The Numerical Steepest Descent Path Method for Calculating Physical Optics Integrals on Smooth Conducting Quadratic Surfaces

@article{Wu2013TheNS,
  title={The Numerical Steepest Descent Path Method for Calculating Physical Optics Integrals on Smooth Conducting Quadratic Surfaces},
  author={Yu Mao Wu and Li Jun Jiang and Wei E. I. Sha and Weng Cho Chew},
  journal={IEEE Transactions on Antennas and Propagation},
  year={2013},
  volume={61},
  pages={4183-4193}
}
In this paper, we use the numerical steepest descent path (NSDP) method to analyze the highly oscillatory physical optics (PO) integral on smooth conducting parabolic surfaces, including both monostatic and bistatic cases. Quadratic variations of the amplitude and phase functions are used to approximate the integrand of PO integral. Then the surface PO integral is reduced into several highly oscillatory line integrals. By invoking the NSDP method, these highly oscillatory PO line integrals are… CONTINUE READING

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