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Past research has shown that application of mathematical and geometrical concepts such as fractals, aperiodic tilings, and special polynomials can provide elegant solutions to difficult antenna array design problems. For example, design issues such as beam shaping and control, sidelobe levels, bandwidth and many others have been addressed with such concepts. In this paper, mathematical constructs...
Recently, there have arisen several new methods of aperiodic antenna array design that are capable of very low sidelobe level performance over ultra-wide bandwidths. The linear polyfractal arrays yielding acceptable performance over many octaves of bandwidth. Similarly, wideband planar arrays are created and optimized based on aperiodic tilings. In this paper, the raised-power-series (RPS) method...
Presented here is a design for an all-metal ultra-wideband antenna element that can achieve bandwidth of 12:1. While the design itself is worth reporting in its own right, this array element was designed as part of a study on low-cost ultra- wide bandwidth arrays reported here. For more robust design validations, finite array simulations will also be performed to mimic the set of S-parameters collected...
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