Abstract
A method is presented for solving the spherical wave expansion (SWE) from far-field amplitude-only data. The idea is to minimize the least-squares difference between the amplitude of the measured field and that of a calculated SWE using a combination of a genetic algorithm (GA) and Newton's method. The uniqueness aspects of the problem are addressed. A measured antenna radiation pattern is analyzed with and without phase data and the results are compared. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 46: 402–406, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21000
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