Zobrazeno 1 - 10
of 332
pro vyhledávání: '"радиолокация"'
Autor:
Van Quan Nguyen
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 25, Iss 1, Pp 6-16 (2022)
Introduction. With the development of technology and science, passive radar systems operating on the basis of third-party transmitters of illumination signal sources are increasingly attracting research interest. The use of satellite systems as trans
Externí odkaz:
https://doaj.org/article/92e2d6d477cc4cb989ff26aa26fb13e5
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 24, Iss 5, Pp 50-65 (2021)
Introduction. Conical scanning is applied for optimizing hardware resources in new devices, as well as when upgrading existing systems. All this explains the relevance of studying this type of direction finding systems.Aim. To adjust and complement t
Externí odkaz:
https://doaj.org/article/d2f7ac5c57494a77ac8636bf9acb922a
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 23, Iss 6, Pp 43-58 (2020)
Introduction. The possibility of application of modified parametric methods of spatial signal processing in a sparse antenna array (SEAA) of the receiving position of transportable over-the-horizon decameter range radar (DRR) intended for all-weather
Externí odkaz:
https://doaj.org/article/0f6f13b2302b4df3acc5a45ff96957b0
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 23, Iss 2, Pp 46-54 (2020)
Introduction. Modern radar and communications systems contain phased array antennas. One of the synthesis problems of such systems is the formulation of requirements for components, modules and units which are comprised in it. To solve this problem,
Externí odkaz:
https://doaj.org/article/10f08226e91a4151bdeeb78e5969f4b4
Autor:
V. V. Bahchevnicov
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 22, Iss 6, Pp 25-36 (2020)
Introduction. Remote monitoring of layered underlying surfaces is an urgent task. To assess the performance of new algorithms for processing the radar signal reflected from the surfaces, full-scale tests are required. As their carrying out demands bi
Externí odkaz:
https://doaj.org/article/0cfbd53bd91142c1938d9faf6ecf04f3
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 22, Iss 4, Pp 53-65 (2019)
Introduction. It has been previously reported that small-scale irregularities (SSI) in the polar ionosphere are elongated along the magnetic field and anisotropic in its cross-field direction. At the same time, the largest of the SSI cross-field axes
Externí odkaz:
https://doaj.org/article/7f3d554fbd834534b9dfd14f3c3148b5
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 22, Iss 3, Pp 63-73 (2019)
Introduction. Doppler spectra of signals which are scattered from sea surface and received by radar is used in oceanology and ecological monitoring applications. Existing models of Doppler spectra have the limitation of application because they are b
Externí odkaz:
https://doaj.org/article/63e0bd3a56764b08b4926e712389721b
Autor:
R. G. Khekhnev
Publikováno v:
Doklady Belorusskogo gosudarstvennogo universiteta informatiki i radioèlektroniki, Vol 0, Iss 5, Pp 35-41 (2019)
This article deals with describing of the means of electrically charged aircraft detection while they are flying at low and extremely low altitudes (20-60 metres). The equation to count the range of detection that depends on parameters of static elec
Externí odkaz:
https://doaj.org/article/528a36506048459c993e936e89dbf36f
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 22, Iss 2, Pp 31-43 (2019)
Introduction. The modern approach for ensuring marine activities of necessary quality related to the assessment of current information on the state of the ocean environment in Russia is clearly insufficient. The development of operational methods and
Externí odkaz:
https://doaj.org/article/adf5d7028db940f2ad31c52a343d0b7c
SNOW THICKNESS ON AUSTRE GRØNFJORDBREEN, SVALBARD, FROM RADAR MEASUREMENTS AND STANDARD SNOW SURVEYS
Autor:
I. I. Lavrentiev, S. S. Kutuzov, A. F. Glazovsky, Yu. Ya. Macheret, N. I. Osokin, A. V. Sosnovsky, R. А. Chernov, G. A. Cherniakov
Publikováno v:
Лëд и снег, Vol 58, Iss 1, Pp 5-20 (2018)
Summary Comparison of two methods of measurements of snow cover thickness on the glacier Austre Grønfjordbreen, Svalbard was performed in the spring of 2014. These methods were the radar (500 MHz) observations and standard snow surveys. Measurements
Externí odkaz:
https://doaj.org/article/311db9b11c8c4453ab49458f32e5dc20