issue 7-8

20190708-full
Issue 7-8, 2019

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 54. No 7-8/2019
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20190708-full

C O N T E N T S

ELECTRICAL ENGINEERING

Marinko Barukčić, Nenad N. Cvetković, Željko Hederić, Toni Varga
Modeling ...  read more

20190708-02
Links throughput evaluation in the telecommunication networks
Seferin Mirtchev

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When planning the telecommunication networks it is important to determine the link throughput to provide quality of service, to prevent network overloading and to avoid bottlenecks. In this paper, a method for evaluating the ...  read more

20190708-04
Academic writing and integration of technology
Maria Todorova, Elena Koleva

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Communication in a foreign language is already becoming a daily routine for many, personally, professionally and academically. Professional realization requires skills for writing documents such as biographies, cover letters, ...  read more

20190708-03
Simulation design of piezoelectric ultrasonic IoT-sensor (PMUT)
Mila Ilieva-Obretenova

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Of particular interest is the development of an aromatic image synthesizer that can reproduce a given variety of aromas in the surrounding environment, leading to indirect changes in psychophysiological indicators and behavioral responses of the human body.

 ...  read more

20190708-01
Modeling multi-layered soil by equivalent uniform and two-layer soil models in grounding applications
Marinko Barukčić, Nenad N. Cvetković, Željko Hederić, Toni Varga

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The soil models are crucial for calculating the performances of the grounding systems in electrical engineering. Usually, some approximations and simplified calculation procedures are used in engineering practice. These procedures ...  read more

20180708-full
Issue 7-8, 2018

ELECTROTECHNICA & ELECTRONICA E+E

Thirteenth International Conference on Electron Beam Technologies – EBT 2018, 18-22 June, Varna, Bulgaria

Vol. 53. No 7-8/2018
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

 

20180708-full

 

C O N T E N T S

Special issue: Scientific papers from 13-th International Conference on Electron Beam Technologies – EBT 2018, Varna, BULGARIA
Preface by Corr. Member of BAS, Prof. DSc. G. Mladenov, Assoc. Prof. Elena Koleva, Bulgaria 159

CHARGED PARTICLES

Vadim V. Bezuglov, Alexandr A. Bryazgin, Mikhail V. Korobeynikov, Evgeniy N. Shtarklev, Alexey V. Sidorov, Vadim O. Tkachenko, Alexandr Yu. Vlasov, Leonid A. Voronin
New multi cavity industrial electron accelerators ILU 161

Nikolay K. Kuksanov, Rustam А. Salimov, Sergey N. Fadeev, Petr I. Nemytov, Yury I. Golubenko, Аlexey I. Korgachin, Аlexandr V. Lavruchin, Аlexey V. Semenov, Victor G. Cherepkov, Dmitry A. Kogut, Evgeny V. Domarov, Denis S. Vorobiev, Mikhail Golkovsky
Current status of DC high power ELV electron accelerators 165

Anton D. Teresov, Vladimir V. Shugurov, Vladimir N. Devyatkov, Nikolay N. Koval, Yuriy F. Ivanov
Electron-ion-plasma equipment for surface modification of materials 171

Alexander V. Ponomarev
Depolymerization and self-disassembly of plant polymers 177

Hitoshi Suizu, Ryota Matsuda, Tomonori Tabe, Hiroshi Toyota, Takeshi Tanaka


 ...  read more

20140708-full
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
 ...  read more

20140708-08
Study of the uncertainty measuring of the detonation velocity in a waveguide of non-electric blasting system
Milka D. Vicheva, Georgi S. Stanchev

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The block-diagram of equipment for measuring the velocity of detonation in non-electrical waveguides for blasting is developed. Calibrated time intervals between two pulses corresponding to the specified distance between the ...  read more

20140708-07
40 years an anechoic chamber for automatic antenna measurements in Department of Communication Engineering and Technologies at Technical University of Varna
Georgi T. Chervenkov, Lyubomir P. Kamburov, Georgi S. Kirov

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The creation and development of the anechoic chamber for automatic antenna measurements in the Department of Communication Engineering and Technologies at Technical University of Varna since mid 1970’s to now days is described ...  read more

20140708-06
Three element broadband acoustic array with constant array factor
Peter S. Apostolov, Georgi P. Georgiev

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In the paper a problem of spatial signals filtration with high selectivity is discussed. To approximate the ideal array factor – Kronecker-δ, approximation method of compressed cosines is used. The approximation with third-degree ...  read more