NASA NTRS · 19880000569
Microwave Deflection Sensor
Abstract
Doppler-radar instrument measures small deflections or vibrations of reflecting surface. Acting as interferometric micrometer, instrument includes combination of analog and digital circuits measuring change in phase of radar return due to movement of reflecting surface along signal-propagation path. Includes homodyne Doppler-radar transceiver and digital signal-processing circuitry to measure change in phase shift as target deflects.
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Shores, Paul, Kobayashi, Herb, Ngo, Phong, Lichtenberg, C. L.. 1988-12-01. Microwave Deflection Sensor. https://ntrs.nasa.gov/citations/19880000569
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