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LIU Biao, WU Yun-feng, ZHAO Xin-cai. 全光纤位移干涉测速系统中小波基的选取研究[J]. LASER TECHNOLOGY, 2012, 36(2): 247-250. DOI: 10.3969/j.issn.1001-3806.2012.02.027
Citation: LIU Biao, WU Yun-feng, ZHAO Xin-cai. 全光纤位移干涉测速系统中小波基的选取研究[J]. LASER TECHNOLOGY, 2012, 36(2): 247-250. DOI: 10.3969/j.issn.1001-3806.2012.02.027

全光纤位移干涉测速系统中小波基的选取研究

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  • Received Date: June 12, 2011
  • Revised Date: July 28, 2011
  • Published Date: March 24, 2012
  • 为了使全光纤位移干涉测速系统能够准确稳定地测速,采用小波基分析问题的方法,对全光纤位移干涉测速仪信号进行了理论分析,并选取6种小波基函数进行计算机模拟,选定了适合全光纤位移干涉测速仪信号分析方法的最优小波基。与此同时,分别利用自由落体运动实验和高速爆轰实验验证了系统的精确性和稳定性,精确度达到99%,稳定性极高。结果表明,最优小波基的选取是合理的。
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