of the energy flux : of the scattered field. It can be shown that I = Re p Re w in the approximation of single scattering considered here. Here, p of w into the equation for I, one obtains 1= -i(pVp of I into this equation and calculating the integral over of equation (7.6) and taking into account

doi:10.4324/9781482271843-20

Chapter

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ABSTRACT

Here, 1/1 = k(IR - R\I + lRo - R\I-IR - R21 -IRo - R2))' Let us simplify equation (7.10). First, we expand the function 1/1 into a Taylor

series in the small parameters R1.2/ Ro and Ru/ R, retaining linear and quadratic terms. Denoting R' = R\ - R2 and R" = (R\ + R2)/2, the function 1/1 can be expressed in the form

Second, the correlation functions BT(R), BCT(R), Bc(R) and Bij(R) in equation (7.10) are replaced by their spectral densities <l>dK), <l>CT(K), <l>c(K) and <l>ij (K) by making use of equations (6.31), (6.32) and the analogous equations for Bc(R) and BcdR).