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数字图像在产生过程中经常会受到噪音污染。因此,对于数字图像应该对其进行去噪音处理。在传统的基于傅里叶变换的信号去噪音方法中,可以使得信号和噪音的频带重叠部分尽可能的小,这样就可以在频域通过时,不需改变滤波方法而将信号和噪音分隔开来。但是,如果信号和噪音的频域重合时,用该方法进行噪音处理的效果就比较差。-digital image in the selection process will be subject to regular noise pollution. Therefore, the digital image should be carried out to deal with the noise. Based on the traditional Fourier Transform method of signal to noise, can result in a signal and noise bands overlap small as possible, so it can be adopted in the frequency domain, the need to change methods of filtering the signal and noise to separate. However, if the signal and noise in the frequency domain coincidence, the method for dealing with the effects of noise on the relatively poor.
Date : 2008-10-13 Size : 4.86kb User : 吴胜

为我们提供了一段白噪声数据产生的matlab程序-to provide us with a white noise of data procedures Matlab
Date : 2008-10-13 Size : 7.92mb User : 叶君

为大家提供了粉色噪声产生方法的一段matlab程序-to provide you with a pink noise of a Matlab procedures
Date : 2008-10-13 Size : 8.14mb User : 叶君

对于含有噪声的的数字图像模式“1、2、3、4”,使用“hopfield”神经网络,进行联想、识别,以去除噪声的影响。-for containing noise of the digital image model "1,2,3,4", "hopfield" neural network, Lenovo, identification, in order to remove noise impact.
Date : 2008-10-13 Size : 1.92kb User : 潘盼

程序是对心电信号进行噪声去除,采用的是数度较快的滤波器组,能快速完成计算任务-procedures of the ECG signal for noise removal, using a few degrees faster filters can rapidly complete computing tasks
Date : 2008-10-13 Size : 1.7kb User : 唐娜

可对噪声处理后的心电数据进行评价,既噪声的估计,用信噪比来评价的-noise can be dealt with right after the ECG data for evaluation, we estimate the noise used to evaluate the SNR
Date : 2008-10-13 Size : 855byte User : 唐娜

经PPM调制的超宽带信号经高斯白噪声信道的系统仿真,给出了时域和频域图-After the PPM modulation ultra-wide band signal after the Gauss white noise channel system simulation,and give the time domain and the frequency range chart!
Date : 2008-10-13 Size : 4.04kb User : 谭汉洪

理解随机信号功率谱分析原理和方法。 (1) 生成信号,被淹没在在噪声中; (2) 试用周期图法估计信号的功率谱; (3) 选用不同窗,使用修正周期图法估计信号的功率谱; (4) 对一段语音信号,使用LD算法估计其功率谱; (5) 详细列出功率谱估计的步骤和原理。 -understanding of random signal power spectrum analysis principles and methods. (1) generate signals being drowned in the noise; (2) The probationary period plan estimates the signal power spectrum; (3), different windows, the use of map amendment cycle method to estimate the power spectrum signal; (4) a voice signal, the use of LD algorithm to estimate the gong spectrum; (5) a detailed breakdown of the power spectrum estimation steps and principle.
Date : 2008-10-13 Size : 36.98kb User : 殷开

给定入射信号角度分别为 -22度 ,6度,18度时,不同信噪比情况下各种空间谱估计算法得到的曲线图-given incident signals point to -22 degrees, 6 degrees, 18 degrees, the signal to noise ratio under different space spectral estimation algorithm of the curve
Date : 2008-10-13 Size : 3.62kb User : 许晓凡

基于进化BP网络的含噪声点阵数字识别的源程序,希望对大家有所启示。-BP network based on the evolution of the digital matrix containing noise identification of the source, we hope to reveal.
Date : 2008-10-13 Size : 610.96kb User : 黄善理

用相空间局部投影法对加噪混沌时间序列去噪或进行混沌序列与正弦信号的分离。-phase space with local law to increase the projector noise chaotic time series denoising or chaotic sequence with sinusoidal signal separation.
Date : 2008-10-13 Size : 1.32kb User : friee

一致性扩散原理求解偏微分方程,常用来进行超声图像的斑纹噪声消除算法-consistency proliferation principles of nonlinear partial differential equations, commonly used to stain the ultrasound image noise reduction algorithm
Date : 2008-10-13 Size : 3.38kb User : 高永辉

自适应噪声对消源程序,LMS算法自适应滤波器仿真-adaptive noise cancellation source, LMS adaptive filter algorithm simulation
Date : 2008-10-13 Size : 1.1kb User : gjd

关于自适应滤波的一系列程序,包括二进制信道均衡,噪声对消,信号增强等,斑竹,该加精了吧?-adaptive filter on a series of procedures, including binary channel equalization and noise cancellation and signal enhancement, fed, the rate is honed?
Date : 2008-10-13 Size : 36.09kb User : gjd

一个简单的高斯噪声的源程序-a simple Gaussian noise source
Date : 2008-10-13 Size : 10.5kb User : 林林

这是本人用Matlab实现音频噪声滤除的试验,要求分析并选用适当滤波器-using Matlab audio noise filtering tests, requirements analysis and the choice of appropriate filter
Date : 2008-10-13 Size : 186.29kb User : dg

用改进的神经网络MBP算法辨识 ,对具有随机噪声的二阶系统的模型辨识-improved neural network algorithm for identification of MBP, the random noise with the second-order system model
Date : 2008-10-13 Size : 1.71kb User : 孙鹏飞

CFAR代码,CFAR是用于雷达的一种滤波方法,称为平均值滤波,本程序给出了主程序以及CFAR-function,并且有噪音图和信号图,可以进行比较分析-CFAR code, CFAR radar for a filtering method, known as average filtering, the process is the main program and CFAR-function, and the noise and signal map plan, it can conduct a comparative analysis
Date : 2008-10-13 Size : 1mb User : zz

用来产生嵌入到随机噪声内的正弦波算法的C源程序。-used to produce embedded into random noise sine wave within the algorithm in C source code.
Date : 2008-10-13 Size : 1.19kb User : minytian

matlab 的白噪声, -Matlab white noise, the white noise Matlab and Matlab white noise, the white noise Matlab,
Date : 2025-12-29 Size : 8kb User : 代健美
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