Efficient weak manoeuvring target detection method for DSSS signal

被引:6
作者
Cui, Wei [1 ]
Wu, Shuang [1 ]
Tian, Jing [1 ]
Shao, Shenghui [1 ]
Wu, Siliang [1 ]
机构
[1] Beijing Inst Technol, Dept Elect & Informat, Beijing 100081, Peoples R China
关键词
radiofrequency identification; microswitches; chipless tag; RF MEMS switch; radiofrequency identification tag; microelectromechanical system technology; UHF band; basic fabrication process; programmable elements; RFID interrogators;
D O I
10.1049/el.2014.2633
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A novel efficient detection method is proposed for radar transmitting direct sequences spread spectrum (DSSS) signals with high dynamics in the low signal-to-noise ratio (SNR) scenario. The core idea of the proposed method is first to eliminate the linear code phase drift via keystone transform (KT), then the derived modified Radon-Fourier transform (MRFT) is employed to accumulate the energy of the target effectively to achieve target detection and parameter estimation. Compared with the generalised RFT (GRFT) method, the proposed method has a similar detection performance, but requires much lower computational burden. Simulation results verify the validity of the proposed method.
引用
收藏
页码:1740 / U126
页数:2
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