Article(id=1156963929424482903, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156963927277003616, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2401129, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1708358400000, receivedDateStr=2024-02-20, revisedDate=1734192000000, revisedDateStr=2024-12-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1753771296124, onlineDateStr=2025-07-29, pubDate=1742227200000, pubDateStr=2025-03-18, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753771296124, onlineIssueDateStr=2025-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753771296124, creator=13701087609, updateTime=1753771296124, updator=13701087609, issue=Issue{id=1156963927277003616, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='8', pageStart='3079', pageEnd='3528', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1753771295613, creator=13701087609, updateTime=1753777038876, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1156988016305726153, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156963927277003616, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1156988016305726154, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156963927277003616, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=3304, endPage=3315, ext={EN=ArticleExt(id=1156963930359812703, articleId=1156963929424482903, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Data Compression Algorithms for Bridge Health Monitoring, columnId=1156963928489157478, journalTitle=Science Technology and Engineering, columnName=Automation and Computational Technology, runingTitle=null, highlight=null, articleAbstract=
The bridge health monitoring system based on sensor data acquisition has become standard for new bridge construction. However, this scenario presents challenges due to the massive volume of monitoring data that is difficult to store. Therefore, focusing on the time-series characteristics of bridge monitoring data, compression schemes were explored for bridge monitoring data. Differential compression was investigated based on the arithmetic progression properties of bridge monitoring timestamps and floating-point exclusive OR(XOR) compression based on the low frequency of changes in monitoring value data. Compared to the Gorilla time series database algorithm, the XOR compression method added control bits to avoid degradation of compression results. Experimental analysis reveals that both algorithms exhibit varying degrees of superiority over common compressors. The differential compression of timestamp sequences demonstrates superior compression rates compared to common compressors, achieving a compression rate of 0.015 6 for timestamp sequences that conform to arithmetic progression characteristics, approaching the compression limit value. Compression and decompression speeds are above average, and the method is insensitive to monitoring type. On the other hand, the XOR compression method performs well on datasets with low frequency of change, achieving compression rates of 0. 302 8 for bridge data and 0. 662 8 for non-bridge data, indicating sensitivity of the XOR compression method to monitoring type. In practical applications of bridge monitoring, suitable compression storage schemes can be selected based on the characteristics of the bridge monitoring dataset.
, correspAuthors=Liu YANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Ken CHEN, Ai-ping ZHONG, Yu-xuan WEN, Yang YANG, Wei LI, Shan ZENG, Jun WANG, Qu-shan TAN, Liu YANG), CN=ArticleExt(id=1156963964476281532, articleId=1156963929424482903, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=面向桥梁健康监测的数据压缩算法, columnId=1154013913436902243, journalTitle=科学技术与工程, columnName=自动化技术、计算机技术, runingTitle=null, highlight=null, articleAbstract=
