Fourier Spectra and Shock Spectra for Simple Undamped Systems - A Generalized Approach
Fourier spectra and shock spectra for transient excitations
Sutherland, L. C.↗
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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A new class of optical imaging systems achieving aperture synthesis from non- conventional optics by a posteriori lensless Fourier-transform holography.
Optical imaging systems achieving aperture synthesis by lensless Fourier transform holography, noting X ray astronomy, ultrasonic and space applications
Stroke, G. W.↗
Structure of ribosomes of chromatoid bodies - Three-dimensional Fourier synthesis at low resolution.
Three dimensional Fourier synthesis at low resolution for calculating ribosome electron density distribution in chromatoid bodies
Morgan, R. S.↗
Image deblurring and aperture synthesis using a posteriori processing by Fourier-transform holography.
Image deblurring and aperture synthesis using a posteriori processing by Fourier transform holographic spatial filtering
Stroke, G. W.↗
Deblurring of motion-blurred photographs using extended-range holographic Fourier-transform division.
Motion-distorted photograph deblurring method using extended range holographic Fourier transform division
Furrer, F.↗
Estimation of direct and cross power spectral density of discrete data using the fast Fourier transform
Direct and cross power spectral density estimation of discrete data using fast Fourier transform with digital filter solution
Jolly, A. C.↗
Fourier transform representation of an ideal lens in coherent optical systems
Fourier transform representation by approximations of ideal lens in coherent optical systems
Grebowsky, G. J.↗
Factorization of spectra by discrete Fourier transforms
Discrete Fourier transform factorization of arbitrary spectral density functions
Rino, C. L.↗
An experimental Fourier-transform asymmetrical interferometer for atmospheric radiation measurements
Experimental Fourier transform interferometer spectrometer in asymmetrical mode for atmospheric radiation measurements
Chaney, L. W.↗
Explicit inverse Fourier transformation of a rational function and a new theorem
Explicit inverse Fourier transformation of rational function with new theorem
Lee, S. Y.↗
Modifications to Fourier's law of heat conduction through the use of a simple collision model
Modifications to Fourier law of heat conduction through use of simple collision model
Meador, W. E.↗
Fourier spectrum of a chopped bivariate normal intensity distribution
Fourier spectrum of chopped bivariate normal intensity distribution with coefficients calculated numerically by computer, verifying by chopped laser beam signal analysis
Bufton, J. L.↗
Velocity synchronized Fourier transform hologram camera system
Velocity synchronized Fourier transform hologram camera system for recording hypervelocity particles
Dyes, W. A.↗
Application of a modified fast Fourier transform to calculate human operator describing functions
Modified fast Fourier transform for hybrid computer program data processing of human operator describing functions
Shirley, R. S.↗
Fast Two-Dimensional Fourier Transform
Algorithm for Fast Two Dimensional Fourier Transform requiring logarithm additions and multiplication
Hong, J. P.↗
Numerical integration of products of Fourier and ordinary polynomials
Coefficients for finite difference methods of numerical integration of products of Fourier and ordinary polynomials
Bettis, D. G.↗
Calculation of Fourier transforms on finite Abelian groups
Fourier transform calculations on finite Abelian groups
Apple, G. G.↗
Automatic interpretation and classification of images by use of the Fourier domain
Automatic image interpretation and classification using two dimensional digital Fourier transforms
Andrews, H. C.↗