China's Nuclear Restraint Rhetoric Belied By Rapidfire Buildup. China's new arms-control white paper offers a revealing snapshot of how Beijing pairs declaratory restraint with a rapidly expanding ...
Abstract: In this study, optimization methods for the design of the compact and broadband adiabatic couplers are presented. Two definitions of an uncoupled waveguide system are introduced: the first ...
Abstract: A wideband 3-dB coupler using substrate integrated gap waveguide (SIGW) is proposed based on the principle of the branch-line coupler structure. The SIGW coupler design is comprehensively ...
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