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Description: ImageTest Visual C下实现图像增强、正交变换（DFT/FFT）、边缘检测-ImageTest under Visual C image enhancement, Orthogonal Transform (DFT/FFT), edge detection
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Size: 215040 |
Author: shanggaofeng |
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Description: 离散傅立叶算法(DFT)、快速傅立叶算法(FFT)通用源码-Algorithm for Discrete Fourier (DFT), fast Fourier algorithm (FFT) common-source
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Size: 5120 |
Author: Daniel |
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Description: 信号与系统试验报告
离散傅立叶变换（DFT）和频谱分析
一、实验内容
1、实验题目
（1）编写DFT、IDFT程序，并验证其正确性（提示：可利用冲激函数进行验证）。
（2）计算信号f(t)=e-at2sin(2∏ft)的离散傅立叶变换（DFT），求其振幅谱，相位谱、振幅最大值对应的频谱（检测主频）以及对发f(t)进行DFT变换的结果实现IDFT变换，并画出图形。
参数选择如下：频率f =30HZ，a=f 2㏑(M),M=2.5
2、通过实验理解信号振幅谱、相位谱的物理意义，掌握DFT、IDFT算法的实现方法。
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Size: 56320 |
Author: 凤凰 |
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Description: 数字信号处理：实现对32点矩形序列和x(n)=n+1序列分别进行DFT，两者线形卷积，原序列补点至63点后的DFT和对DFT乘积的IDFT。显示为数值和坐标轴中的图像。vista系统不能看图。在win-c下编译，c语言-Digital signal processing: to achieve 32 points, rectangular sequence and x (n) = n+1 sequences were carried out DFT, linear convolution between the original sequence of fill points to 63 points, after the DFT and the DFT product of IDFT. Shown as values and axis in the image. vista system can not plug-in. In the win-c compiled, c language
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Size: 4096 |
Author: pirate |
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Description: 图像处理的一些基本操作,滤波,傅立叶变换,傅立叶反变换等等,附带有CT照片,可以测试效果.-Some of the basic operation of image processing, filtering, Fourier transform, Fourier inverse transform, etc., with a CT picture, you can test results.
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Size: 2806784 |
Author: zhang yao |
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Description: dft idft fft ifft的c++源码实现
离散时间傅里叶变换 极其逆变换实现 快速傅里叶变换极其逆变换实现-dft idft fft ifft the c++ source to achieve extremely inverse discrete-time Fourier transform fast Fourier transform extremely inverse transform
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Size: 443392 |
Author: 李飞霞 |
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Description: 一份FFT C语言实现的源码，供大家参考。其中还包括DFT和IDFT的实现(source code for FFT calculation)
Platform: |
Size: 1024 |
Author: jourluohua |
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