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Title of Journal: Exp Astron

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Abbravation: Experimental Astronomy

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Springer Netherlands

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DOI

10.1016/0013-4686(94)80047-2

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1572-9508

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Compression of intensity interferometry signals

Authors: Erez N Ribak Yaron Shulamy
Publish Date: 2015/09/29
Volume: 41, Issue: 1-2, Pages: 145-157
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Abstract

Correlations between photon currents from separate lightcollectors provide information on the shape of the source When the lightcollectors are well separated for example in space transmission of these currents to a central correlator is limited by bandwidth We study the possibility of compression of the photon fluxes and find that traditional compression methods have a similar chance of achieving this goal compared to compressed sensingHere z n is a random gaussian vector with zero mean and variance of 1 the result of averaging N ≫ 1 random processes We have two degrees of freedom the delay n 0 and the correlation signal α Experimentally we try to overcome the noise by increasing the signal x and the number of measurements N

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