Beyond Nyquist: Efficient Sampling of Sparse Bandlimited Signals

Wideband analog signals push contemporary analog-to-digital conversion (ADC) systems to their performance limits. In many applications, however, sampling at the Nyquist rate is inefficient because the signals of interest contain only a small number of significant frequencies relative to the band lim...

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Veröffentlicht in:	IEEE transactions on information theory Jg. 56; H. 1; S. 520 - 544
Hauptverfasser:	Tropp, J.A., Laska, J.N., Duarte, M.F., Romberg, J.K., Baraniuk, R.G.
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	New York, NY IEEE 01.01.2010 Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:	Analog Analog-digital conversion, digital-analog conversion, pcm coding Analog-to-digital conversion Applied sciences compressive sampling Conversion Data acquisition Demodulation Demodulators Detection, estimation, filtering, equalization, prediction Exact sciences and technology Frequencies Frequency Hardware Information processing Information theory Information, signal and communications theory Mathematical programming Nonlinearity Performance analysis Programming Robustness Sampling Sampling methods Sampling techniques sampling theory Sampling, quantization Signal and communications theory Signal processing signal recovery Signal sampling Signal, noise Simulation sparse approximation Strategy Telecommunications and information theory Wideband Performance evaluation sampling theory Signal sampling compressive sampling AD conversion Analog signal signal recovery Band limited signal Convex programming Data acquisition system AD converter Signal restoration Analog-to-digital conversion Wide band Simulation Sampling rate Signal processing W band A priori estimation sparse approximation Sparse representation Demodulator Signal reconstruction Localization
ISSN:	0018-9448, 1557-9654
Online-Zugang:	Volltext
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