论文信息 - In-flight spectral calibration of HIRS using AIRS observations

In-flight spectral calibration of HIRS using AIRS observations

The High Resolution Infrared Radiation Sounder (HIRS) is a traditional filter-wheel based crosstrack line scanning radiometer that measures scene radiance in the infrared and visible spectrum with 20 channels, including twelve long-wave channels (668.5 to 1533 cm), seven short-wave channels (2188 to 2660 cm), and one visible channel (0.69 μm). The instantaneous field of view for HIRS/3 (HIRS15, HIRS16, and HIRS17) is 1.4 degrees in the short-wave and visible and 1.3 degrees for the long-wave channels, providing a nadir footprint of 20.3 km and 18.9 km in diameter on the earth respectively.

Changyong Cao | C. Cao

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