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Results for “smoothing”

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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At least 181 records · Page 10

All sources NASA NTRS DOE OSTI

NASA NTRS1967

An experimental study of the turbulent-flow boundary-layer development in smooth annuli.

Boundary layer development concerning turbulent flow with negligible heat transfer of Newtonian fluid in smooth annuli

Okiishi, T. H.↗

NASA NTRS1967

Thermal diffusion in a loaded sphere-smooth sphere mixture - A model for super 4 He-HT and super 3 He-HD.

Thermal diffusion in systems He4-HT and He3-HD analyzed by mixture of loaded and smooth spheres as model, discussing inelastic collisions

Mason, E. A.↗

NASA NTRS1968

Linear smoothing using measurements containing correlated noise with an application to inertial navigation.

Linear maximum likelihood smoothing for case of measurements containing noise with correlation times comparable to response time, noting application to inertial navigation

Bryson, A. E., Jr.↗

NASA NTRS1969

Method reduces computer time for smoothing functions and derivatives through ninth order polynomials

Analysis presented is an efficient technique to adjust previously calculated orthogonal polynomial coefficients for an odd number of equally spaced data points. The adjusting technique derivation is for a ninth order polynomial. It reduces computer time for smoothing functions.

Glauz, R. D.↗

NASA NTRS1968

Polynomial smoothing formulas and derivative formulas for one or two independent variables

Semtner, A. J.↗

NASA NTRS1969

Reflection and transmission of dipole radiation in presence of an extended boundary, rough and smooth

Reflection and transmission of dipole radiation with rough or smooth boundaries

Erteza, A.↗

NASA NTRS1969

On the linear smoothing problem.

Smoothing problem for linear discrete time system, converting problem to special case of standard linear filtering problem

Willman, W. W.↗

NASA NTRS1969

Nongray radiating flow about smooth symmetric bodies with large blowing.

Nongray absorption and radiation cooling on smooth symmetric blunt bodies included in modified Maslen flow field method for radiation and large blowing

Olstad, W. B.↗

NASA NTRS1969

A new approach to estimation of initial conditions and smoothing problems.

Kalman-Bucy filtering technique for estimation of initial conditions and smoothing in linear dynamic systems, noting rectilinear motion of randomly accelerated spacecraft

Nishimura, T.↗

NASA NTRS1970

Polynomial-smoothing and derivative-estimating formulas for functions of one or two independent variables

Application of polynomial-smoothing formulas and related derivative-estimating formulas simplifies certain linear least-squares problems. These problems can then be solved by a computer method.

Semtner, A. J.↗

NASA NTRS1970

Simple data-smoothing and noise-suppression technique

Algorithm, based on the Borel method of summing divergent sequences, is used for smoothing noisy data where knowledge of frequency content is not required. Technique's effectiveness is demonstrated by a series of graphs.

Duty, R. L.↗

NASA NTRS1970