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)‡
       
Direction diagrams of all eight channels corresponding to the (a) first, (b) second, and (c) third electrode placement schemes in Fig.  1 . The numbers from 1 to 8 represent the channel indices in Table  1 , respectively.