Discussion about the equivalency between fractional Fourier transform and Fresnel diffraction;
也论分数傅里叶变换与菲涅耳衍射的等效性
Fractional Fourier Transform and its Properties;
分数傅里叶变换及其性质
Rotation theorem of fractional Fourier transform;
光学分数傅里叶变换的转动定理
The discuss on a question of fractional Fourier transformation and Frsnel difraction;
分数傅里叶变换与菲涅耳衍射对应关系之探讨
A normative expression of fractional Fourier transformation is given and its completion is proved.
给出了一种分数傅里叶变换的规范表达式,并证明了其完备性。
An optical study of the fractional Fourier transforms for a regular fractal pattern;
用光信息处理方法对分形图象实现分数傅里叶变换
Fresnel diffraction and fractional Fourier transforms;
菲涅耳衍射和分数傅里叶变换
Optimization algorithm and design of FrFT filter;
分数傅里叶变换滤波优化算法及滤波器设计
The proportional relationship between the coefficients is altered by adjusting the LFM signal parameters,and then the target motion parameters are estimated based on FRFT.
首先建立了目标速度和加速度对LFM信号的调制规律模型,分析了回波信号一次项、二次项系数的比例关系,通过调整LFM信号参数来改变系数的比例关系,进而利用分数傅里叶变换估计目标运动参数信息。
Introducing FRFT into digital image processing field is a new direction of image technology development.
将分数傅里叶变换(FRFT,Fractional Fourier Transform)用于数字图像处理领域中是图像技术发展的一个新方向。
A new image watermarking algorithm based on real discrete Fourier transform is proposed in the paper.
提出一种基于实数傅里叶变换的数字水印新算法,利用Arnold变换将水印图像置乱,再将置乱后的二值水印嵌入到实数傅里叶变换域的相位中。
Simple Method to Study the Fourier Transform of Object
研究物体分数傅里叶变换的简单方法
The Applications and Researches of Fractional Fourier Transform in Digital Image Processing;
分数傅里叶变换在数字图像处理中的应用研究
Watermarking SVG Based on Discrete Fractional Fourier Transform
基于离散分数傅里叶变换的SVG数字水印技术
Digital Watermarking Technique Based on Cascaded Fractional Fourier Transform System
基于级联分数傅里叶变换系统的数字水印技术
Phase-space analysis for fractional Fourier transform of first-order optical system
一阶光学系统分数傅里叶变换的相空间分析
The Method of Frequency Spectrum Resource Multiplexing in Fractional Fourier Transform Domain
分数傅里叶变换域的频谱资源复用方法
Fractional Fourier Transform in Seismic Data Processing Applications
分数傅里叶变换在地震资料处理中的应用初探
Studies on Algorithms for discrete fractional Fourier transform(DFRFT) and its applications
分数傅里叶变换离散化(DFRFT)算法和应用研究
Double Image Encryption Algorithm Based on Random Fractional Fourier Transform
基于随机分数傅里叶变换的双图像加密算法
Fractional Fourier transform for incoherent one-dimensional off-axis Gaussian beams
1维线阵离轴高斯光束的分数傅里叶变换
Transformation Properties of Hermite-Laguerre-Gaussian Beam in Fractional Fourier Transform Plane
分数傅里叶变换面上厄米-拉盖尔-高斯光束的变换特性
The MIMO-OFDM System Based on the Optimal Fractional Fourier Transform
基于最优分数阶傅里叶变换MIMO-OFDM系统
fast-Fourier-transform analyzer
快速傅里叶变换分析仪
Fourier transform infrared spectroscopy
傅里叶变换红外分光镜
Image Digitl Watermarking Based on the Fractional Fourier Transform;
基于分数阶傅里叶变换的图像数字水印
Fractional Fourier Transform Adaptive Filtering Algorithm and Its Application
分数阶傅里叶变换自适应滤波算法及应用
Reduced Fractional Fourier Transform and Its Applications
一种简化的分数阶傅里叶变换及其应用
Analysis on Allpass System Function of Warped Discrete Fourier Transform
弯折离散傅里叶变换的全通系统函数分析