Autor: Marciniak, H. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Wędkarstwo morskie jako stymulator rozwoju turystyki w regionach nadmorskich
The maritime angling as a stimulator of development of the tourism in seaside regions
Autorzy:: Marciniak, M.
Kaluza, H.
Powiązania:: https://bibliotekanauki.pl/articles/79283.pdf
Data publikacji:: 2010
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: wedkarstwo morskie
tereny nadmorskie
turystyka
rozwoj turystyki
uslugi turystyczne
rejsy morskie
rejsy wedkarskie
Opis:: The paper is dedicated the problems concern with development of Polish tourism on seaside regions through maritime angling, especially cod fishing. There are presenting history and legal rules of maritime angling and development of cod angling in Poland. and. Furthermore, is description of angling process during fishing cruise and after the analysis of internet offers for angling cruises, it was chosen and described the most attractive.
Źródło:: Folia Pomeranae Universitatis Technologiae Stetinensis. Oeconomica; 2010, 61
2081-0644
Pojawia się w:: Folia Pomeranae Universitatis Technologiae Stetinensis. Oeconomica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: High Q-factor Fabry-Perot microresonator as an alternative to microdisk in electro-optical modulator for microwave-photonic receivers
Autorzy:: Baghdasaryan, H. V.
Knyazyan, T. M.
Marciniak, M.
Powiązania:: https://bibliotekanauki.pl/articles/308890.pdf
Data publikacji:: 2013
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: electro-optical modulator
microwave-photonic receivers
wireless communication
Opis:: In the last decade a new idea has been suggested for receivers of communication systems, namely, in microwave receivers’ architecture. Though superheterodyne radio-frequency receivers are best suited to the needs of contemporary wireless communication, however stray radiation of their local oscillator (heterodyne) interferes with neighboring radio-devices and permits to locate the covert receiver. To overcome this drawback the signal transfer to optical range has been suggested. By this conversion, not only an elimination of receiver’s stray radiation is attained but also vast advantages of photonic signal processing become available. The key element of existing microwave-photonic receivers is electro-optical microdisk modulator. However, its realization is complicated and as an alternative an electro-optical modulator based on high Q-factor Fabry-Perot microresonator is suggested. Comparative analysis of both types of modulators is performed, and advantages of high Q-factor Fabry-Perot microresonator based modulator are highlighted.
Źródło:: Journal of Telecommunications and Information Technology; 2013, 2; 24-29
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Enhancement of Air-ground Matching by Means of a Chirped Multilayer Structure: Electromagnetic Modeling with the Method of Single Expression
Autorzy:: Baghdasaryan, H.
Knyazyan, T.
Hovhannisyan, T.
Marciniak, M.
Pajewski, L.
Powiązania:: https://bibliotekanauki.pl/articles/958078.pdf
Data publikacji:: 2017
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: chirped multilayer structure
ground matching
method of single expression
Opis:: The enhancement of air-ground electromagneticmatching by means of a chirped multilayer structure is inves-tigated. The modeling and simulation of the considered struc-ture are performed by using the method of single expression(MSE), which is a convenient and accurate tool for wavelength-scale simulations of multilayers comprising lossy, amplifyingor nonlinear (Kerr-type) materials. Numerical results showthat a suitable chirped multilayer structure can reduce the re- ection from the ground. Different values of the number oflayers and of the layer thicknesses are considered. The distributions of the electric eld components and the power owdensity within the modelled structures are calculated.
Źródło:: Journal of Telecommunications and Information Technology; 2017, 3; 30-36
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Influence of Chirped DBR Reflector on the Absorption Efficiency of Multi-nanolayer Photovoltaic Structures: Wavelength-scale Analysis by the Method of Single Expression
Autorzy:: Baghdasaryan, H.
Knyazyan, T.
Hovhannisyan, T.
Mardoyan, G.
Marciniak, M.
Benson, T.
Powiązania:: https://bibliotekanauki.pl/articles/958075.pdf
Data publikacji:: 2017
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: antireflection coating
chirped distributed Bragg reﬂector
electromagnetic modeling
method of single expression
multi-nanolayer photovoltaic structure
photovoltaics
Opis:: An electromagnetic wavelength-scale analysis of the optical characteristics of multi-nanolayer photovoltaic (PV) structures: without an antireflection coating, with an antireflection coating on the top of the structure, and with both the antireflection coating on the top and a broadband non-periodic (chirped) distributed Bragg reflector (DBR) on the bottom of the structure is performed. All the PV structures studied are based on a Si p-i-n type absorber supported by a metallic layer (Cu) and SiO2 substrate. The top-to-bottom electromagnetic analysis is performed numerically by the method of single expression (MSE). Absorbing and reflecting characteristics of the multi-nanolayer PV structures are obtained. The influence of the thicknesses and permittivities of the layers of the PV structures on the absorbing characteristics of the structures is analyzed to reveal favourable configurations for enhancement of their absorption efficiency. The localizations of the electric component of the optical field and the power flow distribution within all the PV structures considered are obtained to confirm an enhancement of the absorption efficiency in the favorable configuration. The results of the electromagnetic wavelength-scale analysis undertaken will have scientific and practical importance for optimizing the operation of thin-filmmulti-nanolayer PV structures incorporating a chirped DBR reflector with regards to enhancing their efficiency.
Źródło:: Journal of Telecommunications and Information Technology; 2017, 3; 99-106
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Physical activity of children and adolescents from the Czech Republic, Hungary, Poland, and Slovakia: A systematic review
Autorzy:: Kantanista, A.
Tarnas, J.
Borowiec, J.
Elegańczyk-Kot, H.
Lubowiecki-Vikuk, A.
Marciniak, M.
Król-Zielińska, M.
Powiązania:: https://bibliotekanauki.pl/articles/28762750.pdf
Data publikacji:: 2021
Wydawca:: Instytut Medycyny Wsi
Źródło:: Annals of Agricultural and Environmental Medicine; 2021, 28, 3; 385-390
1232-1966
Pojawia się w:: Annals of Agricultural and Environmental Medicine
Dostawca treści:: Biblioteka Nauki

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