【作者】 吕鹏； 陆明泉； 冯振明；

【Author】 LV Peng,LU Mingquan,FENG Zhenming Department of Electronic Engineering,Tsinghua University,Beijing,100084,China

【机构】 清华大学电子工程系；

【摘要】 本文分析了SINS/GPS紧耦合接收机载波跟踪环的结构形式,对一种速度辅助下载波跟踪环PLL进行了稳定性、准确性及快速性的详细理论分析与数值仿真,结果表明,采用速度辅助载波跟踪环可明显提高卫星导航接收机的抗干扰能力与高动态条件下载波稳定跟踪能力。更多还原

【Abstract】 This article analyzes the structure form of the carrier loop in the SINS/GPS tightly-coupled receiver.Based on velocity aiding,a kind of carrier tracking loop is designed.The stability,the veracity and the rapidity of the loop tracking is calculated and simulated,and the result shows that with the adoption of the velocity aiding to the carrier tracking loop,the GPS Receiver has higher anti-jam ability and stable tracking carrier ability under high dynamic conditions.更多还原