The GNSS is vulnerable so that it often faces the risk of jamming,and blanket jamming is one of the *** inversion algorithm is a commonly method used to solve this problem,however,the receiver will lose lock when GNSS...
详细信息
The GNSS is vulnerable so that it often faces the risk of jamming,and blanket jamming is one of the *** inversion algorithm is a commonly method used to solve this problem,however,the receiver will lose lock when GNSS satellites are close to RFI *** improve the receiver's anti-jamming performance in this harsh scene,a method of vector tracking loop(VTL) based on despread-respread(DR) algorithm is ***,this paper suppress oppressive ***,local reference signal is reconstructed according to predicted tracking loop ***,beamforming algorithm is *** analysis and simulation experiments verify that the VTL based on DR algorithm can reduce phase discriminator output errors,improve receiver's positioning performance,and has superior anti-jamming performance in harsh *** method proposed in this paper can be applied to arbitrary array without prior information of satellites' directions and is not sensitive to the error of *** to VTL based on EIG,VTL based on DR algorithm has lower complexity.
暂无评论