13651 search results - page 90 / 2731 » Spectral analysis of data |
IGARSS
2009
13 years 5 months ago
2009
Finding an accurate sparse approximation of a spectral vector described by a linear model, when there is available a library of possible constituent signals (called endmembers or ...
QEST
2006
IEEE
14 years 1 months ago
2006
IEEE
Spectral expansion and matrix analytic methods are important solution mechanisms for matrix polynomial equations. These equations are encountered in the steady-state analysis of M...
DATE
2005
IEEE
14 years 1 months ago
2005
IEEE
Ultra-wideband (UWB) communication is an emerging wireless technology that promises high data rates over short distances and precise locationing. The large available bandwidth and...
CIS
2008
Springer
13 years 10 months ago
2008
Springer
In this paper, a method is introduced how to process the Discrete Fourier Transform (DFT) by a singlelayer neural network with a linear transfer function. By implementing the sugg...
ICASSP
2010
IEEE
13 years 8 months ago
2010
IEEE
Real world sounds often exhibit non-stationary spectral characteristics such as those produced by a harpsichord or a guitar. The classical Non-negative Matrix Factorization (NMF) ...