Issue 9-12, 2020
ELECTROTECHNICA & ELECTRONICA E+E
Vol. 55. No 9-12/2020
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
Nobuharu Okamitsu, Koichi Miyazono, Takeshi Tanaka
Transmission of environment data with preliminary secret sharing processing using Sigfox 99
Kamen Boyadzhiev
Geo-referenced system for air quality monitoring 105
ELECTRICAL ENGINEERING
Zahari Zarkov
Physical modeling of wind energy conversion systems in laboratory conditions 109
