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一種用于測試數(shù)據(jù)壓縮的自適應(yīng)EFDR編碼方法

鄺繼順 周穎波 蔡爍

鄺繼順, 周穎波, 蔡爍. 一種用于測試數(shù)據(jù)壓縮的自適應(yīng)EFDR編碼方法[J]. 電子與信息學(xué)報, 2015, 37(10): 2529-2535. doi: 10.11999/JEIT150177
引用本文: 鄺繼順, 周穎波, 蔡爍. 一種用于測試數(shù)據(jù)壓縮的自適應(yīng)EFDR編碼方法[J]. 電子與信息學(xué)報, 2015, 37(10): 2529-2535. doi: 10.11999/JEIT150177
Kuang Ji-shun, Zhou Ying-bo, Cai Shuo. Adaptive EFDR Coding Method for Test Data Compression[J]. Journal of Electronics & Information Technology, 2015, 37(10): 2529-2535. doi: 10.11999/JEIT150177
Citation: Kuang Ji-shun, Zhou Ying-bo, Cai Shuo. Adaptive EFDR Coding Method for Test Data Compression[J]. Journal of Electronics & Information Technology, 2015, 37(10): 2529-2535. doi: 10.11999/JEIT150177

一種用于測試數(shù)據(jù)壓縮的自適應(yīng)EFDR編碼方法

doi: 10.11999/JEIT150177
基金項目: 

國家自然科學(xué)基金(61472123, 60673085)

Adaptive EFDR Coding Method for Test Data Compression

Funds: 

The National Natural Science Foundation of China (61472123, 60673085)

  • 摘要: 該文提出一種用于測試數(shù)據(jù)壓縮的自適應(yīng)EFDR(Extended Frequency-Directed Run-length)編碼方法。該方法以EFDR編碼為基礎(chǔ),增加了一個用于表示后綴與前綴編碼長度差值的參數(shù)N,對測試集中的每個測試向量,根據(jù)其游程分布情況,選擇最合適的N值進(jìn)行編碼,提高了編碼效率。在解碼方面,編碼后的碼字經(jīng)過簡單的數(shù)學(xué)運算即可恢復(fù)得到原測試數(shù)據(jù)的游程長度,且不同N值下的編碼碼字均可使用相同的解碼電路來解碼,因此解碼電路具有較小的硬件開銷。對ISCAS-89部分標(biāo)準(zhǔn)電路的實驗結(jié)果表明,該方法的平均壓縮率達(dá)到69.87%,較原EFDR編碼方法提高了4.07%。
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  • 文章訪問數(shù):  1246
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  • 被引次數(shù): 0
出版歷程
  • 收稿日期:  2015-02-02
  • 修回日期:  2015-05-21
  • 刊出日期:  2015-10-19

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