Zobrazeno 1 - 10
of 21
pro vyhledávání: '"O G Ponomarev"'
Publikováno v:
Proceedings of Tomsk State University of Control Systems and Radioelectronics. 23:45-52
The article describes the types of distortion of the QPSK signal and the algorithms for measuring the parameters of distortions in the conditions of their simultaneous presence in the signal.
Publikováno v:
Âderna Fìzika ta Energetika, Vol 13, Iss 1, Pp 97-100 (2012)
The paper presents optimization data obtained for an immersion probe-forming system of the ion microprobe to be used in 3 MeV H+ ion accelerator generating 0,4 μm beam spot for normalized acceptance of 7 μm2 · mrad2 · MeV. To achieve higher micro
Externí odkaz:
https://doaj.org/article/726fcffeeb534b6dba0b66426184d96f
Publikováno v:
Âderna Fìzika ta Energetika, Vol 11, Iss 2, Pp 195-198 (2010)
Ion-optics system with two doublets of electrostatic quadrupole lenses for X-ray quasimonochromatic source was selected. Two variants of lens excitation for stigmatic focusing with two and four independent power supplies are considered. It is shown t
Externí odkaz:
https://doaj.org/article/dd6edf6eab394e4ebf3111ae28d7b5dd
Autor:
D S Kokin, O G Ponomarev
Publikováno v:
Journal of Physics: Conference Series. 1679:022018
The paper is concerned a model of a digital communication system where the samples of white Gaussian noise with zero mean and dispersion σ2are used as a modulated (carrier) low-frequency signal. Methods of the digital-phase modulation are used in a
Publikováno v:
Journal of Physics: Conference Series. 2020. Vol. 1499. P. 0120181 (1-5)
This article presents a local positioning system working with the industrial GPR OKO-2 (LOGIS) in the process of radio measurements. Here we discuss principles of the positioning system and the method of transferring location data into the GPR system
Publikováno v:
2017 Progress In Electromagnetics Research Symposium - Spring (PIERS).
Modern imaging radars are mostly based on aperture synthesis technology (SAR) and multidimensional signal processing. For correct post-processing and radio image recovery it is necessary to know coordinates of the radiolocator with the accuracy equal
Publikováno v:
Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques. 8:259-262
The methods of proton-induced X-ray emission (μ-PIXE) and energy-dispersive X-ray analysis (EDAX) are used to study the elemental composition and areal distribution of manganese in Zn1 − xMnxTe and Zn1 − xMnxS films. The μ-PIXE technique is imp
Autor:
S. E. Strelnikov, O. G. Ponomarev
Publikováno v:
2014 24th International Crimean Conference Microwave & Telecommunication Technology.
Autor:
V. L. Hmelev, O. G. Ponomarev
Publikováno v:
2014 24th International Crimean Conference Microwave & Telecommunication Technology.
Publikováno v:
IEEE Transactions on Geoscience & Remote Sensing; Jun2021, Vol. 59 Issue 6, p4725-4732, 8p