Zobrazeno 1 - 7
of 7
pro vyhledávání: '"D. A. Karashtin"'
Autor:
N. K. Skalyga, D. A. Karashtin, L. I. Fedoseev, O. S. Bol’shakov, A. A. Shvetsov, A. M. Feygin, Dmitry Mukhin
Publikováno v:
Radiophysics and Quantum Electronics. 54:569-576
Using a spectroradiometric complex, we measure the atmospheric own radiation spectra in the frequency range 52.4–53.2 GHz. The obtained data is used to retrieve the temperature profiles in the altitude interval 10–55 km. The retrieved temperature
Autor:
Alexander Feigin, O. S. Bol’shakov, Dmitry Mukhin, A. A. Shvetsov, L. I. Fedoseev, N. K. Skalyga, D. A. Karashtin
Publikováno v:
Radiophysics and Quantum Electronics. 53:321-325
The spectroradiometer facility for ground-based thermal sensing of the middle atmosphere is developed and manufactured. Observation of the atmospheric self-radiation in the range including two lines (27_ and 29_) of spin-rotational transitions of mol
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 73:1642-1647
The retrieval technique of the vertical stratosphere temperature profile from ground-based measurements of the atmospheric self-radiation spectrum in a millimeter-wave range is proposed. This technique is based on the Bayesian approach to solving an
Publikováno v:
Radiophysics and Quantum Electronics. 52:705-713
We propose a method for recovery of the altitude profile of the stratosphere temperature using ground-based radiometric measurements. The method is based on the Bayesian approach to solving inverse problems and involves determining the probability di
Publikováno v:
Radiophysics and Quantum Electronics. 52:603-608
We describe a microwave spectroradiometer for thermal sensing of the stratosphere in the molecular oxygen lines located on the slope of a 5-mm band. An uncooled low-noise high-frequency amplifier ensures the device noise temperature 1400 K. The frequ
Autor:
V. A. Genneberg, A. A. Shvetsov, A.P. Shkaev, L. I. Fedoseev, A.M. Schitov, D. A. Karashtin, V. M. Demkin, V. G. Bozhkov, L. M. Kukin, I. V. Petrov
Publikováno v:
2008 18th International Crimean Conference - Microwave & Telecommunication Technology.
Features of the functional scheme and design of millimeter wave radiometers with a new device - a solid state modulator-calibrator using planar Schottky barrier diode microcircuit - are presented.
Publikováno v:
Instruments and Experimental Techniques. 54:124-125
A laboratory model of the spectroradiometer for the complex for thermal sounding of middle atmosphere has been designed. Based on the self-radiation spectra of the atmosphere measured by this instrument in the frequency range of 52.45–53.20 GHz, it