Issue 1-2, 2015
ELECTROTECHNICA & ELECTRONICA E+E
Vol. 50. No 1-2/2015
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA
C O N T E N T S
TELECOMMUNICATIONS SCIENCE
Seferin T. Mirtchev
Internet evolution, teletraffic and QoS: a survey of network traffic 2
Emil E. Vladkov
A general concept and implementation of a DSP-based QAM digital modulator 18
Peter Z. Petkov, Boncho G. Bonev
Narrow beamwidth antenna for DTH satellite television 26
Veselin B. Demirev
Recent trends and future developments of SCP-RPSC high altitude platform systems 30
CONTROL ENGINEERING
Lyuben A. Iliev, Daniel L. Todorov, Nikolay P. Mihailov, Petko K. Mashkov
Specialized controller for managment of industrial and consumer lighting 37
Kamen L. Perev
Model order reduction for a single machine infinite bus power system 42
ELECTRONICS
Dimitar D. Arnaudov, Nikolay L. Hinov, Ivan I. Nedyalkov
Study of the elements of the photovoltaic system 50
