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matlab-code
- 对数字图像处理中的离散傅里叶变换(DFT),离散余弦变换(DCT)进行了详细的分析。其中DFT包括log视觉处理,中心点移动等。DCT包括分块处理,和保留较少系数,并比较结果。-Digital image processing of the discrete Fourier transform (DFT), discrete cosine transform (DCT) for a detailed analysis. DFT which include the log of visual pr
MATLAB-adu
- 基于分数傅里叶变换的彩色图像加密算法,主要用于数字图像的加密中。-Based on the fractional Fourier transform for color image encryption algorithm, mainly used in digital image encryption.
ch2
- 第2章 信号变换 67 2.1 Z变换及MATLAB实现 67 2.1.1 Z变换的定义 68 2.1.2 Z变换的收敛域 68 2.1.3 Z逆变换 70 2.1.4 Z变换的性质 72 2.1.5 Z变换的工程应用 74 2.2 Chirp Z变换及MATLAB实现 77 2.2.1 Chirp Z变换的定义 77 2.2.2 Chirp Z变换的计算方法 79 2.2.3 Chirp Z变换的MATLAB实现 80 2.3 离散傅里叶变换及MAT
1DTFT(2)
- 实验二 离散时间傅里叶分析 1. 离散时间信号 , ,求 的傅立叶变换 。 离散时间信号 , ,求 的傅立叶变换 -Experiment 2 discrete-time Fourier analysis 1. Discrete-time signal, find the Fourier transform. Discrete-time signal, find the Fourier transform
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.
222
- 快速傅里叶变换(FFT)及其应用,这里是一些实例,包括调试好的程序和结果。-Fast Fourier transform (FFT) and its application, here are some examples, including debugging good program and results.
fastpoisson
- 该方法 基于快速傅里叶变换,求解方形区域的poission方程 比差分 有限元快。
mallat
- 小波谱分析mallat算法经典程序 MALLET分解算法(圆周卷积的快速傅里叶变换实现)-Algorithm for spectral analysis mallat small program MALLET classic decomposition algorithm (circular convolution of the fast Fourier transform)
广义s变换
- 广义S变换 结合了小波变换和短时傅里叶变换的特点,是时频分析领域中一个较新的内容,现在在信号处理,地震勘探,语音识别等领域都开始了对它的应用研究,是目前的一个热点
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)
MATLAB Codes
- 二维图形矩阵的傅立叶变换和逆傅里叶变换算法(Fu Liye transform and inverse Fourier transform algorithm for two dimensional graphic matrices)
MATLAB图像配准程序
- 使用分离傅里叶变换的方法进行亚像素的图像配准(Subpixel image registration is performed using the method of separated Fourier transform)
c
- 快速傅里叶变换程序,一般程序,具有通用性(Fast Fourier transform)
fangbo
- 方波傅里叶变换,功率谱计算等基于MATLAB仿真平台(FFT for this fangbo the invition of sensitive inovation like maniuplant simulation)
STFFTtool1
- 对非平稳信号进行分段、截取,再对处理过后的短时信号做短时傅里叶变换,分析其频谱特性,并找到各个时间节点的频率特性,以便分析不同事件段内的声音特征。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysis of the spectrum charac
积分变换
- 傅里叶变换 Z变换 拉普拉斯变换的gui(Fu Liye transform, Z transform, Laplasse transform, GUI)
M文件
- 对于离散傅里叶变换的学习理解很有帮助,同时有助于对MATLAB语言的练习。(It is helpful for the learning and understanding of discrete Fourier transform, and it is helpful for the practice of MATLAB language.)
FFT
- 在matlab中对振动信号实现快速傅里叶变换(The realization of fast Fourier transform for vibration signals in MATLAB)
tutorial
- 利用快速傅里叶变换滤波,空域变换的,图像灰度均衡matlab函数代码,用于学习信号处理(filter by using fast Fourier transform)
angular_spectrum_analysis
- 代码对2D二维傅里叶过程进行了描述;有助于傅里叶光学领域的基础概念的理解;对二维傅里叶变化过程中的matlab代码进行了简要介绍,有助于初学者理解(The code describes the 2D two-dimensional Fourier process, helps to understand the basic concepts of Fourier optics, and briefly introduces the matlab code in the process of tw