A rigorous cad of millimeter wave bandpass filter with all-metal insert in waveguide |
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| Authors: | Hongwei Liu |
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| Affiliation: | 1. Department of Microwave Engineering, University of Electronic Science and Technology of China, 610054, Chengdu, People's Republic of China
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| Abstract: | In this paper, a bandpass filter with all-metal insert, an inductive strip in the E-plane of a waveguide is analyzed by a prototype filter and the scattering matrix of the strip is calculated by electromagnetic fields theory theoretically. By means of matrix combining technique, the scattering matrix of a bandpass filter of this type is obtained. And a rigourous error function is used to optimize the CAD program by Powell's method and make the experimental results agree well with the theory design at V-band. |
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