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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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Circuit including feedback control elements automatically corrects the power factor of a reactive load. It maintains power supply efficiency where negative load reactance changes and varies by providing corrective error signals to the control windings of a power supply transformer.
Error correction in lunar slope angles and surface roughness of Ranger photographs
Bose-Chaudhuri-Hocquenghem codes for correcting random errors
Synchronization and error correcting codes effect on data compression
Error correcting codes decoding by solving algebraic equations over finite fields
System identification learning method based on pattern recognition involving on-line error correction procedure for Volterra series system representation
Electron density profiles from topside ionograms compared to ground based sounding results, discussing error corrections
STAR computer has five redundant modular function units, fixed store, arithmetic, memory, input, and output. Each unit is connected to a diagnostic control unit, each is coded for error detection and error correction. Separation into function units permits assembly of many different systems from the set of units.
Cyclic codes for error correction noting connection with exponential sum theorems
Apollo 12 navigation for pinpoint lunar landing, correcting errors in downtrack position in guidance computer near powered descent initiation time
Digital data processing and error correcting code techniques applied to Apollo unified S band communication system
Self testing and repairing computer comprising control and diagnostic unit and rollback points for error correction
Error correction for GEOS-C altimeter system from range and angle observations
Error correcting codes and data compression techniques for PCM adaptive telemetry systems - abstracts
Blizard decoding algorithm for binary linear error correcting codes
Cyclic and multiresidue AN codes, determining single error correcting range
Majority-logic decodable block codes construction by combining shorter length codes, obtaining correctable error bounds
Error correcting binary block code decoding on Q-ary output channels /weighted erasure decoding/, considering applications