Library Subscription: Guest
Begell Digital Portal Begell Digital Library eBooks Journals References & Proceedings Research Collections
Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Print: 0040-2508
ISSN Online: 1943-6009

Volumes:
Volume 78, 2019 Volume 77, 2018 Volume 76, 2017 Volume 75, 2016 Volume 74, 2015 Volume 73, 2014 Volume 72, 2013 Volume 71, 2012 Volume 70, 2011 Volume 69, 2010 Volume 68, 2009 Volume 67, 2008 Volume 66, 2007 Volume 65, 2006 Volume 64, 2005 Volume 63, 2005 Volume 62, 2004 Volume 61, 2004 Volume 60, 2003 Volume 59, 2003 Volume 58, 2002 Volume 57, 2002 Volume 56, 2001 Volume 55, 2001 Volume 54, 2000 Volume 53, 1999 Volume 52, 1998 Volume 51, 1997

Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v77.i7.10
pages 563-582

ANTENNAS WITH STEERABLE DIRECTIONAL PATTERNS

V. V. Ovsyanikov
Oles Honchar Dnipro National University 72, Gagarin Av., Dnipro, 49010, Ukraine

ABSTRACT

The actual methods and devices for correction and control of the antenna pattern of metal rod and loop, as well as plasma and electron beam reconfigurable antennas are analyzed. It is suggested to solve the problems of efficient correction and control of the directional patterns of metal antennas through changing their design and inserting lumped reactive loads and switches in the antenna arms. Also, the problems like these are suggested to be solved via construction of reconfigurable antennas on the basis of cold plasma or moving electron flows with inserted switches of the information signals and electric power. Calculation results are presented for steerable Z-shaped and rhombic antennas with lumped loads and switches inserted in the radiating conductors. The gain and voltage standing wave ratio of the antennas with correctable and controllable directional patterns are analyzed. In is noted that, in contrast to the metal reconfigurable antennas and antenna arrays, the plasma and electron-beam antennas suggest more capabilities to control the directional pattern and other electrical parameters through creating the so-called conducting paths in the structures. In this case the deactivated conducting paths have no longer any effect on the antenna operation. It is suggested to beforehand plan and program activation and deactivation of the necessary conducting paths in the specified periods of time in order to obtain the required directional patterns. Results are presented of calculating the directional patterns and other electrical parameters of a metal collinear antenna array of the Franklin-Marconi type and a plasma eight-element reconfigurable antenna. A version of a novel electron-beam reconfigurable antenna is presented. The results of the study are given in the form of tables and graphs. It is noted that the metal, plasma and electron-beam reconfigurable antennas are promising for application in radio systems including ground-based, marine and aerospace telecommunication and radar systems.


Articles with similar content:

MICROSTRIP COLLINEAR ANTENNA
Journal of Radio Electronics, Vol.1, 2012, issue 3
M. O. Konovalenko, Yu. I. Buyanov
THE INFLUENCE OF RF SWITCHES UPON THE PROPERTIES OF RECONFIGURABLE ANTENNAS. PART 1: SINGLE-FREQUENCY EXCITATION
Telecommunications and Radio Engineering, Vol.76, 2017, issue 11
D. S. Gavva, E. A. Medvedev
ANALYSIS OF CHARACTERISTICS OF TWO-FREQUENCY (THREE-FREQUENCY) ANTENNAS WITH REACTIVE LOADS
Telecommunications and Radio Engineering, Vol.77, 2018, issue 2
V. V. Ovsyanikov
THE BOUNDED PERIODICALLY SLOTTED MICROSTRIP STRUCTURE AS A RADIATING MODULE
Telecommunications and Radio Engineering, Vol.72, 2013, issue 15
D. V. Mayboroda, Sergey Pogarsky, L. I. Saprykin
ELECTRICALLY SMALL DIPOLE, HELICAL AND LOOP ANTENNAS
Telecommunications and Radio Engineering, Vol.76, 2017, issue 7
V. V. Ovsyanikov