摘要
天线自动调谐技术是短波自适应/跳频通信电台中的关键技术之一。要实现天线自动调谐,前提是必须解决天线阻抗的自动测量、匹配网络设计、大功率可调电抗元件选择和快速调谐程序设计与实现等技术难题。文章在简要介绍天线调谐器的功能、组成和技术特性基础上,分析了天线调谐器阻抗匹配网络的电路结构和参数调整方法,给出了自动天线调谐器的调谐算法和调谐程序流程。
The automatic antenna tuning is one of key technologies of short-wave self-adaptive/frequency hopping communication radios. In order to tune the antenna automatically, we must solve these questions like automatic measur- ing of antenna impedance, design of matching network, choosing of reactance component, design of fast tuning pro- grams. The function and constitute of antenna tuner are introduced firstly, the structure of impedance matching network and adjust method of parameter are analyzed. Based on the above work, the tuning algorithms and tuning flow chart are presented.
出处
《仪表技术》
2012年第8期5-8,共4页
Instrumentation Technology
关键词
天线
调谐器
匹配网络
阻抗
驻波比
调谐算法
antenna
tuner
matching network
impedance
standing wave ratio
tuning algorithm
