Journal of Computer Sciences and Applications
ISSN (Print): 2328-7268 ISSN (Online): 2328-725X Website: Editor-in-chief: Minhua Ma, Patricia Goncalves
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Journal of Computer Sciences and Applications. 2015, 3(4), 100-104
DOI: 10.12691/jcsa-3-4-3
Open AccessArticle

New Technique to Determination of Electronic Circuits for Semiconductor Components by Recognizing Nyquist Curve

El Mahdi Barrah1, Rachid Ahdid1, Said Safi1 and Abdessamad Malaoui1,

1Interdisciplinary Laboratory of Research in Sciences and Technologies (LIRST), Sultan Moulay Slimane University, Béni Mellal, Morocco

Pub. Date: November 06, 2015

Cite this paper:
El Mahdi Barrah, Rachid Ahdid, Said Safi and Abdessamad Malaoui. New Technique to Determination of Electronic Circuits for Semiconductor Components by Recognizing Nyquist Curve. Journal of Computer Sciences and Applications. 2015; 3(4):100-104. doi: 10.12691/jcsa-3-4-3


In this paper, we present an automatic recognition system of electronic components. The recognition system is based on digital image of Nyquist curves drawn by transfer functions of their equivalent impedances. In the first step, we construct a database of Nyquist diagram of 17 known circuits. In the second step, we apply shape analysis algorithms of curves such as: Fourier Descriptors (FD), Freeman Coding (FC) and Hu Moments (HM). In classification part, we use the Neural Networks (NN). The simulation results demonstrates that the proposed method give a good results.

Nyquist diagram Electronic Components Recognition Transfer of functions Fourier Descriptors Freeman Coding Hu Moments Neural Networks

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