NASA NTRS · 20060042213
Hetrodyne Laser Tracking at High Doppler Rates
Abstract
In hetrodyne laser tracking of a spacecraft, the incoming laser signal may be significantly offset from the local laser reference, producing a high-frequency beat note that must be accurately counted to produce an accurate phase measurement.
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Hellings, R., Giampieri, G., Maleki, L., Tinto, M., Danzmamm, K., Hough, J., Robertson, D.. 1994-01-01. Hetrodyne Laser Tracking at High Doppler Rates. https://ntrs.nasa.gov/citations/20060042213
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