Showing 601 - 620 results of 38,760 for search '"Fourier transform"', query time: 0.58s Refine Results
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    Fourier-transformed infrared spectroscopy study of the ancient ivory tusks from the Sanxingdui site by Xiaoguang Li, Chong Wang, Yu Zhang, Yu Zhang, Ruojing Zhang, Sifan Li, Qing Xiao, Wen Su

    Published 2023-01-01
    “…In this study, 123 unearthed ivory tusks were characterized using Fourier-transformed infrared spectroscopy (FTIR), and seven in situ heating experiments were conducted. …”
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  3. 603

    Method Based on Fast Fourier Transform for Calculating Conical Refraction of Beams With Noncircular Symmetry by Pengcheng Nie, Dagong Jia, Chuang Du, Hongxia Zhang, Tianhua Xu, Tiegeng Liu

    Published 2017-01-01
    “…We propose a method, based on fast Fourier transform (FFT), for calculating conical refraction of beams with noncircular symmetry and verify it experimentally using a quasi-plane wave passing through a square aperture and focusing lens. …”
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    Fault pattern recognition of gas blower based on discrete Fourier transform interpolation algorithm by Changgui Xie, Ping Chen

    Published 2017-03-01
    “…To address the fault spectral characteristics of gas blowers, a novel discrete Fourier transform interpolation algorithm is presented based on traditional practice. …”
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  8. 608

    Fourier Transformation Infrared Spectroscopic Studies of Acidity of NaH-13 X Zeolites by Shatha Abd-Alhameed Al. Sofy

    Published 2018-09-01
    “…Fourier transformation Infrared spectroscopy (FTIR) has been used to characterize and measure the concentration of acid sites (Si-OH-Al groups) in NaH-13 X Zeolites. …”
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    Automated Aircraft Dent Inspection via a Modified Fourier Transform Profilometry Algorithm by Pasquale Lafiosca, Ip-Shing Fan, Nicolas P. Avdelidis

    Published 2022-01-01
    “…This study discusses the feasibility of automated dent scanning via a single-shot triangular stereo Fourier transform algorithm, designed to be compatible with the use of an unmanned aerial vehicle. …”
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  11. 611

    Source brightness fluctuation correction of solar absorption fourier transform mid infrared spectra by T. Ridder, T. Warneke, J. Notholt

    Published 2011-06-01
    “…The precision and accuracy of trace gas observations using solar absorption Fourier Transform infrared spectrometry depend on the stability of the light source. …”
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    Fourier transform infrared difference spectroscopy for studying the molecular mechanism of photosynthetic water oxidation by Hsiu-An eChu

    Published 2013-05-01
    “…Water oxidation chemistry occurs in the oxygen-evolving complex (OEC), which consists of an inorganic Mn4CaO5 cluster and its surrounding protein matrix. Light-induced Fourier transform infrared (FTIR) difference spectroscopy has been successfully used to study the molecular mechanism of photosynthetic water oxidation. …”
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    Fourier transform spectrometer measurements of column CO<sub>2</sub> at Sodankylä, Finland by R. Kivi, P. Heikkinen

    Published 2016-07-01
    “…Fourier transform spectrometer (FTS) observations at Sodankylä, Finland (67.4° N, 26.6° E) have been performed since early 2009. …”
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    Drought Response of Rice in Northeastern Thailand Assessed via Fourier Transform Infrared Spectroscopy by Piyaporn Phansak, Supatcharee Siriwong, Nantawan Kanawapee, Kanjana Thumanu, Wuttichai Gunnula, Natthiya Buensanteai

    Published 2021-12-01
    “…We aimed to characterize the physiological changes in rice in response to drought using Fourier transform infrared (FTIR) spectroscopy. Eighty rice landrace seedlings were subjected to drought in the greenhouse using a PEG 6000. …”
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    Characterization and discrimination of phenolic compounds using Fourier transform Raman spectroscopy and chemometric tools by Pompeu, DR., Larondelle, Y., Rogez, H., Abbas, O., Fernández Pierna, JA., Baeten, V.

    Published 2018-01-01
    “…This work was part of a study that sought to develop rapid screening FT-Raman methods for identifying and quantifying classes and/or types of PCs in the dry extracts of plant products. Objectives. Fourier transform Raman spectroscopy (FT-Raman) coupled with chemometric tools was used to characterize and discriminate four families of phenolic compounds: two important classes of phenolic acids, hydroxybenzoic and hydroxycinnamic acids, as well as their derivatives and flavonoids. …”
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