On multipole theory in electrocardiography |
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Authors: | Robert Plonsey |
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Institution: | (1) Bioengineering Group, Case Institute of Technology, Cleveland, Ohio |
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Abstract: | This paper continues a comparison of the Taylor series and spherical harmonic forms of multipole representations initiated
by Yeh (Bull. Math. Biophysics,24, 197–207, 1962). It is shown that while transformations from Taylor series form into spherical harmonic form is always possible,
the inverse cannot be accomplished as suggested by Yeh; corrected transformation equations are given. It is also shown that
direct measurement of Taylor coefficients, as outlined in Yeh, Martinek, and de Beaumont (Bull. Math. Biophysics,20, 203–216, 1958), is actually not possible. Accordingly, only the spherical harmonic coefficients can be determined by measurement
of surface potentials, as in electrocardiography. |
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Keywords: | |
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