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Multiple scattering of EM waves by spheres part II--Numerical and experimental results

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2 Author(s)
Bruning, J.H. ; Bell Telephone Laboratories, Murray Hill, NJ, USA ; Yuen Lo

In [8], both low- and high-frequency solutions to the two-sphere problem were presented in a form suitable for efficient computer solution, Here, numerical results are presented using a method which has enabled the first appearance of reliable results for the scattered field from two spheres of radii larger than one wavelength and as large as ten or more. Radar cross sections (RCS) are computed for numerous configurations of two spheres of various materials. Results for scattering by three collinear spheres are also given. An experimental program was undertaken and is briefly described. Whenever possible, these results are compared with the theory. In all cases the agreement is excellent. Depolarization due to multiple scattering is also investigated, revealing some interesting effects and practical applications to scattering range calibration.

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Antennas and Propagation, IEEE Transactions on  (Volume:19 ,  Issue: 3 )