Dipole antenna with stabilized input impedance
The article is devoted to the development of a small-sized antenna system characterized by uniform input impedance over the entire operating frequency range, and structurally implemented on the basis of the fractal structure, as well as the optimization of its parameters in order to improve the basic operational ...
A dipole antenna with a modified fractal structure of the «Sierpinski triangle» type
The article is devoted to the development and investigation of a modified antenna with an extended frequency range constructed on the basis of a fractal structure of the «Sierpinski triangle» type, which allows to significantly reduce the dimensions of the structure.
1. Stutzman W. L., Tiele G. A. Antenna Theory and Design....
Receiving antenna system of a mobile object
The article describes the development of the structure and functional nodes of the receiving antenna of the short-wave range for moving objects. The authors define the ways to solve the problem of improving the range properties, increasing the sensitivity of the radio reception and ensuring the electromagnetic compatibility of radio electronic ...
Way of shortening the inclusion of antennas of the transducer of the impedance shoulder vibrator
A method is proposed shortening of vibrator antenna. Capacitive reactance is compensated offset by the inclusion of the extension of the inductance coil in the shoulders vibrator. This interpretation of the short tape antenna gives the opportunity to increase the power of the radiation virtually ...
On the question of increasing the range properties of an asymmetric vibrator
The work relates to the field of applied electrodynamics and is devoted to improving antenna-feeder devices of communication means. The article attempts to justify one of the ways to expand the range properties of a short-wave pin antenna by creating conditions for constant wave resistance along the antenna. The authors propose a physical model of an asymmetric vibrator that allows us to determine the set of measures necessary to obtain an antenna design with improved range properties....
A receiving-transmitting antenna system of a mobile object
The article is devoted to the development of the structure and functional nodes of a short-wave range of a transmit-receive antenna with a controlled radiation pattern. The ways of solving the problem of electromagnetic compatibility of radio electronic means located in a limited volume on the surface of the mobile object and integrating the antenna into the flat surfaces ...
A shortwave antenna module
This article presents the methods to improve the weight and size charac-teristics of a universal transmitting shortwave radio antenna. The proposed version of a shortened antenna with a performance management system can significantly increase the radiation power provided the inductive element is of high quality and losses are minimal.
1. Гончаренко И. В. Антенны ...
Model studies of the optimization procedure for the design parameters of the log-periodic C-band antenna
An optimization procedure for constructive parameters of the log-periodic C-band antenna developed in the patent No. 2571607 “Microstrip logoperiodic antenna” is investigated. The electrodynamic model of the log-periodic microstrip- type antenna for the C-band has been developed.
1. Петров Б. М. Логопериодические ...
The transmitting antenna system of moving object
Presents the development of the transmitting antenna system has advantages when used in a ship: the constancy of the antenna current is independent of the operating frequency, reduced size and weight, reduce the impact of radiation on the electromagnetic environment of the ship, simplifying the ...
A. About the method of optimizing the parameters of antenna systems
The article is devoted to the development of methods for optimizing the structural parameters of antenna systems, performed in order to improve the basic performance characteristics. Models are considered and estimated calculations are carried out for structures implemented using symmetric vibrators. Conclusions about the feasibility of changing ...
Employment of the method of equivalent circuits to investigate a leaky wave antenna
The resistive-capacitive electric circuit is obtained to describe the processes of the wave transmission and of radiation in the antenna of leaky wave. The equivalent electric parameters of the circuit are estimated. The system of equations is composed to describe the electric processes in the equivalent circuit To study the balance of the wave power in the antenna of leaky wave,...
Optimization of parameters of antenna systems for radiofrequency irradiation of polycrystalline compounds
This work is related to the field of applied electrodynamics and is devoted to the improvement of transmitting antenna systems used in radio frequency methods of substance research. The operation of search and other devices in remote mode imposes certain conditions on the parameters of transmitting contours, which must be taken into account when building them....
Calculation method of the channel potential possibilities of surface vessel radiocommunication system in the mode of pseudo-random frequency tuning
... кораблей. СПб., 2006.
2. Виниченко А. И. Теория тракта распространения радиоволн линий радиосвязи. Л., 1984.
3. Vinoy K. J., Pal A. Dual-Frequency Characteristics of Minkowski-Square Ring Antennas // IET Microw. Antennas Propag. 2010. Vol. 4, iss. 2. P. 219—224.
4. Stutzman W. L., Tiele G. A. Antenna Theory and Design. N. Y., 2013.
5. Balanis C. A. Modern Antenna Handbook. N. Y., 2008.
Pereversev A. A., Ponimatkin V. E., Shpilevoi ...
Improving the design of low-frequency transmitting antenna systems
The requirements for medium-and long-wave antenna systems imply further improvement of their electrodynamic and structural properties, which is primarily related to the specifics of using this range to provide communication with mobile objects, including surface ships, radio broadcasting, transmit ...
Search on a regime of processing of leaky wave antenna
An expression for the radiated power through the slit of the constructed system leaky wave antenna is obtained. The equation of balance of power in the waveguide is evolved. The loss of the wave power from the waveguide through the slit is taken into account. To calculate the damping factor, the equation is obtained. The possibility of an approximate ...
Study of antenna of leaky waves with the slot of an arbitrary length in the waveguide by the method of equivalent circuits
The equivalent circuit is developed to describe the electrical processes in the antenna of leaky wave. The slot of an arbitrary length in the waveguide wall is considered as non-uniformity of resistive-capacitive type with distributed parameters. The calculations are performed to determine the optimal values of the antenna parameters....
