Begell House Inc.
Telecommunications and Radio Engineering
TRE
0040-2508
71
9
2012
EXPERIMENTAL ESTIMATE OF NOISE IMMUNITY FOR THE SHORT−RANGE NOISE PULSE RADAR SUBJECTED TO THE ACTION OF CONTINUOUS ACTIVE NOISES
771-790
10.1615/TelecomRadEng.v71.i9.10
K. A.
Lukin
A.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
V.M.
Kantsedal
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
V. V.
Kulik
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine
V.M.
Konovalov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
Anatoly
Mogyla
O. Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine
V. P.
Palamarchuk
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine
P.G.
Sushchenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
noise pulse radar
correlation receiver
noise immunity
active noise
noise and signal types and parameters
The noise immunity estimates of correlation reception of a sequence of the short uncorrelated noise pulses of a broad spectrum (with a base of ~50 to 100) in the environment of continuous active noises, in particular, noise interference with a lumped spectrum, monochromatic noise and mixture of both, has been given. The character and degree of influence produced by noise pulses on the output signal of the tested correlation receiver as well as the influence produced by differences in the spectral and energy-producing parameters of the wanted noise signal and interference noises on the receiver noise immunity including low signal-to-noise ratio at the receiver input have been specified. The correlation receiver noise immunity thresholds have been defined using the aggregate of statistical indicators of the changes in the shape of cross-correlation functions.
RESEARCH ON RADAR OBSERVABILITY OF ABOVE-WATER OBJECTS IN THE AREAS OF THE WORLD OCEAN
791-801
10.1615/TelecomRadEng.v71.i9.20
I.P.
Bezgina
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
I. M.
Mytsenko
O.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkiv 61085, Ukraine
Stanislav I.
Khomenko
A.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
wave propagation
radar
scattering cross-section
attenuation factor
range dependence of the radio wave attenuation factor
radar observability
evaporation duct
The results of experimental researches of radar range in centimetre waveband in the areas of the World Ocean are represented. The dependences of reflected signals upon range in over horizon at different conditions of radio wave propagation are investigated. The range dependence of the radio wave attenuation factor V(r) on the direct signal is determined simultaneously with radar observability. The calculation of ship scattering cross-section and its dependence upon over-the-horizon range is represented.
INVESTIGATION OF THE POSSIBILITY FOR DESCRIPTION OF THE SPATIAL FIELD DISTRIBUTION NEAR A MOBILE RADIO DIRECTION FINDER ANTENNA SYSTEM BY A LAURENT SERIES
803-816
10.1615/TelecomRadEng.v71.i9.30
A. V.
Ashikhmin
Voronezh Subsidiary, NPP ZAO IRKOS (Moscow), Voronezh, Russian Federation
V. V.
Negrobov
Voronezh State Technical University, Voronezh, Russian Federation
Yu. G.
Pasternak
Voronezh State Technical University, Voronezh, Russian Federation
Yu. A.
Rembovskii
Voronezh Military Technical College, Russian Federal Security Service, Voronezh ; NPP ZAO IRKOS, Moscow, Russian Federation
radio direction finder
ring antenna array
field approximation
amplitude-and-phase distribution
A method for description of the spatial distribution of an electromagnetic field near a ring antenna array of a mobile radio direction finder, based on the hypothesis on possibility of application of theoretical tools of analytical functions of the complex variable z = x + iy, is presented. In particular, it is shown that application of the Laurent series allows generating a virtual antenna array, used for enhancing the resolution by the azimuth and the accuracy of radio source location in a broad frequency band.
BIT ERROR RATE ANALYSIS OF VARIOUS BLAST WIRELESS MIMO SYSTEMS
817-826
10.1615/TelecomRadEng.v71.i9.40
Saniay Kumar
Sharma
Department of Electronics and Communication Engineering, Krishna Institute of Engg. and Technology (KIET Group of
Institutions), 13 KM stone, Ghaziabad-Meerut Road, Ghaziabad-201206
S. Naseem
Ahmad
Department of Mathematics, Jamia Millia Islamia, New Delhi - 110025
diversity
MIMO systems
Bit Error Rate (BER) and Multipath fading
Rayleigh fading channels
BLAST
D-BLAST
V-BLAST
turbo BLAST
BLAST is a wireless mobile communication approach that makes use of multi-element antennas at both transmitter and receiver end to achieve transmission rates which is far in excess of those possible using some traditional approaches. In wireless systems, multipath is traditionally viewed as a serious impairment. Using the BLAST approach however, it is possible to exploit multipath, that is, to use the scattering characteristics of the propagation environment to the benefit of wireless systems to increase the system capacity. This paper presents the performance comparison of different BLAST architectures in wireless communications with the help of computer simulation experiments. The research study illustrates that the Turbo-BLAST configuration yields best system performance. Also, the bit-error-rate performance of both V-BLAST and Turbo-BLAST improves with a decreasing number of transmit antennas, with Turbo-BLAST outperforming V-BLAST. In addition, for BLAST performance, a significant gain in bit-error-rate performance is attained with smaller number of transmit antennas.
ELECTRON-WAVE INTERACTION IN THE DISTRIBUTED SEMICONDUCTOR STRUCTURE WITH A DIFFRACTION GRATING. PART 1: ELECTRODYNAMIC PROPERTIES OF AN ACTIVE SEMICONDUCTOR STRUCTURE
827-845
10.1615/TelecomRadEng.v71.i9.50
V. A.
Abdulkadyrov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine
semiconductors
diffraction grating
mm-waves
submm-waves
Excitation of waves and their active interactions in a distributed semiconductor structure has been treated in the context of the small-signal theory. A semiconductor plasma is analyzed to a quasi-dynamic approximation. A study has been made of the interaction between a plane electromagnetic (e.m.) wave and a multilayered semiconductor-dielectric structure with a diffraction grating. A numerical experiment has been performed.
HIGH-FREQUENCY ELECTRON CURRENT THROUGH A NON-STATIONARY TUNNEL JUNCTION
847-859
10.1615/TelecomRadEng.v71.i9.60
D. V.
Abdulkadyrov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkiv 61085, Ukraine
N. N.
Beletskii
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085
S. A.
Borysenko
A.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
tunneling electrons
non-stationary tunnel junction
high-frequency current
Tunneling electrons through a non-stationary tunnel junction are investigated within the framework of the approximation of one-quantum electron tunnel junctions. The effect of the thermal energy distribution of electrons in the emitter and collector of the tunnel junction is taken into account. The dependence of the high-frequency electron current on the frequency and the applied dc bias voltage is found. The influence of the barrier asymmetry on the active and reactive parts of the high-frequency electron current is studied.
ON ELECTRONIC WATER STERILIZATION
861-866
10.1615/TelecomRadEng.v71.i9.70
M. D.
Skubilin
Technological Institute of the Southern Federal District University, Taganrog, Russian Federation
A. V.
Pismenov
Technological Institute of the Southern Federal District University, Taganrog, Russian Federation
S. G.
Golovin
Technological Institute of the Southern Federal District University, Taganrog, Russian Federation
ultraviolet rays
wavelength
lethal doses
microorganisms
A method and a device for water sterilization are proposed.