radio transmission technology

This dissertation focuses on key technology of software antenna. The main work as followings: This dissertation investigated about the radio transmission model.

本文围绕软件天线关键技术进行研究，主要工作如下：首先研究了无线电传播模型。

With the invention of the radio technology, the radio news transmission in TV technology greatly enhance the timeliness, appear in the absolute, TV after leading position.

随着无线电技术的发明，广播在新闻传递方面时效性大大增强，电视技术出现后，电视处于绝对的领先位置。

It was only after the advent of microwave communication technology that it became possible for radio technology to be applied in full scale to the field where cable transmission had been dominant.

只有在微波通信技术出现以后，才能在原电缆传输占主要地位的领域中大规模采用无线技术。