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

20200912-full

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