Begell House Inc.
Telecommunications and Radio Engineering
TRE
0040-2508
72
4
2013
A NEW APPROACH TO THE JUSTIFICATION OF REQUIREMENTS TO FACILITIES OF PROTECTION OF ELECTRONIC DEVICES AND SYSTEMS FROM INTENTIONAL FORCED ELECTROMAGNETIC EFFECTS
275-281
10.1615/TelecomRadEng.v72.i4.10
Vladimir B.
Avdeev
Military Institute of Radioelectronics, Voronezh; State Research and Testing Institute of Problems of Technical Information Protection, Federal Service on Technical and Export Control, Voronezh, Russian Federation
D. V.
Avdeeva
State Research and Testing Institute of Problems of Technical Information Protection, Federal Service on Technical and Export Control, Voronezh, Russian Federation
A. V.
Berdyshev
State Research Institute of Technical Information Protection Problems, Federal Service on Technical and Export Control, Voronezh, Russian Federation
electromagnetic effect
electromagnetic resistance
radioelectronic counter measure
information security
A new approach to the justification of requirements to facilities of protection of electronic devices and systems from intentional forced electromagnetic effects is proposed. Unlike the traditional approach, defining the criterial levels of warranted destructive effect, the proposed approach is based on the determination of opposite parameters, i.e., the criterial levels of the absence of any substantial responses to outside effects that are nonlinear and catastrophic. This helps decrease the requirements not only to radiating generators, but also to the information recording system of the test-objects, which should record reliably the absence of failures in the standard operation conditions of the facilities.
STATISTICAL CHARACTERISTICS OF BINARY PSEUDORANDOM SIGNALS GENERATED ON THE BASIS OF LORENTZ AND CHUA SYSTEMS
283-289
10.1615/TelecomRadEng.v72.i4.20
V. V.
Afanasiev
Kazan A. N. Tupolev State Technical University, Kazan, Russian Federation
S. S.
Loginov
Kazan A. N. Tupolev State Technical University, Kazan, Russian Federation
Yu. E.
Polskii
Kazan A. N. Tupolev State Technical University, Kazan, Russian Federation
pseudorandom signal
statistical characteristics
nonlinear systems
dynamic chaos
Binary pseudorandom signal conditioners based on nonlinear Lorentz and Chua systems with dynamic chaos are discussed. Autocorrelation and mutual correlation functions and probabilistic characteristics of binary pseudorandom sequences, generated by Lorentz and Chua systems, are analyzed.
AN UPGRADED LOG-PERIODIC ANTENNA
291-297
10.1615/TelecomRadEng.v72.i4.30
B. M.
Nefediev
FGUP Kursk Scientific Research Institute of the Ministry of Defense, Kursk, Russian Federation
D. V.
Chertkov
FGUP Kursk Scientific Research Institute of the Ministry of Defense, Kursk, Russian Federation
structure
log-periodic antenna
dimensions
The possibility for reducing the dimensions and weight of a log-periodic antenna by implementing the antenna in the form of sections with the log-periodic structure period varying from one section to another was considered. Expressions for determining the law of variation of the log-periodic structure period, the optimal number of sections, and the frequency ratio were obtained. Conditions for maximum reduction of the antenna dimensions with the same gain factor at upper working frequencies are determined.
THE METHOD FOR AUTOMATIC MEASUREMENT OF THE RADAR ANTENNA GAIN
299-304
10.1615/TelecomRadEng.v72.i4.40
B. M.
Nefediev
FGUP Kursk Scientific Research Institute of the Ministry of Defense, Kursk, Russian Federation
D. V.
Chertkov
FGUP Kursk Scientific Research Institute of the Ministry of Defense, Kursk, Russian Federation
antenna gain
hardware
functional diagram
automatic measurement
frequency response
A method for automated measurement of the antenna gain using hardware, which reduces the time for measuring to 6 s, is proposed. A functional diagram of the device, implementing this antenna gain measurement method, is developed.
ON THE EFFICIENT USE OF A WIDE-BEAM ANTENNA FOR VIDEO INFORMATION DOWNLINK FROM THE ERS SV
305-311
10.1615/TelecomRadEng.v72.i4.50
F. Yu.
Ikshe
Federal State Enterprise "M. V. Khrunichev State Space Scientific and Production Center," Moscow, Russian Federation
O. V.
Mikheev
Federal State Enterprise "M. V. Khrunichev State Space Scientific and Production Center," Moscow, Russian Federation
V. M.
Sudakov
Federal State Enterprise "M. V. Khrunichev State Space Scientific and Production Center," Moscow, Russian Federation
antenna
antenna directional pattern
onboard information system
information receiving point
information transmission radio link
information transmission quality
The results of modeling of video information transmission from the ERS SV, including an onboard information transmitter with an elevation-unguided wide-beam antenna, are discussed. Calculated video information transmission efficiency estimations that match very well with the Monitor-E ERS SV operation data are produced.
