Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984tdar.nasa...24b&link_type=abstract
In its The Telecommun. and Data Acquisition Rept. p 24-48 (SEE N84-32622 22-32)
Astronomy and Astrophysics
Astronomy
1
Cassegrain Antennas, Microwave Transmission, Radar Astronomy, Radar Transmitters, Uplinking, Computerized Simulation, Millimeter Waves, Spacecraft Communication, Waveguides
Scientific paper
A proposed conceptual design of a 400 kW continuous wave (CW)K sub a band transmitter and associated microwave components to be used for planetary radar and serve as a prototype for future spacecraft uplinks is discussed. System requirements for such a transmitter are presented. Performance of the proposed high-power millimeter wave tube, the gyroklystron is discussed. Parameters of the proposed power amplifier, beam supply, and monitor and control devices are also presented. Microwave transmission line components consisting of signal monitoring devices, signal filtering devices, and an overmoded corrugated feed are discussed. Finally, an assessment of the state of the art technology to meet the system requirements is given and possible areas of difficulty are summarized.
Bhanji Alaudin M.
Caplan Malcom
Hartop R. W.
Hoppe Daniel J.
Imbriale William A.
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