Feature extraction and improved denoising method for nonlinear and nonstationary high-rate GNSS coseismic displacements applied to earthquake focal mechanism inversion of the El Mayor–Cucapah earthquake

Yanyan Li, Linqiao Han, Lei Yi, Shuhan Zhong, Chuanfa Chen

Shandong University of Science and Technology　Chinese Academy of Sciences　Qinghai Institute of Salt Lakes　Hong Kong University of Science and Technology