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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Time-frequency analysis of musical signals
TL;DR: The major time and frequency analysis methods that have been applied to music processing are traced and application areas described as discussed by the authors, and the limitations of windowing methods and their reliance on steady-state assumptions and infinite duration sinusoids to define frequency and amplitude are detailed.
Journal ArticleDOI
Backscattered microstructural noise in ultrasonic toneburst inspections
TL;DR: In this article, a model is presented which relates the absolute backscattered noise level observed in an ultrasonic immersion inspection to details of the measurement system and properties of the metal specimen under study.
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Annihilation density distribution calculations for medically important positron emitters
Matthew R. Palmer,G.L. Brownell +1 more
TL;DR: The effect of positron range on the image-plane resolution of tomographic images is evaluated through calculations based on a model which employs beta-decay energy spectra and an empirical range formula.
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Use of nuclear magnetic resonance imaging as a viscometer for process monitoring
Darren F. Arola,Geoffrey A. Barrall,Robert L. Powell,Kathryn L. McCarthy,Michael J. McCarthy +4 more
TL;DR: In this paper, the authors combined the fundamental principles of capillary flow and nuclear magnetic resonance imaging (NMRI) measurements to determine the shear viscosity of non-Newtonian fluids.