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Frequency space-mapped neuromodeling technique exploiting S-B AFS for the design of microwave circuits

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3 Author(s)
Zhang Xiangjun ; Microwave & Millimeter Wave Lab., Nanjing Univ. of Sci. & Technol., China ; Fang Dagang ; Ding Yan

In this paper, we present a method of microwave circuits design combining frequency space-mapped neuromodeling (FSMN) approach with S-B adaptive frequency sampling technique. In neuromodeling, frequency space-mapping technique decreases the cost of training, improve generalization and reduce the complexity of NN topology. A Stoer-Bulirsch adaptive frequency sampling (S-B AFS) technique is used to decrease the cost for frequency sweeps in sampling. We use S-B AFS technique for FSMN implementation. The example of designing a microstrip parallel-coupled bandpass filter by means of electromagnetic bandgap (EBG) structure confirms the validity of this approach in both reducing the sampling time and increasing the accuracy of the neuromodeling.

Published in:

Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings  (Volume:5 )

Date of Conference:

4-7 Dec. 2005