搜索资源列表
VC
- 使用c语言产生均匀分布,高斯分布随机数的方法,使用VC为图片进行添加高斯噪声均匀噪声以及椒盐噪声,并且采用a修正的均值滤波和自适应中值滤波进行除噪-Used to produce uniform distribution of c language, method of Gaussian random numbers, use the VC to add a picture uniform noise, Gaussian noise and salt and pepper noise, and
FFT
- 利用FFT估计正弦信号的频率,要估计一个叠加了高斯白噪声的正弦信号 的频率 ,可以通过对x(n)做傅里叶变换,得到频谱图,找出幅度的最大值对应的频率值 ,进行多次变换,求出均方误差 。改变信噪比SNR,通过仿真可以得出随着信噪比增加,均方误差减小。-Sinusoidal signal using FFT frequency estimation, to estimate a Gaussian white noise superimposed on the frequency of sinusoi
MATLAB
- 产生长度为1000的标准正太分布的随机信号,画出时域波形及频谱; 采用u=255的非均匀PCM编码,每符号为8bit,画输入-输出关系图; 计算信号量化噪声比(SQNR); 信道误码率为10-3; 解码,并画出u律反变换后的信号时域波形及频谱。 扩展要求: 采用均匀PCM、量化级数可变、信道误码率可变。 - have a standard len
fastica
- 用matlab实现的最大化负熵的独立分量分析方法,作了正交化处理,可以同时分离出所有的独立分量(无噪声条件下)-Using matlab to achieve the maximization of the negentropy method of independent component analysis, orthogonal made of processing, can be isolated from all of the independent component (no nois
gngauss
- MATLAB高斯噪声生成函数(用于通信)-MATLAB function to generate Gaussian noise (for communication)
xiaobobaoyiweiquzao
- matlab小波包工具箱的使用来分析信号,实现了一维去噪声的功能,恢复出了原始信号-wavelet packet Matlab toolbox used to analyze signals and realized the noise to a peacekeeping function, restoration of the original signal out
noise2
- 图像加椒盐噪声,高斯噪声,乘性等相关噪声-Image Add salt and pepper noise, Gaussian noise, multiplicative noise, etc.
EMDfenshufourier
- 经验模式分解算法是仿真分数阶高斯噪声(fGn)和分数阶布朗运动(fBm)的新方法, 利用MATLAB的GUI开发环境,设计和实现了基于经验模式分解的分数阶随机序列仿真系统。-Empirical mode decomposition algorithm is a simulation of fractional Gaussian noise (fGn) and fractional Brownian motion (fBm) of the new method, using MATLAB
Gaussiannoise
- 分别用中心极限定理和Box-Muller方法产生高斯噪声-Central limit theorem, respectively, and Box-Muller methods Gaussian noise
filter
- labview先产生正弦波,叠加高斯白噪声,然后通过滤波处理,回复原正弦信号,欢迎参阅。-labview to generate sine wave, superimposed Gaussian white noise, and then through the filter processing, responding to the original sinusoidal signal, please refer to.
Wienerfilterfunction
- 维纳滤波函数的MATLAB程序,消除信号中的噪声的一个程序,-Wiener filter function of the MATLAB program
jiazaoquzao
- 对图片实现加入各种噪声,并进行去噪,高斯噪声,椒盐噪声,均值中值滤波-Achieved by adding a variety of noise on the image and carry out de-noising
Imagetransformationv6
- 初学者使用的图像处理程序,包含图像增强功能,双线性差值缩放,添加高斯噪声,图像均衡,等-ImageProcessing for primer to learn, the code including finctions of zoon, adding Noise and so on
FractRnd
- 通过用MATLAB来生成有色噪声的m文件-produce colored noise
MATLAB
- 对噪声信号中的正弦信号,通过Pisarenko谐波分解方法、Music算法和Esprit算法进行频率估计,信号源是: 其中, , , ; 是高斯白噪声,方差为 。使用128个数据样本进行估计。 1、用三种算法进行频率估计,独立运行20次,记录各个方法的估计值,计算均值和方差; 2、增加噪声功率,观察和分析各种方法的性能。-Sinusoidal signal in the noise signal through the Pisarenko harmonic decomposition metho
matlab
- 直方图图像均衡化和规定划、以及加性噪声,如拖尾脉冲噪声,高斯脉冲噪声(自适应方法)、和椒盐噪声等等各种噪声的添加噪声和去除噪声的MATLAB代码-Histogram equalization and provisions of the planning image, and additive noise, such as trailing impulse noise, Gaussian pulse noise (adaptive approach), and salt and pepper no
chap3
- 实现图象平滑(去噪声),锐化算法的源代码-Picture smoothing,Sharping algorithm code
medicalimageprocessing
- matlab的医学图像处理相关论文,内容挺全的,包括图像去噪声、边缘检测等。找了很久-medical image processing matlab related papers, the content very wide, including the image to noise, such as edge detection. Looking for a long time
ffs
- 在matlab环境下仿真随机信号,括号内为内容(正弦信号、白噪声信号、正弦信号附加白噪声三种信号形式) 的代码,计算该随机信号的相关函数和功率谱-In the matlab simulation environment, random signals, the contents of brackets (sinusoidal signal, white noise signal, sine wave signal form of three additional white noise
Guass0420
- 高斯白噪声的产生,高斯随机数程序,采用瑞丽分布,适用产生高斯白噪声,程序中的方差和期望值已经标出-高斯随机数程序,采用瑞丽分布,适用产生高斯白噪声,程序中的方差和期望值已经标出