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Gradient-based optimization of filters using FDTD software

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2 Author(s)
Kozakowski, P. ; Dept. of Electron. Informatics & Telecommun., Tech. Univ. Gdansk, Poland ; Mrozowski, M.

This letter discusses gradient optimization of band-pass filters using electromagnetic simulation software based on the finite difference-time domain algorithm. It is shown that even high-Q-factor circuits can be optimized in acceptable time if robust digital signal processing techniques that take into account signal dynamics are used to predict the frequency behavior of a structure from relatively short sample sequences.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:12 ,  Issue: 10 )