Auto Search Algorithm for Antenna Structure by Gradient Method Combined with Method of Moment

Konferenz: INICA 2007 - International ITG-Conference on Antennas
28.03.2007 - 30.03.2007 in Munich, Germany

Tagungsband: INICA 2007

Seiten: 4Sprache: EnglischTyp: PDF

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Takei, Ken; Ikegaya, Morihiko (Cross Technology Development Center, Hitachi Cable Ltd., Takasago Works, 880 Isagozawa-cho, Hitachi-shi, Ibaraki-ken, 319-1418 Japan)

We propose a novel antenna design method consisting of the gradient method and method of moment is proposed. An antenna structure is represented by the combination of small segments. By regarding the 0/1 state segment variable as a real parameter, a matrix equation for the gradient method is derived. Fast computation causing of automatic decisions of simultaneous changing segments achieves practical design for various antennas, including large-scale antennas.