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We have employed a 3D finite element code HFSS to calculate the output properties of a horn antenna operated at 6 GHz. Three models with different symmetric boundary conditions have been built in the HFSS simulations and the calculation results have been compared with those from analytical calculations. By using the symmetric boundary conditions, we can analyze higher order modes and calculate the...
An antenna is usually designed to produce a desired radiation far-field pattern in various directions. Horn antennas are widely used in the outputs of high power microwave tubes. We have created a 3-D circular horn antenna model by HFSS and calculated the output properties for the four important modes TE11, TM01, TM02 , and TM03. We can use the HFSS code to find out some important parameters for the...
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