A Real-time SAR Imaging System Based on CPU-GPU Heterogeneous Platform

被引：0

作者：

Wu, Yewei ^{[1
]}

Chen, Jun ^{[1
]}

Zhang, Hongqun ^{[1
]}

机构：

[1] Chinese Acad Sci, Ctr Earth Observat & Digital Earth, Beijing, Peoples R China

来源：

PROCEEDINGS OF 2012 IEEE 11TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING (ICSP) VOLS 1-3 | 2012年

关键词：

SAR imaging; CPU-GPU heterogeneous parallel system; CUDA;

D O I：

暂无

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：

With the features of exceptional computing power, low-cost, low power consumption characteristics, the CPU-GPU heterogeneous platform provides an alternative choice for high performance parallel computing. This paper introduces an efficient SAR imaging system design and implementation, which is based on such heterogeneous platform. Tested with Envisat ASAR raw data, the system meets the demands of real-time SAR processing. Furthermore, GPU-based imaging results in a 13 times speed up than multithreaded CPU implementation.

引用

页码：461 / 464

页数：4

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