An original approach to mode converter optimum design

An original method of shape optimization has been developed to improve high-power high-frequency transmission lines' performances. This method is based on the coupling coefficients equations, for which general expressions are given. It makes use of numerical methods such as steepest descent ass...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1998-01, Vol.46 (1), p.1-9
Main Authors: Luneville, E., Krieg, J.-M., Giguet, E.
Format: Article
Language:English
Subjects:
Couplings
Design optimization
Differential equations
Electron tubes
Genetic expression
Gyrotrons
Optimization methods
Power transmission lines
Propagation losses
Shape
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Summary:An original method of shape optimization has been developed to improve high-power high-frequency transmission lines' performances. This method is based on the coupling coefficients equations, for which general expressions are given. It makes use of numerical methods such as steepest descent associated to adjoint state technique. The results obtained on several types of components demonstrate the pertinence of this method.
ISSN:0018-9480
1557-9670
DOI:10.1109/22.654916