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speech
This is amatlab coding, implement the speech privacy using frequency domain method. it also includes the detection of end of speech algorithm to reduce the bandwidth consumed
- 2010-12-14 20:30:08下载
- 积分：1
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FFTfrequencychartisanalytical
1．通过实验加深对快速傅立叶变换（FFT）基本原理的理解。
2．了解FFT点数与频谱分辨率的关系，以及两种加长序列FFT与原序列FFT的关系。
离散傅里叶变换（DFT）和卷积是信号处理中两个最基本也是最常用的运算，它们涉及到信号与系统的分析与综合这一广泛的信号处理领域。实际上卷积与DFT之间有着互通的联系：卷积可化为DFT来实现，其它的许多算法，如相关、滤波和谱估计等都可化为DFT来实现，DFT也可化为卷积来实现。(1. Deepen the experimental fast Fourier transform (FFT) the basic tenets of understanding. 2. Understand the FFT spectrum and points of the resolution, and two extended sequence with the original FFT FFT relations. Discrete Fourier Transform (DFT) and the convolution of two signal processing is the most commonly used basic arithmetic, they relate to the signal and system analysis and synthesis of the wide range of signal processing field. DFT actually convolution and interoperability between contact : DFT into convolution can be achieved in many other algorithms, If relevant, filtering and spectral estimation could be achieved as DFT, DFT into convolution can be achieved.)
- 2007-03-09 23:52:10下载
- 积分：1
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gauseid
matlab矩阵计算 Gauss-Seidel迭代法解线性方程组(matlab matrix calculation Gauss-Seidel iteration method for solving linear equations)
- 2013-04-02 11:15:37下载
- 积分：1
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Optimal-Decision-Boundaries-for--QAM
Optimal Decision Boundaries for -QAM
- 2014-02-20 10:15:56下载
- 积分：1
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light-intensity-distribution
高斯光束在传播过程中，在光腰处的二维和三维以及焦点处的光强分布图(Gaussian beam propagation, the light intensity distribution in two and three dimensions as well as the focal point of the beam waist at)
- 2014-04-27 22:14:58下载
- 积分：1
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Matlab
nonmaxsup——非最大值抑制
hysthresh——设定阈值区间，返回一个二值化图像
canny——边缘探测，图像边缘增强
adjgamma——调整图像的伽马值
findline——利用线性Hough变换和Canny边缘探测得到的线上各点的坐标
circlecoords——返回由圆的半径和圆心坐标决定的圆上各点像素的坐标
houghcircle——取一幅经过canny变换的图像，利用hough变换找到图像中的一个圆
findcircle——计算所得线上各点的坐标归纳出一个圆的半径和圆心，确定该圆的各点坐标
gaborconvolve——利用一维盖伯滤波器对图像进行处理
gethammingdistance ——返回两幅虹膜图像提取的特征码之间的海明距离
linecoords——返回一条线的上各点的x,y坐标值(nonmaxsup- non-maximum suppression hysthresh- set the threshold range, returns a binary image canny- edge detection, image edge enhancement adjgamma- adjust the image' s gamma value findline- linear Hough transform and Canny edge detection get the coordinates of each point circlecoords online- Returns coordinate houghcircle on the circle of the radius and center coordinates of the points decision pixels- After taking a picture canny transformation, using hough transform to find the image of a circle findcircle- the calculated coordinates of each point line summed up a circle of radius and center, to determine the coordinates of each point of the circle gaborconvolve- using a 维盖伯 filter for image processing gethammingdistance- returns two iris images extracted linecoords Hamming distance between the signature- a return line to the points on the x, y coordinate values)
- 2014-05-10 17:18:37下载
- 积分：1
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MIMO-OFDMgujiduibi
MIMO-OFDM，不同信道条件下的估计对比程序(MIMO-OFDM, channel estimation procedure compared)
- 2010-09-10 10:51:06下载
- 积分：1
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REG_I_EMF
Matlab simulation of the back efm effect.
- 2009-11-05 17:30:27下载
- 积分：1
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bp
说明： BP算法是应用最广泛的神经网络算法，常用于预测，得到了很好的效果(BP algorithm is the most widely used neural network algorithm, commonly used in forecasting, we get good results)
- 2010-05-04 17:03:15下载
- 积分：1
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ide86
ide86.rar单位脉冲，单位阶跃，正弦函数等连续信号的MATLAB表达式。.. (ide86.rar pulse units, unit step, Sine function as a continuous signal MATLAB expression. ..)
- 2006-05-23 13:38:48下载
- 积分：1
