随着计算机技术、通信技术等快速发展,极大的推进了广播电视事业的发展。广播电视覆盖网规划与管理是一项复杂的工作,同时引起越来越多研究人员的关注。这里介绍了广播电波的传播方式,并对自由空间电波传播也进行了计算与分析,最后对常见的几种电波绕射计算方法进行归纳与总结。 With the rapid development of computer technology and communication technology, it has greatly promoted the development of radio and television businesses. The planning and management of radio and television coverage is a complex task that has aroused more and more researchers’ attention. Here is the propagation of radio waves, and the free-space wave propagation is also calculated and analyzed. Finally, several common calculation methods of radio wave diffraction are summarized and summarized.