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Razvoj nove klase ortogonalnih filtara s primenom u modeliranju, analizi i sintezi sistema za diferencijalnu impulsno kodnu modulaciju
(Универзитет у Нишу, Електронски факултет, 20-02-2018)
This PhD dissertation deals with development of new classes of orthogonal filters based on symmetric transformation of their poles to zeroes and vice versa. The filters based on reciprocal transformation are developed and ...
Nove klase funkcija za sintezu dvokanalne hibridne banke filtara
(Универзитет у Нишу, Електронски факултет, 26-09-2018)
This PhD discusses the research related to the approximation and implementation of the twochannel
hybrid filter banks. Special attention is paid to the analogue part, i.e. analysis part of
the hybrid filter banks.
Two ...
Beskontaktni metod merenja temperature fotonaponskih modula
(Универзитет у Нишу, Електронски факултет, 26-06-2018)
Temperature increase of photovoltaic cells above 25 C, causes a decrease in its output power. That is why it is absolutely necessary to measure this temperature accurately. Unfortunately, there are no many materials dealing ...
Unapređenje sistema za e-učenje semantičkom nadgradnjom
(Универзитет у Нишу, Електронски факултет, 20-12-2018)
Within this doctoral dissertation an enhancement to e-learning systems has been proposed and the evaluation of its impact in the context of real learning was performed.
The proposed enhancement is based on coupling a ...
Nove metode strujnog upravljanja pretvaračima energetske elektronike
(Универзитет у Нишу, Електронски факултет, 08-10-2018)
n this dissertation, the analysis, development and experimental
verification of new current mode control methods of power
electronics converters is performed, in order to obtain improved
performances compared to other ...
Automatska klasifikacija slika zasnovana na fuziji deskriptora i nadgledanom mašinskom učenju
(Универзитет у Нишу, Електронски факултет, 02-07-2018)
This thesis investigates possibilities for fusion, i.e. combining of different types of image descriptors, in order to improve accuracy and efficiency of image classification. Broad range of techniques for fusion of color ...
Razvoj metoda i algoritama za procenu performansi komunikacionih sistema primenom aproksimacija specijalnih funkcija
(Универзитет у Нишу, Електронски факултет, 04-10-2018)
The intensive development of wireless communication systems has been accompanied by the need to develop methods and algorithms for implementing appropriate approximations of special functions in order to efficiently estimate ...
Projektovanje i realizacija upravljačkih sistema sa aktivnim potiskivanjem poremećaja
(Универзитет у Нишу, Електронски факултет, 09-03-2018)
Active Disturbance Rejection Control (ADRC) is a recently proposed
concept, which features high control performances and the minimal
dependence on knowledge of the process model. Hence, ADRC
represents a suitable solution ...
Projektovanje selektivnih IIR digitalnih filtara sa linearnom fazom upotrebom analognih prototipova
(Универзитет у Нишу, Електронски факултет, 15-01-2018)
Lack of universal approach for transforming analog filter prototypes into digital domain opens a possibility for further research in the field thus enabling both, improving existing and deriving novel methods. In the ...
Analiza prodrlog elektromagnetskog polja mobilnog telefona korišćenjem numeričkog modela dečije glave za različite mikrotalasne podopsege
(Универзитет у Нишу, Електронски факултет, 20-03-2018)
The research work presented here was aimed at obtaining the new
results related to the calculation of penetrated electromagnetic field
from a mobile phone and its spatial distribution inside a child’s head.
Several ...