关于北斗导航射频电路抗干扰设计方法研究

Study on anti-interference design method of radio frequency circuit in Beidou

在卫星导航日益普及的情况下,用户对于接收机终端的安全可靠性以及抗干扰能力有了更高的要求。当前,研发射频电路板的环节,防止干扰信号与射频电路需接收处理的信号混合,有效地减少系统受到的电磁干扰成为不断提升产品经济效益的关键技术。如果不能良好地削弱干扰信号,那么在处理射频电路信号期间会引发诸多问题,降低产品的可用性。鉴于此,文章分析了北斗导航射频电路抗干扰设计方法,为实践工作提供有价值的指导。

With the increasing popularity of satellite navigation,users have higher requirements for the safety,reliability and antiinterference ability of receiver terminals.At present,the research and development of RF circuit board links to prevent interference signals and RF circuits need to receive and process the signal mixing,effectively reduce the electromagnetic interference system is a key technology to continuously improve the economic benefits of products.If the interference signal can not be weakened well,it will cause many problems during the processing of RF circuit signal and reduce the availability of the product.In view of this,this paper analyzes the anti-interference design method of Beidou navigation radio frequency circuit,and provides valuable guidance for practical work.