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ofdm_jida
信道模型包括模拟多径造成的指数衰减模型、模拟噪声干扰的 AWGN模型、以及频率偏差，主要 Matlab 实现(Channel model including the simulation of multipath caused by the exponential decay model to simulate the noise of the AWGN model, and the frequency deviation, the main Matlab Implementation)
- 2010-05-18 20:58:04下载
- 积分：1
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Desktop
定位系统的编写，运用DV_HOP算法，很简单，但是运行正确(Positioning system of writing, based on DV_HOP algorithm is simple, but correct operation)
- 2011-10-23 20:32:24下载
- 积分：1
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beamforming1
beamforming by LMS algorithm in CDMA communication
- 2010-12-17 02:03:54下载
- 积分：1
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jpdf
joint pdf of two image
- 2014-01-16 19:59:05下载
- 积分：1
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GA_WNN
遗传算法优化小波神经网络，代码通俗易懂，可以学习一下(Genetic algorithm optimization neural network, the code easy to understand, you can learn about)
- 2020-11-18 19:59:39下载
- 积分：1
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ARIMA--AIC
改进aic准则ARIMA模型，通过调整误差来寻找p和q(ARIMA model)
- 2014-06-04 19:20:26下载
- 积分：1
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matlab_heat-equation_TP2
principal_chaleur
a routine for implementing the EF P1 Lagrange
for the heat equation in the following stationary condition with Nonhomogeneous Dirichlet
- 2013-12-24 05:43:39下载
- 积分：1
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DCTlicheng
研究表明，构成K一L变换矩阵的向量也就是ToePhtz矩阵的特征向量。与此同时，离散
余弦变换矩阵逼近于ToePutz矩阵的特征向量矩阵，所以离散余弦变换矩阵与自然图像的
K一L变换矩阵十分相似。经过离散余弦变换后的变换系数块的协方差矩阵Cy非常接近对角
阵，即除了对角线元素以外，其它很多元素都近似为0，并且在左上角集中了主要能量。这
反映了自然图像大部分区域变化不大，亮度突变只占少数，即图像能量以低频成分为主的特
性。通过变换后的量化，舍弃对视觉效果影响较小的次要信息，可达到进一步的压缩效果。
虽然从去相关性能的意义上讲，DCT是一种次于K一L变换的准最佳变换，但是从算法实现的角度来看，DCT则远远优于K一L变换。首先，当图像的分块大小确定后，DCT的变换矩阵也就随之确定了，不随输入信号的统计特性变化而变化 其次，二维DCT能够分解成两次一维DCT，有利于硬件实现。
(Studies have shown that constitute a K L transformation matrix vector is ToePhtz eigenvector of the matrix. At the same time, discrete
The cosine transform matrix approximation in ToePutz matrix eigenvector matrix, so the discrete cosine transform matrix and natural images
Is very similar to a K L transformation matrix. After discrete cosine transform, the transform coefficient block of Cy is very close to the diagonal of covariance matrix
Matrix, namely except diagonal elements, many other elements are approximate to 0, and focused the main energy in the upper left corner. this
Reflects the natural images most area changed little, brightness mutations accounted for only a few, the energy is given priority to with low frequency components of image
Sex. Through quantitative after transformation, abandoning smaller effect on the visual performance of secondary information, can achieve further compression effect.
Although from related to the performance of the sense, DCT is a kind o)
- 2013-11-25 16:00:24下载
- 积分：1
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phase_test_wave
用MATLAB实现对同一声音信号的不同频率的采样速率输出幅度谱和相位谱。(MATLAB to the same acoustic signals of different frequency of the output amplitude spectrum and phase spectrum sampling rate.)
- 2014-04-24 15:48:41下载
- 积分：1
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task12
tasks assigned in matlab
- 2010-11-09 21:10:44下载
- 积分：1
