Showing 161 - 180 results of 2,189 for search '"Fourier transform"', query time: 0.06s Refine Results
  1. 161

    A comparative approach to ECG feature extraction methods by Vaneghi, F.M., Oladazimi, M., Shiman, F., Kordi, A., Safari, M.J., Ibrahim, F.

    Published 2012
    “…This paper discusses six most frequent methods used to extract different features in Electrocardiograph (ECG) signals namely Autoregressive (AR), Wavelet Transform (WT), Eigenvector, Fast Fourier Transform (FFT), Linear Prediction (LP), and Independent Component Analysis (ICA). …”
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    Conference or Workshop Item
  2. 162

    Real time analysis of fetal phonocardiography by Tan, B.H., Moghavvemi, M.

    Published 2000
    “…Both time varying amplitude graph and power spectral plot (based on 512-point Fast Fourier Transform, FFT) can be shown simultaneously on a channel's view. …”
    Conference or Workshop Item
  3. 163

    Development Of New Green Chitosan-Natural Rubber And Chitosan-Banana Trunk Fibres Biocomposites As Release Matrices by ., Muhammad Rahim

    Published 2017
    “…A new class of green biocomposites comprising of (i) acidified chitosan (CTSAC) dispersed in partially cross-linked NR matrices ( AC-d-NR) = 2.5, 5, 10, 20 and 40-phr, and (ii) banana trunk fibres (BTF) immobilized in CTSAC (BTF-i-CTSAC) were prepared and characterized by means of Fourier Transform Infrared (FT-IR) spectroscopy, Thermogravimetric Analysis (TGA), Scanning Electron Microscope (SEM) and Brunauer–Emmett–Teller (BET). …”
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    Thesis
  4. 164

    Nano Carbon Black And Activated Carbon From Agricultural Waste Filled Epoxy Composites by Firoozian, Parisha

    Published 2012
    “…The physical and chemical properties of the carbon blacks and activated carbons were studied using thermogravimetric analyzer (TGA), scanning electron microscope (SEM), transmission electron microscopy (TEM), fourier transform infrared (FT-IR) and X-ray diffraction (XRD) of activated carbons and carbon black were also carried out. …”
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    Thesis
  5. 165

    Preparation and characterization of biopolyol from liquefied oil palm fruit waste: part 2 by Kormin, Shaharuddin, M. Rus, Anika Zafiah

    Published 2017
    “…The liquefied OPFW were characterized by Fourier Transform infrared (FT-IR) spectroscopy. The hydroxyl and acid values of the liquefied oil palm fruit waste (OPFW) varied with the liquefied conditions. …”
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    Article
  6. 166

    Synthesis and characterization of palladium(ii) and nickel(ii) schiff base complexes for homogenous catalytic and anticancer studies / Shahrul Nizam Ahmad by Ahmad, Shahrul Nizam

    Published 2018
    “…A total of 12 ligands and 17 complexes were successfully isolated and characterized through elemental analysis, melting point, ¹H and ¹³C Nuclear Magnetic Resonance (NMR), Fourier Transform Infrared (FTIR), UV-Visible spectroscopy and molar conductivity and magnetic susceptibility studies. …”
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    Thesis
  7. 167

    A Promising Electrochemical Sensing Platform Based On A Graphene Nanomaterials For Sensitive Sulfite Determination by Nurulasma, Zainudin, M. M., Yusoff, K. F., Chong

    Published 2015
    “…The nanomaterial graphene was characterized by field-emission scanning electron microscopy and fourier transform infrared spectroscopy. Cyclic voltammetry and flow injection analysis were used to study the electrochemical properties of the proposed sensor. …”
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    Conference or Workshop Item
  8. 168

    Influence Pre-Treatment On The Properties Of Lignocellulose Based Biocomposite by S.S, Suradi, R. M., Yunus

    Published 2009
    “…Also, elimination of lignin contents of fibre strongly influenced on the properties of polypropylene composite which was evaluated by using Scanning Electron Microscope (SEM) and Fourier Transform Infrared Spectrophotometry (FTIR).…”
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    Conference or Workshop Item
  9. 169

    Attraction Sound in the Swiftlets House by Siti Nurzalikha Zaini, Husni Zaini, Kamarul Hawari, Ghazali, Saiful Nizam, Tajuddin

    Published 2014
    “…Ten samples of swiftlets sound were analyzed by using Fast Fourier Transform in Matlab software to identify sound characteristic that attract swiftlets. …”
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    Article
  10. 170

    Model Modification Of Wira Center Member Bar by F. R. M., Romlay, M. S. M., Sani

    Published 2006
    “…The time domain functions were changed to the frequency domain functions and compute by the modern Fast Fourier Transform (FFT) based analyzer for deriving operating deflection shapes (ODS). …”
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    Conference or Workshop Item
  11. 171

