000139260 001__ 139260
000139260 005__ 20190316234601.0
000139260 0247_ $$2doi$$a10.1117/12.824713
000139260 037__ $$aCONF
000139260 245__ $$aCompressed sensing for radio interferometry: spread spectrum imaging techniques
000139260 260__ $$c2009
000139260 269__ $$a2009
000139260 336__ $$aConference Papers
000139260 520__ $$aWe consider the problem of reconstruction of astrophysical signals probed by radio interferometers with baselines bearing a non-negligible component in the pointing direction. The visibilities measured essentially identify with a noisy and incomplete Fourier coverage of the product of the planar signals with a linear chirp modulation. We analyze the related spread spectrum phenomenon and suggest its universality relative to the sparsity dictionary, in terms of the achievable quality of reconstruction through the Basis Pursuit problem. The present manuscript represents a summary of recent work by the authors.
000139260 6531_ $$aCompressed sensing
000139260 6531_ $$aspread spectrum
000139260 6531_ $$aradio interferometry
000139260 6531_ $$aLTS2
000139260 6531_ $$aLTS4
000139260 700__ $$0240427$$g163268$$aWiaux, Yves
000139260 700__ $$0242927$$g179918$$aPuy, Gilles
000139260 700__ $$0(EPFLAUTH)187696$$g187696$$aBoursier, Yannick
000139260 700__ $$0240428$$g120906$$aVandergheynst, Pierre
000139260 7112_ $$dAugust 02-06, 2009$$cSan Diego$$aWAVELET XIII, SPIE09
000139260 720_1 $$aVan de Ville, D.$$eed.
000139260 720_1 $$aPapadakis, M.$$eed.
000139260 720_1 $$aGoyal, V. K.$$eed.
000139260 773__ $$j7446$$tProceedings of SPIE
000139260 8564_ $$uhttp://spie.org//app/program/index.cfm?fuseaction=conferencedetail&export_id=x13102&ID=x12769&redir=x12769.xml&conference_id=883759&event_id=883681&programtrack_id=883733&jsenabled=1$$zURL
000139260 8564_ $$uhttps://infoscience.epfl.ch/record/139260/files/SPIE09-wiauxetal-spreadspectruminterf-07-09.pdf$$zn/a$$s131203$$yn/a
000139260 909C0 $$xU10380$$0252392$$pLTS2
000139260 909C0 $$pLTS4$$xU10851$$0252393
000139260 909CO $$qGLOBAL_SET$$pconf$$pSTI$$ooai:infoscience.tind.io:139260
000139260 917Z8 $$x179918
000139260 917Z8 $$x179918
000139260 937__ $$aEPFL-CONF-139260
000139260 973__ $$rREVIEWED$$sPUBLISHED$$aEPFL
000139260 980__ $$aCONF