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Wyświetlanie 1-10 z 132
Tytuł:
BBC MICRO:BIT jako narzędzie nowoczesnej edukacji technicznej
BBC MICRO:BIT as a tool for modern technical education
Autorzy:
Szabłowski, Stanisław
Powiązania:
https://bibliotekanauki.pl/articles/2197617.pdf
Data publikacji:
2021-10-15
Wydawca:
Uniwersytet Rzeszowski
Tematy:
Micro:bit
programowanie Micro:bit
MakeCode
MicroPython
Micro:bitprogramming
Opis:
Micro:bit to płytka przeznaczona do nauki elektroniki i programowania dla dzieci i młodzieży. W opracowaniu przeprowadzono analizę sprzętową układu oraz środowisk programistycznych. Wskazano na możliwości zastosowania płytki Micro:bit w edukacji STEAM. W zakończeniu zamieszczono komentarze i wnioski praktyczne.
Micro:bit is a board designed for learning electronics and programming for children and teenagers. The study included a hardware analysis of the system and programming environments. The possibilities of using the Micro:bit board in STEAM education were indicated in the study. The conclusion includes comments and practical inferences.
Źródło:
Dydaktyka informatyki; 2021, 16; 168-174
2083-3156
2543-9847
Pojawia się w:
Dydaktyka informatyki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Algorithm of adding the m-bit numbers
Algorytm dodający dwie m-bitowe liczby
Autorzy:
Woronowicz, K.
Powiązania:
https://bibliotekanauki.pl/articles/88412.pdf
Data publikacji:
2015
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
liczby m-bitowe
dodawanie liczb m-bitowych
algorytm
adding m-bit numbers
algorithm
m-bit numbers
Opis:
In the classic algorithm of adding two m-bit numbers with carries we add a single bits of the added numbers on each of the m positions. If we assume for a single iteration of the algorithm to calculate the value of a single bit of the sum, then for each pair of m-bit numbers the algorithm executes m iterations. In this paper we propose a recursive algorithm of adding two numbers for which the number of the executed iterations is variable and ranges from 0 to m.
W klasycznym algorytmie dodawania dwóch m-bitowych liczb z przeniesieniami dodajemy po kolei bity na poszczególnych pozycjach binarnych reprezentacji danych wejściowych. Jeśli przyjmiemy za iterację algorytmu wyznaczenie wartości pojedynczego bitu sumy, to dla każdej pary m-bitowych liczb algorytm wykonuje m iteracji. W niniejszej pracy proponujemy rekurencyjny algorytm dodawania dwóch liczb, który w pojedynczej iteracji wykonuje trzy operacje logiczne, a liczba iteracji wynosi od 0 do m.
Źródło:
Advances in Computer Science Research; 2015, 12; 95-108
2300-715X
Pojawia się w:
Advances in Computer Science Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
“A bit of salt, a bit of pepper, and a bit of irony:” A qualitative analysis of attitudes towards verbal irony in gelotophobes and nongelotophobes
Autorzy:
Kałowski, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/2128966.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
verbal irony
irony understanding
individual differences
gelotophobia
content analysis
Opis:
A qualitative study was carried out to survey attitudes towards and feelings associated with verbal irony among gelotophobes and nongelotophobes (gelotophobia denoting the fear of being laughed at). Sixty-one people (13 gelotophobes) were surveyed using an open-ended online questionnaire. An inductive, manifest content analysis was carried out. The analysis distinguished that non-gelotophobes treat verbal irony as a skillful way of drawing attention to absurdity. Irony was also often seen as a personal quality rather than a linguistic form. Concerns with recognizing irony appeared very rarely. In contrast, the gelotophobes’ responses displayed a more negative and one-sided attitude towards irony, describing it mostly as a way to put down and insult. These findings, though obtained in a general exploration, present a perspective complementary to that seen in linguistic and psycholinguistic literature as they draw attention to matters of personal experience of irony use. Additionally, the study’s methodological limitations and further directions for research are discussed.
