High Impedance Surfaces (HIS) are one of the breakthroughs that emerged in the modern antenna design area in 1999. HISs are ideal candidates as antenna ground planes because of their near perfect magnetic ground conductor (PMC) behavior at particular ranges. However, current rectangular designs have.....
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Dr. Bahl from the University of IL has discovered a new method to create non-reciprocal property without using external magnetic field.
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