Design and Implementation of a FPGA and DSP Based MIMO Radar Imaging System

Radioengineering. 2015;24(2):518-526

 

Journal Homepage

Journal Title: Radioengineering

ISSN: 1210-2512 (Print); 1805-9600 (Online)

Publisher: Spolecnost pro radioelektronicke inzenyrstvi

LCC Subject Category: Technology: Electrical engineering. Electronics. Nuclear engineering

Country of publisher: Czech Republic

Language of fulltext: English

Full-text formats available: PDF

 

AUTHORS

Wei Wang
Dong Liang
Zhihua Wang
Haiyang Yu
Qi Liu

EDITORIAL INFORMATION

Peer review

Editorial Board

Instructions for authors

Time From Submission to Publication: 12 weeks

 

Abstract | Full Text

The work presented in this paper is aimed at the implementation of a real-time multiple-input multiple-output (MIMO) imaging radar used for area surveillance. In this radar, the equivalent virtual array method and time-division technique are applied to make 16 virtual elements synthesized from the MIMO antenna array. The chirp signal generater is based on a combination of direct digital synthesizer (DDS) and phase locked loop (PLL). A signal conditioning circuit is used to deal with the coupling effect within the array. The signal processing platform is based on an efficient field programmable gates array (FPGA) and digital signal processor (DSP) pipeline where a robust beamforming imaging algorithm is running on. The radar system was evaluated through a real field experiment. Imaging capability and real-time performance shown in the results demonstrate the practical feasibility of the implementation.