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A New Approach for Estimating the Number of Wideband Sources

Publish Year: 1395
Type: Conference paper
Language: English
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IRCEM01_134

Index date: 15 December 2016

A New Approach for Estimating the Number of Wideband Sources abstract

Since the methods of detecting the number of narrowband signals cannot determine the number of wideband sources, a new approach that combines one of the RSS or ISM algorithms with one of the MDL, AIC, EGM and EIT criteria is presented. In this paper, two new methods for estimating the number of wideband sources are proposed. Numerical results show that RSS-based algorithm offers higher detection probability for wideband sources with respect to ISM-based one. In both algorithms, for small differences between the incident angles of sources, MDL and EIT have a much better detection performance than EGM. Also, by extracting the number of multiplications, divisions, additions and subtractions, it can be seen that, RSS has a heavy computational complexity than ISM. In addition, the effect of bandwidth on the preformance of RSS-EIT and ISM-EIT algorithms is studied and computer simulation results show that proposed algorithms offer much better performance when bandwidth reducess from 40 Hz to 1HZ.

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A New Approach for Estimating the Number of Wideband Sources authors

Somaye Jalaei

Ph.D Research Scholar, Faculty of Electrical and Computer Engineering, Islamic Azad University south Tehran Branch, Tehran, Iran

Atro Tootoonchi

Ph.D Research Scholar, Faculty of Electrical and Computer Engineering, Islamic Azad University south Tehran Branch, Tehran, Iran

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