Ning, Xinbao; Xu, Yinlin; Wang, Jun; Ma, Xiaofei - In: Physica A: Statistical Mechanics and its Applications 346 (2005) 3, pp. 475-483
An improved approximate entropy (ApEn) algorithm based on wave mode is proposed by analyzing and modifying ApEn, so … complexity of HFECG, a conclusion can be drawn that ApEn algorithm based on wave mode can obviously distinguish heart diseases …