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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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At least 559 records · Page 31

All sources NASA NTRS DOE OSTI

NASA NTRS1965

The landing task and pilot acceptance of displays for landing in reduced weather minimums.

Landing task and pilot acceptance of displays for landing in reduced weather minimums

LANDING AID↗

NASA NTRS1966

Minimum two-impulse transfer between coplanar circular orbits.

First-order perturbation solution to problem of minimum-fuel orbit transfer in form of equal slope guidance constraint

CIRCULAR ORBIT↗

NASA NTRS1966

Lower ionosphere at solar minimum.

Lower ionosphere measurements at solar minimum, discussing positive ion density, electron density, solar radiation optical depth, etc

IONOSPHERIC ION DENSITY↗

NASA NTRS1966

The multiply charged primary cosmic radiation at solar minimum, 1965.

Primary cosmic ray charge and energy spectra for helium through oxygen during 1965 minimum solar modulation effect

SOLAR ACTIVITY EFFECT↗

NASA NTRS1966

Galactic cosmic rays at solar minimum, 1965.

Skyhook balloon flight Geiger counter cosmic ray monitor measurements of energy and charge spectra of galactic rays at solar minimum

SOLAR COSMIC RAY↗

NASA NTRS1966

On the existence of inflection points in minimum energy problems.

Existence of inflection points in cost vs terminal time curve for linear minimum energy regulator

REGULATOR↗

NASA NTRS1966

Generalized minimum distance decoding.

Generalized minimum distance decoding that permits likelihood information to be used, yielding same probability of error as maximum likelihood decoding

DISTANCE MEASURING EQUIPMENT↗

NASA NTRS1967

Current pulse amplifier transmits detector signals with minimum distortion and attenuation

Amplifier translates the square pulses generated by a boron-trifluoride neutron sensitive detector located adjacent to a nuclear reactor to slower, long exponential decay pulses. These pulses are transmitted over long coaxial cables with minimum distortion and loss of frequency.

Bush, N. E.↗

NASA NTRS1967

Ferromagnetic core valve gives rapid action on minimum energy

Miniature solenoid valve controls propellant flow during tests on a coaxial plasma accelerator. It uses an advanced ferromagnetic core design which meets all the rapid-acting requirements with a minimum of input energy.

Larson, A. V.↗

NASA NTRS1966