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    题名 作者 年代 出处 被引量
1Inverse procedure for determining model parameter of soils using real-coded genetic algorithm显示文摘The hybrid genetic algorithm is utilized to facilitate model parameter estimation.The tri-dimensional compression tests of soil are performed to supply experimental data for identifying nonlinear constitutive model of soil.In order to save computing time during parameter inversion,a new procedure to compute the calculated strains is presented by multi-linear simplification approach instead of finite element method(FEM).The real-coded hybrid genetic algorithm is developed by combining normal genetic algorithm with gradient-based optimization algorithm.The numerical and experimental results for conditioned soil are compared.The forecast strains based on identified nonlinear constitutive model of soil agree well with observed ones.The effectiveness and accuracy of proposed parameter estimation approach are validated.李守巨 邵龙潭 王吉喆 刘迎曦 2012Journal of Central South University2012,19,6:3
2一种共照射源超空间分辨率三维重建方法显示文摘受到制造工艺限制,现有的3D非扫描激光雷达APD阵列无法做到高度集成。为了提高3D非扫描激光雷达的空间分辨率,满足高分辨率空间采样需求,文中提出了一种共照射源3D激光雷达和2D探测器超空间分辨率信息获取方法。该方法使用高分辨率共照射源2D探测器对3D激光雷达进行辅助成像,将2D探测器得到的激光回波强度信息与3D激光雷达得到的目标深度信息进行数据融合,并对不同孔径的成像结果基于非相参合成孔径成像原理进行修正,实现超越3D非扫描激光雷达空间分辨率的目标三维重建。实验结果表明,该方法能够有效提高3D非扫描激光雷达的空间分辨率。黄雨泽 陈广东 王媛 万思钰 2020电子科技2020,33,7:1
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