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4篇 您的检索式:作者名="An Mingwei"
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1A fundamental theorem for eco-environmental surface modelling and its applications显示文摘We propose a fundamental theorem for eco-environmental surface modelling(FTEEM) in order to apply it into the fields of ecology and environmental science more easily after the fundamental theorem for Earth’s surface system modeling(FTESM). The Beijing-Tianjin-Hebei(BTH) region is taken as a case area to conduct empirical studies of algorithms for spatial upscaling, spatial downscaling, spatial interpolation, data fusion and model-data assimilation, which are based on high accuracy surface modelling(HASM), corresponding with corollaries of FTEEM. The case studies demonstrate how eco-environmental surface modelling is substantially improved when both extrinsic and intrinsic information are used along with an appropriate method of HASM. Compared with classic algorithms, the HASM-based algorithm for spatial upscaling reduced the root-meansquare error of the BTH elevation surface by 9 m. The HASM-based algorithm for spatial downscaling reduced the relative error of future scenarios of annual mean temperature by 16%. The HASM-based algorithm for spatial interpolation reduced the relative error of change trend of annual mean precipitation by 0.2%. The HASM-based algorithm for data fusion reduced the relative error of change trend of annual mean temperature by 70%. The HASM-based algorithm for model-data assimilation reduced the relative error of carbon stocks by 40%. We propose five theoretical challenges and three application problems of HASM that need to be addressed to improve FTEEM.Tianxiang YUE Na ZHAO Yu LIU Yifu WANG Bin ZHANG Zhengping DU Zemeng FAN Wenjiao SHI Chuanfa CHEN Mingwei ZHAO Dunjiang SONG Shihai WANG Yinjun SONG Changqing YAN Qiquan LI Xiaofang SUN Lili ZHANG Yongzhong TIAN Wei WANG Ying’an WANG Shengnan MA Hongsheng HUANG Yimin LU Qing WANG Chenliang WANG Yuzhu WANG Ming LU Wei ZHOU Yi LIU Xiaozhe YIN Zong WANG Zhengyi BAO Miaomiao ZHAO Yapeng ZHAO Yimeng JIAO Ufra NASEER Bin FAN Saibo LI Yang YANG John PWILSON 2020Science China Earth Sciences2020,63,8:7
2Image Distortion Metric Based on Total Bounded Variation显示文摘Image definition measurement plays an important role in various image processing applications.And a reliable objective image definition metrics is critical for evaluating the definition of the restored image.In this paper,a novel image distortion metric based on minimal Total Bounded Variation(TBV) is presented.It is clarified that when the restored image approximates to the original clear image,the smaller the TBV is,the better the definition of the restored image is.Furthermore,the difference between the restored image and the original clear image is the smallest when the TBV is minimum.In numerical results,the TBV of the original clear image,blur image and restored image are presented and compared,and the results demonstrate the validity of the distortion metric proposed.Cheng Xiaogang An Mingwei Chen Qimei 2012China Communications2012,9,2:3
3Tunable Photoluminescence from Graphene Oxide显示文摘Chih‐Tao Chien Shao‐Sian Li Wei‐Jung Lai Yun‐Chieh Yeh Hsin‐An Chen I‐Shen Chen Li‐Chyong Chen Kuei‐Hsien Chen Takashi Nemoto Seiji Isoda Mingwei Chen Takeshi Fujita Goki Eda Hisato Yamaguchi Manish Chhowalla Chun‐Wei Chen 2012Angew. Chem. Int. Ed2012,,27:1
4TRACKING VARIABLE STRUCTURE CONTROL LAW WITH APPLICATION TO ELECTRO-HYDRAULIC SERVO SYSTEMS显示文摘TRACKINGVARIABLESTRUCTURECONTROLLAWWITHAPPLICATIONTOELECTRO-HYDRAULICSERVOSYSTEMSLiYunhua;WangMingwei;WangZhanlin;QiuLihua(Be...Li Yunhua Wang Mingwei Wang Zhanlin Qiu Lihua (Beijing University of Aeronautics and Astronautics) Shi Weixiang (Xi’an Jiaotong University) 1996Chinese Journal of Mechanical Engineering1996,9,4:1
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