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在固定业务的电台中,天线都是在地面上架设的,天线辐射的电波免不了要受地面反射的影响,因此反射场地的导电性能如何,一般认为是选择台址时所要考虑的一个重要问题。它的重要性究竟有多大,本文将作—些定量的分析。为了使我们的分析尽量连系实际情况,讨论的范围将只限于各种地面在短波段水平
In the fixed service stations, the antennas are erected on the ground. The radio waves radiated by the antenna are inevitably affected by the ground reflection. Therefore, it is generally considered to be an important issue to consider when selecting the site. How important it is, this article will be - some quantitative analysis. In order to keep our analysis as close as possible to the actual situation, the scope of the discussion will be limited to a variety of ground levels in the short wave band