摘要
随着GNSS在全球的广泛应用,其信号易受干扰的脆弱性也日渐显露,对干扰信号的检测与削弱也日益受到各国关注。随着人们对GNSS核心PNT地位的质疑声逐渐加大,美国PNT咨询委员会提出了PTA政策,旨在通过保护、强化和增强GPS以满足用户的PNT需求。本文将对美国PTA政策进行详细地解读和分析。
With the widely application of GNSS,the vulnerability of its signal to interference becomes visible.Meanwhile,attention has been attracted to the detection and mitigation of interference.Due to the increasing query of GNSS which is the core of PNT,PTA policy has been mentioned by PNT advisory board of America to Protect,Toughen and Augment GPS so as to meet the PNT needs of users＇.
出处
《全球定位系统》
CSCD
2015年第4期65-68,76,共5页
Gnss World of China