SPECIFIC FEATURES OF APPLICATION OF INTERFERENCE-RESISTANT CODING IN MOBILE WIMAX SIGNALS
313-318
10.1615/TelecomRadEng.v72.i4.60
S. V.
Ovsyankin
Academy of the Russian Federal Security Service, Orel, Russian Federation
A. N.
Oreshin
Academy of the Russian Federal Security Service, Orel
V. N.
Korotkii
Academy of the Russian Federal Security Service, Orel, Russian Federation
interference-resistant coding convolutional turbo coding
signal/noise
algorithm
mobile WiMAX
The article discusses the features of reception of mobile WiMAX signals. The applied types of interference-resistant coding are discussed; the dependence of the decoding error probability on the signal/noise ratio for a diagram with a convolutional turbo coding is obtained.
BROADBAND HORN ANTENNA
319-324
10.1615/TelecomRadEng.v72.i4.70
B. M.
Nefediev
FGUP Kursk Scientific Research Institute of the Ministry of Defense, Kursk, Russian Federation
D. V.
Chertkov
FGUP Kursk Scientific Research Institute of the Ministry of Defense, Kursk, Russian Federation
horn antenna
directional pattern
bandwidth
The experimental investigation results on the frequency dependence of the bandwidth of a horn antenna with side grid walls in the E plane on the grid parameters, defining the amplitude and phase distribution of its radiation field, are given. The possibility for selecting an optimal number of metal rods, forming grid walls, and the law of their location to stabilize the horn antenna bandwidth in both H and E planes in a more than doubled frequency band is demonstrated.
A MATHEMATICAL MODEL OF THE ADAPTIVE SYSTEM FOR CODING A WIDEBAND SPEECH SIGNAL BY A PSYCHOACOUSTIC MODEL
325-333
10.1615/TelecomRadEng.v72.i4.80
M. V.
Ilyushin
Academy of the Russian Federal Security Service, Orel, Russian Federation
wideband speech signal
psychoacoustic model
linear prediction
adaptive system
The article presents a mathematical model of the adaptive system for coding (ASC) a wideband speech signal (WSS), using a psychoacoustic model (PAM). The developed mathematical model demonstrates the capacity for information resource distribution in a coden with a variable structure.
DEVELOPMENT OF METHODS FOR DETERMINING THE LENGTH OF REGENERATOR SECTIONS IN SYMMETRICAL CABLES OF SUBSCRIBER ACCESS NETWORKS
335-341
10.1615/TelecomRadEng.v72.i4.90
T. M.
Mansurov
Azerbaijan Technical University, Baku, Azerbaijan
I. A.
Mamedov
Azerbaijan Technical University, Baku, Azerbaijan
E. T.
Mansurov
Azerbaijan Technical University, Baku, Azerbaijan
xDSL modem
subscriber access
interference
regenerator section
crosstalk attenuation
Methods for determining the length of regenerator sections of low-frequency symmetrical telephone cables of subscriber access networks as regards the security of the desired signal and total interferences at the input of the regenerator decision device, as well as the crosstalk attenuation at the near end between chains with parallel xDSL systems are developed.
ON THE CREATION OF A PSYCHO-ACOUSTIC HEARING MODEL FOR SPEECH SPECTRUM COMPRESSION BASED ON MODULATION SIGNAL REPRESENTATIONS
343-352
10.1615/TelecomRadEng.v72.i4.100
D. N.
Markin
St. Petersburg State University of Cinema and Television, St. Petersburg, Russian Federation
speech spectrum compression
speech signal properties
hearing properties
The work presents experimental dada on the properties of natural functions, describing speech signals in the form of amplitude- and frequency-modulated processes. These data can be used as the basis of a psycho-acoustic model for the development of new efficient speech spectrum compression methods.
ON A METHOD FOR INCREASING THE PERFORMANCE EFFICIENCY OF OPTICAL SIGNAL TRANSMISSION SYSTEMS
353-359
10.1615/TelecomRadEng.v72.i4.110
B. G.
Ibragimov
Azerbaijan Technical University, Baku, Azerbaijan
I. A.
Mamedov
Azerbaijan Technical University, Baku, Azerbaijan
fiber-optic communication lines
sensitivity of the optoelectronic communication
channel
optical subscriber terminal
information efficiency
optical signals
mean bit error probability of optical signal reception
The topology of a ring structure of fiber-optic communication lines, formed by optical subscriber terminals based on spectral and dense spectral multiplexing with frequency demultiplexing of communication channels, is investigated. Some performance characteristics of the optical signal transmission systems are defined.
FLMR: FUZZY LOGIC MULTIPATH ROUTING ALGORITHM IN1 MOBILE AD HOC NETWORKS
361-368
10.1615/TelecomRadEng.v72.i4.120
T. H.
Kazimov
A. H.
Ramzan
mobile ad hoc networks
fuzzy logic
multipath routing
membership function
Wireless mobile ad hoc networks are infrastructure networks where nodes move repeatedly, which causes a change in topology. So, routing is important for mobile networks. When a route is destroyed, the path search must be performed. This operation requires more energy and increases the end-to-end delay. In this paper, a new algorithm by which multiple paths are established using fuzzy logic is proposed. Priority is a defining factor to select a path. The proposed algorithm increases package delivery and decreases the end-to-end delay.