Proposed system compensates for velocity changes by multiplying detector output by signal proportional to scan velocity. Increases in velocity are compensated by increase signal from velocity circuit and decreases in velocity are offset by smaller signal from circuit thereby making output signal velocity independent.
Improved fourier interference spectrometer
NASA Tech Briefs ; 3 , 4
1979-03-01
Miscellaneous
No indication
English
Fourier-Transform Infrared Spectrometer
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|Electronically-Scanned Fourier-Transform Spectrometer
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