微分散射截面，是如果未发生散射时粒子束所通过的平面的面元，与发生散射时粒子束所通过的立体角元所在球面的面元，二者面积的比值。
共极化微分散射截面与交叉极化微分散射截面的比值随降雨率的增大而增大。
The ratio of co-polarization differential scattering section to cross-polarization differential scattering section increases versus the increase of rain rate.
微分散射截面的变化主要依赖于相对介电常数实部、虚部数值较大的一方，并且随粒子取向角的增大而增大。
The variation of DSCS depends on the larger part between real part and imaginary part of dielectric coefficient. The DSCS and azimuth angle are in proportional relation.
应用推荐