Abstract
Biomimetic antenna arrays (BMAAs) are antenna systems enabling an improved angle estimation for small apertures by mimicking the hearing system of the fly Ormia ochracea . This is achieved by a special kind of coupling applied to the antenna elements inspired by the insect. However, recent designs of BMAAs rely on a strong mutual coupling between the antenna elements. In this paper, it will be shown that the strong mutual coupling is not needed for a BMAA at the antenna side, and a generalized model of the biomimetic antenna system is theoretically derived, evaluated, and verified by measurements. This new model also gives an intuitive insight into the working principle of the biomimetic antenna system.
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