Preliminary investigations of ion thruster cathodes
Mercury vapor fed hollow cathodes for electron bombardment ion thrusters
Engineering topics
Publications and source records attributed to Goldstein, R..
Mercury vapor fed hollow cathodes for electron bombardment ion thrusters
Communications system maintains phase lock of weak telemetry signals with a minimal expenditure of power and bandwidth. An estimate of the frequency variation as a function of time is used to achieve coherent phase demodulation.
Numerical calculation of electron atom excitation and ionization rates
VIP program for computing incident and absorbed energy at orbiting satellite surface
Interplanetary space effects on S band telecommunications
Interplanetary medium influence on S band telecommunication studied by radar astronomy
Interplanetary medium and S-band telecommunications obtained from tracking data from Mariner II and Mariner IV spacecraft
Radar astronomy investigations of Venus, Mars, Jupiter, Mercury and Moon, discussing surface and rotational characteristics to establish astronomical unit
Radar astronomy, fundamental concepts and equations, measuring techniques and results from planetary and lunar radar experiments
Effect of interplanetary medium on S-band telecommunications
Radar exploration of Venus - radiometer, spectral and polarization studies, automatic frequency tracking, frequency-time mapping, and amplitude modulated ranging