Issue 7-8, 2014

Issue 7-8, 2014

 

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 49. No 7-8/2014
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20140708-full

C O N T E N T S

ELECTRONICS

Nikolay R. Rangelov, Nikolay L. Hinov
Buck-Boost ZVS DC-DC quasi-resonant converter: design, modeling, simulation and experimentation 2

Tsvetan P. Shoshkov, Georgy S. Mihov
Subtraction procedure for drift and tremor removing from ECG: system level synthesis with Compaan 9

Svetoslav ΠΆ. Ivanov, Yanca N. Kissova
Determine the energy of the impulse scheme for electrical excitation laser type “double impulse” 15

Maria NenovaGeorgi A. Farkov, Valentin H. Videkov
Cost-efficient metallographic preparation methods of electronic components and assemblies 20

Marin B. Marinov, Todor S. Djamiykov, Volker Zerbe
Sensor and actuator nodes for multi-zone demand-controlled ventilation 26

TELECOMMUNICATIONS SCIENCE

Peter S. Apostolov, Georgi P. Georgiev
Three element broadband acoustic array with constant array factor 33

Georgi T. Chervenkov, Lyubomir P. Kamburov, Georgi S. Kirov
40 years an anechoic chamber for automatic antenna measurements in Department of Communication Engineering and Technologies at Technical University of Varna 37

ELECTRICAL ENGINEERING

Milka D. Vicheva, Georgi S. Stanchev
Study of the uncertainty measuring of the detonation velocity in a waveguide of non-electric blasting system 45

20140708-full