Autor: Hashim, A. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Heart-rate Monitoring System Design and Analysis Using a Nios II Soft-core Processor
Autorzy:: Lim, C. K.
Jambek, A.B.
Hashim, U.
Powiązania:: https://bibliotekanauki.pl/articles/226033.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: pulse sensor
PPG
heart rate
FPGA
Nios II
Opis:: The heart rate of a person is able to tell whether they are healthy. A heart-rate monitoring device is able to measure or record the heart rate of a person in real time, whether it is an electrocardiogram (ECG) or a photoplethysmogram (PPG). In this work, a microprocessor system loaded with a heart-rate monitoring algorithm is implemented. The microprocessor system is the Nios II processor system, which interfaces with an analogue-to-digital converter (ADC) and a pulse sensor. A beat-finding algorithm is used in the microprocessor system for heart rate measurement. An experiment is carried out to analyse the functionality of the microprocessor system loaded with the algorithm. The results show that the detected heart rate is in the range of the average human being’s heart rate. The signal flow within the microprocessor system is observed and analysed using SignalTap II from Quartus’ software. Based on a power analysis report, the proposed microprocessor system has a total power dissipation of around 218.26 mW.
Źródło:: International Journal of Electronics and Telecommunications; 2016, 62, 3; 283-288
2300-1933
Pojawia się w:: International Journal of Electronics and Telecommunications
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The Site Preference Analysis and Ordering Characteristics of Ternary Cu0.5(Zn1–xMx)0.5 (M = Transition Metals) Alloys
Autorzy:: Ahmad, N.
Ziya, A. B.
Atiq, S.
Saifullah, K.
Hashim, M.
Saleem, M.
Powiązania:: https://bibliotekanauki.pl/articles/352693.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: ternary alloy systems
order-disorder transformations
site occupancy
ab-initio calculations
ordering energies
Opis:: The site preference of some transition metals during B2-type ordering has been investigated in the ternary Cu_0.5 (Zn_1-x M_x )_0.5 alloys with M = Ti, V, Ag, Au, Cr, Mn, Fe, Co, Ni, Nb, Mo, Hf, Ta, W, Re or Pt (x ≤ 0.01). The statistic-o-thermodynamical theory combined with the electronic theory of alloys has been used to calculate the partial ordering energies, partial short range order parameters and the order-disorder transformation temperatures. The values of partial short range order parameters have been used to determine the site preference of the metal M. The analysis shows that the metals M can be divided into two groups with regard to lattice site occupancy. One group comprising of Cr, Mn, Fe, Co, Ni, Nb, Mo, Hf, Ta, W, Re or Pt was found to prefer Zn sublattice sites, while the second group of Ti, V, Ag or Au atoms prefer Cu sublattice sites. It is found that order-disorder transformation temperature and the site preference of metal M both depend strongly on the partial ordering energies and ternary alloying addition of metal M.
Źródło:: Archives of Metallurgy and Materials; 2018, 63, 3; 1531-1535
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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