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Results for “WAVELENGTHS”

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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At least 1,315 records · Page 73

All sources NASA NTRS DOE OSTI

NASA NTRS1969

Quasi-periodical variations of sun's radioemission in the 3.3 cm wavelength

Statistical analysis on temporal variations of solar flux intensity

Durasova, M. S.↗

NASA NTRS1969

A review of radiometric measurements of atmospheric attenuation at wavelengths from 75 centimeters to 2 millimeters

Radiometric measurements of atmospheric attenuation in electromagnetic spectrum

Haroules, G. G.↗

NASA NTRS1968

Radiometric measurement of attenuation and emission by the earth's atmosphere at wavelengths from 4 cm to 8 mm.

Radiometric measurement of attenuation, emission and noise fluctuations due to earth atmosphere in 4 cm to 8 mm range

Brown, W. E., III↗

NASA NTRS1968

Millimeter wavelengths for space communications?

Short wave bands for earth-space communications, considering propagation anomalies compensated systems and frequency bands availability

Binkley, W. O.↗

NASA NTRS1969

Wavelength dependence of laser-beam scintillation.

Proportionality between log-amplitude variance and 7/6 power of wavenumber for horizontal propagation from spherical wave transmitter to point detector

Bufton, J. L.↗

NASA NTRS1969

Venus - Absence of a phase effect at a 2- centimeter wavelength.

Observations of Venus at 15.4 GHz establishing upper limit for brightness variation with phase angle

Morrison, D.↗

NASA NTRS1968

Measurements of Venus and Jupiter near 1-cm wavelength.

Venus and Jupiter observations by earth paraboloid antenna, discussing average brightness temperatures and upper limit for Venus water vapor abundance

Law, S. E.↗

NASA NTRS1969

Observations of the total lunar eclipse of October 18, 1967, at a wavelength of 3.33 millimeters.

Radiometric observations of moon during total lunar eclipse at 3.33 mm, noting decrease in equivalent black body disk temperature

Rusch, W. V. T.↗

NASA NTRS1969

Passive remote sensing at microwave wavelengths.

Passive remote sensing at microwave frequencies for meteorology, oceanography and geology, reviewing physics of wave interactions, mathematics of data interpretation, etc

Staelin, D. H.↗

NASA NTRS1969

Limb darkening on the earth's night side at wavelengths of 1-3 mu and 3-7.5 mu.

Limb darkening on earth night side observed by Aerobee rocket, with explanation based on atmospheric opacity in water vapor and carbon dioxide bands

Feldman, P. D.↗

NASA NTRS1969

The simultaneous investigation of attenuation and emission by the earth's atmosphere at wavelengths from 4 centimeters to 8 millimeters.

Daily simultaneous solar measurements of microwave atmospheric absorption and emission to determine frequency correlation between meteorological phenomena and atmospheric parameters

Brown, W. E., III↗

NASA NTRS1969

Wavelength errors in spectrographs. I - The effect of surface irregularities in camera mirrors.

Radial velocity errors in high dispersion astronomical spectrographs in terms of variable spectral shifts along plate produced by mirror surface irregularities

Tull, R. G.↗

NASA NTRS1969

Hydrocarbon gas absorption by a HeNe laser beam at a 3.39-mu wavelength.

Absorption coefficient measurement for hydrocarbon gases for He-Ne laser beam at 3.39 microns, tabulating coefficients, noting variations from spectroscopic data

Beam, B. H.↗

NASA NTRS1969