本论文的课题来源就是全国无线电短波网络监测数据库系统的设计与应用层面。
The source of this paper's thesis is based on the design of the shortwave monitoring database system .
老牌国际电台有对付审核制度的办法：利用卫星，短波，网络和当地FM电台的组合拳，总能有效解决。
The old international broadcasters have the resources to deal with censorship: the cocktail of satellite, short-wave, Internet and local FM broadcasts offers a powerful mix of solutions.
用改进实频法设计了一个短波天线宽带匹配网络，在简化算法的基础上取得了比较好的性能。
An example, which is to design a broadband matching network for a shortwave antenna by the improved RFM, gains good performance while simplifying the calculation.
阐述了一种全国短波监测网络系统的设计与实现方案。
This paper introduces a schema of design and implementation of national shortwave monitor network system.
网络信道基于跳频和扩频超短波电台。
Network channel is base on frequency hopping and spectrum spread radio stations.
馈电网络是短波多模多馈天线系统的重要组成部分，因此，馈电网络的设计是多模多馈天线系统设计的关键技术，直接分析其结构非常困难。
Feed network is an important part of shortwave multimode multifeed antenna system. The design of feed network is a pivotal technique in the process of projecting antenna system.
馈电网络是短波多模多馈天线系统的重要组成部分，因此，馈电网络的设计是多模多馈天线系统设计的关键技术，直接分析其结构非常困难。
Feed network is an important part of shortwave multimode multifeed antenna system. The design of feed network is a pivotal technique in the process of projecting antenna system.
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