划是反导力量作战运用的重中之重,对多波次目标的反导火力安排与分配是一个复杂的不确定多约束优化问题。 Fire planning is the key of the missile forces combat use, the more times the target missile firepower arrangement and distribution is a complicated uncertain multiple constrained optimization problems.
55016 在对反导火力规划问题分析的基础上,给出了弹-目分配时机、模型思路和假设。 Based on the analysis of the problems of anti-missile fire planning, play - mesh distribution time, the model is given ideas and assumptions.