摘要
正交波形设计一直是多基地雷达中的研究热点。将低相关区间(LCZ)序列引入多基地雷达,以该序列作为发射信号的回波信号与多基地雷达的发射信号进行匹配滤波以后,其相关输出在主峰附近将保持近乎理想的自相关和互相关特性,因此对强多址干扰具有很好的抑制效果。采用交织方法构造低相关区间序列,并给出了LCZ序列在多基地雷达中的应用方法及检测和估计性能的Matlab仿真,仿真结果表明,LCZ序列可以有效地解决多址干扰问题。
Orthogonal waveform design is a focus area of multi-static radar all the time. In this paper,the LCZ code is introducedinto multi-static radar as transmitting signal,after the echo is processed by matched filtering with all the transmitted signals,the output nearby main-lobe retains almost ideal characteristics of autocorrelation and cross correlation. And so,the multiple access interference can be rejected. The LCZ code is generated through interleaving technique,the application of LCZ code in multi-static radar is given,and it is verified by simulation results that the problem of multiple access can be resolved effectively.
出处
《无线电工程》
2018年第1期64-67,共4页
Radio Engineering
基金
河北省博士后科学基金资助项目(B2016003032)
关键词
多基地雷达
多址干扰
低相关区间序列
multi-static radar
multiple access interference
low correlation zone code