    Ayurvedic Mediated Green Synthesis of Gold and Silver Nanoparticles from Marine Microalgae Isochrysis sp. by Tevan, R., Kuppusamy, Palaniselvam, Govindan, Natanamurugaraj, Mohd Hasbi, Ab. Rahim, Solachuddin J.A., Ichwan, Gaanty Pragas, Maniam

    Published 2018
    “…The characterization of metal nanoparticles was confirmed by UV- Visible Spectroscopy, field emission scanning electron microscopy (FESEM), and Fourier transform infrared spectroscopy (FT-IR). the Arishtas method, gold and silver nanoparticles were successfully isolated from Isochrysis sp. …”
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    Article
  12. 172

    Evaluation of activated carbon from waste tyre for the adsorption of 2-chlorophenol by Kanchana, Manirajah

    Published 2016
    “…Field Emission Scanning Electron Microscope (FESEM) images resulted in surface structure of the activated carbon. Fourier transform Infrared spectroscopy (FTIR) showed the presence of functional group. …”
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    Undergraduates Project Papers
  13. 173

    Synthesis of hydrogel using keratien protein from chicken feather by Arun, Gupta, B. S., Mohamed, Alashwal, Basma Yahya

    Published 2018
    “…The characterization of the hydrogels was examined by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and Scanning electron microscopy (SEM), swelling and solubility tests are carried out on the hydrogel to observe the solid content and water absorbance capacity of the hydrogel. …”
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    Conference or Workshop Item
  14. 174

    Molecularly conductive behavior of blended polymer electrolyte-based CMC/PVA by Noor Saadiah, Mohd Ali, Zhang, Dishen, Nagao, Yuki, Ahmad Salihin, Samsudin

    Published 2019
    “…Based on impedance spectroscopy and correlating Fourier transform infrared (FTIR) with thermogravimetric analysis, a framework was proposed to explain the structural enhancement of the BPE system. …”
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    Article
  15. 175

    Development of keratin based hydrogels for biomedical applications by Husain, M B S, Gupta, Arun, Alashwal, B Y

    Published 2019
    “…Moreover, characteristics of the hydrogels, scanning electron microscopy (SEM) examined clearly exhibited porous structures, and the chemical structure of the compound was investigated by Fourier transform infrared spectroscopy (FTIR). The swelling degree of KS-50 exhibited slightly more pore size compared with K-50 hydroge…”
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    Article
  16. 176

    A Review of Morphological and Chemical Properties of Porous Asphalt by N. E., Jasni, K. A., Masri, R. P., Jaya

    Published 2021
    “…This paper reviews on how additive affect the asphalt mixture in terms of Scanning Electron Microscopy (SEM), X-Ray Diffractions (XRD) and Fourier Transform Infrared Spectroscopy (FTIR). These tests are selected to improve the asphalt mixture according to the morphological and chemical properties of porous asphalt. …”
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    Article
  17. 177

    Development of virgin polypropylene composite by sugarcane bagasse reinforcement by Nallappan, Madana Leela

    Published 2011
    “…The compounded samples were then prepared into test specimens through injection molding and characterized by tensile testing, Fourier Transform Infrared Spectroscopy (FTIR) and Melt Flow Index (MFI). …”
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    Undergraduates Project Papers
  18. 178

    An experimental study of conversion of carbon dioxide into hydrocarbon fuel by using photocatalytic method by Mohamad Redzuan, Bujang

    Published 2010
    “…The functional groups of the product which is CH3OH are identified by using fourier transform infrared spectrometer (FTIR). From the studies showed that the photocatalytic method that has been use is applicable but need more of enhancement to produce high yield of CH3OH which can be commercialized.…”
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    Undergraduates Project Papers
  19. 179

    Synthesis and swelling behaviour of bentonite based superabsorbent polymer composite by Nur Sakinah, Abd Aziz

    Published 2012
    “…Superabsorbent polymer composite was synthesis by solution polymerization reaction of bentonite micro powder into monomer Acrylic acid (AA) using ammonium persulfate (APS) as initiator and N,N'-metylene bisacrylamide(MBA)as cross-linker in aqueous solution.The superabsorbent polymer was characterized by using Fourier Transform Infrared(FTIR)and Thermogravimetric Analysis (TGA). …”
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    Undergraduates Project Papers
  20. 180

    Production of biocomposites file for packaging application by Mat Zain, Norashikin, Mohd Marzuki, Mohamed, Ibrahim, Mohd Zamri, Sueb, Mohd Shafiq, Mohd Arshad, Z. I.

    Published 2011
    “…The fabricated film was analyzed and characterized using Scanning electron microscopes (SEM), Fourier transform infrared Spectroscopy (FTIR), Thermogravimetric analyzer (TGA) and Differential scanning calorimeter (DSC). …”
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    Research Report