Results 281 to 290 of about 1,139,003 (330)

Portable Fourier-transform infrared spectroscopy and machine learning for sex determination in third instar Chrysomya rufifacies larvae. [PDF]

J Forensic Sci
Holman AP, Pickett DN, West H, Tarone AM, Kurouski D.   +4 more
europepmc   +1 more source

NAIRDB: a database of Fourier transform infrared (FTIR) data for nucleic acids. [PDF]

Nucleic Acids Res
Balduzzi E, Geinguenaud F, Sordyl D, Maiti S, Farsani MA, Nikolaev G, Arluison V, Bujnicki JM.   +7 more
europepmc   +1 more source

A multi-model approach for estimation of ash yield in coal using Fourier transform infrared spectroscopy. [PDF]

Sci Rep
Mishra S, Prasad AK, Vinod A, Shukla A, Mukherjee S, Purkait B, Varma AK, Sarkar BC.   +7 more
europepmc   +1 more source

Fourier Transform Analysis of GPS-Derived Mobility Patterns for Diagnosis and Mood Monitoring of Bipolar and Major Depressive Disorders: Prospective Study.

J Med Internet Res
Lee TY, Chen CH, Liu CM, Chen IM, Chen HC, Wu SI, Hsiao CK, Kuo PH.   +7 more
europepmc   +1 more source

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The Fourier transform and the discrete Fourier transform

Inverse Problems, 1989
This paper gives an error bound in computing the Fourier transform for a square summable function by means of the discrete Fourier transform. In detail description, the error bound depends on the number of samples, the interval where the samples are taken, the interval where the Fourier transform is being approximated, the local averaging in the time ...
Auslander, Louis, Grünbaum, F. Alberto
openaire   +2 more sources

On Fourier Series on the Torus and Fourier Transforms

Mathematical Notes, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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The Fourier Transform

Scientific American, 1989
To calculate a transform, just listen. The ear automatically performs the calculation, which the intellect can execute only after years of mathematical education. The ear formulates a transform by converting sound-the waves of pressure traveling through time and the atmosphere-into a spectrum, a description of the sound as a series of volumes at ...
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On Fourier-Stieltjes Transforms

Canadian Journal of Mathematics, 1955
Let be the class of bounded non-decreasing functions defined on the real line which are normalized by the conditions ϕ(− ∞) = 0 , ϕ(t + 0) = ϕ(t).Let be the class of Fourier-Stieltjes transforms of elements of i.e. the elements of and are connected by the relationwhere ϕ ∊ and Φ ∊ .It is well known, and easy to verify that this mapping from to ...
Calderón, Alberto P., Devinatz, A.
openaire   +2 more sources