2) fractional Fourier transform(FRFT)
分数阶Fourier变换
1.
The fractional Fourier transform(FRFT) is applied to synchronization acquisition and Pattern Time Delay Shift Coding scheme to mitigate the influence caused by Doppler.
将分数阶Fourier变换(FRFT)应用于水声通信同步检测及Pattern时延差编码(PDS)水声通信体制,可减小多普勒频偏的影响。
2.
The fractional Fourier transform(FRFT),which is a version of generalized common Fourier transform(FFT) can overcome the incomplete of FFT in feature extraction of fault signal.
论述了分数阶Fourier变换的定义、特点和算法,并进行实验研究。
3.
In order to eliminate the interference of cross-terms during time-frequency analysis on multicomponent LFM signals,a new PWD(peudo Wigner distribution)in fractional Fourier transform(FRFT)domain is proposed.
针对雷达回波为多分量LFM信号时,时频分析存在的交叉项干扰问题,提出了一种基于分数阶Fourier变换(Fractional Fourier Transform,FRFT)的伪Wigner分布(PWD)。
3) fractional Fourier transform
分数阶Fourier变换
1.
Real-value encryption of digital image utilizing fractional Fourier transform;
基于分数阶Fourier变换的数字图像实值加密方法
2.
Underwater acoustic channel parameter estimation based on fractional Fourier transforms;
基于分数阶Fourier变换的水声信道参数估计
3.
Research on the Application of Fractional Fourier Transform in Extraction of Partial Discharge;
分数阶Fourier变换在局部放电信号提取中的应用研究
4) FRFT
分数阶Fourier变换
1.
Research of lowing the PAPR of OFDM system based on FRFT;
降低基于分数阶Fourier变换的OFDM系统PAPR的研究
2.
Improved Method Based on FrFT for Spaceborne SAR Moving-Target Detection;
一种基于分数阶Fourier变换的改进星载SAR动目标检测方法
3.
A new reconstruction algorithm was proposed,which uses fractional Fourier transform(FRFT) instead of DFT to implement the range compression.
然后针对高速目标回波是调频斜率相同的多分量LFM信号的特点,提出了基于分数阶Fourier变换的距离压缩处理方法,并讨论了最优旋转角估计的问题。
5) fractional wavelet transforms
分数阶子波变换
6) fractional signal transform
分数阶信号变换
1.
In order to meet the requirement of fractional signal transform real-time computation,this paper proposes a hardware implementation of reconfigurable fractional signal transform processor based on Altera Stratix II FPGA.
为了满足对分数阶信号变换进行实时计算的要求,提出一种基于Altera Stratix II FPGA平台的可重配置分数阶信号变换处理器的硬件实现方案。
补充资料:分数阶积分与微分
分数阶积分与微分
og fractional integration and differentia-
分数阶积分的逆运算称为分数阶微分:若几介F,则f为F的:阶分数阶导数(na ctional deriVative).若0<戊
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条