NASA NTRS · 20100012809
Sideband-Separating, Millimeter-Wave Heterodyne Receiver
Abstract
Researchers have demonstrated a submillimeter-wave spectrometer that combines extremely broad bandwidth with extremely high sensitivity and spectral resolution to enable future spacecraft to measure the composition of the Earth s troposphere in three dimensions many times per day at spatial resolutions as high as a few kilometers. Microwave limb sounding is a proven remote-sensing technique that measures thermal emission spectra from molecular gases along limb views of the Earth s atmosphere against a cold space background.
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Ward, John S., Bumble, Bruce, Lee, Karen A., Kawamura, Jonathan H., Chattopadhyay, Goutam, Stek, paul, Stek, Paul. 2010-04-01. Sideband-Separating, Millimeter-Wave Heterodyne Receiver. https://ntrs.nasa.gov/citations/20100012809
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