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The frequency selective surface (FSS) is designed to improve the wide-band stealth performance of radar absorbing materials (RAM) at the frequency range from 2GHz to 12GHz. The FSS element structure is designed for thin RAM coating, and the electromagnetic wave reflectivity performance of RAM containing FSS is analyzed by using the numerical simulation. The influence of FSS design parameters on the...
The distributing map of surface reflectivity of Shanghai city and its adjacent areas is generated by MODIS remote sensing image. According to the surface spectrum features of this area and the changing characters of surface reflectivity caused by MODIS pixels, we explain the distributing map of surface reflectivity as follows. In the fifth wave band of MODIS, the distributing map of surface reflectivity...
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