The simulation study of three typical time frequency analysis methods Yifeng Li, Lihui Zhang, Baohui Li, Yan Xu, Sanyuan Wu, Xiaoyang Wei, Xiaoyan Liu, Rong Lin and Quan Wang BIO Web Conf., 8 (2017) 02007 Published online: 11 January 2017 DOI: 10.1051/bioconf/20170802007