资料介绍
70539_14O
ORTHOMODE TRANSDUCERS
G. G. GENTILI
Milan Polytechnic Milan, Italy
R. NESTI
National Institute for Astrophysics Florence, Italy
numerical techniques to perform analysis and design. For this reason, numerical techniques are of primary importance, and an in-depth knowledge of these methods is fundamental for modern microwave engineers. Here there is space to give the reader only a brief insight into these techniques, but Itoh treats this argument in greater depth [3]. Finally, advanced OMT and polarizer design examples are presented to better illustrate the state of art of these devices. 2. ORTHOMODE TRANSDUCER FUNDAMENTALS Because OMT operation is based on wave propagation in structures whose dimensions are of the order of the wavelength, OMT theory is based on the transmissionline appr
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