ID 原文 译文
8474 首先以建立多AUV协同导航基本模型为基础,给出基本的协同导航滤波过程; First based on the establishment of a basic model for multiple cooperating AUV navigation, are the basic collaborative navigation filtering process;
8475 通过广义最大似然估计的滤波算法对受污染的量测噪声进行处理; Through the filter algorithm of generalized maximum likelihood estimation to deal with the measurement noise contaminated;
8476 进一步地,利用Schweppe形式下的广义最大似然估计解决量测出现的异常情况;运用交互式多模型算法解决由量测噪声时变而造成的滤波精度下降问题。 Further, by using the generalized maximum likelihood estimate Schweppe form solution measure appear abnormal situation;Using the interactive multiple model algorithm to solve the time-varying caused by measurement noise filtering accuracy degradation.
8477 最后仿真结果表明该协同导航滤波算法具有良好的自适应鲁棒性。 Finally the simulation results show that the collaborative navigation filter algorithm has good adaptive robust.
8478 针对输出为非平稳速变数据的仿真模型验证及排序评估问题,提出了一种基于Hilbert-Huang变换的仿真模型排序评估方法。 Simulation model for the output for non-stationary someone who comported himself data validation and the evaluation of the sorting problem, this paper proposes a simulation model based on the Hilbert - Huang transform sorting evaluation methods.
8479 首先采用经验模态分解对仿真和参考输出的非平稳速变数据进行分解得到趋势项和平稳项; First of all, the empirical mode decomposition is adopted to the simulation and the reference output of non-stationary trend of someone who comported himself data are decomposed and smooth;
8480 然后从距离和形状两方面刻画趋势项误差特征并进行一致性分析,采用基于Hilbert变换的谱密度相容性检验方法对平稳项进行一致性分析,同时为满足相容性检验的条件,证明了基于Hilbert变换的平滑样本谱密度服从χ2分布; Then depict trends from two aspects of distance and shape error characteristics and consistency analysis, spectral density of the compatibility testing method based on Hilbert transform to a smooth consistency analysis, at the same time in order to satisfy the conditions of compatibility test, proves that the smooth sample based on Hilbert transform spectral density obey the chi-square distribution;
8481 最后引入灰色关联分析综合3类一致性分析结果实现仿真模型的排序评估。 Finally, grey correlation analysis is introduced based on the analysis of three kinds of consistency results achieve the simulation model of assessment.
8482 通过实例应用,验证了方法的有效性。 Through the application instance, verify the validity of the method.
8483 设备到设备(device to device,D2D)通信允许邻近用户使用蜂窝网络频段直接通信,既能分流部分蜂窝数据,减轻基站负担,又能提升服务质量。 Device to device (device to device, D2D) communication allows users to use adjacent cellular network band direct communication, can divert part of cellular data, lighten the burden of base station, and can improve the service quality.