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powerspectrum
- 运用自相关法，周期图法和burg法分析加噪信号功率谱并比较-The use of auto-correlation method, periodogram analysis burg and noise signal power spectrum and compare
MUSIC
- 求一个复正弦加白噪声随机过程的信号： xn=exp(j*pi*n-j*pi)+exp(j*w0*n-j*0.7*pi)+v v(n)为零均值白噪声。S/N=10dB。取P=3，构造4阶的自相关矩阵R的基于MUSIC算法的功率谱估计的MATLAB程序-For a complex sinusoid plus white noise of the signal random process: xn = exp (j* pi* nj* pi)+ exp (j* w0* nj* 0.7* pi)+ v
01576960Beaulieu
- 通过MATLAB软件；通过仿真得出性能曲线；从而比较bpsk的性能-The bit-error rate (BER) of binary phase-shift keying in Rayleigh fading, using the Alamouti transmission scheme and receiver selection diversity in the presence of channel-estimation error, is studied. Closed-
coll
- labview编写的关于时域分析求互相关的程序，输两个信号，并且可以加噪声，求互相关-labview write on the time-domain analysis of demand cross-correlation procedures, lose two signals, and can add noise, seek cross-correlation
Correlator
- a program is generating a signal (harmonic or chirp signal (linear-frequency modulation)) for performing correlation function, which was noised by gaussian or with a noise has a uniform distribution with appropriate parameters (expectation value and
exp2_cor
- 计算正弦信号加噪声的相关函数。系数b 决定余弦相关函数在噪声指数型相关函数中的“比重”。T为正弦信号周期。正弦信号加相关噪声的相关函数图像为一个指数函数和一个余弦函数叠加的波形。-Calculated sinusoidal signal plus noise correlation function. Coefficient b determine the cosine correlation function in the noise correlation function of expon
Smooth-Music
- Smooth-Music ，Direction of Arrival Estimation In a communication situation, assuming flat fading,there may be multipath components from many directions. These components would be correlated with each other. Correlated components reduce the rank of
PSK
- 随着新技术的不断发展，数字期间有了越来越广泛的应用。在扩频系统中，已经开始研制数字相关解调器，从理论上讲，数字相关解调器必须有一个量化环节，因此，与模拟器件相关解调器相比，系统的信噪比会有所降低。但数字相关器件与模拟相关器件相比有更多的有点，模拟器件不容易做的大的时间带宽积，器件的性能对温度变化较敏感，而且编程困难，所以，数字相关解调的方案有独特的吸引力。-With the continuous development of new technology, digital has become
dsss_signal_detection_and_parament_estimate
- 自相关检测方法是利用信号和噪声在相关域上的差别来构造检测器的。自相关检测是将信号与自身延迟一个时延后的信号作相关处理，或用双通道接收机的输出进行相关，得到扩频信号的自相关函数-Auto-correlation detection method is the use of signal and noise in the relevant field to construct the difference detector. Autocorrelation test is a time delay
gaussian_filter
- 详细说明：1． 利用自相关函数法和周期图法实现随机信号的功率谱估计。 2． 观察数据长度、自相关序列长度、信噪比、窗函数、平均次数等对谱估计的分辨率、稳定性、主瓣宽度和旁瓣效应的影响。 --1. The use of auto-correlation function method and cycle map Method random signal power spectrum estimation. 2. Observation data length, the length of auto
Levinson_Durbin_Algo
- 功能描述：用matlab语言实现Levinson-Durbin算法 函数名：Levinson_Durbin_Algo 输入参数： (1)R:自相关矩阵或者其估计值 (2)P:AR模型的阶数 输出参数： (1)A:p阶AR模型的参数,它是一个长度为P+1的行向量 (2)E:噪声功率 调用函数：无 被调用：L_D_sim.m 作者：mingcheng 编写时间：2009-11-13 修改时间：2009-11-1
weituoxinhaochuli
- 信号在噪声幅值为1000倍时的提取和数据处理，相关滤波器的设计-Signal in the noise amplitude is 1000 times as extraction and data processing, correlation filter design
ABlindEstimationAlgorithmforPNSequenceinDSSSSignal
- 这是一篇很好的有关信道估计的文章， 可以用来快速的了解信道估计的基本内容-In this paper, a method for fast blind estimation of DS-SS signal is proposed which aims at the Direct-Sequence Spread- Spectrum (DS-SS) signals with parameters unknown. Considering the characteristic th
xiaobo
- 基于小波灰度相似关联强噪声图像处理算法。通过对图像进行三层小波分解，得到各个方向上的分量。然后根据同一方向上各层之间的灰色关联度区分是噪声还是边缘。在对该点值进行增强或减弱。从而实现对强噪声图像的滤波。该算法比其他算法效果更明显。-Gray similarity based on wavelet image processing algorithms associated with strong noise. Three of the images by wavelet decompositio
decisor_correlacao_generalizado
- It s a neural network decisor for Pareto set based in cross-correlation between a specific noise model and sucessive aproximation errors of the neural network that generates each solution of Pareto set.
xianguan
- 首先给图片添加噪声，然后实现图片的自相关和互相关！最后显示出来！-First, adding noise to the picture, and then realize the image autocorrelation and cross correlation! Finally displayed!
Wienernoisesuppression
- 维纳噪声抑制，1、 实验原理是利用信号之间的相关性进行信号估计，从而将噪声滤除； 2、 辅助观测信号的噪声抑制可利用Wiener-Hopf方程 求出维纳滤波器的系数 ，式中 是 的自相关阵， 是输入信号 和滤波器输入 之间的互相关矢量； -Wiener noise suppression, 1, experiment is the use of the correlation between the signals for signal estimation, which will fi
sp
- 用于计算图像鲁棒性的峰值信噪比和归一化相关系数。峰值信噪比值越大，说明图像处理效果越好，鲁棒性强，越小越不好。归一化相关系数值越大越好。-Images used to calculate the peak signal to noise ratio and robustness of the normalized correlation coefficient. The greater the peak signal to noise ratio, indicating that the bet
zixiangguanjiqilvbo
- 怎么在函数中加入高斯噪声，白噪声，比较它们的性质，并求它们的相关性-how to insert gaosi noise,white noise and then how to konw their correlation
zhenxinzixiangguan
- 如何在函数中加入一个正弦信号，求它和高斯噪声的相关性以及自相关-how to insert noise,and how to how the correlation with goss noise