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Multi-mode cavity for waveguide filters, including an elliptical waveguide segment
Multi-mode cavity for waveguide filters, including an elliptical waveguide segment
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机译:用于波导滤波器的多模腔,包括椭圆形波导段
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摘要
The cavity (1) comprises at least one waveguide segment with elliptical cross section whose axes are arranged at a given inclination angle ( alpha ) with respect to the polarisation of the incident TE field. Thus a dual-mode cavity is realised, with the ability to let resonate two transverse fields (TE) with polarisation planes orthogonal to each other. By adding a waveguide element (CR2, CR3) able to introduce a non-axial discontinuity, a triple-mode cavity is obtained, allowing for an additional longitudinal mode to resonate as well. IMAGE
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