| 电能质量数据压缩算法研究 |
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| 引用本文： | 杨超颖.电能质量数据压缩算法研究[J].四川电力技术,2012(1):26-30. |
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| 作者姓名： | 杨超颖 |
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| 作者单位： | 山西电力科学研究院,山西太原030001 |
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| 摘 要： | 首先总结了常见的4种数据压缩基本方法,即霍夫曼(Huffman)编码、算术编码、LZ系列编码以及基于小波分析的数据压缩法。重点分析了当前研究和应用比较广泛的3种数据压缩综合算法,即基于离散小波变换、多级树集合分裂(SPIHT)编码和算术编码相结合的数据压缩方法、基于PQzip技术的数据压缩算法和Zlib数据压缩算法,并比较了各自的适用条件及优缺点。最后给出了电能质量数据压缩算法选用的建议。
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| 关 键 词： | 数据压缩 算术编码 SPIHT编码 PQzip Zlib |
Research on Algorithm for Date Compression of Power Quality |
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| Yang Chaoying.Research on Algorithm for Date Compression of Power Quality[J].Sichuan Electric Power Technology,2012(1):26-30. |
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| Authors: | Yang Chaoying |
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| Affiliation: | Yang Chaoying |
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| Abstract: | Four common algorithms for data compression are summarized firstly,i.e.,Huffman coding,arithmetic coding,LZ series coding,and data compression method based on wavelet analysis.Meanwhile,three integrated data compression methods that are current focus of the research and applied widely are analyzed,that is,data compression method based on discrete wavelet transform（DWT）,set partitioning in hierarchical tree（SPIHT） coding and arithmetic coding,data compression method based on PQzip technology and data compression metho with Zlib.Then,their applicable conditions,advantages and disadvantages are compared.Finally,the recommendations for selection of data compression algorithms of power quality are given. |
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| Keywords: | data compression arithmetic coding SPIHT coding PQzip Zlib |
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