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Classification system for digital signal types using neuro fuzzy system and PSO

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2 Author(s)
Khurshid, A.A. ; Priyadarshini Coll. of Eng., Nagpur, India ; Gokhale, A.P.

Automatic identification of digital signal types is of interest for both civil and military applications. This paper presents an efficient signal type identifier that includes a variety of digital signals. In this method, a combination of spectral and statistical features are used as an input to the classifier. Also the features are weighted based on the degree of dispersion to increase the effect of features. A fuzzy neural network with swarm intelligence (SI) for adjustment of the parameters of the network is used as a classifier. Simulations results show that the proposed method has high performance for identification of different kinds of digital signal even at very low SNRs. This high efficiency is achieved with features, which have been selected using principal component analysis and network parameters using swarm optimizer.

Published in:

Nature & Biologically Inspired Computing, 2009. NaBIC 2009. World Congress on

Date of Conference:

9-11 Dec. 2009