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140
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ICASSP
2011
IEEE
14 years 11 months ago
2011
IEEE
Focusing bistatic SAR data in frequency domain requires the two dimensional (2D) point target reference spectrum (PTRS). In this paper, a 2D PTRS is derived based on Loffeld’s b...
211
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ICASSP
2011
IEEE
14 years 11 months ago
2011
IEEE
Word discovery is the task of discovering and collecting occurrences of repeating words in the absence of prior acoustic and linguistic knowledge, or training material. The capabi...
197
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ICASSP
2011
IEEE
14 years 11 months ago
2011
IEEE
Received signal strength (RSS) based source localization papers often ignore the practical effects of range limits in the measurements. In many devices, this results in some senso...
230
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ICASSP
2011
IEEE
14 years 11 months ago
2011
IEEE
We propose an unsupervised inference procedure for audio source separation. Components in nonnegative matrix factorization (NMF) are grouped automatically in audio sources via a p...
153
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ICASSP
2011
IEEE
14 years 11 months ago
2011
IEEE
In this paper we consider the problem of detecting multiple point-like targets in the presence of steering vector mismatches and Gaussian disturbance with unknown covariance matri...