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Title: Sensitivity analysis of iterative adjoint technique for microstrip circuits optimization
Authors: Yuan, T.
Qiu, C.-W. 
Li, L.-W. 
Zouhdi, S.
Leong, M.-S. 
Keywords: Adjoint techniques
Iterative scheme
Method of moments
Microstrip circuits
Issue Date: Mar-2007
Citation: Yuan, T., Qiu, C.-W., Li, L.-W., Zouhdi, S., Leong, M.-S. (2007-03). Sensitivity analysis of iterative adjoint technique for microstrip circuits optimization. Microwave and Optical Technology Letters 49 (3) : 607-609. ScholarBank@NUS Repository.
Abstract: This paper presents an accurate and efficient full-wave method, combined with iterative adjoint technique, for analyzing sensitivities of planar microwave circuits with respect to design parameters. Method of moments (MoM) in spatial domain is utilized, and generalized conjugate residual iterative scheme is applied to solve the linear matrix equations with fast convergence. Green's functions for multilayer planar structures in DCIM form are employed to simplify the spatial domain manipulation. In the present method, a conventional integration model and the corresponding adjoint model are solved by MoM respectively. The adjoint technique, with the aid of iterative schemes, could significantly reduce the computational requirements, especially for the large electrical size device with many perturbing design parameters. Numerical results of S-parameter sensitivities of a low-pass microstrip filter by the present method are presented. Accuracy and efficiency are validated. © 2007 Wiley Periodicals, Inc.
Source Title: Microwave and Optical Technology Letters
ISSN: 08952477
DOI: 10.1002/mop.22204
Appears in Collections:Staff Publications

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