基于空换时技术的分数域时频分析快速算法
기우공환시기술적분수역시빈분석쾌속산법
Fast fractional domain time-frequency analysis algorithm based on Gabor transform technology
  • 万方数据
    福建工程学院学报 복건공정학원학보
    JOURNAL OF FUJIAN UNIVERSITY OF TECHNOLOGY
    2014年 4期 327-331 ,共5页

    陈颖频%彭真明%林文凤

    진영빈%팽진명%림문봉

    分数域时频分析%空换时技术%时间复杂度%错位平滑技术%FrFT 分數域時頻分析%空換時技術%時間複雜度%錯位平滑技術%FrFT
    분수역시빈분석%공환시기술%시간복잡도%착위평활기술%FrFT
    fractional domain time frequency analysis%space time transform technology%time com-plexity%dislocation smoothing technology%fractional Fourier transform(FrFT)
    提出一种以空间换取时间的方案，能有效提高分数域时频分析的运算效率。鉴于该算法对时间域进行切割，将导致时频分布在衔接处出现边界效应，文章还提出错位平滑技术，有效将各时间段的时频分布进行无缝拼接。
    제출일충이공간환취시간적방안，능유효제고분수역시빈분석적운산효솔。감우해산법대시간역진행절할，장도치시빈분포재함접처출현변계효응，문장환제출착위평활기술，유효장각시간단적시빈분포진행무봉병접。
    A Gabor technology-based space time transformation strategy that can enhance the effi-ciency of fractional domain time-frequency analysis was proposed.Dislocation smoothing technology was presented to overcome the boundary effect between the joint parts in splitting the time domain. The simulation results show that the algorithm can enable the seamless joining of the splitted time frequency distributions.
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