Some regularity on how to locate electrodes for higher fECG SNRs*
Zhang Jie-Mina), Huang Xiao-Lina), Guan Qunb), Liu Tie-Bingb)†, Li Pingb), Zhao Yinga), Liu Hong-Xinga)‡
       
Directions of the extended channels. Numbers from 1 to 16 represent the corresponding channel indices in Table  2 .