Wszystkie pola: Holm, S. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: A Modified Holm’s Stepwise Rejective Multiple Test Procedure
Zmodyfikowana wielokrotna procedura testowa kroczącego odrzucenia Holma
Autorzy:: Parys, Dariusz
Powiązania:: https://bibliotekanauki.pl/articles/905696.pdf
Data publikacji:: 2006
Wydawca:: Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:: multiple test procedure
stepwise procedure
familywise error rate
Źródło:: Acta Universitatis Lodziensis. Folia Oeconomica; 2006, 196
0208-6018
2353-7663
Pojawia się w:: Acta Universitatis Lodziensis. Folia Oeconomica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: A Spectral Subtraction Based Algorithm for Real-time Noise Cancellation with Application to Gunshot Acoustics
Autorzy:: Ramos, A. L. L.
Holm, S.
Gudvangen, S.
Otterlei, R.
Powiązania:: https://bibliotekanauki.pl/articles/226624.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: gunshot acoustics
noise cancellation
spectral suppression
counter sniper systems
Opis:: This paper introduces an improved spectral subtraction based algorithm for real-time noise cancellation, applied to gunshot acoustical signals. The derivation is based on the fact that, in practice, relatively long periods without gunshot signals occur and the background noise can be modeled as being short-time stationary and uncorrelated to the impulsive gunshot signals. Moreover, gunshot signals, in general, have a spiky autocorrelation while typical vehicle noise, or related, is periodic and exhibits a wider autocorrelation. The Spectral Suppression algorithm is applied using the pre-filtering approach, as opposed to post-filtering which requires a priori knowledge of the direction of arrival of the signals of interest, namely, the Muzzle blast and the Shockwave. The results presented in this work are based on a dataset generated by combining signals from real gunshots and real vehicle noise.
Źródło:: International Journal of Electronics and Telecommunications; 2013, 59, 1; 93-98
2300-1933
Pojawia się w:: International Journal of Electronics and Telecommunications
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Chronologia i stratygraa wykopu w rejonie przyczółka mostu zachodniego na podgrodziu (badania w latach 60. XX wieku)
Chronology and Stratigraphy of the Trench near the Abutment of the Western Bridge in the Suburbium (Examinations in the 1960s)
Autorzy:: Banaszak, Danuta
Tabaka, Arkadiusz
Powiązania:: https://bibliotekanauki.pl/articles/531986.pdf
Data publikacji:: 2014
Wydawca:: Muzeum Pierwszych Piastów na Lednicy
Tematy:: wczesne średniowiecze
Ostrów Lednicki
most zachodni
chronologia i straty0kacja
Early Middle Ages
Ostrów Lednicki (Lednica Holm) western bridge
archeological stratification and chronology
Opis:: The present paper discusses the results of excavations carried out within the framework of the so-called “Millennium research” (1961–1962) at Ostrów Lednicki. A survey of the abutment of the western (Poznań) bridge allowed to define the time of construction of the bridge as the beginning of the second half of the 10th c. This chronology was confirmed by the dendrochronological analysis of piles. These dates define the time of construction of the bridge as 963–964, while its repairs were carried out in 981, 995, 1007–1008, 1015–1018, 1022 and 1033. These dates imply that repairs of the bridge were carried out at even intervals, each 12–14 years. This may have resulted from the natural durability of the wood used for the construction of the bridge. A stone pavement was discovered around the abutment of the bridge. It hardened the entrance to the bridge. There were also c. 2.5 m wide roads near the lake, which went southwards from the bridge to the stronghold and northwards to the suburbium. The latest date of 1033 would suggest the last repair of the bridge. An assemblage of pottery from layers associated with the destruction (burning) of the bridge is dated to the mid-11th c. The latest of the received dates and the assemblage of pottery from burnt layers allow for dating of the destruction of the Poznań bridge to the mid-11Th c. The bridge was probably burnt in the course of fights over the island. This is implied by finds from the abutment: a sword and a spur, as well as by numerous militaria extracted from the lake by underwater archaeologists: a helmet, a chainmail, swords, stirrups, spurs, spearheads and axes. The lack of an evident burnt layer (apart from scorched beams) and a thick level of rubble may imply that the fire did not destroy the bridge completely and the structure did not collapse at once. The bridge, not repaired and not in use after the fire, underwent slow decomposition. From then, a depression of the terrain near the lake was not used for building purposes and the remains of the bridge and the road were covered by naturally growing layers of loam, sand and turf humus. From the mid-11th c. the island was connected to the land by a ferry crossing, built in the place of the eastern (Gniezno) bridge. In this location, the distance from the island to the mainland is half as much (c. 200 m) as on the western side.
Źródło:: Studia Lednickie; 2014, 13; 115-152
0860-7893
2353-7906
Pojawia się w:: Studia Lednickie
Dostawca treści:: Biblioteka Nauki

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