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zjf147
- 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
ARPUFENXIYUZISHIYINGZHENGQIANGQI
- 构造一组输入为白噪声加三个频率非常接近的正弦波,其信噪比为10dB,观测长度为256。试分别用普通AR谱估计和采用功率噪声抵消算法的AR谱估计估计这组信号的频率,并比较结果。-constructed a group of white noise input plus three very close to the frequency sine wave, the signal-to-noise ratio of 10dB. Observing length of 256. Were used t
esprit.rar
- 用esprit算法估计复正弦加白噪声的信号频率,f给出正弦信号的频率估计值,Esprit algorithm with an estimated increase in complex white noise sinusoidal signal frequency, f the frequency of sinusoidal signal given the estimated value of
Matlab-FinishedOne
- 针对夹杂有白噪声的正弦信号的功率谱估计仿真-Mixed with white noise for sinusoidal signal simulation of the power spectrum estimation
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
mmm
- 递推的极大似然估计算法求解系统辨识问题,输入为M序列,噪声影响可调-The recursive maximum likelihood estimation algorithm for system identification problem
xgzsmx
- 相关噪声模型和相关函数计算 相关函数是平稳随机过程的重要数字特征,根据观测记录的信号波形或者一串数据序列,来估计该信号的自相关函数是信号处理的重要方法之一。-correlation noise model and correlation function
Cmartin20001l
- 经典噪声估计,用于speech enhancement可直接使用。 -Classical noise estimation for speech enhancement can be used directly.
pujianfa
- 基本谱减基础上,对噪声估计做出了改进;有汉语注释;读起来方便-Basic spectral subtraction based on the noise estimation made improvements annotated in Chinese read
spectral-subtraction-algorithm
- 本文首先研究了语音激活检测算法。对基于短时能量和短时过零率双门限法语音激活检测的噪声估计算法做了研究及仿真,同时还研究了一种基于最小子带能量的噪声估计方法。-Firstly, studied voice activity detection algorithms. Based on activity detection and short-term energy zero rate threshold method voice noise estimation algorithm to do t
paper2
- 2基于噪声估计和听觉掩蔽效应的语音增强.pdf-2 speech and auditory masking noise estimation based enhancements. Pdf
test3
- 1)产生高斯白噪声; 2)产生高斯色噪声; 3)产生高斯谱相关对数正态分布随机序列; 4)对产生的上述随机序列进行功率谱估计; 5)对产生的上述随机序列进行概率密度函数估计。(Generating a Gaussian spectral correlation logarithmic normal distribution random sequence;)
8
- 加性噪声相关时带乘性噪声系统的最优估计(when the additive noise related systems with multiplicative noise estimation)
noise level estimation PCA-based
- 利用PCA,提取图像中特征值最小的区域,来估计图像噪声(PCA is used to extract the smallest region of the image feature to estimate the image noise)
01424470
- 子空间噪声估计方法,一篇具有一定参考价值的论文(Subspace-Based Noise Variance and SNR Estimation for OFDM Systems)
estimation
- 用的是estimation加权最小二乘法状态估计法, 主要思想: 1、建立一个生成zdatas.m的函数,函数中先调用潮流计算; 2、电压幅值结果在潮流结果的bus变量中;节点注入功率量测取PQ节点负荷值的相反数;传输功量测取branch中的传输功率值。 3、对上一步提到的量测值随机添加白噪声; 4、视算例所要分析的问题,确实是否设置坏数据,若是,则设置; 5、将添加白噪声和坏数据后的量测输出到zdatas.m文件中。(The main idea is to use the estim
Voice enhancement
- 使用MATLAB平台,实现对语音信号的噪声估计,以方便滤除噪声,实现语音增强。(Using the MATLAB platform, noise estimation of the speech signal is implemented to facilitate noise filtering and speech enhancement.)
music改进算法
- 一种基于信号子空间和噪声子空间的music改进算法(An improved music algorithm based on signal subspace and noise subspace)
music
- MUSIC 算法MATLAB仿真源代码 clc clear all format long %将数据显示为长整型科学计数 N=200;%快拍数 doa=[20 60]/180*pi; %信号到达角 w=[pi/4 pi/3]';%信号频率 M=10;%阵元数 P=length(w); %信号个数 lambda=150;%波长 d=lambda/2;%阵元间距 snr=20;%信噪比 B=zeros(P,M); %创建一个P行M列的0矩阵 for k=1:P B
vb-akf-demo
- 针对线性高斯系统,采用共轭分布实现量测噪声未知情况下的状态估计和噪声方差辨识。(For linear Gaussian system, a conjugate distribution is adopted to estimate system state and identificate measurement noise variance.)
