Number of infinitesimal dipoles in genetic algorithms for near field-far field conversion

To predict far field radiation based on near field data using genetic algorithms, characteristics of far field patterns are investigated. For an electrically long dipole, far field pattern factor and sample spacing are discussed at different frequencies. Correlation between number of dipoles in genetic algorithms and the ratio of printed circuit board size over wavelength is investigated, and thus the number of infinitesimal electric dipoles for near field-far field conversion is raised.