The pulse-sampling technique for the study of electron-attachment phenomena.
Electron capture detector parameters in pulse sampling mode analyzed, noting kinetic processes, temperature effect, etc
DIFFERENTIAL EQUATION↗
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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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Useful approximations to optimum quantization.
Approximation techniques for determination of optimum uniform or nonuniform quantizer
PULSE CODE MODULATION /PCM/↗
Interplanetary magnetic measurements.
Correction of magnetic measurements made by Mariner II, noting use of second-order approximation for interplanetary magnetic field
SATELLITE MEASUREMENT↗
Topological techniques for the derivation of models with pre-assigned accuracy.
Approximation technique for flow graph that eliminates nonessential equivalent circuit elements, providing for derivation of most concise model with preassigned accuracy
APPROXIMATION METHOD↗
An ensemble averaging approach to optimal guidance polynomial approximations.
Synthesis parametry of ensemble-averaged second- order polynomial approximation to performance index of optimal guidance linear feedback control system
APPROXIMATION METHOD↗
A note on the maximum sample excursions of stochastic approximation processes.
Maximum sample excursions of Kiefer-Wolfowitz stochastic approximation processes
APPROXIMATION METHOD↗
Sudden approximation applied to rotational excitation of molecules by atoms. II - Scattering of polar diatomics.
Sudden approximation applied to rotational transition probabilities and inelastic total cross sections for scattering of homonuclear diatomic molecules by atoms
SCATTERING CROSS SECTION↗
Time-dependent Ising-model description of binary liquid mixtures.
Time dependent Ising-model description of binary liquid mixture near critical temperature
APPROXIMATION METHOD↗
Time-dependent Hellmann-Feynman theorems for variational wavefunctions.
Conditions under which optimal wave functions satisfy various time-dependent Hellmann-Feynman theorems
HELLMANN-FEYNMAN THEOREM↗
Effect of spacewise variations in a random load field on the response of a linear system.
Statistical properties of dynamic response of structure to random load field, examining simple deterministic loadings
APPROXIMATION METHOD↗
Electric microfield distributions in plasmas.
Electric microfields in plasma taken as system of charged particles moving in uniform neutralizing background, using approximations and Monte Carlo study
CHARGED PARTICLE↗
Variational methods and degenerate perturbation theory.
Variational methods for approximating perturbation effect on nondegenerate eigenvalue extended to degenerate case
PERTURBATION THEORY↗
On the thermodynamics and approximation theory of viscoelastic materials.
Thermodynamics and approximation theory of viscoelastic materials, developing Coleman-Noll theory, thermodynamic theory for fluids, etc
MATERIALS SCIENCE↗
Including re-entry heating in rocket engine thermal analyses.
Reentry heat flux condition transformation into specified convective coefficients and temperatures, accounting for variation of flux with wall temperature
REENTRY CONDITION↗
Magnitude of nonlinearities in collisionless magnetoplasma waves
Perturbation technique used for approximate solutions to nonlinear hydromagnetic equations of cold collisionless plasma
PERTURBATION THEORY↗
The two variable expansion procedure for the approximate solution of certain nonlinear differential equations
Two variable expansion procedure for approximate solution of nonlinear differential equations with applications to satellite orbital motion
SATELLITE ORBIT↗
Approximate analysis of a frequency-shift keyed system with uncertainty in the carrier frequency
Approximate analysis of frequency-shift keyed telemetry system with uncertainty in carrier frequency
APPROXIMATION METHOD↗
Digital communication and tracking - The mean-square approximation to the optimum cross-correlation function
Mean square approximation to optimum cross correlation function for tracking device
TRACKING SYSTEM↗