Publication Date:
2019-07-12
Description:
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.
Keywords:
ELECTRONIC SYSTEMS
Type:
MSC-20974
,
NASA Tech Briefs (ISSN 0145-319X); 12; 11; P. 36
Format:
text
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