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A self-consistent code is introduced to develop a continuous frequency tunable gyro-BWO. A cavity is designed with TE8,5 mode for 400 GHz band second harmonic oscillation. The experimental verification has been carried out and 2 GHz tunability is observed with output powers of higher than 40 W.
The improvement of position estimation accuracy is a very important factor in various radar applications. This paper focuses on two-dimensional (2-D) location estimation in radar surveillance using leaky coaxial cables. A leaky coaxial cable is a kind of antenna and has recently attracted attention as a powerful tool for vehicle detection and as an intrusion detection sensor for perimeter security...
A compact GaAs pHEMT monolithic microwave integrated circuit balanced frequency doubler is presented. It is composed of a common-source/common-gate active balun, a balanced frequency doubler, and a band pass filter. Excellent miniaturization is achieved by using double-and triple-layer stacked inductors and a miniaturized stub as a band-pass filter with a thin-film microstrip line. The chip size is...
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