基于传感器数据采集的桥梁健康监测系统已经成为新建桥梁的标配,在这种场景下所带来的是海量监测数据难以存储的问题。因此,针对桥梁监测数据的时间序列特性,研究桥梁监测数据的压缩方案,该方案研究了基于桥梁监测时间戳数据等差数列性质的差量压缩法和基于监测值数据变化频率不大的浮点数异或(exclusive OR, XOR)压缩法。与Gorilla 时序数据库的算法相比,增加了异或压缩法的控制位,避免了压缩结果的恶化。通过实验分析得出,两算法对比常用压缩器有不同程度的优势,时间戳序列差量压缩法在压缩率上优于常用压缩器,针对符合等差数列特性的时间戳序列,压缩率0.0156,接近压缩极限值,压缩解压速度位居中上,并且对监测类型不敏感。而异或压缩法在变化频率不大的数据集上表现较好,压缩率0.3028,在非桥梁数据集上压缩率0.6628,表明异或压缩法对监测类型比较敏感。在桥梁监测的实际应用场景中,可以根据桥梁监测数据集的特点选择合适的压缩存储方案。
, correspAuthors=杨柳, authorNote=null, correspAuthorsNote=
*杨柳(1978-),女,汉族,四川达州人,博士,高级工程师。研究方向:移动通信与工程信息化。E-mail: yangliu@swjtu.edu.cn。
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陈垦(1986—),男,汉族,四川乐山人,博士,正高级工程师。研究方向:智慧交通与人工智能。E-mail:ck@scsz.com。
, authorsList=陈垦, 钟爱平, 文煜轩, 杨洋, 李伟, 曾山, 王俊, 谭屈山, 杨柳)}, authors=[Author(id=1156986713206772720, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=ck@scsz.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1156986713261298674, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, authorId=1156986713206772720, language=EN, stringName=Ken CHEN, firstName=Ken, middleName=null, lastName=CHEN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 Sichuan Digital Transpotation Tech Co., Ltd. Chengdu 610095 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1156986713307436019, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, authorId=1156986713206772720, language=CN, stringName=陈垦, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 四川数字交通科技股份有限公司 成都 610095, bio={"content":"
陈垦(1986—),男,汉族,四川乐山人,博士,正高级工程师。研究方向:智慧交通与人工智能。E-mail:ck@scsz.com。
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陈垦(1986—),男,汉族,四川乐山人,博士,正高级工程师。研究方向:智慧交通与人工智能。E-mail:ck@scsz.com。
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2 National Engineering Laboratory of Integrated Transportation Big Data Application Technology Southwest Jiaotong University Chengdu 611756 China
3 School of Information Science and Technology Southwest Jiaotong University Chengdu 611756 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1156986713634591742, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, authorId=1156986713508762618, language=CN, stringName=文煜轩, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 西南交通大学 综合交通大数据应用技术国家工程实验室 成都 611756
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2 National Engineering Laboratory of Integrated Transportation Big Data Application Technology Southwest Jiaotong University Chengdu 611756 China), AuthorCompanyExt(id=1156986713089332203, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, companyId=1156986713076749289, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 西南交通大学 综合交通大数据应用技术国家工程实验室 成都 611756)]), AuthorCompany(id=1156986713152246764, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, xref=3, ext=[AuthorCompanyExt(id=1156986713160635373, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, companyId=1156986713152246764, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3 西南交通大学 信息科学与技术学院 成都 611756)])]), Author(id=1156986713676534784, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1156986713731059713, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, authorId=1156986713676534784, language=EN, stringName=Yang YANG, firstName=Yang, middleName=null, lastName=YANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 Sichuan Digital Transpotation Tech Co., Ltd. Chengdu 610095 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1156986713785585666, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, authorId=1156986713676534784, language=CN, stringName=杨洋, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 四川数字交通科技股份有限公司 成都 610095, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1156986708815336422, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, xref=1, ext=[AuthorCompanyExt(id=1156986708823725031, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, companyId=1156986708815336422, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 Sichuan Digital Transpotation Tech Co., Ltd. Chengdu 610095 