西安电子科技大学;
Nuclear quadrupole resonance (NQR); Free induction decay (FID); Spin echo (SE); signal Explosves detection; Radio frequency interference (RFI); Linear prediction (LP); Nonlinear least square (NLS); Fast maximum likelihood estimation (FMLE); Hankel matrix; Total least square (TLS); Singular value decomposition (SVD); Vandermonde decomposition (VDMD); Common subspace; Subspace shift-invariance property;