Sensorimotor coordination in extended weightlessness in actual space flight
Sensorimotor coordination in extended weightlessness in actual space flight
WEIGHTLESSNESS↗
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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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Bounded phase coordinate control second quarterly progress report, 15 sep. - 14 dec. 1964
Approximation to linear bounded phase coordinate control problems
APPROXIMATION METHOD↗
An approximation to linear bounded phase coordinate control problems
Approximate solution for linear bounded phase coordinate control processes
APPROXIMATION METHOD↗
Predicted operational requirements for a nonmilitary traffic coordination and navigation satellite system final report
Predicted operational requirements for nonmilitary air traffic coordination and satellite navigation system
SATELLITE NAVIGATION SYSTEM↗
Coordinate conditions and canonical formalisms in gravitational theory.
Coordinate conditions fix momenta conjugate in Dirac Hamiltonian for general relativity, allowing study of canonical formalism of this theory
DIRAC EQUATION↗
Tesseral harmonics of the geopotential and corrections to station coordinates.
Geopotential tesseral harmonics coefficients and tracking station coordinate corrections estimated from Baker-Nunn camera satellite observations
BAKER-NUNN CAMERA↗
Completely general closed-form solution for coordinates and partial derivatives of the two- body problem.
Two-body problem completely generalized closed- form solution for coordinates and partial derivatives
ORBIT CALCULATION↗
Hypervirial functions and the positive powers of the radial coordinate operator in he and h super minus.
One-parameter hypervirial functions used to calculate expectation values of positive powers of radial coordinate operator in ground state helium and hydrogen ion
HYDROGEN ION↗
Laser measuring system accurately locates point coordinates on photograph
Laser activated ultraprecision ranging apparatus interfaced with a computer determines point coordinates on a photograph. A helium-neon gas CW laser provides collimated light for a null balancing optical system. This system has no mechanical connection between the ranging apparatus and the photograph.
Doede, J. H.↗
Determination of station coordinates from optical observations of artifical satellites
Station coordinates from optical tracking of satellites and corrections to nonzonal harmonics of geopotential using least squares method
LEAST SQUARES METHOD↗
Bounded phase coordinate control Final report, 15 Jun. 1964 - 14 Jun. 1965
Methods for solving bounded phase-coordinate time- optimal control problems - Pontryagin principle
CONTROL SYSTEM↗
Surveyor station view periods and trajectory coordinates
Surveyor station view periods and trajectory coordinates
TRACKING STATION↗
Tesseral harmonics of the geopotential and corrections to station coordinates
Tesseral harmonics of geopotential and corrections to Baker-Nunn camera station coordinates
BAKER-NUNN CAMERA↗
An approximation to linear bounded phase coordinate control problems.
Approximation to linear bounded phase coordinate control problem and continuous adjoint solution for optimum controller
OPTIMAL CONTROL↗
Magnetic coordinates.
Definitions and properties of magnetic coordinates B, L, K, R, lambda and A, discussing role of these parameters in study of geomagnetically trapped particles
GEOMAGNETICALLY TRAPPED PARTICLE↗
Fluorescence quantum efficiencies of octa- coordinated europium homogeneous and mixed chelates in organic solvents.
Fluorescence quantum efficiencies of octa- coordinated europium homogeneous and mixed chelates in organic solvents, noting effect of oxygen removal
CHEMICAL LASER↗
Pulse models of human operators performing compensatory tracking with coordinated multiple inputs
Human performance and eye movements of operator performing compensatory tracking with coordinated multiple inputs
COMPENSATORY TRACKING↗
On some possible modifications in Brouwer's theory of the general perturbations in rectangular coordinates
Modifications in Brouwer theory of perturbations in rectangular coordinates
PERTURBATION THEORY↗