char-acteristic相关论文
This paper proposes a linear frequency modulation (LFM signal) and biphase coding (BC signal) mixed modulation signal ca......
NON-LINEARVIBRATIONOFRECTANGULARRETICULATEDSHALLOWSHELLSTRUCTURESNieGuo-hua(聂国华)(DepartmentofEngineeringMechanics,TongjiUnive.........