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Study on Ultra-High Speed SAR Raw Data Recorder Based on Disk Array |
Hong Pu; Wang Yan-fei |
The Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China |
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Abstract In this article, an ultra-high speed SAR raw data recorder based on disk array is introduced, including its construct, working principle, and main features. Two kinds of data packet allocating method are proposed: the sequential allocating method and a dynamic allocating method based on statistical characteristics of the recording ability of each disk, also, the advantages and disadvantages of each method are pointed out. The performance table of two methods is put forward at the end of this article.
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Received: 28 November 2007
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