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本文介绍一种用椭球调和函数正交级数展开心电场求解心电逆问题的新方法。将心外膜上的电位记为Φ_H,体表面上的电位记为Φ_B。体表处于无限媒质中的电位以Φ(?)表示。则对于体表上任一点 P_B 有:
In this paper, we introduce a new method to solve the ECG inverse problem by using the orthogonal series of ellipsoidal harmonic functions to expand the cardiac electric field. The epicardial potential as Φ_H, the body surface potential as Φ_B. Surface potential in an infinite medium is expressed as Φ (?). Then any point on the body surface P_B: