搜索资源列表
fanfft
- 将共轭对称性复序列进行快速傅里叶反变换,得出变换结果为实序列。
matlab1.rar
- matlab常用函数 傅里叶变换函数、傅里叶反变换函数、低通滤波函数、sigexpand扩展序列函数,matlab function commonly used Fourier transform function, the Fourier Transform function, low-pass filter function, sigexpand extended sequence function
DTMF.rar
- 包括傅里叶变换和傅里叶反变换，c语言编写，简单明了，VC环境验证通过,Including Fourier transform and Fourier inverse transform, c language, simple and clear, VC verification environment through the
fft
- C语言实现快速傅里叶算法，可以输入任意位，有正变换和反变换！-C language realization of fast Fourier algorithm, can enter any place, there is transformation and anti-transformation!
dsp
- 数字信号处理dsp的一些c语言源代码，实现卷积，傅里叶变换，傅里叶反变换等功能，并且能够通过图形界面显示出来-Dsp digital signal processing of a number of c language source code, the realization of convolution, Fourier transform, Fourier transform functions, and can be displayed through the graphical int
4
- 灰度图像的傅里叶变换程序；灰度图像的傅里叶反变换程序；-Gray-scale image Fourier transform procedures gray image of the Fourier inverse transform process
fourier_ecg
- 心电图的傅里叶变换，反傅里叶变换滤波等等。阈值算法求波位置。-ECG Fourier Transform, the anti-Fourier transform filtering and so on. Threshold algorithm for wave position.
fft
- 傅里叶变换（FFT）的C++/C原码。 设置参数isign=+1为正变换，设置参数isign=-1为反变换。-Fourier Transform (FFT) of the C++/C source. Setting parameters isign =+1 for the transformation, setting parameters isign =- 1 for the inverse transform.
fft_self
- 用matlab实现的一个快速傅里叶变换的函数。可以实现正变换和反变换 -it is a function developed under the matlab which can accompish the fast fourier transtorm in forward and inverse
DigitalSignalofMatlab
- 数字信号处理，包括：各种现有信号及随机信号的输入，从文件读取数据的输入，各种滤波器的实现，傅里叶变换等，傅里叶反变换等，谱分析，利用图形界面形式编写，简单且可视化强，便于理解。-Digital Signal Matlab
fft
- 实现图像的快速傅里叶变换和反变换 可以通过运行程序，对比原图像和经过变换与反变换后的细微差别-Image of the fast Fourier transform and inverse transform can run the program, and after comparing the original image after the transform and inverse transform the nuances of
Gerchberg_Papoulis
- Gerchberg_Papoulis利用反复应用傅里叶变换与反变换及加入已知条件的迭代算法，解决带限函数外推。-Gerchberg_Papoulis using repeated application of Fourier transform and inverse transform and adding the known conditions of the iterative algorithm to solve band-limited function extrapolation.
matlab+c
- 二维图像的投影和图像重建，直接傅里叶反变换法，先反投影后滤波，先滤波后反投影，卷积反投影(Two dimensional image projection and image reconstruction, direct Fourier inverse method, first backprojection, after filtering, first filter, back projection, convolution back projection)
CT二维图像重建程序
- CT二维图像重建的两种方法代码。傅里叶转换法和滤波反投影法。(CT two-dimensional image reconstruction of the two methods of code. Fu Liye transform method and filtered back projection method.)
FFT
- 利用matlab进行傅里叶变换及反变换,实现空域到频域，频域到空域的图像处理(Using Fourier transform and inverse transform, to achieve the airspace to the frequency domain, frequency domain to the airspace image processing)
function z
- 提取图像轮廓描述子 ，为后续构建做铺垫。与傅里叶描述子反变换搭配使用(extraction descr iption about picture or image.txt)
双矩形脉冲的正反傅里叶变换
- 双矩形脉冲的正反傅里叶变换 (1) 画出以上式子所定脉冲的时域波形; (2)画出信号的振幅谱 abs(sf);(3) 将第二步所得的频谱求傅里叶反变换，并画出其波形，并与原始信号对比;(Positive and inverse Fourier transform of double rectangular pulses (1) draw the above formula set by the pulse waveform; (2) draw the signal amplitu
BPF
- matlab 使用傅里叶变换投影反投影sheep-logon(matlab Sheep-logon Projection Back Projection Using Fourier Transform)
1612_PCdisp_Update
- 转换时域信号为频域信号，快速傅里叶变换，取峰值频率反算厚度信息(Converting time-domain signals to frequency-domain signals)
图像傅里叶变换
- 二维傅立叶变换的Matlab实现，是利用图像处理软件对给出的图像进行傅立叶变换处理。在Matlab中，函数fft2表示二维傅立叶变换，函数ifft2则表示二维傅立叶反变换。(The Fourier transform of the image)