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3 October 2022 DWTS: first sensor to use Doppler scanning with a gas filter (DSGF) to observe wind and temperature from orbit
Larry L. Gordley, Benjamin T. Marshall, Jeff France, Joseph Gubeli
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Proceedings Volume 12233, Infrared Remote Sensing and Instrumentation XXX; 1223305 (2022) https://doi.org/10.1117/12.2634967
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States
Abstract
The first Doppler Wind and Temperature Sensor (DWTS) using the Doppler Scanning with a Gas Filter (DSGF) measurement technique has been constructed. It is now ready for performance testing in a Virginia Tech Laboratory. The DSGF approach promises extraordinary signal-to-noise and spatial resolution by simultaneously modulating the emission from an entire spectral band. The modulation is measured over typically 100 seconds without affecting spatial resolution. The port or starboard measurement resolution is characteristic of an Earth limb imager: 2km in the vertical (potentially continuous from 20 to 250 km), 10 km along-track and 150 km in the observed limb direction.
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Larry L. Gordley, Benjamin T. Marshall, Jeff France, and Joseph Gubeli "DWTS: first sensor to use Doppler scanning with a gas filter (DSGF) to observe wind and temperature from orbit", Proc. SPIE 12233, Infrared Remote Sensing and Instrumentation XXX, 1223305 (3 October 2022); https://doi.org/10.1117/12.2634967
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KEYWORDS
Doppler effect
Discrete wavelet transforms
Optical filters
Sensors
Modulation
Spatial resolution
Imaging systems
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