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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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Discrete element method for plastic analysis of complex built-up structures subjected to cyclic loading causing membrane stress and stress reversal
Lower bounds to minimum error probability using block coding on noisy discrete memoryless communication channels
Approximate formulas for information transmitted by discrete communication channel obtained by averaging tight and weaker bounds respectively from transition probability matrices
Algorithm for construction of discrete approximations to linear differential expressions in terms of ordinates
Lower bounds to minimum error probability for block coding on noisy discrete memoryless channels
Discrete methods for control network implementation using integrated circuitry to reduce inertial navigation systems complexity
Thin plate temperature distribution from solving conduction equation, considering boundary convection losses and moving discrete heat source
Magnetospheric discrete VLF emissions, discussing gyroresonance extension, resonant electron and emission frequency
Study of statistical techniques for obtaining estimates of true data parameters uses discrete measured quantities containing random error. These techniques develop estimation procedures as an iterative algorithm for digital computation in real time.
Stability theorems established for static and dynamic losses in discrete, linear, elastic systems
Suggested revisions in logic models used for discrete network simulation of Saturn 5 checkout
Dependence of human information processing rate on degree of response or discrete tracking tasks
Nonlinear perturbation theory for optimal estimation and control of time-discrete, stochastic, dynamic systems when measurement data is noisy
Conditions for asymptotic stability of discrete minimum variance estimation formulas
Information processing rate as influenced by degree of response difficulty studied in discrete tracking task
Modified computer programs for time oriented discrete network simulation and analysis of man machine systems
Reactor calculations with TDSN discrete ordinates program
Discrete ordinates codes used to determine secondary gamma sources in reactor assemblies and shields