摘要
脉压被广泛用于雷达系统以提高系统分辨率.随着宽带雷达的不断发展,雷达脉压点数也在不断增长.本文介绍了一种基于二维分解超长点数FFT算法的超长点数频域脉压实现方法.在TMS320C6678评估板上的试验结果表明,新方法较传统方法效率提升超过20%,单片主频1GHz的C6678完成128K点脉压仅需约0.81ms.
As a wide spread technology in radar systems,pulse compression is used to improve the radar resolution.With the development of wide band radar systems,the points of pulse compression become larger and larger.A method of fast implementation of ultra-long points pulse compression in frequency domain based on 2-D FFT algorithm is proposed.TMS320 C6678 EVM board is used to test the new method.The experiment result shows that the efficiency of the proposed method is improved by more than 20% compared with the traditional methods.128 K points pulse compression can be finished in about 0.81 ms by only one 1 GHz TMS320 C6678 chip.
作者
方志红
FANG Zhi-hong(Key Lab of Aperture Array and Space Application,the 38th Research Instituteof CETC,Hefei,Anhui 230031,China)
出处
《电子学报》
EI
CAS
CSCD
北大核心
2019年第6期1272-1276,共5页
Acta Electronica Sinica
基金
科技部国际合作专项(No.2015DFA10270)
