Study of X-ray images of the sun at solar minimum.
Solar X ray images obtained at solar minimum by grazing-incidence optics, noting X ray radiation spatial distribution is consistent with coronal emission models
SEARCH · Search NASA
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.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Solar X ray images obtained at solar minimum by grazing-incidence optics, noting X ray radiation spatial distribution is consistent with coronal emission models
Switchless spark discharge system for improved minimum ignition energy measurements of premixed gaseous combustible mixture
Ionosphere electron concentration profiles during sunspot maximum and minimum, using DOVAP in 1958 and rocket-borne two frequency propagation in 1964
Probability of failure concept and minimum weight structural design, discussing mathematical programming problem
Minimum variance estimation for gyroscopic drift parameters, discussing optimal estimation procedure and noise model
Radio stars visibility fades observed in Alaska near solar minimum, discussing ionospheric optical depths
Irregularity distribution mapping of sunspot minimums in Antarctic ionosphere from satellite transit scaling
Sampled data system minimum time suboptimality measurement, proposing approximate analysis method for pulse amplitude modulated systems
Minimum variance technique for analysis of ionospheric data acquired by satellite retarding potential analyzer
Optimal design expressions of vibrating bars extended to accommodate specified minimum cross section
Adaptive guidance scheme for minimum fuel two finite burns rendezvous from elliptical parking orbit to coplanar circular orbit
Ephemeridal parameter optimization for minimum propellant requirements for round trip swingby- stopover multiplanet mission
Cosmic rays intensity variation and heavy nuclei energy spectra investigation to interpret galactic cosmic rays solar modulation near sunspot minimum
Galactic cosmic ray radial intensity gradients modulation by interplanetary medium at solar minimum and at other phases of solar cycle
Unpowered orbital transfer and flight paths, discussing accessibility elliptical boundary and minimum energy trajectories
Numerical solution for minimum induced drag, and associated loading, of nonplanar wings
User manual for computer program 55VD for computation of minimum induced drag and load distribution of nonplanar wings