Airborne C-SAR (Synthetic Aperture Radar) real-time imaging system

Author

Liu Jing ; Wu Jing-wei ; Wang Zhi-rui ; Hu Qing-rong

Author_Institution

Beijing Inst. of Radio Meas., Beijing

fYear

2007

fDate

5-9 Nov. 2007

Firstpage

675

Lastpage

679

Abstract

This paper presents the design of one real-time imaging system in airborne C-band Synthetic Aperture Radar. The real-time imaging algorithm based on subaperture-division is described in detail. In order to meet real-time signal processing the signal processing board with 8 ADSP-TS201S digital signal processors and 2GB SDRAM is designed. This system has excellent real-time processing ability and tremendous data throughput and high expansibility. Finally the raw data of other airborne SAR is used in our real-time imaging system. The image is shown and the processing time is estimated. The results validate the feasibility of our system.

Keywords

DRAM chips; airborne radar; digital signal processing chips; radar imaging; real-time systems; synthetic aperture radar; ADSP-TS201S digital signal processors; SDRAM; airborne C-SAR; chirp scaling algorithm; real-time imaging system; real-time signal processing; signal processing board; subaperture-division; synthetic aperture radar; Azimuth; Focusing; High-resolution imaging; Image resolution; Interpolation; Layout; Optical imaging; Real time systems; Signal processing algorithms; Synthetic aperture radar; ADSP-TS201S signal processor; Chirp Scaling algorithm; Subaperture-Division; Synthetic Aperture Radar;

fLanguage

English

Publisher

ieee

Conference_Titel

Synthetic Aperture Radar, 2007. APSAR 2007. 1st Asian and Pacific Conference on

Conference_Location

Huangshan

Print_ISBN

978-1-4244-1188-7

Electronic_ISBN

978-1-4244-1188-7

Type

conf

DOI

10.1109/APSAR.2007.4418703

Filename

4418703