本文主要研究频域数值计算方法，可分为高频近似方法和低频数值方法。本文提出了在图形硬件上统一处理目标可见性判断和电磁散射计算框架，能够正确地判断可见棱边，并且真正实现了实时一阶高频电磁散射计算。

-This paper studies the frequency domain numerical methods, approximation methods can be divided into high and low frequency numerical methods. This paper presents a unified treatment in the graphics hardware target visibility and electromagnetic scattering calculations to determine the framework, able to correctly determine the visible edge, and realize real-time first-order high-frequency electromagnetic scattering.