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matlab
指纹识别的matlab源码 指纹识别的matlab源码(Fingerprint Recognition Fingerprint Recognition matlab source code matlab source)
- 2007-11-08 01:07:41下载
- 积分：1
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PSOTrainBP
BP神经网络容易陷于局部极小值，PSO算法在无约束非线性函数优化方面性能优越，通常可以直接找寻到全局最优解，即使不能搜多到全局最优解，也距离全局最优点不远。当然，基本PSO算法陷入局部极值也是有的。对于这个缺点目前还没有找到比较有效、省市的解决方案。本案例实现利用PSO算法和BP算法共同训练神经网络，先将网络进行PSO算法训练，然后BP算法接着进行小范围精细搜索，PSO算法训练神经网络的本质就是将输出误差函数（即能量函数）看成目标函数，PSO对能量函数进行全局寻找最小值。(BP neural networks are prone to local minimum values. The PS algorithm has superior performance in the optimization of unconstrained nonlinear functions. It can usually find the global optimal solution directly. Even if it can not find more global optimal solutions, it is not far from the global best. Of course, there is also a local extreme of the basic PO algorithm. For this shortcoming, there is no more effective, provincial and municipal solution. This case realizes the use of the SO algorithm and the BP algorithm to train the neural network. First, the network is trained in the SO algorithm, and then the BP algorithm is followed by a small range of fine searches. The essence of the PO algorithm training neural network is to regard the output error function(ie, the energy function) as the objective function, and the PO seeks a global minimum value for the energy function.)
- 2018-08-06 11:04:45下载
- 积分：1
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77433642fenshuiling_2
一个改进的分水岭算法 用于对图像进行分割，有兴趣可以看看(An improved watershed algorithm for image segmentation, are interested can look at)
- 2010-06-08 16:11:02下载
- 积分：1
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VisualPC_Matlab
在Visual+C中调用Matlab的其他方法.pdf(In the Visual+ C to call the other methods Matlab. Pdf)
- 2011-01-19 23:23:59下载
- 积分：1
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06169936
Interference Management with Relay Cooperation in
Two-Hop Interference Channels
- 2013-08-19 17:33:33下载
- 积分：1
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2-yuputu
程序给出了0~10发音的语谱图，其中采用分帧函数对信号进行分帧处理然后在用fft算法得到频谱信息，后用灰度图像表示(Program gives the pronunciation of words from 0 to 10 spectra, which employs the signal sub-frame function and then in the sub-frame processing spectral information obtained with the fft algorithm, then said with a gray image)
- 2010-12-08 15:38:09下载
- 积分：1
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LVBO
分别使用矩形窗和汉明窗函数设计一个线性相位FIR低通滤波器，使其逼近理想低通滤波器的频率特性。采用频率抽样法设计FIR数字低通滤波器滤波器。(Using rectangular window and hamming window function to design a linear phase FIR low-pass filter, the frequency characteristics of the ideal low-pass filter. Frequency sampling method is used to design FIR digital filter based on low-pass filter.)
- 2014-11-28 16:19:43下载
- 积分：1
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cfkvvkrr
可以动态调节运行环境的参数，MIMO OFDM matlab仿真,部分实现了追踪测速迭代松弛算法，单径或多径瑞利衰落信道仿真，加入重复控制，FIR 底通和带通滤波器和IIR 底通和带通滤波器。(Can dynamically adjust the parameters of the operating environment, MIMO OFDM matlab simulation, Partially achieved tracking speed iterative relaxation algorithm, Single path or multipath Rayleigh fading channel simulation, Join repetitive control, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter.)
- 2016-03-11 23:52:04下载
- 积分：1
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FIR_Filter_windowing
FIR filter windowing
- 2010-10-24 02:40:11下载
- 积分：1
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5-3-1
input file of ode 45
- 2013-09-07 19:29:45下载
- 积分：1
