搜索资源列表
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.
Ed200307
- 能量检测，根据以URKOWITZ 在1967年发表的能量检测文章以及Digham 2003、Ghasemi 2007发表的一系列文章为参考， 在AWGN信道中，给定SNR下，先产生一个原始信号（单音或者BPSK基带信号），然后叠加高斯噪声， 再进行能量检测-Energy detection, according to URKOWITZ the energy released in the 1967 test articles, and Digham 2003, Ghasemi 2007 se
matlab
- 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，并且进行除噪性能判断-Add a picture for uniform noise and Gaussian noise, salt and pepper noise, and the use of a modified mean filter and adaptive median filtering for noise removal, noise removal performance and
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
image_processing
- 中值滤波 均值滤波 高频提升滤波 sobel算子 robert算子锐化 高斯噪声生成程序 图像处理-Median filter to enhance high-frequency filter mean filter sobel operator robert Operator Sharpens Gaussian noise to generate image processing procedures
snr_serMatlab
- 数字通信系统中采用基带传输和频带传输[ 1, 2 ] ,在抽样判决器之前,信号叠加了信道噪声. 本文利用 Matlab软件仿真[ 3, 4 ]分析了在判决器前叠加了高斯噪声后,信噪比与系统的误码率之间的关系.-Digital communication system using baseband transmission and band transmission [1, 2], in a sample before the decision device, the signal super
Gauss_noise_generation
- 能够产生高斯白噪声，有色噪声和一般噪声。用于matlab仿真实验。-Generated Gaussian white noise, colored noise and general noise.
esprit
- 经典ESPRIT算法，在等间距接受阵列的条件下，直接估计出我们想要接收信号的角度。八个接收天线，二个目标信号，噪声为高斯噪声。-Classical ESPRIT algorithm, such as spacing in the array to accept the conditions, we want to directly estimate the received signal point of view. Eight receiving antennas, two target si
KL_tracking
- 杂波模型为重尾噪声，滤波器为kalman-levy滤波器，此滤波器在噪声不是高斯噪声时效果优于卡尔曼滤波器-Clutter model for heavy-tailed noise filter for the the the kalman-levy filter, this filter is better than the Kalman filter noise is not Gaussian noise
c-Gauss.noise
- 产生高斯白噪声的源码，对数值模拟计算很有帮助的-Generated Gaussian white noise source, the numerical simulation of helpful
Gaussian-Noise-Image-Add
- 这个程序用于在图片中增加各种噪声，如高斯椒盐噪声, 加性或乘性等多种混合噪声，用于其它程序的测试。-This procedure is used to increase the variety of picture noise, such as salt and pepper Gaussian noise, additive or multiplicative noise, such as a mixture for testing other programs.
add_noising
- my_noise文件是已知信号方差，加入信号噪声，可以加入高斯噪声，淑盐噪声,等其他噪声十分有用 其他两个函数时加入噪声信噪比SNR,但是有一点,这种方法并不准确,不能保证加入噪声信噪比为SNR,实际测试中可以看出,但是可以加入相同的信噪比的噪声-my_noise document is known to signal variance, by adding signal noise, Gaussian noise can be added, suk salt noise, noise, a
LMSyuyin
- 本文将现实中采集到的一段语音加上了高斯白噪声，利用了LMS算法，将噪声滤除，仿真效果良好-This article will be collected in reality a section of voice coupled with a Gaussian white noise, using the LMS algorithm, the noise filtering, simulation results
gongzhen
- 描述阀值系统中的随机共振现象，其中fazhi2是二进制随机信号加入高斯噪声的随机共振现象。-System descr iption of threshold stochastic resonance phenomenon, which is a binary random signal fazhi2 adding Gaussian noise of the stochastic resonance phenomenon.
GalileocodinginAWGN
- AWGN信道下高斯噪声干扰下GALILEO编码译码系统性能仿真，包括误码率仿真-AWGN channel Gaussian noise interference GALILEO codec simulation system performance, including bit error rate simulation
GPScodinginAWGN
- AWGN信道下高斯噪声干扰下GPS编码译码系统性能仿真，同时进行了误码率的仿真-AWGN channel Gaussian noise jamming GPS system performance codec simulation, at the same time the BER simulation
psnr_noise
- 图像的小波去噪,给灰度图像加上一定量的高斯噪声,再采用小波变换的方法去噪,计算去噪前后图像的PSNR。-Wavelet Denoising images to grayscale images coupled with a certain amount of Gaussian noise, and then using the method of wavelet transform denoising calculated before and after denoising images PS
widesignal
- 高斯噪声环境下宽带矢量信号仿真-Gaussian noise environment simulation of broadband vector signal
2008_4
- 试说明卷积编解码的工作原理。 请用Simulink仿真卷积编码，并用Viterbi译码的方法进行解码，其中的编解码全部自己编写代码(S-Function方式)，在加性白高斯噪声信道中，画出比特信噪比与误码率的关系曲线。 -Descr iption Convolutional codec test works. Please use Simulink simulation of convolutional coding and Viterbi decoding method used to