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Reflection measurement of waveguide-injected high-power microwave antennas
Chengwei Yuan1, Shengren Peng1, Ting Shu1
1College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha 410073, People's Republic of China.
Abstract:
A method for reflection measurements of High-power Microwave (HPM) antennas excited with overmoded waveguides is proposed and studied systemically. In theory, principle of the method is proposed and the data processing formulas are developed. In simulations, a horn antenna excited by a TE11 mode exciter is examined and its reflection is calculated by CST Microwave Studio and by the method proposed in this article, respectively. In experiments, reflection measurements of two HPM antennas are conducted, and the measured results are well consistent with the theoretical expectations.

