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My-XFEM-Matlab
这是原始的matlab扩展有限元程序，包括裂纹，夹杂分析，简单易懂(matlab for XFEM)
- 2021-04-14 10:18:55下载
- 积分：1
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OFDM
OFDM很容易在具有时延扩展或等效频率选择性的信道上使用。
频率选择性信道的特征在于延迟扩展或相干带宽，其测量频率中的信道去相关。
相干带宽与均方根（RMS）时延扩展成反比。
通过选择与信道相干带宽相关的子载波间隔，OFDM可以用于将频率选择性信道转换成频率平坦子信道的并行集合。
适合于平坦衰落信道的技术可以直接应用。(OFDM is simple to use on channels that exhibit time delay spread or, equivalently, frequency selectivity.
Frequency selective channels are characterized by either delay spread or coherence bandwidth which measures the channel decorrelation in frequency.
The coherence bandwidth is inversely proportional to the root-mean-square (rms) delay spread.
By choosing the sub-carrier spacing properly in relation to the channel coherence bandwidth, OFDM can be used to convert a frequency selective channel into a parallel collection of frequency flat subchannels.
Techniques that are appropriate for flat fading channels can then be applied in a straight forward fashion.)
- 2018-05-03 13:55:13下载
- 积分：1
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涡旋光束空间相位模拟
说明： 涡旋光束在光束的传播方向上有一个位相项e，而且它拥有一个光束轨道角动量，该matlab程序实现了从一个高斯基模变换到涡旋光束的基本功能。(The vortex beam has a phase term E in the direction of beam propagation, and it has a beam orbit angular momentum. The matlab program realizes the basic function of transforming from a Gaussian fundamental mode to a vortex beam.)
- 2020-03-11 14:41:25下载
- 积分：1
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matrix-codes
这是一下关于矩阵分解的程序，用matlab程序关于矩阵的qr分解(This is a program on matrix decomposition, using matlab realize matrix decomposition chol)
- 2014-11-21 23:01:54下载
- 积分：1
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d_Ieee39
psat 39节点数据 39节点数据 39节点数据 39节点数据 (psat 39)
- 2013-07-08 10:15:18下载
- 积分：1
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wavelet
可实现对灰度图片的小波变换，达到图像增强以及图像去噪功能(Grayscale images can be dealed with the wavelet transform, so to tealize image enhancement and image denoising function)
- 2010-08-30 16:19:22下载
- 积分：1
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Matlabbaodian
matlab宝典，包括了最简单最实用的实例，帮助新手学习(help greener study matlab easily)
- 2011-07-18 21:21:09下载
- 积分：1
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shuangmenxiananniu
基于Matlab的语音端点检测实验研究的按钮设计(Matlab-based Speech Endpoint Detection Experimental Study on the button design)
- 2008-04-18 15:57:41下载
- 积分：1
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不使用小波工具箱的快速小波变化
该程序不使用matlab自带的程序，自主编写，进行简单更改可以实现多中功能，算法思想是滤波器的实现！(The program does not use matlab own procedures, self-writing, more than a simple change in function can be achieved, the algorithm idea is the realization of filters!)
- 2009-12-02 13:37:19下载
- 积分：1
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Blind Equalizer 的演算法主要是利用CMA及 LMS 的配合
Blind Equalizer 的演算法主要是利用CMA及 LMS 的配合，当CMA将EYE打开，使讯号趋近于正确值，就切换到LMS，利用Slicer的输出当作training sequence来调整Equalizer的系数，而Carrier Recovery 的部份，则是将phase error track出来(Blind Equalizer algorithm is the use of the CMA and LMS tie, When the CMA will EYE open, signaling close to the correct value, it switched to the LMS. SLICER use of the output as training sequence to adjust Equalize The coefficient r, and some of Carrier Recovery, the type of track out phase error)
- 2020-12-17 17:59:13下载
- 积分：1
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