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Microwaves are part of radio spectrum the frequency bands in the range of 3 GHz to 30 GHz are characterized as microwave. This part of spectrum has unique capabilities for microwave remote sensing. The microwaves can be used for remote sensing of objects in day as well as in night. They have all weather capability because microwaves can penetrate clouds. The soil moisture can be determined using microwave...
The soil is one of the natural earth material which is produced by withering of rocks. The soil is mix of sand, silt and clay with air pores. The compactness of soil depends upon the percentage of these constituents and the pore size. The dry soil has its dielectric constant which is independent of frequency and so the scattering coefficient also will be independent of frequency for pure dry sand...
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