搜索资源列表
channel&noise
- 高斯信道和噪声产生方法的简单程序,直接解压无密码-Gaussian noise channels and formation of simple procedures, without directly extracting passwords
cyclic2_am.rar
- 基于matlab,针对调幅AM、调频FM和调相PM信号,分析在不同的噪声环境,包括高斯白噪声、色噪声、非高斯噪声及正弦干扰中,各种信号的二阶循环谱。可根据需要改变程序中信号或噪声环境,分析结果。,Based on matlab, AM for AM, FM FM and PM phase modulation signals, analysis of noise in different environments, including Gaussian white noise, colored
DSP2
- DSB-SC信号的生成与解调 1) 用离散(DSP)的方法生成DSB信号 2) 载波频率为150KHz,音频为500Hz和2000Hz的混合音。 3) 加入高斯白噪声 (4) 语音信号 的传输。 改变抽样频率和量化台阶大小,观察重建信号以及量化噪声信号的波形;对于语音信号主观评价声音质量的变化。 -DSB-SC signal generation and demodulation 1) Discrete (DSP) methods to generate
DSSS
- 设计一个有干扰的直接序列扩频通信系统, PN码由m序列产生器产生,经过高斯白噪声信道。在接收端接收到的信号包括“有用信号+高斯白噪声+干扰”,将接收信号进行解扩,判决,得到用户的信号检测结果,绘制不同的扩频增益(增益值为10,30,50)下,误比特率随信噪比Eb/N0的变化曲线。-Design of a direct sequence spread spectrum interference system, PN code generated by the m sequence generato
sharpen
- 数字图像处理中的平滑和锐化(边缘检测)。包括1、添加椒盐、高斯噪声。2对噪声污染的图像分别使用邻域平均法、中值滤波法、K邻近平均法进行平滑。3对一幅图像利用Roberts梯度法、Sobel算子和拉普拉斯算子进行锐化,并比较结果。附处理源图像和处理结果截图。 -Digital image processing smoothing and sharpening (edge detection). Including 1, add salt and pepper, Gaussian noise.
BispectrumWavelets
- 用双谱和小波变换去除信号中加性高斯噪声的相关程序 1.实现单个变量的双谱分析程序 2.用傅立叶反变换求自相关函数的程序 3.用fft求取喜好频谱、功率谱、均方根谱、对数谱的程序 4.读取.wav语音信号后用小波去加信白噪声的程序 5.用各种小波和阀值对同一信号去加性噪声效果比较的程序 -Double-spectral and wavelet transform to remove the signal plus Gaussian noise procedures 1. T
gauss
- 应用比较广泛的高斯函数,产生高斯噪声的简单C++语言-Used widely in the Gaussian function, Gaussian noise generated C++ language simple
denoise
- 图像分别加高斯噪声和椒盐噪声,然后进行中值滤波和算术均值滤波去噪处理。-Images were added Gaussian noise and salt and pepper noise, median filter and then the arithmetic mean filter denoising.
noise
- 利用matlab 处理 加入高斯噪声的图像分别作均值、中值和维纳滤波-Adding Gaussian noise using matlab image processing were as mean, median and Wiener filtering
77433652yuanchengxu
- 这些MATLAB的M文件分为两部分:程序清单A中收录了产生PPM-TH和PAM-DS这两个信号源的所有函数;程序清单B中收录了加性高斯白噪声(AWGN)信道建模,正交和非正交单脉冲PPM-TH接收机结构,以及反极性PAM-DS单脉冲接收机结构仿真所需的所有函数。-The MATLAB M-file is divided into two parts: A list of procedures in the collection of produce PPM-TH and PAM-DS two s
quzao
- 去除图像噪声椒盐噪声高斯噪声实现图像处理-Salt and pepper noise removal of image noise, Gaussian noise, Image Processing
OFDM
- OFDM下行的仿真1、产生要传输随机数; 2、进行调制; 3、串并转换; 4、进行IFFT操作(代码中有用到共轭对称向量的IFFT为实数进行简化计算); 5、增加循环前缀; 6、并串转换; 7、输出前滤波; 8、增加信道噪声(加性高斯白噪声); 9、接收端串并转换; 10、去除循环前缀; 11、进行FFT变换; 12、信号解调; 13、误比特率计算; -OFDM downlink simulation 1, have t
Mean-Gaussian-noise-filter
- 均值滤波对高斯噪声的影响,均值滤波是经典滤波算法,用于图像处理领域,本代码用matlab开发。-Mean Gaussian noise filter, mean filter is a classical filtering algorithm for image processing, the code developed using matlab.
add-gaussian-noise-and-denoising
- 该程序用于对图像加入高斯噪声,然后对该图像的噪声进行去噪-The program is used by adding Gaussian noise to the image, and then the noise of the image denoising
pbf
- this the function written in matalb to addned the white gaussian noise removal
non-Gaussian-noise-Identification
- 该文提出一种基于广义分数阶傅里叶变换和分数低阶Wigner-Ville 分布的数字调制识别新方法,该方法提取广义分数阶傅里叶变换的零 中心归一化瞬时幅度谱密度的最大值和分数低阶Wigner-Ville 分布幅度的最大值作为识别特征参数,并采用判决树分类器,实现了非高斯噪声下数字调制信号识别。-This paper presents a generalized fractional Fourier transform and fractional lower order Wigner-Vill
Gaussian-noise-generation
- 用c++成功生成高斯噪声,数据输出到txt文件中。-This file is to generate the Gaussian noise successfully via C++, and the data is stored in a txt file.
Gaussian-Noise
- The code is used for add some noise to the image. Gaussian Noise method is used to add noise.The input is image and deviation value.
filter-under-gaussian-noise
- 加入高斯噪声之后的几种滤波方式,均值滤波,中值滤波和维纳滤波-Several Gaussian noise filtering methods added later, mean filtering, median filtering and Wiener filtering
Add-Gaussian-noise-to-the-program
- 添加高斯噪声的程序,可以研究算法对信号抗噪性的鲁棒性,以及噪声压制-Add Gaussian noise to the program