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Journal of Applied Sciences
  Year: 2005 | Volume: 5 | Issue: 3 | Page No.: 513-516
DOI: 10.3923/jas.2005.513.516
 
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An Educational Interface for Automatic Recognition of Analog Modulated Signals

Abdulkadir Sengur and Hanifi Guldemir

Abstract:
In this study, an interface for automatic classification of the analog modulated communication signal is introduced. An educational approach is adopted here to present an interface which can be used as a tool for education and demonstrative purposes. While emphasis has been placed on the designed interface, the certain type of the analog modulated communication signals can also be recognized and visualized for the teaching of analog modulation types. The designed Graphical User Interface (GUI) is written in Matlab and can recognize Amplitude Modulation (AM), Frequency Modulation (FM) and Continuous Wave (CW) signals. A number of key features are used for characterizing analog modulation types. A Fuzzy C-means classifier is embedded into the interface. B+K Precision Model 2040 universal signal generator is used for the experimental verification. Good performance has been obtained even at low signal-to-noise ratios.
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How to cite this article:

Abdulkadir Sengur and Hanifi Guldemir, 2005. An Educational Interface for Automatic Recognition of Analog Modulated Signals. Journal of Applied Sciences, 5: 513-516.

DOI: 10.3923/jas.2005.513.516

URL: https://scialert.net/abstract/?doi=jas.2005.513.516

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