%0 Journal Article
%A DU Yang-fan
%A FANG Cong
%A LI Xiao-hui
%A SHI Xiao-zhu
%T Single Channel Interference Signal Reconstruction and Suppression Algorithm in Low Altitude Small Target Detection
%D 
%R 10.13190/j.jbupt.2020-008
%J Journal of Beijing University of Posts and Telecommunications
%P 143-148
%V 43
%N 5
%X In order to solve the problem that the traditional passive detection algorithm cannot achieve the reference signal reception under a single receiving channel when using mobile communication systems to detect low-altitude small targets, a direct wave suppression algorithm based on interference signal reconstruction was proposed for the detection of low-altitude small targets. Firstly, the mobile communication system is used to perceive the channel transmission environment. On this basis, the interference signals such as direct wave signal and multipath signal are reconstructed by using the time-frequency characteristics of orthogonal frequency division multiplexing. Finally, the direct wave interference in the single receiving channel is suppressed by the extended cancellation algorithm. The simulation results show that the proposed method can improve the echo detection performance and improve the accuracy of low-altitude small target detection in the case of single receiving channel of mobile communication system.
%U https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2020-008