Ship transmitting antenna system
The article is devoted to the development of a transmitting antenna system, characterized by an increased coefficient of the traveling current wave, realizing one of the ways to create phased antenna arrays of the short wave and ultrashort wave bands, in the conditions of the limited surface of their placement ...
About opportunity of integration of antenna systems into bearing constructive elements of mobile objects
Possibility of use in antenna systems of an additional dielectric layer is considered. At the expense of use of the phenomenon of «shortening» of an electromagnetic wave in environments with high dielectric permeability there is a possibility of creation of the integrated ...
Optimization of the parameters of transmitting antenna systems of the SDV- and DV-bands
This work is related to the field of radio engineering and is devoted to the search for ways to improve the transmission antennas of the SDV- and DV- bands based on the study of electrodynamic properties with the possibility of improving their design, mass-dimensional and radiating parameters. These ranges are widely used for communication with mobile objects in areas with ...
About radio transmit system work control on radiation
On the basis of the analysis of principles of antennas’ system work on radiation the way of their operative emergency definition taken as a principle the developed device is developed. Introduction of a quantitative estimation of transmit system efficacy, will allow to solve a problem of automatic ...
About radio station with reverse connect in duplex regime
On the basis of the analysis of principles of duplex system, the model of radio system with reverse connect is obtained. It provide the work of ten duplex channels on one frequency at one antenna in programmable regime of radio-station frequency change.
Гроднев И. И., Верник С. М.
Линии связи. М., 1992.
Лукьянов Ю. М., Пониматкин В. Е., Шпилевой А. А.
Perfection of a principle of base antenna stations placing of a radio communication
On the basis of the analysis of principles of antennas’ placing the way of their mutual resistance’s definition taken as a principle the developed device is developed. Introduction of a quantitative estimation of electromagnetic conditions on the basis of an establishment of mutual resistance’s ...
On the question of increasing the range of properties of the asymmetrical vibrator
The possibility of an extended range of properties of shortwave antennas by creating an environment in constancy wave resistance is justified. On the base of model representations, the analysis of the appropriate changes on an-tenna systems of different designs, are implemented. This systems are based on asymmetrical ...
Investigation of the receiver path of the leaky wave antenna by the method of equivalent circuits
The equivalent circuit is developed to describe the electrical processes in the receiver path of the leaky wave antenna. The line has the slot-type radiator which is considered as a resistive-capacitive non-uniformity. The slot in the waveguide wall is considered as non-uniformity of resistivecapacitive type. The system of equations is composed and solved to investigate ...
The decision of the problem of definition of angular coordinates of object by the method of the maximum credibility
... location systems is presented. It is based on positions of the theory of optimum reception. As the accepted message dependence of pressure on an exit radar-tracking the receiver from a corner of scanning is used by the diagramme of an orientation of antenna system. Theoretical positions and results of preliminary modeling calculations are resulted. Possibility of increase in the azimuthal permission of two purposes without change of spatial base of a signal is shown.
Estimation of Radio Signal Attenuation for «Earth — Space» Path Design
... Seasonal Variations of OTS Amplitude Scintillations // Elec. Letters. 1985. Vol. 21, iss. 4. P. 143—145.
8. Karasawa Y., Yamada M., Allnutt J. E. A New Prediction Method for Tropospheric Scintillation in Satellite Communication // IEEE Trans. Antennas Propagat. 1988. Vol. AP-36, iss. 11. P. 1608—1614.
9. Banjo O. P., Vilar E. Measurement and Modelling of Amplitude Scintillations on Low-Elevation Earth-Space Paths and Impact on Communication Systems // IEEE Trans. Commun. 1986. Vol. COM-34,...
Model evaluation of the directed properties of rectangular loops
... the received results with known experimental values of the studied parameters for Pistolkors’s loopback vibrator is carried out. Comparison showed that theoretical approach in the basis of model researches is adequate and can be used for any wire antenna system of self-contained type.
1. Колонтаевский Ю. Ф. Радиоэлектроника : учеб. пособие для СПТУ. М., 1988.
2. Блантер С. Г. Радиотехника и электроника. Л., ...
Research of process in bistable system when passing the mix of the harmonious signal and «white» noise
.... 1 : Случайные процессы.
3. Лайонс Р. Ци фровая обработка сигналов. М., 2006.
4. Ponimatkin V. E., Shpilevoi A. A., Shabalin A. A. About Electromagnetic Compability of Radio Communication Stations Antennae // AIS-2010 «Atmosphere, ionosphere, safety». Kaliningrad, 2010. P. 184—186.
5. Rice S. O. Selected Papers on Noise and Stochastic Processes / ed. N. Wax.N. Y., 1974. P. 133.
6. Баскаков C. И. Радиотехнические ...
An analysis of possible damage of electrical devices by thunderstorm activity on the model of cloud-to-ground discharge
... Вестник Балтийского федерального университета им. И. Канта. 2015. Вып. 4. С. 61—67.
5. Ponimatkin V. E., Shpilevoi A. A., Shabalin A. A. About Electromagnetic Compability of Radio Communication Stations Antennae // Atmosphere, ionosphere, safety–2010. Kaliningrad, 2010. P. 184–186.
6. Пониматкин В. Е., Шпилевой А. А., Барсуков Д. Б., Утц В. А. Устройство защиты радиоприема от мощных ...
Estimation of Target Elevation Angles in Meter Radars
... spectral analysis, the method based on the likelihood equations, the method of maximum likelihood with high resolution, developed at the IKBFU. On the basis of the likelihood functional, expressions are derived that define the radiation patterns of the antenna system and the surface of the likelihood functional. Results of model researches of potential possibilities of estimates of angles of a place by three methods are presented. It is shown that the maximum likelihood method with a high resolution ...