NASA NTRS · 19820004676
SPS phase control studies
Abstract
To properly point and form the SPS microwave power beam, the outputs of the power amplifiers in the transmitting array must be phased in a specific and coherent fashion. The purpose of the SPB phase control system is to bring this about reliably. A number of different phase control schemes were studied. The one selected for the SPS baseline system is a retrodirective CW phase that is distributed via fiber optics. The basis of this selection is relative technical simplicity and requisite assurance of success.
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Lund, W. W., Sperber, B. R., Woodcock, G. R.. 1980-01-01. SPS phase control studies. https://ntrs.nasa.gov/citations/19820004676
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