作者机构:[1]Institute of Acoustic Engineering, Northwestern Polytechnical University, Xi'an 710072, China
相关基金:Project supported by the National Natural Science Foundation of China (Grant Nos. 60901076 and 10734030), the Northwestern Polytechnical University (NPU) Foundation for Fundamental Research (Grant No. NPU-FFR-JC200805), Special Funded Project of the China Postdoctoral Science Foundation (Grant No. 200902604), the China Postdoctoral Science Foundation Funded Project (Grant No. 20080431248), and the Hovering Star Plan of Northwestern Polytechnical University.