China), AuthorCompanyExt(id=1156986713030611944, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, companyId=1156986708815336422, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 四川数字交通科技股份有限公司 成都 610095)])]), Author(id=1156986713873666053, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1156986713940774919, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, authorId=1156986713873666053, language=EN, stringName=Wei LI, firstName=Wei, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 Sichuan Digital Transpotation Tech Co., Ltd. Chengdu 610095 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1156986714095964168, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, authorId=1156986713873666053, language=CN, stringName=李伟, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 National Engineering Laboratory of Integrated Transportation Big Data Application Technology Southwest Jiaotong University Chengdu 611756 China
3 School of Information Science and Technology Southwest Jiaotong University Chengdu 611756 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1156986714293096462, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, authorId=1156986714154684426, language=CN, stringName=曾山, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 西南交通大学 综合交通大数据应用技术国家工程实验室 成都 611756
3 西南交通大学 信息科学与技术学院 成都 611756, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1156986713076749289, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, xref=2, ext=[AuthorCompanyExt(id=1156986713080943594, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, companyId=1156986713076749289, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 National Engineering Laboratory of Integrated Transportation Big Data Application Technology Southwest Jiaotong University Chengdu 611756 China), AuthorCompanyExt(id=1156986713089332203, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, companyId=1156986713076749289, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1830(1): 012022., articleTitle=Text file compression using hybrid run length encoding (RLE) algorithm with even rodeh code (ERC) and variable length binary encoding (VLBE) to save storage space, refAbstract=null)], funds=[Fund(id=1156986735046512774, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, awardId=2022JDR0356, language=CN, fundingSource=四川省科技创新基地(平台)和人才计划(2022JDR0356), fundOrder=null, country=null), Fund(id=1156986735117815943, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, awardId=2021JDR0101, language=CN, fundingSource=四川省科技计划(软科学项目)(2021JDR0101), fundOrder=null, country=null), Fund(id=1156986735168147592, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, awardId=SWJTU2021020005, language=CN, fundingSource=宜宾市双城市校协议专项科研经费科技项目(SWJTU2021020005), fundOrder=null, country=null), Fund(id=1156986735226867849, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, awardId=2022ZD0115600, language=CN, fundingSource=新一代人工智能国家科技重大专项(2022ZD0115600), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1156986708815336422, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, xref=1, ext=[AuthorCompanyExt(id=1156986708823725031, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, companyId=1156986708815336422, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1 四川数字交通科技股份有限公司 成都 610095)]), AuthorCompany(id=1156986713076749289, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, xref=2, ext=[AuthorCompanyExt(id=1156986713080943594, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, companyId=1156986713076749289, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 西南交通大学 综合交通大数据应用技术国家工程实验室 成都 611756)]), AuthorCompany(id=1156986713152246764, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, xref=3, ext=[AuthorCompanyExt(id=1156986713160635373, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, companyId=1156986713152246764, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3 西南交通大学 信息科学与技术学院 成都 611756)])], figs=[ArticleFig(id=1156986732206968920, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Fig. 1, caption=
