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Conference Paper
Coupling Matrix Synthesis by Solving Nonlinear Equations using Newton's Method
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- Authors
- Changsoo Kwak, Manseok Uhm, Inbok Yom
- Issue Date
- 2014-10
- Citation
- European Microwave Conference (EuMC) 2014, pp.568-571
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- This paper presents a new coupling matrix synthesis method. The method synthesizes a coupling matrix by moving poles and zeros to their own target positions in the complex plane. Mathematically speaking, the procedure is to solve a system of nonlinear equations using Newton's method. In addition, a new algorithm for generating the initial values is devised. The method exhibits a lower possibility of falling into local minima and faster convergence than the existing optimization methods. The method verifies its performance by synthesizing high-order asymmetric filters repeatedly in a very short time period without failure.