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fftplot
- FFT，即为快速傅氏变换，是离散傅氏变换的快速算法，它是根据离散傅氏变换的奇、偶、虚、实等特性，对离散傅立叶变换的算法进行改进获得的。它对傅氏变换的理论并没有新的发现，但是对于在计算机系统或者说数字系统中应用离散傅立叶变换，可以说是进了一大步。 设x(n)为N项的复数序列，由DFT变换，任一X（m）的计算都需要N次复数乘法和N-1次复数加法，而一次复数乘法等于四次实数乘法和两次实数加法， -FFT, fast Fourier transform which is a discrete fast
cpsnr
- 一个自动添加高斯噪声 对比图像处理后psnr的程序 参数可自己修改-We want to test PSNR with variable gaussian blur. Then the different values of PSNR under different parameteres would be compared in order to find the relationship between PSNR and the gaussian blur.
(fourier)-MATLAB
- The chapter of book with interesting examples using Matlab source code.
HW1
- The Gibbs phenomenon is an overshoot (or "ringing") of Fourier series and other eigenfunction series occurring at simple discontinuities.-This file includes matlab source for Gibbs phenomenon and also includes explanation report
HW4
- In mathematics, the discrete Fourier transform (DFT) is one of the specific forms of Fourier analysis. As such, it transforms one function into another, which is called the frequency domain representation, or simply the DFT, of the original function
FourierSeriesdoc
- Fourier series with Matlab
lq
- 利用MATLAB强大的图形处理功能，符号运算功能和数值计算功能，实现连续时间非周期信号频域分析的仿真波形； 1、用MATLAB实现典型非周期信号的频域分析； 2、用MATLAB实现信号的幅度调制； 3、用MATLAB实现信号傅立叶变换性质的仿真波形； -The use of MATLAB powerful graphics processing capabilities, symbolic computing and numerical computing capabilitie
Fourier-matlab-
- 详细的介绍了，matlab求解傅里叶级数问题，有程序，由运行结果可以运行参照结果！-Described in detail, matlab problem solving Fourier series, there are procedures, the results can run from the reference results!
Fourier-Matlab-Basics
- Fourier Matlab Basics. This file is for MATLAB Basics.
matlab-code-for-beam
- a matalb code for stress analysis of a 2d beam by using Airy function and fourier serie
Matlab-fourier
- MATLAB 的傅里叶变换的一些介绍 1. 离散傅立叶变换的 Matlab实现 2. 离散余弦变换的 Matlab 实现 3. 图像小波变换的 Matlab 实现函数-The MATLAB Fourier transform some introduction. Discrete Fourier Transform Matlab. Discrete Cosine Transform Matlab achieve wavelet transform Matlab implement f
fourier-and-MATLAB-design
- fuorier and matlab design-fuorier and matlab
matlab
- 直接法又称周期图法，它是把随机序列x(n)的N个观测数据视为一能量有限的序列，直接计算x(n)的离散傅立叶变换，得X(k)，然后再取其幅值的平方，并除以N，作为序列x(n)真实功率谱的估计。 -The direct method is also called cycle diagram method, it is the random sequence x (n) n observation data as a energy limited sequence, direct calculatio
MATLAB-fft-
- 傅里叶变换的一个示例，傅里叶变换为matlab自带程序。-An example of the Fourier transform, Fourier transform matlab own procedures.
Matlab-(3)
- 介绍了快速傅里叶的算法，以及给出了matlab对他进行实现的源代码-Introduced the fast Fourier algorithm, and gives him realization of matlab source code
matlab
- this provides the Discrete Fourier Transform function that can be used im more applications
Fourier-matlab
- 主要介绍几种函数的傅里叶变换，及傅里叶函数变换的matlab实现-Several functions introduced Fourier transform, and the Fourier transform matlab realization function
matlab-fft
- matlab平台基于傅立叶变换的信号频谱分析深度理解和仿真，一看就能明白！-Based on the signal spectrum analysis matlab platform Fourier transform depth understanding and simulation, a look can understand!
Matlab
- MATLAB实用编程-相关偏微分，傅里叶变换以及最小二乘法实现-Practical MATLAB programming- related partial differential Fourier Transform and Least Square Method
Guass-noise
- 产生一个高斯白噪声 利用MATLAB自带的fir1函数产生一个低通滤波器，限制高斯白噪声的带宽，由此产生了视频噪声。 利用产生的视频噪声，分别代入噪声调幅干扰的时域表达式，并且进行100次的积累后求平均值，对其进行快速傅里叶变换后，由此画出噪声调幅干扰的频域波形。 重复上述步骤，分别代入噪声调频干扰与噪声调相干扰的时域表达式，分别画出其频域波形与时域波形。(Generate a Gauss white noise The fir1 function of MATLAB is used to ge