Publication Date:
2019-06-28
Description:
Technique employs computer-controlled light-emitting diode (LED), precision machined mask, and analog-to-digital coverter (ADC). Computer turns on LED which floods masked face of tube. Intensity pattern, generated as tube is electromagnetically swept, is fed to ADC which controls tube calibration.
Keywords:
PHYSICAL SCIENCES
Type:
MFS-22208
,
NASA Tech Briefs (ISSN 0145-319X); 1; 1; P. 63
Format:
text
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