Combining the decomposition of the structural stiffness matrix with an identification approach with unknown input , a method of composite inversion is suggested 通過結(jié)構(gòu)動(dòng)力矩陣的分解并結(jié)合作者提出的一種在輸入信息未知的條件下識(shí)別結(jié)構(gòu)物理參數(shù)的方法,提出了一類復(fù)合反演算法。