作者机构:[1]School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, China, [2]Sichuan Provincial Key Laboratory of Signal ~: Information Processing, Southwest Jiaotong University, Chengdu 610031, China
相关基金:Project supported by the National Natural Science Foundation of China (Grant No. 60971104), the Fundamental Research Funds for the Cental Universities (Grant No. SWJTU09BR092), and the Young Teacher Scientific Research Foundation of Southwest Jiaotong University (Grant No. 2009Q032).