Investigation of random thickness variations in chem-milled 2219-t37 aluminum final report
Random thickness variations in chemically milled aluminum alloy
METALLURGY↗
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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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Random pressure excitation of shells and statistical dependence effect of normal mode response
Structural stability of shells - random pressure excitation and statistical dependence of normal mode response
STRUCTURAL STABILITY↗
Random microscopic magnetic fields in a plasma.
Random plasma magnetic fields caused by electrons coming closer to plasma atom than mean interelectron distance and by electrons that pass at or beyond this distance
PLASMA-PARTICLE INTERACTION↗
Density of matter assembled from randomly incident particles.
Lunar photometric properties reproducible from surfaces composed of dark randomly-fallen grains, noting density as function of grain geometry and incident angle
ASTRONOMICAL PHOTOMETRY↗
Random polymers as a matrix for chemical evolution.
Random polymers as a matrix for chemical evolution - example of melanin
ABIOGENESIS↗
Fatigue of Rene 41 under constant-and random- amplitude loading at room and elevated temperatures
Narrow band random and constant amplitude bending fatigue tests on Rene 41 specimens at room and elevated temperatures
AMPLITUDE↗
Investigation of the sonic fatigue characteristics of randomly excited aluminum viscoelastic panels at ambient temperatures
Sonic fatigue effects on structural reliability of randomly excited aluminum viscoelastic panels at ambient temperatures
SOUND INTENSITY↗
The development of computational techniques for the identification of linear and nonlinear mechanical systems subject to random excitation First quarterly report
Computational techniques developed for identifying linear and nonlinear mechanical systems subject to random excitation
NONLINEAR SYSTEM↗
Measures of distance from a randomly located point to neighboring lattice points for rectangular and hexagonal point lattices Technical report no. 3
Probability density function and distribution function of distance from random point in polygon to the nearest corner in lattice
PROBABILITY DENSITY↗
Determination of the survival probability of a launch vehicle rising through a random wind field.
Survival probability of launch vehicle rising through random wind field determined from component responses
LAUNCH VEHICLE↗
An impedance-compensated random equalizer.
Parallel-filter automatic random equalizer for improved vibration testing
Electric Network↗
Analog communication over randomly-time-varying channels.
Analog communication over randomly time varying channels
COMMUNICATION SYSTEM↗
Study of random process theory aids digital data processing
Study of techniques for all random process technology, including stationary, nonstationary, and Gaussian bivariate, aids digital data processing. It presents material on digital filtering, correlation function, optimal spectral smoothing, deterministic data processing, and nonstationary spectrum and correlation analyses.
Bordner, G. W.↗
Interference effects eliminated in random oriented space station antenna system
System eliminates destructive interference effects among multiple omnidirectional or semi-omnidirctional antennas on a large space vehicle that is either spin-stabilized or randomly oriented relative to the ground station with which communication is necessary.
Reilly, R. R.↗
Development of Curie point switching for thin film, random access, memory device
Managanese bismuthide films are used in the development of a random access memory device of high packing density and nondestructive readout capability. Memory entry is by Curie point switching using a laser beam. Readout is accomplished by microoptical or micromagnetic scanning.
Lewicki, G. W.↗
Estimates of the Statistics of Randomly Varying Parameters of Linear Systems
Mathematical model used in estimating statistics of randomly varying parameters of linear systems
IDENTIFICATION↗
The maximum response of rectangular plates to random excitation
Maximum response of rectangular plates to random excitation
EXCITATION↗
Exploratory studies of liquid behavior in randomly excited tanks - Lateral excitation
Fluid behavior in unbaffled circular cylindrical tank under relatively low frequency random lateral excitation
CYLINDRICAL TANK↗