[PDF] Top 20 The Fourier transform (FFT) in basic.
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The Fourier transform (FFT) in basic.
... de Fourier para diferen- tes finalidades. Como estão escritos em Basic, o leitor tem aces- so a todas as rotinas livremente, podendo compreender, adaptar, aperfeiçoar, modificar ou mesmo copiar as rotinas ... See full document
5
Estudo e aplicação da transformada de Fourier na regularização de dados sísmicos na exploração de petróleo
... In the oil prospection research seismic data are usually irregular and sparsely sampled along the spatial coordinates due to obstacles in placement of ...geophones. Fourier methods ... See full document
97
Fractal Fourier Transforms Based Image Authentication
... applications, the information regarding the frequencies is important to obtain, which is relevant to a wide range of area such as biomedicine, communication, radar, sonar to name ...accurately the ... See full document
5
The comb signaland its Fourier transform
... analyse the error we are making, we took a signal dL obtained from an ECG signaland con- structed the sequence of instants, tL, through ...where the sampling interval, ¹ , is the mean value of ... See full document
12
Radix-3 Algorithm for Realization of Discrete Fourier Transform
... role in digital signal processing. Among all the discrete transforms, the discrete Fourier transform (DFT) is the most popular transform, and it is mainly due to its ... See full document
5
M ESTRADO M ATEMÁTICAF
... using the finite difference scheme described above and compare it with the widely known Fast Fourier transform method that can be used in this case for option pricing because the ... See full document
52
X rays diffraction (XRD)
... practice in tropical areas and related changes in mineralogy might affect the chemical and physical behavior of ...oxide in soils formed from basic rocks in tropical ...are ... See full document
13
A Fourier transform infrared trace gas and isotope analyser for atmospheric applications
... of the individual processes and magnitudes of GHG exchanges, but are nec- essarily ...used in global-scale models of GHG source-sink distributions and ...inventories. In the alter- native ... See full document
18
The effect of UV radiation on DNA in the presence of
... targeting the DNA seems logical in order to regulate cell ...that in the presence of UV radiation will induce specific DNA ...to the non-proliferation of cancer cells. On this ... See full document
78
Fourier Transform Infrared Spectroscopy (FTIR) for MUN analysis in normal and adulterated Milk
... levels in milk, including enzymatic and colorimetric methods. However, in the early 90’s infrared spectroscopic analyses (IR) was introduced to estimate MUN ...levels in milk (Godden et ... See full document
7
Rev. Esc. Minas vol.64 número1
... using the same Fourier transform infrared spectroscopy ...technique. The objective of the heat treat- ment was to verify the changes, which could take place in the ... See full document
5
ANALYSIS OF TIME DOMAIN MCSEM DATA IN THE PRESENCE OF RESISTIVE LAYERS
... In this work, we model frequency domain mCSEM data in 1-D environments, then we perform the discrete Fourier transform to obtain time domain results.. We simulated marine geological envi[r] ... See full document
10
On Spaces of Fourier-Stieltjes Transform of Vector Measures on Compact Groups
... [1], the author extended to vector measures on a compact non commutative group the notion of Fourier-Stieltjes ...spaces. In this paper, we study some of their topological properties. ... See full document
8
Utilization of fourier transform filter for noise minimization in analytical signals.
... OF FOURIER TRANSFORM FILTER FOR NOISE MINIMIZATION IN ANALYTICAL ...noise. The analytical data infor- mation and instrumental noise generally has different ...remove the noise using a ... See full document
9
The Oscillating Flows and Heat Transfer of a Generalized Oldroyd-B Fluid in Magnetic Field
... consider the MHD flow of an incompressible generalized Oldroyd-B ...for the velocity field and temperature field are obtained by using the Fourier sine transform and Laplace ... See full document
6
Harmonic Analysis on the Möbius Gyrogroup
... on the unit ball, which plays an important role in scattering and potential ...like the Weinstein equation (see e.g. [17] and references therein). Using the gyrolanguage we prove new theorems ... See full document
32
Rev. Bras. Cienc. Farm. vol.43 número1
... amoxicillin in pharmaceutical formulations was determined using spectra of diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS), in association with partial least squares (PLS) ... See full document
8
REVERSE TIME MIGRATION IN THE FREQUENCY DOMAIN BY THE RAPID EXPANSION METHOD
... RESUMO. Um m´etodo de migrac¸˜ao em profundidade no dom´ınio da frequˆencia ´e proposto e implementado. O m´etodo consiste na extrapolac¸˜ao dos campos de ondas da fonte e dos receptores e baseia-se na t´ecnica de ... See full document
20
Mat. Res. vol.7 número4
... samples, the formation of a coating layer is clear after 5- day immersion in SBF, while pure collagen remains practically ...unaltered. Fourier Transform In- frared Spectroscopic (FTIR) ... See full document
4
FREDHOLM’S EQUATION AND FOURIER TRANSFORM ON DISCRETE ELECTROMAGNETIC SYSTEMS
... Nevertheless, in the electromagnetic case in fact the sink term ...perfection the behavior of a source operating inversely in ...put the sink inside the near field ... See full document
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