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On the location and number of expansion centers for the generalized multipole technique

✍ Scribed by Beshir, K.I.; Richie, J.E.

Book ID
114533929
Publisher
IEEE
Year
1996
Tongue
English
Weight
433 KB
Volume
38
Category
Article
ISSN
0018-9375

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In recent years, the generalized multipole technique GMT and other fictitious source methods ha¨e been widely used to sol¨e electromagnetic scattering problems. Ne¨ertheless, these methods ha¨e been shown to be ¨ery sensiti¨e to the source locations, and often produce ill-conditioned matrix systems.

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In this letter, a new method for reconstructing the bound of impenetrable two-dimensional objects is presented. From a set of measurements in the near-or far-field region, we calculate the coefficients of multipolar equi¨alent sources located inside the unknown object. Thus, the shape of the object