A General Waveguide Circuit Theory (Classic Reprint)

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Excerpt from A General Waveguide Circuit TheoryIn the absence of a general theory, the most pop ular treatment of arbitrary waveguides is based on an engineering approach (for example, Ref. The procedure makes use of the fact that, in te, tm, and tem modes, the conventional waveguide voltage and current obey the same telegrapher's equations which govern propagation in a low frequency transmission line. The characteristic impedance, which enters the telegrapher's equa tions, can be written in terms of equivalent circuit parameters C, G, L, and R Engineers assume that waveguide voltages and currents satisfying the telegrapher's equations continue to exist for hybrid and lossy modes. Heuristic arguments, based on low-frequency circuit theory, are used to compute the equivalent circuit parameters, and those parameter estimates are used to determine the characteristic impedance from the conventional expression.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.