volume 50

20150304-06
A model of a single-phase synchronous generator with rare earth magnets
Nikola Georgiev

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This paper makes a study of a single-phase synchronous 16-pole generator with axial magnetic field and rare earth magnets. A model of the synchronous generator has first been developed, taking into consideration its geometric ...  read more

20150304-05
Algorithms for carrier frequency recovery in DVB−S2 receivers
Lyubomir B. Laskov, Lidia T. Jordanova

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In this paper six algorithm for carrier frequency recovery are examined, namely D&M, L&R, Fitz, M&M, Modified M&M and Kay. A mathematical description of algorithms and expressions for determining the frequency ...  read more

20150304-04
Investigation of intrusion detection and intrusion prevention systems in eHealth hospital network
Maria V. Nenova

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The fast growth of the requirements in the eHealth area leads to the problem of protection of personal data and the need of secure transmission via communication channels. The investigated and proposed in the paper solution ...  read more

20150304-03
Power supply circuits for mobile wireless applications
Tihomir S. Brusev

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Wireless battery-powered portable electronic devices give opportunity to the people to have faster communication with each other. The increased functionality of mobile phones enables large data packages to be transmitted in ...  read more

20150304-02
Energy efficiency of IEEE 802.11 WLANs with adaptive modulation schemes
Kiril M. Kassev

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Energy efficiency of wireless communication systems has recently drawn rising attention due to their widespread deployment. Wireless local area networks (WLANs) are an attractive choice for a broadband wireless connectivity ...  read more

20150304-01
SSH keys exchange protocol using identity based encryption
Nikolay Krastanov

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This paper presents a protocol for exchanging SSH keys based on Identity Based Encryption (IBE). This type of encryption is used as an alternative to traditional cryptosystems. Its first practical solution is discussed in ...  read more

20150506-full
Issue 5-6, 2015

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 50. No 5-6/2015
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20150506-full

C O N T E N T S

ELECTRICAL ENGINEERING

Ilonka T. Lilyanova
Analytical approach for calculation of the electric field induced by an axisymmetric current exciter 2

Mihail Digalovski, Goran Rafajlovski, Krste Najdenkoski
Optimally designed energy efficient transformer using global iterative algorithms 8

Valentin Kolev, Anka Zeglova, Ivailo Lazarov
Derivation and analysis of ceramic materials based on BaTiO3 by using standard ceramic technology 12

Rosen Vasilev, Vladimir Chikov, Valentin Gyurov, Ivaylo Nedelchev, Stoyan Tashev, Asen Krastilev, Tzvetan Alistarov, Natalia Nikolova


 ...  read more

20150910-full
Issue 9-10, 2015

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 50. No 9-10/2015
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20150910-full

C O N T E N T S

APPLIED ELECTROMAGNETICS

Elena Chervakova, Marco Goetze, Tino Hutschenreuther, Hannes Toepfer, Bojana Nikolić, Bojan Dimitrijević
Wireless solution for traffic monitoring 2

Vesna Arnautovski-Toševa, Leonid Grčev, Marija Kacarska
Analysis of transient plane wave coupling to horizontal conductor in homogeneous lossy soil 7

Marian Greconici, Gheorghe Madescu, Marius Biriescu, Martian Mot
FEM – analysis of current displacement phenomena in slot embedded solid conductor 13

Mirza I. Bichurin, Nikolay A. Kolesnikov, Roman V. Petrov, Slavoljub Aleksić
Magnetoelectric energy source 19

Bojan Dimitrijević, Bojana Nikolić, Slavoljub Aleksić, Nebojša Raičević, Hannes Toepfer, Elena Chervakova, Tino Hutschenreuther


 ...  read more

20151112-full
Issue 11-12, 2015

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 50. No 11-12/2015
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20151112-full

C O N T E N T S

ELECTRONICS

Georgi M. Mladenov
 ...  read more

20150708-full
Issue 7-8, 2015

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 50. No 7-8/2015
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20150708-full

C O N T E N T S

ELECTRONICS

Peter Yakimov
A practical approach for introductory embedded systems teaching 2

Dimitar Arnaudov, Nikolay Hinov, Ivan Nedyalkov
Characteristics of an electronic converter for supercapacitor charging 7

Nikolay Kurtev, Slavka Tzanova, Silvia Schintke
Photodetector based on electrochemically deposited ZnO and inkjet printed PEDOT:PSS heterojunction 14

Marin B. Marinov


 ...  read more