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ESTIMATION OF THE NUMBER OF SOURCES BY APPLYING MDL TO THE OUTPUT OF QUADRATURE MIRROR FILTER BANK | ||
| IRAQI JOURNAL OF COMPUTERS, COMMUNICATIONS, CONTROL AND SYSTEMS ENGINEERING | ||
| Article 1, Volume 8, Issue 1, 2008, Pages 127-134 | ||
| Authors | ||
| M. H. Miry; A. H. Miry | ||
| Abstract | ||
| Abstract: Estimating the number of sources impinging on an array of sensors is a well known and well investigated problem .A common approach for solving this problem is to use an information theoretic criterion, such as Minimum Description Length (MDL) . MDL technique is very important in many application , but its response degrades under low signal-to-noise ratio (SNR) conditions. This paper proposes a new system to estimate the number of sources by applying MDL to the output of the filter bank consisting quadrature mirror filters (QMF) . Some numerical experiments show that the proposed method can estimate the number of sources under low signal-to-noise ratio(SNR). | ||
| Keywords | ||
| MDL; QMF; Wavelet Transform | ||
| Full Text | ||
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