Second-difference method data compression workflow diagram, figureFileSmall=ElTJU4F28PLa5NIz9tr4IQ==, figureFileBig=Ch4nNKKqwxWt9R/ePx7ZYg==, tableContent=null), ArticleFig(id=1156986732253106265, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=图1, caption=
二次差分法数据压缩流程图, figureFileSmall=ElTJU4F28PLa5NIz9tr4IQ==, figureFileBig=Ch4nNKKqwxWt9R/ePx7ZYg==, tableContent=null), ArticleFig(id=1156986732303437914, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Fig. 2, caption=
Floating-point XOR-difference compression workflow diagram, figureFileSmall=E0xndZ1IHGKOaahq0pJu3A==, figureFileBig=QyqVDfm0lBsTEFwlDLFNdA==, tableContent=null), ArticleFig(id=1156986732357963867, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=图2, caption=
浮点数异或差分压缩流程图, figureFileSmall=E0xndZ1IHGKOaahq0pJu3A==, figureFileBig=QyqVDfm0lBsTEFwlDLFNdA==, tableContent=null), ArticleFig(id=1156986732395712604, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Fig. 3, caption=
Time-domain features of displacement, stress and temperature, figureFileSmall=ZB+0A+T0eso0Oa7VOpGh0A==, figureFileBig=+eeuJBMt1lL197n7XsuiJA==, tableContent=null), ArticleFig(id=1156986732441849949, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=图3, caption=
位移、应力和温度时域特征, figureFileSmall=ZB+0A+T0eso0Oa7VOpGh0A==, figureFileBig=+eeuJBMt1lL197n7XsuiJA==, tableContent=null), ArticleFig(id=1156986732487987294, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Fig. 4, caption=
Characteristics of atmospheric pressure dataset, figureFileSmall=j7fFCkHN11HFzqoS9XLukA==, figureFileBig=Vh1j0HcwNxc6x+YIqe+fRQ==, tableContent=null), ArticleFig(id=1156986732534124639, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=图4, caption=
大气压数据集特征, figureFileSmall=j7fFCkHN11HFzqoS9XLukA==, figureFileBig=Vh1j0HcwNxc6x+YIqe+fRQ==, tableContent=null), ArticleFig(id=1156986732580261984, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 1, caption=
Sensor type distribution, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 监测内容编码 | 监测指标 | 数量/个 | 采样频率 $/\mathrm{{Hz}}$ |
| 1 | MonConCode_1 | 应力 | 60 ~70 | 25 或 1 |
| 2 | MonConCode_2 | 风速 | 5~10 | 1 |
| 3 | MonConCode_3 | 风向 | 5~10 | 1 |
| 4 | MonConCode_4 | 湿度 | 5~10 | 1 |
| 5 | MonConCode_5 | 索力 | ${40}\sim {45}$ | < 1 |
| 6 | MonConCode_6 | 温度 | $5 \sim {10}$ | 50 或 1 |
| 7 | MonConCode_7 | 位移 | $5 \sim {10}$ | 1 |
| 8 | MonConCode_8 | 振动 | 30~40 | 50 或 20 |
), ArticleFig(id=1156986732634787937, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表1, caption=
传感器类型分布, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 监测内容编码 | 监测指标 | 数量/个 | 采样频率 $/\mathrm{{Hz}}$ |
| 1 | MonConCode_1 | 应力 | 60 ~70 | 25 或 1 |
| 2 | MonConCode_2 | 风速 | 5~10 | 1 |
| 3 | MonConCode_3 | 风向 | 5~10 | 1 |
| 4 | MonConCode_4 | 湿度 | 5~10 | 1 |
| 5 | MonConCode_5 | 索力 | ${40}\sim {45}$ | < 1 |
| 6 | MonConCode_6 | 温度 | $5 \sim {10}$ | 50 或 1 |
| 7 | MonConCode_7 | 位移 | $5 \sim {10}$ | 1 |
| 8 | MonConCode_8 | 振动 | 30~40 | 50 或 20 |
), ArticleFig(id=1156986732689313890, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 2, caption=
Example of difference method, figureFileSmall=null, figureFileBig=null, tableContent=
| ${T}_{n}$ | 时间标签 | UNIX 时间戳 | ${D}_{n}$ |
| ${T}_{1}$ | 2021/1/200:00:00.000 | 1609516800000 | 1609516800000 |
| ${T}_{2}$ | 2021/1/200:00.040 | 1609516800040 | 40 |
| ${T}_{3}$ | 2021/1/200:00:00.080 | 1609516800080 | 40 |
| ${T}_{4}$ | 2021/1/200:00:00.120 | 1609516800120 | 40 |
| ${T}_{5}$ | 2021/1/200:00:00.159 | 1609516800159 | 39 |
), ArticleFig(id=1156986732735451235, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表2, caption=
差值法示例, figureFileSmall=null, figureFileBig=null, tableContent=
| ${T}_{n}$ | 时间标签 | UNIX 时间戳 | ${D}_{n}$ |
