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sparfilt
优点:1.对于信噪比高的信号滤波效果好;
% 2.对于边沿的保护强过阈值滤波,不会产生阈值滤波情况下的过于平滑与Gibbs现象。
%缺点:1.由于对边沿信号没做任何处理,所以边沿可能会有脉冲噪声保留下来;
% 2.计算相关系数中,如果计算出来的小波系数点位置偏差大,则相关系数计算受影响;
% 3.需要迭代运算,迭代的噪声能量阈值选取很重要,这里以开始段无信号处估计噪声;
% 4.需要迭代运算,所以运算量比阈值法大;
% 5.受分解层次影响,在大尺度上小波系数点位置偏差更大,相关系数计算不准确。
%需要具体调整的地方:1.分解的尺度;()
- 2008-03-28 10:26:51下载
- 积分:1
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myself
一个自己用到的用matlab编写的fdtd源程序,感觉还可以。里面的参数没有设置,可以自己根据需要设置。(Used with its own written fdtd matlab source, feeling okay. Inside the parameter is not set up my own according to their needs.)
- 2011-05-10 17:05:41下载
- 积分:1
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Time
用Matlab编写可一个可看的时钟模拟器,指针形式不是数值形式。(Using Matlab to write a simulator to see the clock, not the form of a pointer value in the form.)
- 2011-07-04 21:47:05下载
- 积分:1
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yuanma
基于蚂蚁群算法的三维路径规划。有实例,可以运行。(3-D path planning algorithm based on ant colony.)
- 2013-04-15 09:09:05下载
- 积分:1
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EMD
EMD分解算法,包含matlab、C++、JAVA三種環境下的編程,附有說明(EMD decomposition, including matlab, C++, JAVA programming under three annotated)
- 2021-03-31 10:39:09下载
- 积分:1
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dist2.m
A function that calculates radial distance between two given vectors
- 2010-12-02 12:54:33下载
- 积分:1
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least-squares-support-vector-machine
用最小二乘支持向量机的算法做一个对正弦波信号的跟踪,跟踪效果很好(Using least squares support vector machine algorithm to make one pair of sine wave signal tracking, tracking works well)
- 2013-10-03 17:23:14下载
- 积分:1
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dwt
研究中我么采用分段的方法对数字音频信号嵌入水印。为便于研
究,以灰度图像为数字水印原始信号经二值化处理后得到水印再嵌入
音频信号的离散变换域中,从而得到嵌入水印的音频信号,其实现过
程原理框图如图1 所示。在水印嵌入的过程主要实现四个阶段的任
务:(1)数据准备与预处理,主要是准备好水印原始图片和待嵌入水印
的音频信号 (2)音频信号分段处理,用于嵌入水印的音频数据部分等
分成(m1*m2)个音频数据段 (3)水印图像降维处理,在此过程灰度图像
水印转化为二值图象, 要将其嵌入到一维的数字音频信号中, 必须将
二维的图像转化成一维的序列 (4)将水印嵌入到数字音频信号中,从而
最终获得带数字水印的音频信号。(The study I Mody, segmented digital audio signal embedded watermark. Discrete transform domain to facilitate the study of the grayscale image for the digital watermark the original signal is obtained after the binarization processing watermark embedded in the audio signal, thereby obtaining the watermark embedded in the audio signal, and its implementation process schematic block diagram shown in Figure 1. Mainly in the watermark embedding process to achieve the task of four phases: (1) The data preparation and pretreatment, is ready to watermark the original picture and to be embedded in the audio signal of the watermark (2) audio signal segment processing for embedding watermark The audio data portion is divided into (m1* m2) audio data segment (3) The watermark image dimension reduction processing, binary image is converted to grayscale image watermark in this process, and to be embedded into a digital audio signal of a one-dimensional , two-dimensional images must be converted in)
- 2013-03-19 21:11:22下载
- 积分:1
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MaskingSub
该例程是基于人耳掩蔽效应的语音增强算法的MATLAB实现。压缩包中附带参考文献(基于人耳掩蔽效应的谱减算法的研究与实现)、测试所使用的音频信号、以及段信噪比计算函数。源代码中MaskingSub.m(源代码主要部分)及Main.m为本人所写,其余均来自程序员联合开发网。运行环境MATLAB R2009b(Key words:masking property, spectral subtraction algorithm)
- 2013-08-02 09:44:39下载
- 积分:1
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regu
正则化算法的matlab程序,采用Tiknov标准方法计算反问题的程序(Regularization algorithm matlab program, using the program Tiknov standard method to calculate the inverse problem)
- 2012-06-12 11:14:56下载
- 积分:1