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VSP_SE
- 自己编写的一个VC++程序,打开可执行程序后可以读取wave文件,此时程序将在客户区绘制波形图;之后可以计算短时能量、短时过零率和自相关函数,并且在客户区依次显示函数图像。-own VC prepared by a procedure to open executable wave after reading documents, this process will draw customers District waveform diagram; after short-term energy
selfCorrelationInRandomization
- 产生零均值单位方差高斯白噪声的1000个样点,估计随机过程的自相关序列-units have zero mean Gaussian white noise variance to the 1,000-point, it is estimated that the random process autocorrelation sequence
selfsimilarsequence
- 基于matlab的自相关序列产生.用到了分数阶高斯噪声和Hurst参数.
picturematlab
- 灰度共生矩阵和颜色自相关图矩阵的matlab实现的文档。
Radar
- 设计一个matlab雷达信号仿真界面程序。(提示:例如可以根据选择产生一个不同类型噪声(均匀分布、高斯分布等类型),并在界面中显示该噪声时域图形,并能根据要求画出该噪声的自相关、FFT等信号处理后的结果。)-Design a matlab radar simulation interface program. (Hint: for example, can choose to generate a different type of noise (uniform distribution, Ga
estimate-powers-spectrum
- 根据维纳-辛钦定理,广义平稳随机过程的功率谱是自相关函数值。但对于许多实际应用问题,可资利用的观测数据往往是有限的,所以要准确计算功率谱通常是不可能的。比较合理的目标是设法得出功率谱的一个好的估计值,这就是功率谱估计。本文通过分析经典功率谱估计和现代功率谱估计的多种方法,比较各种方法的优缺点。-According to Wiener- Xinqin theorem, wide-sense stationary random process is the power spectrum of the
zxl
- 利用维纳图像复原,并采用直接逆滤波、信噪比维纳滤波、自相关函数维纳滤波、中值滤波进行横向、纵向比较-Image restoration using Wiener and direct inverse filtering, Wiener filtering noise ratio, since the correlation function Wiener filtering, median filtering for horizontal, vertical comparison
zishiying
- 自适应信号滤波问题,可以用于初步了解相关原理-Adaptive signal filtering problems, can be used in a preliminary understanding of the relevant principles of
090211
- 细化参数的对数极坐标变换图像纹理特征提取算法提出一种细化参数的对数极坐标变换图像纹理特征提取算法,可以有效地消除旋转、缩放和平移等几何形 变的影响.在特征提取过程中,通过自相关图像消除平移的影响,引入细化参数的对数极坐标变换消除旋转和伸缩 的影响.在图像检索过程中,将不完全树型小波变换所得的特征矢量,通过欧式距离来度量图像之间的相似度.实 验表明,本算法对发生几何形变的纹理图像检索平均正确率达81.05 左右,较之传统算法能取得更好的检索 效果.-This paper p rop
XcorrGauss
- 生成高斯波形脉冲,并求解高斯脉冲的自相关结果-Gaussian pulse waveform is generated, and solve the results of Gaussian pulse autocorrelation
test1
- 在某个音乐厅内,原始音频信号的回音由于墙壁和天花板等的反射而产生,听众所感受到的音频信号是 和它的回音的合成。令y(n)=x(n)+ax(n-k),其中x(n)=cos(0.3pin)+0.5cis(0.6pin),a=0.1,k=50.产生100个样本,使用Matlab工具,求出其自相关,从中观测确定a和k. -In a concert hall, the original audio signal echo the walls and ceilings due to the reflec
16
- matlab 图像处理 使用噪声能量和图像一维自相关函数进行维纳滤波-matlab image processing and image noise energy use one-dimensional autocorrelation function of Wiener filter
Fractals
- 在MATLAB中象元的自相关性处理图像的纹理特征提取-In MATLAB, the autocorrelation of pixel image texture feature extraction processing
code
- 依据自相关运算和互相关运算的原理,对一信号进行自相关操作-Based on autocorrelation and cross correlation by using the principle of a signal from the correlation operation
language
- 高级数字信号处理,用各种方法包括music算法、burg法、布莱克曼法、协方差法、周期图法、自相关法进行谱估计,-Advanced digital signal processing, algorithms in various ways, including music, burg method, Blackman method, covariance method, periodogram, autocorrelation method, spectral estimation,
xiaoboandzixiangguan
- 基于小波变换和自相关函数的基音频率检测算法-Based on wavelet transform and autocorrelation function of the pitch frequency detection algorithm
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!
baizaosheng
- 按如下模型产生一组随机序列: x(n)=0.8x(n-1)+w(n) 其中w(n)为均值为1,方差为4 的正态分布白噪声序列。估计过程的自相关函数与功率谱。
Cyclic_correlation_symbol_rate_estimation
- 求符号率通常有小波分析发和循环自相关法,本文讲述了循环自相关求符号率的原理。-Symbol rate requirements of wavelet analysis are usually made and the cyclic autocorrelation method, this paper describes the cyclic autocorrelation principle of seeking the symbol rate.
code
- 噪声背景下的信号检测是一项复杂而又重要的任务,在雷达信号检测和通信领域都是重要的课题。在低信噪比情况下与普通自相关函数法进行了比较。给出了时域及频域(Signal detection in noisy background is a complex and important task. It is an important topic in the field of radar signal detection and communication. Compared with the gene