An interactive computer application visualizing the basic phenomena in RF and microwave devices is presented. Such kind of educational package can be a very helpful tool for the students as well as for the teachers (of electronics and related ﬁelds). This paper is focused on three exemplary problems only and involves: movement of electric charge, ﬁltering of electromagnetic waves and interference phenomena in antenna arrays. The...
An Analysis of Cylindrical Posts of Arbitrary Convex Cross Sections Located in Waveguide Junctions with the Use of Field Matching MethodA problem of electromagnetic wave scattering from cylindrical posts of arbitrary cross section located in waveguide junction is presented. The method of analysis is based on the direct ﬁeld matching technique. Multimode scattering matrices of every section of waveguide junction are calculated and cascading procedure is utilized to investigate the whole structure. The results are veriﬁed by comparing them with those obtained from...
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