New shortwave solar radiometer with information-based sparse sampling

Details New shortwave solar radiometer with information-based sparse sampling New shortwave solar radiometer with information-based sparse sampling

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991stin...9230797s&link_type=abstract

Presented at the ARM Science Team Conference, Denver, CO, 26-30 Oct. 1991

Computer Science

Performance

Charge Coupled Devices, Performance Tests, Radiometers, Real Time Operation, Sampling, Short Wave Radiation, Solar Radiation, Dynamic Range, High Resolution, Holography, Infrared Radiation, Photoelectric Cells

Scientific paper

A new concept for a real-time shortwave solar radiometer is presented, based on the premise that high resolution measurements of the shortwave solar spectrum are needed only in wavelength regions where the atmospheric physics are changing rapidly with respect to lambda. The design features holographic optical elements (HOE's) for nonuniform sampling of the spectrum, customized photo-cells, and temperature-compensated monolithic wide dynamic range amplifiers. Preliminary results show full spectrum reconstruction accuracies to less than 3 percent with a 10:1 reduction in the number of photo-cells required.

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