| ${T}_{1}$ | 2021/1/200:00:00.000 | 1609516800000 | 1609516800000 |
| ${T}_{2}$ | 2021/1/200:00.040 | 1609516800040 | 40 |
| ${T}_{3}$ | 2021/1/200:00:00.080 | 1609516800080 | 40 |
| ${T}_{4}$ | 2021/1/200:00:00.120 | 1609516800120 | 40 |
| ${T}_{5}$ | 2021/1/200:00:00.159 | 1609516800159 | 39 |
), ArticleFig(id=1156986732794171492, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 3, caption=
Example of the second difference method, figureFileSmall=null, figureFileBig=null, tableContent=
| ${T}_{n}$ | 时间标签 | UNIX 时间戳 | ${D}_{n}$ | $\Delta {D}_{n}$ |
| ${T}_{1}$ | 2021/1/200:00:00.000 | 1609516800000 | 1609516800000 | 1609516800000 |
| ${T}_{2}$ | 2021/1/200:00:00.040 | 1609516800040 | 40 | 40 |
| ${T}_{3}$ | 2021/1/200:00:00.080 | 1609516800080 | 40 | 0 |
| ${T}_{4}$ | 2021/1/200:00:00.120 | 1609516800120 | 40 | 0 |
| ${T}_{5}$ | 2021/1/200:00:00.159 | 1609516800159 | 39 | -1 |
), ArticleFig(id=1156986732857086053, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表3, caption=
二次差分法示例, figureFileSmall=null, figureFileBig=null, tableContent=
| ${T}_{n}$ | 时间标签 | UNIX 时间戳 | ${D}_{n}$ | $\Delta {D}_{n}$ |
| ${T}_{1}$ | 2021/1/200:00:00.000 | 1609516800000 | 1609516800000 | 1609516800000 |
| ${T}_{2}$ | 2021/1/200:00:00.040 | 1609516800040 | 40 | 40 |
| ${T}_{3}$ | 2021/1/200:00:00.080 | 1609516800080 | 40 | 0 |
| ${T}_{4}$ | 2021/1/200:00:00.120 | 1609516800120 | 40 | 0 |
| ${T}_{5}$ | 2021/1/200:00:00.159 | 1609516800159 | 39 | -1 |
), ArticleFig(id=1156986732907417702, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 4, caption=
Coding rules for second-order finite difference method, figureFileSmall=null, figureFileBig=null, tableContent=
| $\Delta {D}_{n}$ | 控制位 | 编码后长度/bit |
| 0 | 0 | 1 |
| $\left\lbrack {-{63},{64}}\right\rbrack$ | 10 | $2 + 7 = 9$ |
| $\left\lbrack {-{255},{256}}\right\rbrack$ | 110 | $3 + 9 ={12}$ |
| $\left\lbrack {-{2047},{2048}}\right\rbrack$ | 1110 | $4 +{12}= {16}$ |
| $>{2048}$ | 1111 | $4 +{64}= {68}$ |
), ArticleFig(id=1156986732987109479, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表4, caption=
二次差分法控制位编码规则, figureFileSmall=null, figureFileBig=null, tableContent=
| $\Delta {D}_{n}$ | 控制位 | 编码后长度/bit |
| 0 | 0 | 1 |
| $\left\lbrack {-{63},{64}}\right\rbrack$ | 10 | $2 + 7 = 9$ |
| $\left\lbrack {-{255},{256}}\right\rbrack$ | 110 | $3 + 9 ={12}$ |
| $\left\lbrack {-{2047},{2048}}\right\rbrack$ | 1110 | $4 +{12}= {16}$ |
| $>{2048}$ | 1111 | $4 +{64}= {68}$ |
), ArticleFig(id=1156986733070995560, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 5, caption=
Encoding results of the second-order finite difference method, figureFileSmall=null, figureFileBig=null, tableContent=
| ${T}_{n}$ | UNIX 时间戳 | ${D}_{n}$ | $\Delta {D}_{n}$ | 编码结果 |
| ${T}_{1}$ | 1609516800000 | 1609516800000 | 1609516800000 | 1609516800000 |
| ${T}_{2}$ | 1609516800040 | 40 | 40 | 0b100101000 |
| ${T}_{3}$ | 1609516800080 | 40 | 0 | 0b0 |
| ${T}_{4}$ | 1609516800120 | 40 | 0 | 0b0 |
| ${T}_{5}$ | 1609516800159 | 39 | -1 | 0b101000001 |
), ArticleFig(id=1156986733146493033, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表5, caption=
二次差分法编码结果, figureFileSmall=null, figureFileBig=null, tableContent=
| ${T}_{n}$ | UNIX 时间戳 | ${D}_{n}$ | $\Delta {D}_{n}$ | 编码结果 |
| ${T}_{1}$ | 1609516800000 | 1609516800000 | 1609516800000 | 1609516800000 |
| ${T}_{2}$ | 1609516800040 | 40 | 40 | 0b100101000 |
| ${T}_{3}$ | 1609516800080 | 40 | 0 | 0b0 |
| ${T}_{4}$ | 1609516800120 | 40 | 0 | 0b0 |
| ${T}_{5}$ | 1609516800159 | 39 | -1 | 0b101000001 |
), ArticleFig(id=1156986733221990506, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 6, caption=
Binary representation of partial data from displacement sensor, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据值 | 二进制表示 |
| 2 442.656 2 | 01000101 00011000 10101010 10000000 |
| 2 442.687 5 | 01000101 00011000 10101011 00000000 |
| 2 442.687 5 | 01000101 00011000 10101011 00000000 |
