NASA NTRS · 19780000312
Automatic acquisition and ranging system
Abstract
Digital circuitry automatically demodulates received radio-frequency ranging signals for phase comparison with transmitted signal. All digital circuitry makes system more stable than analog predecessor and makes automatic operation easier and simpler.
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Goldstein, R. M., Hubbard, W. P., Layland, J. W., Martin, W. L., Zygielbaum, A. I.. 1979-01-01. Automatic acquisition and ranging system. https://ntrs.nasa.gov/citations/19780000312
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