• K P Singh

      Articles written in Journal of Earth System Science

    • Study of microwave response of coal and sandstone samples

      R Singh Ramesh P Singh K P Singh

      More Details Abstract Fulltext PDF

      Detailed measurements of relative dielectric constant and loss tangent of coal and sandstone samples have been carried out in the X-band of microwave frequency range (8–10 GHz). The effect of moisture, saline and petrol content on the dielectric and loss tangent has been studied. The reflection and transmission coefficient of these samples have been computed. The application of such measurements to geophysical prospecting has been discussed.

    • Measurements of reflection coefficients of stratified layers using X-band bistatic scatterometers

      K K Jha K P Singh R N Singh

      More Details Abstract Fulltext PDF

      Laboratory modelling of earth’s subsurface stratification has been carried out using X-band microwave bistatic scatterometer system. Look angle variation of reflectivity for various subsurface layers under dry and wet conditions have been measured. From measured reflectivity data and the reciprocity theorem the emissivity and the brightness temperature variations have been computed, and the data are in good agreement with reported results. The importance of laboratory and field measurements and its remote sensing application has been discussed.

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