Detection and orientation for Inmarsat satellite uplink signal based on pseudo-noise resampling
Received date: 2016-01-07
Online published: 2017-12-30
Pseudo-noise resampling (PR) is applied to uniform circular array (UCA) to find the direction of arrival (DOA) of Inmarsat satellite uplink signal based on ROOTMUSIC. To improve the DOA resolution at low SNR, a new estimation algorithm is proposed based on means and standard deviations of pre-estimate. Meanwhile, performance computations are carried out under different pre-estimation conditions due to different statistical data. Simulations show that the proposed scheme can significantly improve the DOA resolution at low signal noise ratio (SNR) compared with the conventional ROOTMUSIC algorithm.
WANG Jiadong1,2,3, WANG Xiaojiang1,2,3, NIU Liying1,2,3, ZHENG Guoxin1,2,3 . Detection and orientation for Inmarsat satellite uplink signal based on pseudo-noise resampling[J]. Journal of Shanghai University, 2017 , 23(6) : 865 . DOI: 10.12066/j.issn.1007-2861.1752
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