| 2 442.656 2 | 01000101 00011000 10101010 10000000 |
| 2 442.625 0 | 01000101 00011000 10101010 00000000 |
), ArticleFig(id=1156986733272322155, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表6, caption=
位移传感器部分数据二进制表示, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据值 | 二进制表示 |
| 2 442.656 2 | 01000101 00011000 10101010 10000000 |
| 2 442.687 5 | 01000101 00011000 10101011 00000000 |
| 2 442.687 5 | 01000101 00011000 10101011 00000000 |
| 2 442.656 2 | 01000101 00011000 10101010 10000000 |
| 2 442.625 0 | 01000101 00011000 10101010 00000000 |
), ArticleFig(id=1156986733335236716, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 7, caption=
XOR operation result of the case, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据值 | 二进制表示 | 异或结果 |
| 2 442.656 2 | 01000101 00011000 10101010 10000000 | 01000101 00011000 10101010 10000000 |
| 2 442.687 5 | 01000101 00011000 10101011 00000000 | 00000000 00000000 00000001 10000000 |
| 2 442.687 5 | 01000101 0001100 010101011 00000000 | 00000000 00000000 00000000 00000000 |
| 2 442.656 2 | 01000101 00011000 10101010 10000000 | 00000000 00000000 00000001 10000000 |
| 2 442.625 0 | 01000101 00011000 10101010 00000000 | 00000000 00000000 00000000 10000000 |
), ArticleFig(id=1156986733385568365, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表7, caption=
案例异或运算结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据值 | 二进制表示 | 异或结果 |
| 2 442.656 2 | 01000101 00011000 10101010 10000000 | 01000101 00011000 10101010 10000000 |
| 2 442.687 5 | 01000101 00011000 10101011 00000000 | 00000000 00000000 00000001 10000000 |
| 2 442.687 5 | 01000101 0001100 010101011 00000000 | 00000000 00000000 00000000 00000000 |
| 2 442.656 2 | 01000101 00011000 10101010 10000000 | 00000000 00000000 00000001 10000000 |
| 2 442.625 0 | 01000101 00011000 10101010 00000000 | 00000000 00000000 00000000 10000000 |
), ArticleFig(id=1156986733444288622, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 8, caption=
Min and max binary representations and XOR result, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据值 | 二进制表示 | 异或结果 |
| 2 442.375 0 | 01000101 00011000 10100110 00000000 | 01000101 00011000 10100110 00000000 |
| 2452.1250 | 01000101 00011001 01000010 00000000 | 00000000 00000001 11100100 00000000 |
), ArticleFig(id=1156986733498814575, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表8, caption=
最小值和最大值二进制表示及异或结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据值 | 二进制表示 | 异或结果 |
| 2 442.375 0 | 01000101 00011000 10100110 00000000 | 01000101 00011000 10100110 00000000 |
| 2452.1250 | 01000101 00011001 01000010 00000000 | 00000000 00000001 11100100 00000000 |
), ArticleFig(id=1156986733553340528, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 9, caption=
Floating-point number compression control bit encoding rules, figureFileSmall=null, figureFileBig=null, tableContent=
| 控制位 | 编码规则 | 编码后长度/bit |
| 0 | 表明异或结果为 0 | 1 |
| 10 | 按照基本要求编码 | 12 + 有意义区域长度 |
| 110 | 省去前导零个数 | 8 + 有意义区域长度 |
| 1110 | 这类数据保持原值 | $4 +{32}$ |
), ArticleFig(id=1156986733616255089, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表9, caption=
浮点数压缩控制位编码规则, figureFileSmall=null, figureFileBig=null, tableContent=
| 控制位 | 编码规则 | 编码后长度/bit |
| 0 | 表明异或结果为 0 | 1 |
| 10 | 按照基本要求编码 | 12 + 有意义区域长度 |
| 110 | 省去前导零个数 | 8 + 有意义区域长度 |
| 1110 | 这类数据保持原值 | $4 +{32}$ |
), ArticleFig(id=1156986733662392434, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 10, caption=
Floating-point XOR-differential compression result, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据值 | 异或结果 | 编码结果 |
| 2 442.656 2 | 01000101 00011000 10101010 10000000 | 0b1110 + 异或结果 |
| 2 442.687 5 | 00000000 00000000 00000001 10000000 | 0b10101110001011 |
| 2 442.687 5 | 00000000 00000000 00000000 00000000 | 0b0 |
| 2 442.656 2 | 00000000 00000000 00000001 10000000 | 0b10101110001011 |
