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DSSS
(1) 产生数值为±1的用户随机数据；给出Matlab下对应的模块；
(2) 产生并给出64×64的Walsh矩阵，作为用户接入的扩频码；
(3) 利用上述一个用户的扩频码和用户数据演示扩频过程；给出Simulink工作框图；
(4) 利用FFT，计算并画出基带数据和扩频信号的频谱（在一个图中给出）；
((1) value of ± 1 generated random data users given under the corresponding Matlab module (2) generation and gives the Walsh 64 × 64 matrix, as the user access to the spreading code (3) the use of the a user' s spreading code and spread spectrum user data presentation process given work Simulink block diagram (4) the use of FFT, calculate and draw the base-band spectrum data and the spread spectrum signal (given in a diagram) )
- 2010-06-29 00:21:25下载
- 积分：1
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15615
说明： matlab一维提升小波变换，二维提升小波变换(matlab one-dimensional wavelet transform, two-dimensional lifting wavelet transform)
- 2010-05-04 11:55:43下载
- 积分：1
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ase-filter
by using optisystem filter design
- 2013-05-22 19:02:17下载
- 积分：1
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Fresnel-formula
采用菲涅尔公式分析平板基底材料的能量透射、反射特性
(Fresnel s Formula，Reflectance characteristics，Transmittance characteristics)
- 2021-04-14 16:18:55下载
- 积分：1
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中值与小波结合去噪程序
说明： 利用中值滤波和小波相结合的方式，去除信号中含有的随机噪声和脉冲噪声(The method of combining median filter with wavelet is used to remove the random noise and impulse noise in the signal)
- 2020-09-02 09:55:57下载
- 积分：1
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goodotsu
matlab实现三维CT图像的分割，阈值分割法来实现(Three-dimensional CT images matlab segmentation, threshold segmentation method to achieve)
- 2010-06-03 12:37:16下载
- 积分：1
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wavelet_denoise
两种小波一维信号消噪的效果不错的代码，精心实验所得(one code with two effective 1D denoising ways of wavelet, has tried hard to finish it)
- 2012-03-23 19:29:15下载
- 积分：1
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m-gold-corr
里面包含m序列，gold序列的生成函数，还有自己编写的自相关函数的M文件。(Which contains m-sequence, the gold generating function of the sequence, as well as I have written the autocorrelation function M-file.)
- 2013-05-14 17:41:52下载
- 积分：1
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gaojiepu
说明： matlab高阶谱（双谱）分析直接法和间接法，可用于时差估计等(matlab order spectrum (bispectrum) of the direct method)
- 2010-05-04 18:55:46下载
- 积分：1
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RSCvsNSC
performance comparaison of NSC and RSC convolutional encoder
- 2011-04-29 18:46:27下载
- 积分：1
