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| 1 | Building Extraction from LIDAR Based Semantic Analysis显示文摘Extraction of buildings from LIDAR data has been an active research field in recent years. A scheme for building detection and reconstruction from LIDAR data is presented with an object-oriented method which is based on the buildings’ semantic rules. Two key steps are discussed: how to group the discrete LIDAR points into single objects and how to establish the buildings’ semantic rules. In the end, the buildings are reconstructed in 3D form and three common parametric building models (flat, gabled, hipped) are implemented. | YU Jie YANG Haiquan TAN Ming ZHANG Guoning | 2006 | Geo-Spatial Information Science2006，9，4： | 2 |
| 2 | In vitro and in vivo evaluation of the surface bioactivity of a calcium phosphate coated magnesium alloy显示文摘 | Liping Xu Feng Pan Guoning Yu Lei Yang Erlin Zhang Ke Yang | 2008 | Biomaterials2008，，8： | 2 |
| 3 | In Vitro and in Vivo Evaluation of the Surface Bioactivity of a Calcium Phosphate Coated Magnesimn alloy 显示文摘 | Xu Liping Pan Feng Yu Guoning | 2009 | Biomaterials2009，30，15： | 1 |
| 4 | In vivoevaluation of biodegradable magnesium alloy bone implant in the first 6 months implantation显示文摘 | Zhang Erlin Xu Liping Yu Guoning | 2009 | Journal of Biomedical Materials Research Part A2009，90，3： | 1 |
| 5 | The effect of biological pretreatment with the selective white-rot fungusEchinodontium taxodii on enzymatic hydrolysis of softwoods and hardwoods显示文摘 | YU Hongbo GUO Guoning ZHANG Xiaoyu | 2009 | Bioresource Technology2009，100，21： | 1 |
| 6 | Artificial Intelligence Re search in the People's Republic of Chintz A Review显示文摘 | Jiang Xinsong Song Guoning Chen Yu | 1983 | AI Magazine1983，4，4： | 1 |
| 7 | The effect of biological pretreatment with the selective white-rot fungus Echinodontium taxodii on enzymatic hydrolysis of softwoods and hardwoods显示文摘 | Hongbo Yu Guoning Guo Xiaoyu Zhang Keliang Yan Chunyan Xu | 2009 | Bioresource Technology2009，，21： | 1 |
| 8 | In situ performance and stability tests of large-area flexible polymer solar cells in the 35-km stratospheric environment显示文摘Flexible organic solar cells(FOSCs)are one of the most promising power sources for aerospace aircraft due to their atractive advantages with high power-per-weight ratio and excellent mechanical flexibility.Understanding the performance and stability of high-performance FOSCs is essential for the further development of FOSCs for aerospace applications.In this paper,after systematic investigations on the performance of the state-of-the-art high-performance solar cells under thermal cycle and intensive UV irradiation conditions,in situ performance and stability tests of the solar cells in the 35 km stratospheric environment were carried out through a high-altitude balloon uploading.The encapsulated FOSCs with an area of 0.64 cm^(2)gave the highest power density of 15.26 mW/cm^(2)and an efficiency over 11%,corresponding to a power-per-weight ratio of over 3.32 k W/kg.More importantly,the cells showed stable power output during the 3-h continuous flight at 35 km and only 10%performance decay after return to the lab,suggesting promising stability of the FOSCs in the stratospheric environment. | Zihan Xu Guoning Xu Qun Luo Yunfei Han Yu Tang Ying Miao Yongxiang Li Jian Qin Jingbo Guo Wusong Zha Chao Gong Kun Lu Jianqi Zhang Zhixiang Wei Rong Cai Yanchu Yang Zhaojie Li Chang-Qi Ma | 2023 | National Science Review2023，10，4： | 0 |
| 9 | Wind tunnel test of gust load alleviation for a large-scale full aircraft model显示文摘Wind tunnel test is an important way to test the performance of Gust Load Alleviation(GLA).At present,some component-level wind tunnel tests have been carried out in big aviation countries,but there is a lack of full aircraft model GLA tests.In this study,a set of large-scale GLA test system in low-speed wind tunnel is developed,which includes a gust generator,a five-degree-of-freedom suspension system,a full elastic aircraft model with control system,and gust load measuring devices.Two control schemes based on closed-loop feedback control and open-loop feed forward control are respectively designed and verified by the full-model GLA tests in the wind tunnel.The experimental results show that the designed gust generator can generate a stable wideband,wide-area gust wind field;the suspension support system can sustain static and dynamic stability during wind tunnel test,and enables the model moving in the horizontal,vertical,pitching,rolling and yawing directions.The results show that the closed-loop feedback control can obtain good control performance of reducing the peak values of elastic vibration response induced by gust excitation,but has little effect on suppressing the rigid body motion excited by low-frequency gust,while the open-loop feed forward control presents superior performance in allevi-ating the high-frequency elastic vibration as well as the low-frequency rigid body motion with more than 40%overall reduction rate. | Dongqiang ZHAO Zhichun YANG Xianang ZENG Jinge YU Yining GAO Guoning HUANG | 2023 | Chinese Journal of Aeronautics2023，36，4： | 0 |
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