Autor: Kociński, M. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: On the optimization of trading on the grain market with the grain storage cost
O optymalizacji handlu na rynku zbożowym z kosztem przechowywania ziarna
Autorzy:: Kociński, M.A.
Powiązania:: https://bibliotekanauki.pl/articles/28766466.pdf
Data publikacji:: 2022
Wydawca:: Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Źródło:: Zeszyty Naukowe Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie. Ekonomika i Organizacja Logistyki; 2022, 7[1]; 29-38
2450-8055
Pojawia się w:: Zeszyty Naukowe Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie. Ekonomika i Organizacja Logistyki
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Helical Spin Structures in c-Axis Dy/Y Superlattice
Autorzy:: Seroczyńska, M.
Kociński, J.
Powiązania:: https://bibliotekanauki.pl/articles/1943983.pdf
Data publikacji:: 1996-01
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 75.70.Fr
75.70.-i
Opis:: On the basis of Landau's theory of symmetry changes at continuous phase transitions, we have derived the formulae for two incommensurate helical spin structures which are symmetry allowed in Dy/Y superlattice, when the helical axis is parallel to the c-axis of the hexagonal lattice. These structures have different extinction coefficients in their cross-sections for magnetic scattering of neutrons and therefore can be distinguished by experiment. Magnetic satellite peaks around the reciprocal lattice points K + 0 are allowed for only one of these spin structures, namely that inferred from earlier experiments.
Źródło:: Acta Physica Polonica A; 1996, 89, 1; 99-104
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Binaural masking of amplitude modulation
Autorzy:: Kordus, M.
Sęk, A.
Kociński, J.
Powiązania:: https://bibliotekanauki.pl/articles/177557.pdf
Data publikacji:: 2005
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: masking
masking in the modulation domain
modulation filterbank
Opis:: A new concept concerned with the transformation of acoustic stimuli in the auditory system postulates the existence of a form of spectral analysis applied to the amplitude changes of the stimuli. It is assumed that this analysis takes place in the so-called modulation filters, i.e. bandpass linear filters tuned to different rates of the amplitude changes. The most striking argument supporting this idea is an effect of masking in the amplitude modulation domain whose nature can be easily explained basing on this concept. As the modulation filters are situated on the higher levels of the auditory system, it is also assumed that this form of masking is entirely a central process. However, most of the studies concerned with masking in the modulation domain used monaural listening only. Therefore, the main purpose of the presented here experiments was to investigate whether this type of masking is entirely a central process. Using a Three-Alternative Forced-Choice (3AFC) procedure the binaural and monaural masked thresholds of amplitude modulation were determined. A sinusoidal carrier at a frequency of 4 kHz was amplitude modulated by a specially designed band of noise characterized by a very low value of the crest factor, which was used as a masking signals. Different bandwidths of the modulating masking signals were used as well as different center frequencies to investigate whether the masking patterns in the modulation domain depend on the masker bandwidth and its center frequency. The modulating target (masked) signal was a pure tone at a frequency range from 2 to 256 Hz. Both modulating signals were applied to the same sinusoidal carrier signal. The most effective masking was noticed when the rate of the sinusoidal modulation was close to the center frequency of the masking signal or when it was in its spectral range and decreased outside of this range. The character of this dependence confirms the existence of some form of a frequency selectivity in the modulation rate domain similarly to the audible frequency domain. The thresholds for monaural and binaural listening were very close to each other. This implies that masking in the modulation domain is a central process.
Źródło:: Archives of Acoustics; 2005, 30, 1; 5-17
0137-5075
Pojawia się w:: Archives of Acoustics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: 3D imaging software tools for multibeam sonar data
Autorzy:: Bikonis, K.
Moszyński, M.
Chybicki, A.
Kociński, P.
Powiązania:: https://bibliotekanauki.pl/articles/332201.pdf
Data publikacji:: 2006
Wydawca:: Polskie Towarzystwo Akustyczne
Opis:: Nowadays, the techniques for 3D computer graphics are developing dynamically. They are finding application not only for creating computer games, but often for three-dimensional data visualization systems. Applying these techniques make graphical operations more effective and consequently these systems are more efficient. The paper presents the system for 3D seafloor visualization using multibeam sonar data. In the presented system three programming techniques for 3D graphic were used C++ OpenGL, Java3D, Java OpenGL. The problems related to the system development and the ways of its solution are presented.
Źródło:: Hydroacoustics; 2006, 9; 17-22
1642-1817
Pojawia się w:: Hydroacoustics
Dostawca treści:: Biblioteka Nauki

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