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Limits to the information gain from lidar measurements

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10.1364/OL.40.001869
 
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Belmonte Molina, AnicetoMés informacióMés informacióMés informació
Document typeArticle
Defense date2015-04-15
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
Measurements over the return signal are an integral part of lidar remote sensing by which we gather information about the characteristics of specific targets. But how much information is gained by performing a given lidar measurement? By defining Shannon's mutual information of a lidar observation, here we consider the bits of information content on the measurement and describe mathematically the capacity of lidar estimates to represent a corresponding property in the target. For heterodyne Doppler lidars in particular, we have found simple analytical formulas that consider the information gain in mean-frequency estimates.
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© [2015 Optical Society of America.]. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.
CitationBelmonte, A. Limits to the information gain from lidar measurements. "Optics letters", 15 Abril 2015, vol. 40, núm. 8, p. 1869-1872. 
URIhttp://hdl.handle.net/2117/81058
DOI10.1364/OL.40.001869
ISSN0146-9592
Publisher versionhttps://www.osapublishing.org/ol/fulltext.cfm?uri=ol-40-8-1869&id=315253
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