Journal ArticleDOI
The Fourier Transform and Its Applications
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This article is published in American Journal of Physics.The article was published on 1966-08-01. It has received 2834 citations till now. The article focuses on the topics: Fourier transform.read more
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Frequency dependent grid-impedance determination with pulse-width-modulation-signals
TL;DR: In this paper, an approach is presented and analyzed to measure the frequency and time dependent grid impedance, which is an important parameter for filter and controller design and can help to evaluate power quality problems of generators and loads in advance.
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Contact problem for elastic spheres: Applicability of the Hertz theory to non-small contact areas
TL;DR: In this paper, the problem of normal contact of two identical elastic spheres is considered and the corresponding mixed boundary value problem is formulated at the surface of the sphere, thereby relaxing the assumption of the Hertz theory about small size of the contact area compared to the sizes of the contacting bodies.
Journal ArticleDOI
Nonnegative image reconstruction from sparse Fourier data: a new deconvolution algorithm
Silvia Bonettini,Marco Prato +1 more
TL;DR: In this paper, the problem of image restoration with nonuniform samples of the Fourier transform of the unknown object was studied in both semidiscrete and fully discrete formulations, and an optimization problem involving the minimization of the data discrepancy under nonnegativity constraints was formulated.
Journal ArticleDOI
High precision nuclear mass predictions towards a hundred kilo-electron-volt accuracy
TL;DR: In this article, the Fourier spectral analysis was employed to examine the deviations of nuclear mass predictions to the experimental data and to present a novel way for accurate nuclear mass prediction, where mass deviations from the space of nucleon number to its conjugate space of frequency, and were able to pin down the main contributions to the model deficiencies.
Journal ArticleDOI
Evidence for Truncated Exponential Probability Distribution of Earthquake Slip
TL;DR: In this paper, the authors analyzed the probability distribution of coseismic slip, which provides important information to better understand earthquake source physics, and they used the online database of earthquake source models (SRCMOD) to show that the probability distributions of slip follow the truncated exponential law.