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Singular integral equation analysis of flange-mounted rectangular waveguide radiators

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2 Author(s)
M. Mongiardo ; Istituto di Elettronica, Perugia Univ., Italy ; T. Rozzi

The authors analyze rigorously single and twin radiating waveguides by means of a singular integral equation approach which includes the edge condition on the apertures from the start. The above inclusion has an important bearing on convergence and matrix size, enabling highly accurate solutions to be obtained with few test functions, typically two to four. This becomes particularly important in the case of multiple coupled radiators, where matrix sizes increase as the product of the number of radiators times the number of test functions. Theoretical and experimental results are compared for the two important cases of two radiators with parallel narrow walls and with parallel broad walls and are found to be in very good agreement

Published in:

IEEE Transactions on Antennas and Propagation  (Volume:41 ,  Issue: 5 )