{"title":"Synthetic Aperture Radar on low power multi-core Digital Signal Processor","authors":"Dan Wang, Murtaza Ali","doi":"10.1109/HPEC.2012.6408665","DOIUrl":null,"url":null,"abstract":"Commercial off-the-self (COTS) components have recently gained popularity in Synthetic Aperture Radar (SAR) applications. The compute capabilities of these devices have advanced to a level where real time processing of complex SAR algorithms have become feasible. In this paper, we focus on a low power multi-core Digital Signal Processor (DSP) from Texas Instruments Inc. and evaluate its capability for SAR signal processing. The specific DSP studied here is an eight-core device, codenamed TMS320C6678, that provides a peak performance of 128 GFLOPS (single precision) for only 10 watts. We describe how the basic SAR operations can be implemented efficiently in such a device. Our results indicate that a baseline SAR range-Doppler algorithm takes around 0.25 second for a 16 M (4K × 4K) image, achieving real-time performance.","PeriodicalId":193020,"journal":{"name":"2012 IEEE Conference on High Performance Extreme Computing","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"26","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 IEEE Conference on High Performance Extreme Computing","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/HPEC.2012.6408665","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 26
Abstract
Commercial off-the-self (COTS) components have recently gained popularity in Synthetic Aperture Radar (SAR) applications. The compute capabilities of these devices have advanced to a level where real time processing of complex SAR algorithms have become feasible. In this paper, we focus on a low power multi-core Digital Signal Processor (DSP) from Texas Instruments Inc. and evaluate its capability for SAR signal processing. The specific DSP studied here is an eight-core device, codenamed TMS320C6678, that provides a peak performance of 128 GFLOPS (single precision) for only 10 watts. We describe how the basic SAR operations can be implemented efficiently in such a device. Our results indicate that a baseline SAR range-Doppler algorithm takes around 0.25 second for a 16 M (4K × 4K) image, achieving real-time performance.
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