Airborne microwave radiometric imaging system

Wei Guo; Futang Li; Zuyin Zhang

doi:10.1117/12.363515

24 September 1999 Airborne microwave radiometric imaging system

Wei Guo, Futang Li, Zuyin Zhang

Proceedings Volume 3750, Earth Observing Systems IV; (1999) https://doi.org/10.1117/12.363515
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

A dual channel Airborne Microwave Radiometric Imaging system (AMRI) was designed and constructed for regional environment mapping. The system operates at 35GHz, which collects radiation at horizontal and vertical polarized channels. It runs at mechanical conical scanning with 45 degrees incidence angle. Two Cassegrain antennas with 1.5 degrees beamwidth scan the scene alternately and two pseudo- color images of two channels are displayed on the screen of PC in real time. Simultaneously, all parameters of flight and radiometric data are sorted in hard disk for post- processing. The sensitivity of the radiometer (Delta) T equals 0.16K. A new displaying method, unequal size element arc displaying method, is used in image displaying. Several experiments on mobile tower were carried out and the images demonstrate that the AMRI is available to work steadily and accurately.

Citation Download Citation

Wei Guo, Futang Li, and Zuyin Zhang "Airborne microwave radiometric imaging system", Proc. SPIE 3750, Earth Observing Systems IV, (24 September 1999); https://doi.org/10.1117/12.363515

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