FOURIER ANALYSIS ON LOCAL FIELDS/
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Materie / parole chiave: TAIBLESON, M. H; PRINCETON UNIVERSITY PRESS; 512.3 T129f
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Utilização da análise de FOURIER no estudo de variáveis micrometeorológicas de uma floresta de transição do norte de Mato Grosso Use of FOURIER analysis for studying micrometeorological variables of a northern Mato Grosso transition forest
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Este trabalho foi realizado utilizando dados coletados em uma Floresta de Transição, em uma área pertencente à Fazenda Maracaí no Noroeste de Sinop, MT, com dados micrometeorológicos obtidos com o sistema de correl...
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Open AccessJoseph Fourier 250th Birthday. Modern Fourier Analysis and Fourier Heat Equation in Information Sciences for the XXIst century
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Material complementarioFourier Transform Infrared Spectroscopy (FTIR) for MUN analysis in normal and adulterated Milk
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The objective of this study was to evaluate the CombiScope FTIR equipment based on Fourier Transform Infrared methodology (FTIR), to assess the content of milk urea nitrogen (MUN) in Brazil. Repeatability and reproducibi...
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Material complementarioAnalysis of the freezing point of milk by precision method and by Fourier Transform Infrared (FTIR) spectroscopy
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ABSTRACT A total of 480 milk samples were analyzed in four repetitions with four preservative treatments (no preservative, Bronopol, Bronolat and Brononata), three storage times at temperatures up to 4 °C (24, 48 and 72...
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Open AccessAdulterants interference on Fourier Transform Infrared analysis of raw milk
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RESUMO O objetivo deste trabalho foi analisar as leituras de composição do leite cru por meio de espectrofotometria FTIR, utilizando-se curva de regressão PLS, bem como as contagens de células somáticas e bacteriana...
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Open AccessDeep learning analysis for enhanced prediction of heat transfer in Maxwell hybrid nanofluids with non-Fourier law and radiation effects
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Abstract Nanofluids have emerged as promising heat transfer media due to their superior thermal performance associated to conventional fluids, yet their behavior under mutual impacts of radiation, heat source/sink, and m...
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Open AccessFourier Transform - Materials Analysis
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Material complementarioFourier Transform : Materials Analysis
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Material complementarioOn the use of windows for harmonic analysis with the discrete Fourier transform
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This paper makes available a concise review of data windows and their affect on the detection of harmonic signals in the presence of broad-band noise, and in the presence of nearby strong harmonic interference. We also c...
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Página del recursoDetermination of sulphate for measuring magnesium sulphate in pharmaceuticals by flow analysis-fourier transforms infrared spectroscopy
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The viability of employing flow analysis coupled to Fourier transform infrared spectroscopy (FA-FTIR) as a useful tool for quantitative measuring of magnesium sulphate in pharmaceuticals was explored, developed and valid...
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Open AccessChapter Fourier Transform Infrared Spectroscopy - Useful Analytical Tool for Non-Destructive Analysis
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Open AccessTime Frequency Analysis of Some Generalized Fourier Transforms
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Material complementarioAsteroseismic Analysis of RY Leporis: The Post-main Sequence HADS in a Binary System
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We present a comprehensive study of the pulsating primary component of the long-period binary system RY Lep. The spectral energy distribution and the absence of detectable lines indicate that the companion is likely a w...
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Material complementarioCoherent OAM generation from discrete chaotic phase surfaces
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Abstract We demonstrate coherent orbital angular momentum (OAM) generation from chaotic phase screens with discrete integer-valued azimuthal bias. Through Fourier analysis, we prove that coherent OAM amplitude is nonzero...
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Open AccessMeasurement of the azimuthal anisotropy for charged particle production in √sNN = 2.76 TeV lead-lead collisions with the ATLAS detector
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Differential measurements of charged particle azimuthal anisotropy are presented for lead-lead collisions at √sNN=2.76 TeV with the ATLAS detector at the LHC, based on an integrated luminosity of approximately 8 μb−...
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Material complementarioReassessment of Neovenericor Rossi de García, Levy & Franchi, 1980 (Bivalvia: Carditidae) using a geometric morphometric approach, and revision of planicostate carditids from Argentina
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Various systematic approaches have been applied to the Neogene planicostate carditids of Patagonia. Some authors have included these species within Venericor (known from the Eocene of North America and Europe) or in Mega...
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Open AccessStructural colour in Tersina viridis
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The colour of birds' plumage is due to the presence of pigments as well as to frequency selective structural effects produced by the interaction of light with the photonic microstructure that constitutes the feather barb...
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Open AccessUn posible caso de dimorfismo sexual en “venericardia” patagónica (Sowerby, 1846) (bivalvia: carditidae)
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‘Venericardia’ patagonica is one of the most common bivalve species represented in the late Oligocene–middle Miocene of Patagonia. Previous authors recognized two contrasting morphologies within this species based ...
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Open AccessCaracterización morfólogica del M2 de primates Hominoidea a partir de análisis de Fourier
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Los análisis de Fourier permiten caracterizar el contorno del diente a partir de un número determinado de puntos y extraer una serie de parámetros para un posterior análisis multivariante. No obstante, la gran comple...
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Material complementarioAnalysis of Blood Serum and Gallstone Lipids Composition of Gallstone Patients
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ABSTRACT This study was designed to compare the level of lipid fractions and percentage of fatty acids in serum and gallstones in patients with gallstone, the study include 25 gallstone patients who were diagnosed by ult...
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Material complementarioAnalysis of Ventricular Late Potentials in High Resolution ECG Records by Time-Frequency Representations?
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This study proposes the application of different linear and quadratic Time-Frequency Representations (TFR) for the analysis of Ventricular Late Potentials (VLP) in High-Resolution Electrocardiographic (HRECG) records. Th...
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Material complementarioDiscrimination of grated cheeses by Fourier transform infrared spectroscopy coupled with chemometric techniques
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Attenuated total re fl ectance Fourier transform infrared spectroscopy (ATR-FT IR), combined with chemometric analysis, was used to classify grated Parmigiano-Reggiano cheese from other grana-type cheeses (so called for ...
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Open AccessAdaptive local iterative filtering: A promising technique for the analysis of nonstationary signals
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Many real-life signals and, in particular, in the space physics domain, exhibit variations acrossdifferent temporal scales. Hence, their statistical momenta may depend on the time scale at which the signal is studied. To...
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