Źródło:
Polish Psychological Bulletin; 2020, 51, 4; 324-334
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
OFDM for Cognitive Radio Systems : Novel Power Allocation and Bit Loading Algorithms
Autorzy:
Razmi, Shirin
Parhizgar, Naser
Powiązania:
https://bibliotekanauki.pl/articles/227256.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cognitive radio
OFDM
interference constraints
power allocation
adaptive modulation
bit loading
Opis:
A novel method to improve the performance of the frequency band is cognitive radio that was introduced in 1999. Due to a lot of advantages of the OFDM, adaptive OFDM method, this technique is used in cognitive radio (CR) systems, widely. In adaptive OFDM, transmission rate and power of subcarriers are allocated based on the channel variations to improve the system performance. This paper investigates adaptive resource allocation in the CR systems that are used OFDM technique to transmit data. The aim of this paper is to maximize the achievable transmission rate for the CR system by considering the interference constraint. Although secondary users can be aware form channel information between each other, but in some wireless standards, it is impossible for secondary user to be aware from channel information between itself and a primary user. Therefore, due to practical limitation, statistical interference channel is considered in this paper. This paper introduces a novel suboptimal power allocation algorithm. Also, this paper introduces a novel bit loading algorithm. In the numerical results sections, the performance of our algorithm is compared by optimal and conventional algorithms. Numerical results indicate our algorithm has better performance than conventional algorithms while its complexity is less than optimal algorithm.
Źródło:
International Journal of Electronics and Telecommunications; 2019, 65, 1; 139-145
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
"Mélange, hotchpotch, a bit of this and a bit of that is how newness enters the world" - Salman Rushdie’s Postcolonial Use of Hybridized Language
Autorzy:
Dyła, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/600789.pdf
Data publikacji:
2007
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Źródło:
Acta Universitatis Lodziensis. Folia Litteraria Anglica; 2007, 7
1427-9673
Pojawia się w:
Acta Universitatis Lodziensis. Folia Litteraria Anglica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pseudo-random bit generators based on linear-feedback shift registers in a programmable device
Autorzy:
Parol, M.
Dąbal, P.
Szplet, R.
Powiązania:
https://bibliotekanauki.pl/articles/114462.pdf
Data publikacji:
2016
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
pseudo-random bit generators
linear-feedback shift register
programmable device
Opis:
We present the results of comparative study on three pseudo-random bit generators (PRBG) based on various use of linear-feedback shift registers (LFSR). The project was focused on implementation and tests of three such PRBG in programmable device Spartan 6, Xilinx. Tests of the designed PRBGs were performed with the use of standard statistical tests NIST SP800-22.
Źródło:
Measurement Automation Monitoring; 2016, 62, 6; 184-186
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental study of layouts of PDC cutters in core bit drilling
Autorzy:
Buitrago Gomez, L. A.
Miska, S. Z.
Ziaja, M. B.
Powiązania:
https://bibliotekanauki.pl/articles/299255.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
PDC cutter
cutters layout
PDC bit
coring
drilling efficiency
Opis:
Over the past two decades, various single cutter force models have been developed that consider formation properties and bit characteristics. These models have been extensively used to describe the interaction of a Polycrystalline Diamond Compact (PDC) bit with formation rocks; however, their use to predict bit drilling efficiency is usually inadequate. There is an ample of field evidence that the density and layouts of PDC cutters affect drilling efficiency. Still, however, there is no reliable model of the PDC bit performance allowing determination of these bit design features for a specific bit's applications. In order to better understand the relationship between rock properties and PDC cutter layouts for different bit applications, laboratory drilling tests were performed with PDC core bits. The concept of an eight-blade PDC core bit was used to build a bit with a common body and replaceable heads. Core-bit design features such as: bit, cutter size, and cutter geometry were constant. In this study, the full-scale test rig facility at the University of Tulsa was used to obtain consistent data for six different layouts of PDC cutters. Operating parameters, such as the rate per minute (RPM) and weight on bit (WOB), were varied and performance parameters (rate of penetration (ROP) and bit torque (TQB)), were measured at each time step with the frequency of 10 Hz. The ROP were calculated as a function of bit displacement over time. All operating parameters were recorded as part of the data acquisition platform. Depth of Cut (DOC) was calculated from ROP, and the average WOB and TQB were estimated at each depth of cut. Tests were performed on two different rocks: Bedford and Carthage Limestones. For the purpose of comparing performance among different cutter layouts, we experiment with a maximum of four different depths of cut, which corresponded to four different weights on bit. The tested layouts allowed a constant maximum DOC per cutter of 0.25 in. Water was the drilling fluid for the entire experimental phase. The results showed that under the same drilling parameters, the cutter layout plays a key role in drilling efficiency. Strong linear relationships were found between DOC, WOB and TQB at different conditions that were characteristic of the specific bit design. Also, the PDC cutter layouts affected the relative drilling performance differently for different rock properties.
Źródło:
AGH Drilling, Oil, Gas; 2016, 33, 2; 341-360
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 132

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