| 2 442.625 0 | 00000000 00000000 00000000 10000000 | 0b1011000000011 |
), ArticleFig(id=1156986733729501299, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表10, caption=
浮点数异或差分压缩结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据值 | 异或结果 | 编码结果 |
| 2 442.656 2 | 01000101 00011000 10101010 10000000 | 0b1110 + 异或结果 |
| 2 442.687 5 | 00000000 00000000 00000001 10000000 | 0b10101110001011 |
| 2 442.687 5 | 00000000 00000000 00000000 00000000 | 0b0 |
| 2 442.656 2 | 00000000 00000000 00000001 10000000 | 0b10101110001011 |
| 2 442.625 0 | 00000000 00000000 00000000 10000000 | 0b1011000000011 |
), ArticleFig(id=1156986733817581684, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 11, caption=
Test environment, figureFileSmall=null, figureFileBig=null, tableContent=
| 硬件环境 | 软件环境 |
| CPU:1. 6 GHz 八核 Intel Core i5-8250U | 操作系统:Window 11 |
| 内存:8 GB 2 400 MHz DDR4 | 实验运行环境:Java 1.8 |
), ArticleFig(id=1156986733867913333, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表11, caption=
测试环境, figureFileSmall=null, figureFileBig=null, tableContent=
| 硬件环境 | 软件环境 |
| CPU:1. 6 GHz 八核 Intel Core i5-8250U | 操作系统:Window 11 |
| 内存:8 GB 2 400 MHz DDR4 | 实验运行环境:Java 1.8 |
), ArticleFig(id=1156986733918244982, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 12, caption=
Dataset for displacement, stress and temperature monitoring, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据集 | 数据点数 | 数据集 | 数据点数 | 数据集 | 数据点数 |
| MonConCode_7_01 | 3 600 | MonConCode_1_01 | 89 993 | MonConCode_6_01 | 179 986 |
| MonConCode_7_02 | 3 600 | MonConCode_1_02 | 89 993 | MonConCode_6_02 | 179 986 |
| MonConCode_7_03 | 3 600 | MonConCode_1_03 | 89 993 | MonConCode_6_03 | 179 986 |
| MonConCode_7_04 | 3 600 | MonConCode_1_04 | 89 993 | MonConCode_6_04 | 179 986 |
| MonConCode_7_05 | 3 600 | MonConCode_1_05 | 89 993 | MonConCode_6_05 | 179 986 |
), ArticleFig(id=1156986733976965239, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表12, caption=
位移、应力和温度监测数据集, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据集 | 数据点数 | 数据集 | 数据点数 | 数据集 | 数据点数 |
| MonConCode_7_01 | 3 600 | MonConCode_1_01 | 89 993 | MonConCode_6_01 | 179 986 |
| MonConCode_7_02 | 3 600 | MonConCode_1_02 | 89 993 | MonConCode_6_02 | 179 986 |
| MonConCode_7_03 | 3 600 | MonConCode_1_03 | 89 993 | MonConCode_6_03 | 179 986 |
| MonConCode_7_04 | 3 600 | MonConCode_1_04 | 89 993 | MonConCode_6_04 | 179 986 |
| MonConCode_7_05 | 3 600 | MonConCode_1_05 | 89 993 | MonConCode_6_05 | 179 986 |
), ArticleFig(id=1156986734023102584, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 13, caption=
Test results of timestamp sequence delta compression, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据集 | 压缩率 | 压缩耗时/ ms | 解压耗时 $/$ ms |
| MonConCode_7_01_t | 0.016 2 | 13 | 124 |
| MonConCode_1_01_t | 0.015 6 | 118 | 218 |
| MonConCode_6_01_t | 0.015 6 | 199 | 335 |
), ArticleFig(id=1156986734098600057, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表13, caption=
时间戳序列差量压缩测试结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据集 | 压缩率 | 压缩耗时/ ms | 解压耗时 $/$ ms |
| MonConCode_7_01_t | 0.016 2 | 13 | 124 |
| MonConCode_1_01_t | 0.015 6 | 118 | 218 |
| MonConCode_6_01_t | 0.015 6 | 199 | 335 |
), ArticleFig(id=1156986734148931706, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 14, caption=
Test results of floating-point sequence XOR compression, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据集 | 平均压缩 耗时 $/\mathrm{{ms}}$ | 平均解压 耗时 $/\mathrm{{ms}}$ | 平均压 缩率 |
| MonConCode_7_01-05_v | 55.0 | 27.8 | 0.175 2 |
| MonConCode_1_01-05_v | 464.0 | 432.8 | 0.910 8 |
| MonConCode_6_01-05_v | 582.4 | 551.4 | 0.427 9 |
), ArticleFig(id=1156986734237012091, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表14, caption=
浮点数序列异或压缩测试结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据集 | 平均压缩 耗时 $/\mathrm{{ms}}$ | 平均解压 耗时 $/\mathrm{{ms}}$ | 平均压 缩率 |
| MonConCode_7_01-05_v | 55.0 | 27.8 | 0.175 2 |
