Making and using doppler shifted measurements in gas filter...

Details Making and using doppler shifted measurements in gas filter... Making and using doppler shifted measurements in gas filter...

2009-05-07

2010-12-07

Punnoose, Roy (Department: 2886)

Optics: measuring and testing

For light transmission or absorption

Of fluent material

C356S438000

Reexamination Certificate

active

07847945

ABSTRACT:
A method is provided for making and using measurements in gas filter correlation radiometry. A Gas Filter Correlation Radiometer (GFCR) instrument is moved in a region of space surrounding a heavenly body. An atmosphere of the heavenly body is viewed with the GFCR instrument along a first view direction with the atmosphere and the GFCR instrument experiencing a relative velocity of approximately zero. The atmosphere is also viewed with the GFCR instrument along at least one second view direction that is angularly separated from the first view direction such that atmospheric spectra associated with the second view direction appears Doppler shifted with respect to atmospheric spectra associated with the first view direction. A gas filter correlation radiometry application is performed using the measurement signals obtained from the different view directions.

REFERENCES:
patent: 6008928 (1999-12-01), Sachse et al.
patent: 2003/0112435 (2003-06-01), Sachse

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