作者机构:[1]Department of Modem Mechanics, University of Science and Technology of China, Hefei 230026, China, [2]Department of Computer Science and Technology, Hefei University of Technology, Hefei 230009, China
相关基金:Project supported by the National Natural Science Foundation of China (Grant Nos. 10772173, 10972211 and 11072236), the Fundamental Research Funds for the Central Universities and the Science and Technology Innovation Foundation of the Chinese Academy of Sciences (Grant No. CXJJ-11-M69).