Description: 用Burg算法估计AR模型参数，进而实现功率谱估计.
形参说明：
x——双精度实型一维数组，长度为n，存放随机序列。
n--整型变量,随机序列的长度。
p--整型变量,AR模型的阶数。
a--双精度实型一维数组，长度为(p十1)。存放AR模型的系数a(0),a(1),...,a(p)。
v--双精度实型指针,它指向预测误差功率，即AR模型激励白噪声的方差。
-with Burg algorithm estimates AR model parameters, thereby realizing the power spectrum estimation. - Participation : x -- double-precision real one-dimensional arrays, length n, storage random sequence. N -- integer variables, random sequence length. P -- integer variables, AR model of order. A -- double-precision real one-dimensional arrays, length (p 10). AR storage coefficient of a model (0), a (1 ),..., a (p). V -- double precision real-pointer, it forecast errors at power, AR model that inspired the white noise variance. Platform: |
Size: 22982 |
Author:lkz |
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Description: 自己编的LMS自适应算法的MATLAB源程序
本程序内容：
产生一个信号+白噪声序列，用lms算法自适应去除噪声；
lmsx.m为自适应函数
task2.m为主函数,其中调用lmsx.m
-own series of the LMS algorithm MATLAB source of this program : produce a white noise signal sequence, using LMS adaptive algorithm for removing noise; Lmsx.m of adaptive function task2.m main function, which calls lmsx.m Platform: |
Size: 959 |
Author:通信学生 |
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Description: 实现16QAM的算法程序，包含在白噪声信道条件下的性能实现程序-achieve 16QAM algorithm procedures contained in the white noise channel conditions of the performance of procedures Platform: |
Size: 2104 |
Author:吴非 |
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Description: 用来产生均匀分布或高斯分布的伪随机数 （近似白噪声），它们可具有不同的均值和方差。用REMEZ算法求交错点组。用Cholesky分解求ARMA模型的参数并作谱估计。求MA模型的参数 并估计功率谱。 用最小方差法估计序列 的功率谱。-used to produce uniform or Gaussian distribution of the pseudo-random number (similar to white noise). They may have a different mean and variance. Application of Remez algorithm used for staggered Point Group. Cholesky decomposition used for ARMA model and the parameters estimated for the spectrum. MA for the model parameters and the estimated power spectrum. With MVM sequence of the estimated power spectrum. Platform: |
Size: 5586 |
Author:zhoujianfang |
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Description: 自己编的LMS自适应算法的MATLAB源程序
本程序内容：
产生一个信号+白噪声序列，用lms算法自适应去除噪声；
lmsx.m为自适应函数
task2.m为主函数,其中调用lmsx.m
-own series of the LMS algorithm MATLAB source of this program : produce a white noise signal sequence, using LMS adaptive algorithm for removing noise; Lmsx.m of adaptive function task2.m main function, which calls lmsx.m Platform: |
Size: 1024 |
Author:通信学生 |
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Description: 用于机动目标跟踪的白噪声模型算法，本代码中需要调用模型函数，可以自己编写简单的模型函数即可。-For maneuvering target tracking algorithm for white-noise model, the code needs to call the model function, can I have written a simple model can function. Platform: |
Size: 1024 |
Author:郑光海 |
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Description: 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 classical MUSIC algorithm, it is estimated that a higher accuracy. Platform: |
Size: 1024 |
Author:兰天 |
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Description: 基于Matlab的典型图像增强算法的源码
程序代码说明
P0301：数字图像矩阵数据的显示及其傅立叶变换
P0302：二维离散余弦变换的图像压缩
P0303：采用灰度变换的方法增强图像的对比度
P0304：直方图均匀化
P0305：模拟图像受高斯白噪声和椒盐噪声的影响
P0306：采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波
P0307：采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波
P0308：图像的自适应魏纳滤波
P0309：运用5种不同的梯度增强法进行图像锐化
P0310：图像的高通滤波和掩模处理
P0311：利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理
P0312：利用巴特沃斯（Butterworth）高通滤波器对图像进行锐化处理-They are typical Matlab-based image enhancement algorithm.
Procedure Code Description
P0301: digital image data display matrix and its Fourier transform
P0302: Two-dimensional discrete cosine transform image compression
P0303: the use of gray-scale transformation method of contrast-enhanced images
P0304: Histogram of homogenization
P0305: analog image by Gaussian white noise and salt and pepper noise
P0306: A two-dimensional median filter function by medfilt2 of salt and pepper noise image filtering
P0307: the use of MATLAB s function affected by noise interference filter2 images mean filter
P0308: Image Adaptive Weiner Filter
P0309: the use of five kinds of different gradient enhanced image sharpening method
P0310: Image of high-pass filtering and mask treatment
P0311: the use of Butterworth (Butterworth) low pass filter on the image noise by smoothing treatment
P0312: the use of Butterworth (Butterworth) high-pass filter for sharpening Platform: |
Size: 21504 |
Author:panghuanzhi |
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Description: 功能描述：测试LMS与RLS算法，比较两种算法的收敛特性
文件名：LMS_RLS_sim.m
测试用例：
x(n)+a1*x(n-1)+a2*x(n-2)=e(n)，a1=-1.6,a2=0.81,e(n)为高斯白噪声
文件输出：系数a1的值
调用函数：function [A] = LMS_Algo(M,N,mu,xn)
被调用：无
作者：mingcheng
编写时间：2009-10-13
修改时间：2009-10-13
版本：V1.0 - Function Description: Test LMS and RLS algorithm, the convergence characteristics were compared file name: LMS_RLS_sim.m test case: x (n)+ a1* x (n-1)+ a2* x (n-2) = e (n), a1 =- 1.6, a2 = 0.81, e (n) is Gaussian white noise file output: the value of coefficient a1 call the function: function [A] = LMS_Algo (M, N, mu, xn) is called: No of: mingcheng write time :2009-10-13 modified :2009-10-13 version: V1.0 Platform: |
Size: 1024 |
Author:赵明诚 |
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Description: 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 method, Music algorithms and Esprit frequency estimation algorithm, the signal source is: where,,, a Gaussian white noise, variance. 128 data samples used to estimate. 1, with three kinds of frequency estimation algorithm, run independently 20 times, record the estimated value of each method to calculate the mean and variance 2, the increase in noise power, observation and analysis of the performance of various methods. Platform: |
Size: 2048 |
Author:gab |
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Description: 编程产生一组正态分布的白噪声信号,它的均值和方差以及长度可随意调整。将产生的白噪声信号存入数据文件。
本程序算法用C++语言编写。首先用乘同余法产生均匀分布白噪声，再用变换抽样法转换为高斯分布白噪声
-Program produces a set of normal white noise signal, its mean and variance, and the length can be adjusted. Will produce a white noise signal into data files. The program algorithm using C++ language. I first used by the same method to produce uniform distribution of white noise, and then transform sampling Gaussian white noise into Platform: |
Size: 5120 |
Author:chenshan |
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Description: 在自适应控制中，用Matlab算法实现白噪声及有色噪声序列的产生-In adaptive control, white noise with Matlab algorithm and the generation of colored noise sequence Platform: |
Size: 18432 |
Author:xiajulong |
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Description: 针对高斯白噪声，高斯色噪声以及色噪声中常见的粉红色噪声进行了降噪处理，并与相关系数法、小波软阈值降噪方法进行了对比- Gaussian white noise, Gaussian colored noise and pink noise have been processed to verify the validity of the algorithm. we also compared the proposed method with the correlation coefficient method and wavelet soft threshold noise reduction methods. Platform: |
Size: 4096 |
Author:angelia |
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Search - white noise algorithm