Ss. Cyril and Methodius University in Skopje

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    Air pollution data: A dataset gathered through a crowd sensing platform
    (2015-01-14)
    Temkov, Slave
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    Chavkovski, Panche
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    This is a dataset on air pollution monitoring sourced from a crowd-sensing IoT platform. The dataset includes real-time data on various pollutants, including PM2.5, PM10, and NO2 levels, along with atmospheric data such as humidity and temperature. This data is collected across multiple urban locations in Skopje, North Macedonia.
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    Податочна фузија кај безжични сензорски мрежи
    (Факултет за информатички науки и компјутерско инженерство, Скопје, 2013)
    Following the latest developments in computer and communication technologies, everyday objects are becoming smarter, as ubiquitous connectivity and modern sensors allow them to communicate with each other. The deployment of sensors and actuators everywhere around us adds a new dimension to the world of information and communication, which enables the creation of new and enriched services widely applied in different industrial and civilian application areas. The aim of this thesis is to develop data fusion strategies for Wireless Sensor Networks (WSN) that remove temporal or spatial redundancies between sensor measurements in order to decrease the network load. In context of spatial data fusion, nodes localization appears as the first problem to be solved in order to find spatial correlation between data from neighboring nodes. In this thesis two approaches were purposed, implemented and evaluated for solving three dimensional WSN localization problems. In context of temporal data fusion,different techniques for data reduction based of time series forecasting were analyzed, implemented and evaluated. From the evaluation of the algorithms it can be concluded that star network is the most suitable network topology by means of energy saving. If sensors are not within each other radio range, cluster-based topology could be used. Additionally, if data aggregation is applied at cluster head, this topology can achieve even greater data reduction in scenarios where loosing data precision is affordable.
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    Dataset for Polarization of Balmer alpha radiation resulting from H^++H collisions in Debye plasmas
    (2015)
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    Janev, Ratko
    The linear polarization degree of Balmer alpha radiation resulting from Hþ þ Hð1sÞ collisions in a hot, dense weakly coupled plasma is studied in the energy range 1–140keV=u by adopting the Debye-H€uckel potential to represent the screened interaction between charged plasma particles. Due to the energy splitting of nl hydrogen states in the short range Debye-Huckel potential, the Balmer alpha radiation contains three components corresponding to 3s-2p, 3p-2s, and 3d-2p transi- tions, of which only the last two can be linearly polarized. For calculation of 3lm excitation and electron capture cross sections, the two-center expansion atomic orbital close coupling method is used for a number of Debye screening lengths. The effects of plasma screening on the 3lm cross sections are manifested in significant changes of their magnitudes and energy behavior with respect to the ones in the unscreened case, producing significant changes in the polarization degree of Balmer 3p-2s and 3d-2p lines.
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    Dataset for Antiproton-impact ionization of hydrogen atom with Yukawa interaction
    (2018)
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    Grozdanov, Tashko
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    Janev, Ratko
    The process of ionization of hydrogen atom by antiproton impact is studied when the interparticle interactions in the system are described by screened interactions of Yukawa type. The collision dynamics is described by the semiclassical atomic-orbital close-coupling method in which the bound atomic states and positive energy continuum pseudostates are determined by diagonalization of target Hamiltonian in a sufficiently large even-tempered basis to ensure convergence of the results at each value of the screening length λ of the interaction. With decreasing the screening length, the bound states in the Yukawa potential become unbound, thus increasing the number of continuum pseudostates. At low collision energies, this leads to the increase of the ionization cross section. It is observed that the energies of pseudostates, generated by the exit of nl bound states in the continuum, at certain critical values λcnl exhibit series of avoided crossings when λ is varied. The avoided crossings appear between the (n + k)l and (n + k + 1)l (n =1, 2, 3, . . . ; k = 0, 1, 2, . . .) states at screening lengths close to the critical screening length λcnl . The avoided crossings become increasingly less pronounced with increasing n, k and l. The matrix elements for the (n + k)l − (n + k + 1)l transitions at the avoided crossings λ(n+k+1)l exhibit maxima and are reflected x,(n+k)l in the structure of the cross sections for population of the lower nl pseudostates. These structures are, however, smeared out in the total ionization cross section.
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    Едукација за слушање музика
    (Филозофски факултет, УКИМ, Скопје, 2000)
    Колев, Ванчо-Жан
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    Ничеовиот концепт за натчовекот, вредносното редефинирање и духовно созревање на индивидуата
    (Филозофски факултет, УКИМ, Скопје, 2007)
    Вељановски, Николче П.
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    Етика на јогата
    (Филозофски факултет, УКИМ, Скопје, 1999)
    Пржовски, Стојан
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