The problem of parameter inversion in inhomogeneous medium was studied and a generalized ray approximation method to inverse 2-d medium parameters was introduced in this paper.

对非均匀介质参数反演问题进行了研究，并提出了用于反演二维介质参数的广义射线近似方法。

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Based on complex ray method, a paraxial approximation analysis of Gaussian beam transmission through a dielectric radome is presented.

本文根据复射线法对通过介质天线罩的高斯波束场进行近轴近似分析。

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Numerical computations show that paraxial approximation gives almost the same accuracy in the paraxial region as complex ray method but spends much less computer time.

所得数字结果表明，在波束的近轴区域内为获得同样的计算精度，近轴近似法所需要的计算机时间远小于复射线追综法的时间。

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