Results 61 to 70 of about 1,967 (140)

GEODYN system description, volume 1 [PDF]

open access: yes
A computer program for the estimation of orbit and geodetic parameters is presented. The areas in which the program is operational are defined. The specific uses of the program are given as: (1) determination of definitive orbits, (2) tracking ...
Chin, M. M., Goad, C. C., Martin, T. V.
core   +1 more source

Advanced passive communication satellite systems comparison studies. Volume 2 - Technical discussion Final report [PDF]

open access: yes
Passive communication satellites feasibility for Comsat system - Vol.
Ray, R. D.   +3 more
core   +1 more source

IUS/payload communication system simulator configuration definition study [PDF]

open access: yes
The requirements and specifications for a general purpose payload communications system simulator to be used to emulate those communications system portions of NASA and DOD payloads/spacecraft that will in the future be carried into earth orbit by the ...
Springett, J. C., Udalov, S.
core   +1 more source

Communication and Powering Scheme for Wireless and Battery-Less Measurement [PDF]

open access: yes, 2012
The paper presents solution for wireless and battery-less measurement in the enclosed areas. The principle is based on passive RFID, nevertheless this paper is focused on high power-demanding applications such as MEMS accelerometers, gas sensors ...
Boura, A., Husak, M.
core   +1 more source

ATS-5 trilateration support [PDF]

open access: yes
The development of an L-band trilateration network capable of locating the ATS-5 satellite, determining the satellite's orbital elements, and predicting the satellite position was investigated.
Anderson, R. E., Brisken, A. F.
core   +1 more source

Application of advanced technology to space automation [PDF]

open access: yes
Automated operations in space provide the key to optimized mission design and data acquisition at minimum cost for the future. The results of this study strongly accentuate this statement and should provide further incentive for immediate development of ...
Chang, C. Y.   +5 more
core   +1 more source

Preliminary Centaur Systems Analysis [PDF]

open access: yes
The Centaur is stored in the Orbiter payload bay on the Centaur Integrated Support System (CISS). The CISS not only cradles the Centaur prior to deployment but also provides any signal conditioning required to make the Centaur/Orbiter hardwire interfaces
Holmes, J. K.   +2 more
core   +1 more source

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