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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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Pattern recognition concepts applied to synthesis of aircraft approach progress monitor as adjunct to pilot decision process, discussing feasibility experiments
Multidimensional data efficient decomposition for communication interface between man machine system, considering decision making and pattern recognition on digital computers with orthogonal transformations
Parallel plate TEM waveguides radiation pattern slope diffraction analysis
Current sheet pattern and gas flow stabilization in pulsed plasma accelerators
Escherichia coli cell division patterns, discussing generation times spread, gamma ray irradiation in nutrient broth, DNA damage and growing points, etc
Polymeric materials flow at tube entrance, discussing pressure drop and flow birefringent patterns at tapered and sharp entrances
Test pattern generation algorithm and program for failure detection in asynchronous sequential logic circuits, using combinational method
Pencil-beam antenna idealized patterns derived from maximum gains and operating wavelengths, discussing sidelobes
Mathematical pattern recognition, using potential functions superposition methods for reconstructing probability density from samples
Loaded resonant circular loop radiation field patterns table, determining load impedance for antenna design
Teflon crosshatched ablation patterns elimination by grooving or glass filler addition
Human sleep pattern changes due to acute sleep- waking cycle reversal
Microwave aperture antenna in finite size ground plane, calculating radiation pattern distortion by superposition of boundary value and wedge diffraction solutions
Apollo 11 lunar rock and soil bombardment produced radionuclide patterns, discussing solar flare protons and alphas, age determination and astronomical models
Atrioventricular conduction in the human heart, analyzing electrocardiogram response patterns recorded by electrode catheter in unanesthetized man
Suboptimum extraction of pattern features from continuous measurements, assuming different Gaussian random classes
Thin liquid film /melt layer/ on body in supersonic flow, examining crosshatched wave patterns stability
Fringe pattern motion is compensated by closed-loop servo system that adjusts a mirror mounted on piezoelectric crystal, so that path difference in interferometer is maintained at constant values at one point in the field. System is applicable to holography with continuous wave laser sources.