Refinements to the Design of Traveling-Wave Waveguide Slot Arrays
Jacob C. Coetzee
Abstract:A traveling-wave array of longitudinal slots in the broad wall of a waveguide offers greater impedance bandwidth compared to standing-wave slot arrays. Narrow-beam applications typically require a main beam at a chosen off-broadside direction and low sidelobes in other directions. Since a portion of the input power is dissipated in a load, wideband performance is achieved at the expense of reduced radiation efficiency. Without compensation for the effects of the array element radiation pattern, conventional ar… Show more
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