TitleFeatures of scanning the atmosphere and building radar stations of vertical sounding with a low-element antenna array
Authors1V.M. Vladimirov, 2V.N. Ratushnyak, 2V.A. Vyakhirev, 2I.V. Tyapkin
Organizations1LLC NPF Electron
Krasnoyarsk, Russian Federation
2Siberian Federal University
Krasnoyarsk, Russian Federation
AbstractThe mobility and variability of the atmosphere and near-Earth space make it extremely important to obtain experimental information about its dynamic characteristics – speed, wind direction and degree of turbulence. One of the promising methods for obtaining these data is vertical radar sounding of the atmosphere. Vertical sounding radars or wind profilometers are a relatively new type of equipment for studying the atmosphere and thermosphere. Vertical sounding radars are designed for remote non-contact determination of wind speed parameters above the sounding point in the troposphere and the lower part of the thermosphere. To obtain information on the dynamics of atmospheric movements the phenomenon of reflection of electromagnetic waves from turbulent formations and formations of a different nature is used. The temporal position of the reflected signal and the frequency shift due to the Doppler effect give accurate information about the height and speed of movement of atmospheric inhomogeneities. An analysis of the parameters of the reflected signals makes it possible to obtain in real time the altitude-time field of the wind speed and turbulence intensity. The physical principles underlying the operation of these stations allow continuous measurements, regardless of weather conditions. The article discusses the main methods for measuring the vertical profile of the atmosphere and the lower part of the thermosphere, scanning methods and classification of sounding means for the vertical profile of the atmosphere, as well as the features of the functioning and construction of vertical sounding radars with a low-element array.
Keywordsvertical sensing radar, MST radar, wind profilometer, small antenna array, atmospheric inhomogeneities
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For citing this articleVladimirov V.M., Ratushnyak V.N., Vyakhirev V.A., Tyapkin I.V. Features of scanning the atmosphere and building radar stations of vertical sounding with a low-element antenna array // Spacecrafts & Technologies, 2019, vol. 3, no. 4, pp. 237-242. doi: 10.26732/2618-7957-2019-4-237-242
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