搜索资源列表
levinsonf
- 信号为两个正弦信号加高斯白噪声,用levinson递推法进行功率谱估计。-Signal for two sinusoidal signal plus Gaussian white noise, with levinson recursive power spectrum estimation method.
16qam_channel_encode
- 一、 本程序采用16QAM调制方式,对一串2进制信源进行调制,采用(7,4)循环码对信源做信道编码,用升余弦滚降函数进行基带调制,再调到高频信道;在信道上加入高斯白噪声,运用匹配滤波器解调,画出解调星座图,运用最小欧氏距离译码判决,再对信号进行信道解码,画出采用信道编码技术和不采用信道编码技术的误比特率图。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated,
ASKBPSk
- 噪声背景下的语音端点检测和语音增强算法,在信噪比很低的强航空噪声背景下,-aviation noise background voice endpoint detection and voice enhancement algorithms, and very low signal to noise ratio in the strong aviation background noise, particularly effective
LMS
- 噪声抵消的matlab程序源码 LMS算法 matlab程序-Matlab noise cancellation process of the LMS algorithm matlab source program
eg-fft
- fft1.用Matlab产生正弦波,矩形波,以及白噪声信号,并显示各自时域波形图 2.进行FFT变换,显示各自频谱图,其中采样率,频率、数据长度自选 3.做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4.用IFFT傅立叶反变换恢复信号,并显示恢复的正弦信号时域波形图-fft1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and displa
FFT
- Matlab中的fft分析含噪声的信号,其中有直接FFT,时域同步平均后FFT,频域同步平均后FFT-Matlab' s fft of noisy signals, which have a direct FFT, time-domain synchronous averaging the FFT, frequency domain averaged FFT synchronization
imnoise
- 用matlab 实现的 噪声添加函数代码。-Matlab implementation of the noise used to add function code.
Matlab的IIR_Butterworth低通数字滤波器
- 实现了用matlab编写的巴特沃斯(Butterworth)滤波器,对加入高斯白躁的图像进行处理,用户可以调解白噪声的强度,滤波器的阶数,滤波半径等参数。压缩包里包括具体的实验报告,所以的源码(.m文件)。代码大部分都加有注释,方便理解
matlab-6
- 数字图形处理实验例题 造成图像退化的原因很多,大致可分为以下几个方面: (1)射线辐射、大气湍流等造成的照片畸变。 (2)模拟图像数字化的过程中,由于会损失部分细节,造成图像质量下降。 (3)镜头聚焦不准产生的散焦模糊。 (4)成像系统中始终存在的噪声干扰。 (5)拍摄时,相机与景物之间的相对运动产生的运动模糊。 (6)底片感光、图像显示时会造成记录显示失真。 (7)成像系统的像差、非线性畸变、有限带宽等造成的图像失真。 (8) 携带遥感仪器的飞行
pll
- 数字通信中的锁相环(PLL)完整程序,包括噪声处理,可用于GPS的的跟踪和捕获-the matlab code of PLL ,including how to deal with the noise ,which can be used to acquiring and tracking on GPS
noiseFM
- 产生噪声调频干扰信号,并画出它的时域和功率谱-Noise FM jamming signal
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.
vad
- 几篇带噪声语音信号端点检测算法的论文,希望对大家有用-Speech signal with noise several endpoint detection algorithm for papers, in the hope that useful
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.
noitvdese
- 本程序实现全变分(Total Variation, TV)的去噪算法,它使用了PDF纠正TV算法中的小问题。该算法可以很好地保留原图边缘信息的同时,去除噪声。-This procedure to achieve full-variational (Total Variation, TV) denoising algorithm, which uses a PDF corrective TV algorithm of small problems. The algorithm is well po
Untitled
- 关于高斯白噪声下信源数目的估计程序-On the Gaussian white noise source under the estimate of the number of procedures
C_LMS
- 研究利用LMS自适应均衡器纠正存在加性白噪声的信道的畸变。讨论步长参数 和特征值扩散度 对学习曲线的影响。-To examine the use of LMS adaptive equalizer to correct the existence of additive white noise distortion channel. Discussion of step parameters and eigenvalues of the proliferation of degrees of i
C_RLS
- 研究利用RLS算法自适应均衡器纠正存在加性白噪声的信道的畸变。讨论特征值扩散度 对学习曲线的影响。 比较RLS算法和LMS算法在不同信噪比情况下的学习曲线。 -RLS algorithm using adaptive equalizer to correct the existence of additive white noise distortion channel. Eigenvalue discussion diffusivity impact on the learning cur
linearroot
- 求根MUSIC算法,仿真中使用的阵列为均匀阵列,阵列数为8,接收信号数为2个,噪声为高斯白噪声。此算法是对经典MUSIC算法的改进,估计精确度更高。-Root MUSIC algorithm, the use of simulation for the uniform array of arrays, arrays of 8 to receive the signal number 2, noise is Gaussian white noise. This algorithm is the c
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