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- W2802600255 abstract "作为Fourier变换的广义形式,分数阶Fourier变换(FRFT)能够展示出信号从时域到频域的所有变化特征,通过对时频平面的旋转,FRFT非常适合处理非平稳信号,克服了传统时频分析方法受交叉项干扰、分辨率低等缺点.动目标的雷达回波信号在一段短时间范围内,可用线性调频(LFM)信号作为其一阶近似,因此采用FRFT检测动目标具有很大的优越性.本文首先从FRFT的机理和特点出发,对基于FRFT的LFM信号检测和估计、最佳变换角确定方法等相关研究进行归纳与分析；然后,从高速微弱动目标检测、SAR成像和动目标检测、反辐射导弹检测、海洋动目标检测和雷达信号识别等方面重点介绍了FRFT理论在动目标检测和识别领域的应用和主要技术途径；最后,针对现有研究中存在的问题,阐述了有待于进一步研究的方向." @default.
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- W2802600255 date "2013-01-01" @default.
- W2802600255 modified "2023-09-25" @default.
- W2802600255 title "Application of Fractional Fourier Transform in Moving Target Detection and Recognition: Development and Prospect" @default.
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