ID 原文 译文
21515 因此，该文提出一种抗差岭估计定位解算算法，通过引入岭参数将无偏估计变为有偏估计，实现均方误差最小约束条件下的最优位置估计，并利用迭代选权降低了质量较差的观测量对定位精度的影响。 Therefore, this paper proposes a novel localization method based on an improved robust ridge regression estimation, which reduces the influence of the lower accurate observations by iterative weight selection.
21516 实验结果表明，与OLS (Ordinary LeastSquare), LM (Levenberg-Marquardt)和RR (Ridge Regression)算法相比，该文提出的抗差岭估计定位解算算法能够有效提高基于视觉物体识别的室内定位方法的成功率和精度。 The experimental results show that compared with Ordinary Least Square (OLS), Levenberg-Marquardt (LM) and Ridge Regression (RR) algorithms, the proposed improved robust ridge regression estimation algorithm can effectively improve the positioning success rate and positioning accuracy of the object detection based indoor navigation method.
21517 针对分段线性地形变换模型运算量较大的问题，该文提出基于双层网格的计算方法，实现了海上大尺度区域复杂电磁环境下电磁波传播特性快速精准的求解。 A double-layer model is proposed to reduce the calculation amounts of the Linear Ship Map (LSM) model. The proposed model can be used for rapid and accurate calculation of the electromagnetic propagation characteristics in the complicated atmospheric environment over the sea.
21518 在对宽角抛物方程模型和分段线性地形变换模型的分步傅里叶积分算法研究的基础上，将电磁场计算空间分为上下两层，通过降低计算高度和优化步长的方法，在保证计算精度的同时显著提高了运算效率。 In the proposed model, the calculation regions are divided into the upper-layer and the lower-layer. The upper-layer is calculated by the Wide angle Parabolic Equation (WPE) model and the lower-layer is calculated by the LSM model. Through reducing the calculation height and optimizing the step length, the proposed model can be exact and rapid.
21519 通过仿真，在光滑海面和粗糙海面两种条件下对双层网格模型的计算结果与原有模型进行比较，结果表明，所提方法计算误差较小，在粗糙海面条件下运算时间缩短到原模型的1/10。 By simulation,the proposed model is compared with LSM model in the smooth and the rough sea surface conditions. The results show that the proposed model can decrease the calculation time by 1/10 in the rough sea surface condition.
21520 针对异构计算系统任务调度过程中通信冲突以及算法运行时间的问题，该文提出一种基于双仲裁机制和田口正交法的猫群优化任务调度算法。 To solve communication conflicts and algorithm running time problem in task scheduling process of heterogeneous computing system, a cat swarm optimization task scheduling algorithm is proposed based on double arbitration mechanism and Taguchi orthogonal method.
21521 首先利用双仲裁机制对任务资源进行管理，动态判决任务的分配，有效避免通信冲突，再将田口正交法应用到猫群优化过程的跟踪模式中，降低算法运行时间，提高解的质量。 Firstly, the double arbitration mechanism is used to manage the task resources, and the task assignment is dynamically decided to avoid effectively communication conflicts. Then, the Taguchi orthogonal method is applied to the tracking mode of the cat swarm optimization process to reduce the algorithm running time and improve the quality of the solution.
21522 实验结果表明，该算法运行速度明显高于其他算法至少约10%，算法在处理大量任务时的并行化效果最优，在异构环境中也体现出其相当大的优势。 Experimental results show that the algorithm runs at a rate of at least about 10% faster than other algorithms.The algorithm performs best in parallelism when dealing with a large number of tasks and has considerable advantages in heterogeneous environments.
21523 相干变化检测(CCD)利用场景中变化区域的失相干特性进行检测，而场景中存在的体散射植被区域及低信噪比区域也呈现低相干特性，对待检测变化区域形成干扰。 Coherent Change Detection (CCD) detects change areas in the scene using its decorrelation, yet vegetation areas with volume scattering and low signal-noise ratio areas in the scene also appear as low coherence, which causes interference to changing areas to be detected.
21524 该文提出一种极化SAR CCD方法，首先利用变化前后SAR图像间的极化相干信息建立加权迹相干统计量，然后利用各个SAR图像内极化通道间的相干信息，通过建立混合GEV分布模型，采用改进EM算法求解各分量参数，建立体散射约束项，最后结合散射功率变化约束项构建极化CCD检验统计量。 A polarimetric SAR CCD method is proposed. Firstly, the polarimetric coherence between two SAR images before and after changing is employed to set up weighted trace coherence statistics. Secondly, the polarimetric coherence between channels of each SAR image is employed to set up volume scattering constraint by establishing GEV mixture distribution model and solving parameters of each part using improved EM algorithm. Lastly, constraint of scattering power change is combined to set up the final polarimetric CCD test statistics.