Issue 9-10, 2017

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 52. No 9-10/2017
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20170910-full

C O N T E N T S

TELECOMMUNICATIONS SCIENCE

Zdravka Tchobanova
Cooperative spectrum sensing – overview 1

Stanimir Sadinov
Simulation study and analysis in transmitting RZ and NRZ coded signals into 10 Gbps optical line with optical amplifying sections 9

ELECTRONICS

Kiril Ivanov
Plasma sterilization – special features and new approaches in medical applications 15

INNOVATIVE TECHNOLOGIES

Elena Shoikova, Anatoly Peshev
Best practices for designing user experience for Internet of Things and virtual reality 22

APPLICATION IN PRACTICE

Milan Stankov
From electrica to invariant automatic (Or how to use the knowledge about Theory of electricity for enter into Theory of invariant automatic control). Part two: Electromechanical dualism. Universality of energetic equations. 30

UP-TO-DATE INFORMATION ON SCIENCE IN BULGARIA

Ministry of Education and Science, Republic of Bulgaria
National strategy for development of scientific research in the republic of Bulgaria 2017 – 2030 (Better science for better Bulgaria). 4. Policies, actions and measures for their implementation. 35

Ministry of Education and Science, Republic of Bulgaria
Bulgaria national roadmap for research infrastructure 2017-2023 Appendix №5: Profile of the RI in the national roadmap in the republic of Bulgaria 50