Issue 1-2, 2015

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

20150102-full

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