...不完全相同的欠采样低分辨率图像的情况下，利用傅 里叶变换的位移特性以及连续傅里叶变换（CFT，continuous Fourier transform）与 离散傅里叶变换间（DFT，discrete Fouriertransform）的混频关系，并以方...
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＜Q＜+∞） 为Xa（f）的连续傅立叶变换（continuous Fourier transform，CFT）。称积分 ％（f）＝石1 e以（／Q）P归‘拉，（～。
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continuous fourier transform cft 连续傅立叶变换
Continuous-time Fourier transform 连续时间傅立叶变换
The Continuous-Time Fourier Transform 连续时间傅里叶变换
Continuous-tine Fourier transform 连续时间傅里叶变换
continuous windowed fourier transform 连续窗口傅里叶变换
Fourier transform of continuous-time periodicsignals 连续周期信号的傅里叶变换
It is an approximate algorithm of continuous Fourier transform in which some approaching functions of segments are approximately used instead of continuous functions.
它是一种用分段逼近函数近似代替连续函数，作连续傅氏变换的近似算法。
Starting from continuous Fourier transform, the properties of continuous Fourier transform are discussed, and the paper gives the properties of discrete Fourier transform.
从连续傅里叶变换出发，讨论连续傅里叶变换情况下的傅里叶变换性质，给出离散傅里叶变换情况下的傅里叶变换性质。
Application DFT Discrete Fourier Transform, right through MATLAB continuous signal spectrum analysis, in order to meet the theoretical analysis and practical needs.
应用离散傅里叶变换dft，通过MATLAB实现对连续信号频谱分析，以满足理论分析和工程实际的需要。
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