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The electromagnetic scattering by buried complex objects

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3 Author(s)
Lu Shu ; Dept. of Radio Physics, Wuhan University, 430072, P. R. China ; Chang Mei ; Xu Penggen

The solution of scattering problem of buried complex bodies needs to not only consider the scattering from the complex bodies, but also apply the boundary conditions in two different types of coordinate systems. This paper applies the conversion technique of vector wave functions combined with the three-dimensional unimoment method to effectively solve this type of complex electromagnetic problem. Using the conversion relations between the cylindrical and spherical vector wave functions, two types of boundary-value problems are conveniently jointed. Both the vector wave function expansion and the multipole expansion belong to eigen function expansion methods and have the same convergence rate. But the former is more rigorous in theory and needs to calculate only two types of eigen components while the latter needs to calculate four types.

Published in:

Journal of Systems Engineering and Electronics  (Volume:8 ,  Issue: 4 )