| FCT网络的并发错误检测结构 |
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| 引用本文： | 陈禾,毛志刚,叶以正. FCT网络的并发错误检测结构[J]. 计算机研究与发展, 1999, 36(10): 1246-1252 |
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| 作者姓名： | 陈禾 毛志刚 叶以正 |
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| 作者单位： | 哈尔滨工业大学微电子中心,哈尔滨,150001 |
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| 摘 要： | 文中提出了一种快速离散余弦变换电路的开发错误检测结构。为了达到１００％的故障覆盖率，ＦＣＴ采用基于第３类离散余弦变换的Ｂ．Ｇ．Ｌｃｅ算法蝶型结构实现。
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| 关 键 词： | 快速离散余弦变换 并发错误检测 基于算法的容错技术 吞吐量 故障覆盖率 |
A CONCURRENT ERROR DETECTION SCHEME FOR FCT NETWORKS |
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| CHEN He,MAO Zhi-Gang,YE Yi-Zheng. A CONCURRENT ERROR DETECTION SCHEME FOR FCT NETWORKS[J]. Journal of Computer Research and Development, 1999, 36(10): 1246-1252 |
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| Authors: | CHEN He MAO Zhi-Gang YE Yi-Zheng |
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| Abstract: | A concurrent error detection(CED) design is proposed for fast discrete cosine transform(FCT). To achieve the goal of 100 percent fault coverage, FCT is realized by using a butterfly architecture of the B.G.Lee fast algorithm based on DCT|III. Algorithm|based fault tolerance(ABFT) is used for error detection because ABFT is a low|cost system|level concurrent error detection and fault location scheme. The error detection capability of this scheme is analyzed. When the FCT is implemented with hardware, errors due to finite word length is unavoidable. So the influence of large truncation errors on the throughput and fault coverage is discussed and a conclusion is obtained. |
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| Keywords: | fast discrete cosine transform concurrent error detection algorithm|based fault tolerance throughput fault coverage |
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