2DFT：二维傅立叶变换
二维傅立叶变换（Two-Dimensional Fourier Transform）在数学与工程领域应用广泛，常缩写为2DFT，以方便书写与交流。它作为傅立叶变换在二维空间的推广，常用于图像处理、信号分析和物理建模等领域，是处理频域信息的核心数学工具之一。
Two-Dimensional Fourier Transform具体释义
Two-Dimensional Fourier Transform的英文发音
例句
- In this algorithm the target scattering function could be reconstructed from the echo data via coordinate conversion, two-dimensional interpolation and two-dimensional Fourier transform.
- 该算法通过接收来自多个外辐射源的回波数据，经过坐标变换和二维插值运算，直接在接收数据空间利用二维傅里叶变换重建目标的散射函数分布。
- An imaging algorithm based on two-dimensional Fourier transform is proposed.
- 在此基础上，提出了一种基于二维傅立叶变换(2DFT)的无源雷达成像算法。
- This paper has discussed the method and the principle of determining the fabric density with computer image processing methods including one-dimensional Fourier transform, two-dimensional Fourier transform and wavelet transform, etc. A kind of fast and reliable method of determining fabric density has been found.
- 文章讨论了用一维傅立叶变换、二维傅立叶变换(2DFT)和小波变换等图像处理技术检测织物经纬密度的原理和方法，找到了一种快速、可靠的织物经纬密度的检测方法。
- In this paper, we discussed several examples of application of two-dimensional Fourier transforms and spatial filtering analysis in vision research. ( 1 ) Two-dimensional Fourier transform, The " pincushion illusion " is discussed more extensively.
- 在本文中，我们介绍了一些傅里叶变换和空间滤波技术在视觉研究中的应用，即1.二维付里叶变换，主要介绍了枕形错觉，指出此错觉是由于视觉系统的二维空间滤波产生的。
- Because one-dimensional filter can not meet the requirements of two-dimensional data processing, the introduction of two-dimensional Fourier transform. two-dimensional seismic data will be transformed into the frequency - wavenumber domain.
- 由于一维滤波不能满足二维数据处理的要求，引入二维傅里叶变换，将二维地震数据变换到频率-波数域进行处理。
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