| MonConCode_1_01-05_v | 464.0 | 432.8 | 0.910 8 |
| MonConCode_6_01-05_v | 582.4 | 551.4 | 0.427 9 |
), ArticleFig(id=1156986734287343740, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 15, caption=
Dataset overview, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据集 | 数据点数 | 备注 |
| MonConCode_7_t | 69 825 | 位移时间戳序列 |
| MonConCode_7_v | 69 825 | 位移数据值序列 |
), ArticleFig(id=1156986734337675389, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表15, caption=
数据集情况, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据集 | 数据点数 | 备注 |
| MonConCode_7_t | 69 825 | 位移时间戳序列 |
| MonConCode_7_v | 69 825 | 位移数据值序列 |
), ArticleFig(id=1156986734396395646, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 16, caption=
Performance comparison of timestamp delta method on bridge dataset, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试指标 | Gzip | snappy | Zstd | DoD |
| 压缩率 | 0.3494 | 0.5617 | 0.232 5 | 0.015 6 |
| 压缩耗时 $/\mathrm{{ms}}$ | 65 | 313 | 491 | 64 |
| 解压耗时 $/\mathrm{{ms}}$ | 4 | 873 | 3 | 70 |
), ArticleFig(id=1156986734450921599, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表16, caption=
时间戳差值法在桥梁数据集上的性能比较, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试指标 | Gzip | snappy | Zstd | DoD |
| 压缩率 | 0.3494 | 0.5617 | 0.232 5 | 0.015 6 |
| 压缩耗时 $/\mathrm{{ms}}$ | 65 | 313 | 491 | 64 |
| 解压耗时 $/\mathrm{{ms}}$ | 4 | 873 | 3 | 70 |
), ArticleFig(id=1156986734509641856, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 17, caption=
Performance comparison of floating-point XOR method on bridge dataset, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试指标 | Gzip | snappy | Zstd | XOR | MIX |
| 压缩率 | 0.327 3 | 0.526 1 | 0.3192 | 0.302 8 | 0.2027 |
| 压缩耗时 $/\mathrm{{ms}}$ | 53 | 253 | 592 | 136 | 148 |
| 解压耗时 $/\mathrm{{ms}}$ | 12 | 388 | 5 | 238 | 246 |
), ArticleFig(id=1156986734568362113, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表17, caption=
浮点数异或法在桥梁数据集上的性能比较, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试指标 | Gzip | snappy | Zstd | XOR | MIX |
| 压缩率 | 0.327 3 | 0.526 1 | 0.3192 | 0.302 8 | 0.2027 |
| 压缩耗时 $/\mathrm{{ms}}$ | 53 | 253 | 592 | 136 | 148 |
| 解压耗时 $/\mathrm{{ms}}$ | 12 | 388 | 5 | 238 | 246 |
), ArticleFig(id=1156986734618693762, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 18, caption=
Performance comparison of timestamp delta method on non-bridge dataset, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试指标 | Gzip | snappy | Zstd | DoD |
| 压缩率 | 0.2930 | 0.6171 | 0.071 2 | 0.044 8 |
| 压缩耗时 $/\mathrm{{ms}}$ | 22 | 187 | 1 190 | 65 |
| 解压耗时 $/\mathrm{{ms}}$ | 3 | 1 098 | 4 | 55 |
), ArticleFig(id=1156986734677414019, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表18, caption=
时间戳差值法在非桥梁数据集上的性能比较, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试指标 | Gzip | snappy | Zstd | DoD |
| 压缩率 | 0.2930 | 0.6171 | 0.071 2 | 0.044 8 |
| 压缩耗时 $/\mathrm{{ms}}$ | 22 | 187 | 1 190 | 65 |
| 解压耗时 $/\mathrm{{ms}}$ | 3 | 1 098 | 4 | 55 |
), ArticleFig(id=1156986734727745668, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=EN, label=Table 19, caption=
Performance comparison of floating-point XOR method on non-bridge dataset, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试指标 | Gzip | snappy | Zstd | XOR | MIX |
| 压缩率 | 0.456 7 | 0.706 8 | 0.3192 | 0.662 8 | 0.546 1 |
| 压缩耗时 $/\mathrm{{ms}}$ | 32 | 127 | 592 | 65 | 57 |
| 解压耗时 $/\mathrm{{ms}}$ | 4 | 522 | 5 | 130 | 143 |
), ArticleFig(id=1156986734773883013, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156963929424482903, language=CN, label=表19, caption=
浮点数异或法在非桥梁监测数据上的性能比较结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试指标 | Gzip | snappy | Zstd | XOR | MIX |
| 压缩率 | 0.456 7 | 0.706 8 | 0.3192 | 0.662 8 | 0.546 1 |
| 压缩耗时 $/\mathrm{{ms}}$ | 32 | 127 | 592 | 65 | 57 |
| 解压耗时 $/\mathrm{{ms}}$ | 4 | 522 | 5 | 130 | 143 |
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