具体论述了微波辐射计在外部畸变条件下的工作

Q4 Materials Science

Radioelektronika, Nanosistemy, Informacionnye Tehnologii Pub Date : 2023-09-28 DOI:10.17725/rensit.2023.15.223

Igor A. Sidorov, Alexander G. Gudkov, Sergey V. Chizhikov, Vitaly Yu. Leushin

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引用次数: 0

摘要

考虑了外界干扰对微波热像仪灵敏度和动态范围的影响。给出了在3ghz范围内干扰情况的实验研究结果。分析了射电天文窗口附近干扰的谱密度图。研究了实际观测到的扰动的特征。根据扰动的特征对可能的扰动进行了分类。考虑了各种类型干扰的判别算法。利用脉冲噪声抑制算法对微波辐射计的灵敏度和动态范围进行了评价。

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Specific of microwave radiometers operation on the external distortions conditions

The influence of external disturbances on the sensitivity and dynamic range of the microwave radiothermograph is considered. The results of an experimental study of the interference situation in the range up to 3 GHz are presented. The diagram of the spectral density of interference adjacent to radio astronomy windows is analyzed. The features of real observed disturbances are investigated. The classification of possible disturbances according to their characteristics is given. Algorithms for discrimination of various types of interference are considered. The sensitivity and dynamic range of the microwave radiometer are evaluated using the pulse noise suppression algorithm.

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来源期刊

Radioelektronika, Nanosistemy, Informacionnye Tehnologii Materials Science-Materials Science (miscellaneous)

CiteScore

0.60

自引率

0.00%

发文量

期刊介绍： Journal “Radioelectronics. Nanosystems. Information Technologies” (abbr RENSIT) publishes original articles, reviews and brief reports, not previously published, on topical problems in radioelectronics (including biomedical) and fundamentals of information, nano- and biotechnologies and adjacent areas of physics and mathematics. The authors of the journal are academicians, corresponding members and foreign members of the Russian Academy of Natural Sciences (RANS) and their colleagues, as well as other russian and foreign authors on the proposal of the members of RANS, which can be obtained by the author before sending articles to the editor or after its arrival on the recommendation of a member of the editorial board or another member of the RANS, who gave the opinion on the article at the request of the editior. The editors will accept articles in both Russian and English languages. Articles are internally peer reviewed (double-blind peer review) by members of the Editorial Board. Some articles undergo external review, if necessary. Designed for researchers, graduate students, physics students of senior courses and teachers. It turns out 2 times a year (that includes 2 rooms)