电波传播特性对于陆地移动通信网络的规划、设计和优化至关重要 ,目前有很多方法 ,如统计法 ,几何光学法等 ,可以用来解决此类问题。本文提出采用基于矩量法的快速算法来进行电波传播的研究。通过本文方法与一般矩量法的数值结果相比较 ,说明本文方法的快速性和一致性 ;用本文方法和几何绕射法相比较 ,验证了本方法的正确性和有效性。 Radio propagation characteristics are crucial for the planning, design and optimization of terrestrial mobile communications networks. There are currently many methods, such as statistical methods and geometrical optics, that can be used to solve such problems. In this paper, a fast algorithm based on moment method is proposed to study the radio propagation. Compared with the numerical results of the general method of moments, this paper shows the rapidity and consistency of the method in this paper. Compared with the geometric diffraction method, the correctness and effectiveness of this method are verified.