Dalian University of Technology;
Dalian;
116024;
P. R. China;
Zhengzhou University;
Zhengzhou;
450002;
P. R. China Zhengzhou University;
Zhengzhou;
450002;
P. R. China Zhengzhou University;
Zhengzhou;
450002;
P. R. China;
Chonging University;
Chongqing;
400044;
P. R. China Dalian University of Technology;
Dalian;
116024;
P. R. China;
Zhengzhou University;
Zhengzhou;
450002;
P. R. China;
system; identification; singular; value; decomposition; (SVD); backcalculation; pavement; falling; weight; deflectometer; (FWD); moduli; thickness;