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- Fractional Fourier transform of apertured paraboloid refracting system[J]. 引用该论文 陈建农;闫金良;王德法;于永江.
- Fraction Fourier Transform ( FFT ) 分数阶傅里叶变换
- fraction Fourier transform (FrFt) 分数阶傅里叶变换(FrFt)
- Fractional Fourier transform of hard-edge apertured and misaligned Lohmann's optical system[J]. 引用该论文 于永江;陈建农;王德法;郝金光.
- Six Security Key For Image Encryption Based on Anamorphic Fractional Fourier Transform[J]. 引用该论文 王红霞;赵玮;刘长文;张瑜;刘皓淳.
- The paper presents encrpytion techniques of double random phase based on anamorphic fractional Fourier transform. 提出变形分数傅里叶变换双随机相位编码技术。
- Based on the EFRT and the JFRTC, we propose a joint extended fractional Fourier transform correlator (JEFRTC). 这种双透镜结构能实现实数阶和复数阶的广义分数傅里叶变换。
- Fractional Fourier Transforms for Cosh-Gaussian Beams[J]. 引用该论文 陈天禄;吴平.
- Measurement of monochrome local length (MLL) of a lens based on define of fractional Fourier transform is generalized and discussed. 摘要透镜的单色光焦距是激光应用中的重要参数。
- By analyzing the fractional Fourier transform (FRFT) result of LFM signal, a method of excising LFM interference in fractal domain was put forward. 通过对LFM干扰信号分数阶傅立叶变换计算结果的分析,提出在分数阶域进行LFM干扰抑制的方法;
- In weak signals detection of underwater acoustic domain, we can get high anti-Doppler performance using the Fractional fourier transform algorithm. ? 在水声信号处理领域;分数阶Fourier变换的良好的抗多卜勒性能有利于微弱信号检测.
- The pulsar super-resolution TOA algorithm based on stationary wavelet transform and fractional Fourier transform is proposed. 摘要 提出了一种基于平稳小波和分数阶傅立叶变换的脉冲星超分辨率TOA估计算法。
- A new recognition algorithm is proposed based on the lifting stationary wavelet transform (SWT) and the fractional Fourier transform (FRFT). 摘要提出了一种基于提升静态小波(SWT)-分数阶傅里叶交换(FRFT)的识别算法。
- A new optical image encryption method using dissymmetrical fractional Fourier transform and double random phase encoding was presented. 提出了一种利用不对称分数傅里叶变换和双随机相位编码对图像加密的方法。
- In addition, the extended fractional Fourier transform (EFRT) is a generalization of the FRT, and has more parameters and wider fractional domain. 广义分数傅里叶变换(EFRT)是更为广泛的分数傅里叶变换,具有更多的参数和更广的分数域,所以在光学信息处理方面倍受关注。 本文将EFRT与JTC相结合,提出联合广义分数傅里叶变换相关器(JEFRTC),用EFRT代替了FRT。
- In this paper,a technology of implementation of the multichannel fractional Fourier transform(FRT) is proposed using holographic lens array. 提出利用全息透镜阵列来实现多通道分数傅里叶变换技术。
- In recent years, the fractional Fourier transform (FRT) was presented and has attracted a lot of attention for the optical information processing. 基于分数傅里叶变换,有人提出了分数相关和联合分数相关器。
- Based on the FRT, some people proposed a fractional correlation and a joint fractional Fourier transform correlator (JFRTC). 联合分数相关器具有很多优点:分数相关峰更窄;
- We have showed that the Radon transform of the cross Wigner distribution function is a separable multiplication of fractional Fourier transform of these functions. 分析了交叉魏格纳分布函数中的拉冬变换是这些函数中分数傅里叶变换的可分乘法。
- In this paper, the OFDM system which is based on fractional Fourier transform (FRFT) has been introduced, and the function of peak-to-average power ratio (PAPR) is achieved. 摘要介绍了基于分数阶傅里叶变换的正交频分复用系统,推导了该系统中峰均功率比公式。