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电信和无线电工程

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ISSN 打印: 0040-2508

ISSN 在线: 1943-6009

SJR: 0.185 SNIP: 0.268 CiteScore™:: 1.5 H-Index: 22

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ON THE POSSIBILITY OF THE ATMOSPHERE CONDITION DIAGNOSTICS WITH THE MULTIBEAM INTERFEROMETER

卷 73, 册 19, 2014, pp. 1771-1779
DOI: 10.1615/TelecomRadEng.v73.i19.60
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摘要

The influence of the atmosphere on the results of astronomic observations from the Earth surface dramatically decreases the resolution of obtained images. Many methods of fight against it require the information on atmospheric distortions. Obtaining of such information in practical case is usually carried out by using special wavefront sensors that operate on the basis of the natural or laser reference star. But there is the method that allows obtaining information on phase distortions in the atmosphere directly during the process of the observation of any object with the multibeam interferometer. Averaged over subapertures phases are the side result of image forming with such instrument. By their interpolation the phase distortions distribution over the aperture may be recovered. It was shown that the reconstruction accuracy is acceptable while atmospheric inhomogeneities exceed the distance between subapertures. The dependences of reconstruction accuracy on peculiar inhomogeneities size and mean square deviation of phase distortions are presented. The research results may be useful for atmospheric researches, as well as for fight against its influence, for example, first order adaptive correction.

对本文的引用
  1. Kornienko Yu., Skuratovskiy S., Ways of maximal extraction of the information from observations of the astronomical object, RADIOFIZIKA I ELEKTRONIKA, 23, 4, 2018. Crossref

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