Heinrich Foltz

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It is known that in a broadband antenna with ideal circular polarization, the antenna impulse responses of the linear components taken individually are related by a Hilbert transform. When considering port-to-port transmission s<inf>21</inf>(&#x03C9;) between two such antennas in free space, it can be easily shown that rotating either antenna about the(More)
A key to advancing the understanding of obsessive-compulsive disorder (OCD)-like symptoms is the development of spontaneous animal models. Over 55 generations of bidirectional selection for nest-building behavior in house mice, Mus musculus, resulted in a 40-fold difference in the amount of cotton used for a nest in high (BIG) and low (SMALL) selected(More)
The extra element theorem is applied to the optimal design of impedance loaded electrically-small antennas. The applicability of the extra element theorem includes active and non-Foster loading. A key component of the framework of the extra element theorem termed null-double injection is shown to provide a direct and quantitative determination of the(More)
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