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audio_work
Content Based Audio Classification using Support Vector Machine
- 2005-11-24 11:54:46下载
- 积分：1
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fangzhenwozuizhongban
逆变器具有灵活、高效的特点，是新能源并网的主要接口。当多个逆变器连接到电网的同一个公共连接点时，逆变器非理想的电源特性，使得逆变器之间、逆变器与电网之间存在的谐波交互作用可能引发谐振， 使系统出现过电压、 过电流现象影响电网的电能质量，甚至威胁系统的安全稳定运行(Inverter is flexible and efficient, and it is the main interface of new energy integration. When multiple inverters are connected to the same common connection point of the power grid, the inverter is not ideal. The harmonic interaction between the inverters, the inverter and the grid may cause resonance, which causes the overvoltage and overcurrent to affect the power quality of the power grid and even threatens the safety of the system. stable operation)
- 2018-05-03 15:43:55下载
- 积分：1
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遗传算法优化小波神经网络
应用背景小波神经网络采用传统BP算法，存在收敛速度慢和易陷入局部极小值两个突出弱点。本文建立了基于遗传算法的小波神经网络股票预测模型GA-WNN。该模型结合了遗传算法的全局优化搜索能力以及小波神经网络良好的时频局部特性。运用MATLAB对拟合和预测过程进行仿真。结果表明，该模型能有效地提高预测精度，避免了BP算法固有缺陷关键技术遗传算法优化神经网络的matlab仿真代码。成功调试之后得到预测模型GA-WNN。结合了两个的优质特性得到最优解的matlab代码。
- 2022-03-19 09:24:50下载
- 积分：1
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How_to_sho21710312232009
This is Online shoping Css Template
- 2014-11-30 04:53:39下载
- 积分：1
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fft-bianhuan
包含了傅里叶变换的幅频特性和相频特性，其中包括8点、16点、32点的程序代码，运行后可直接产生图形。(Includes Fourier transform amplitude-frequency characteristics and phase-frequency characteristics, including 8:00, 16:00, 32 points of the program code can be run directly the graphics.)
- 2015-04-11 22:02:43下载
- 积分：1
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mallat算法的MATLAB程序
说明： 一个很好的MALLAT算法是MATLAB实现原代码，具有很好的操作性。(a good MALLAT MATLAB algorithm is the original code, with very good operability.)
- 2005-10-17 10:58:23下载
- 积分：1
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StandardMCMcommunicationssystem
basically a trial run to get back into the mode of things. This is a simple MCM communications system. The code is pretty self-explanatory
- 2010-05-23 22:06:21下载
- 积分：1
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xiaobobaofenjienengliangchonggou
小波包分解重构程序，克服小波分解在高频段的频率分辨率较差(Wavelet packet decomposition and reconstruction program, overcome the wavelet decomposition in the poor frequency resolution in high frequency
)
- 2013-09-22 10:22:03下载
- 积分：1
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demo_rbpf_gauss
Rao Blackwellised 粒子滤波在高斯动态混合情况下的应用(Rao Blackwellised Particle Filtering for dynamic mixtures of Gaussians)
- 2013-03-11 22:16:55下载
- 积分：1
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8QAM
利用Matlab仿真软件，完成如图1所示的一个基本的数字通信系统。信号源产生0、1等概分布的随机信号，映射到16QAM的星座图上，同时一路信号已经被分成了实部和虚部，后边的处理建立在这两路信号的基础上。实部、虚部信号分别经过平方根升余弦滤波器，再加入高斯白噪声，然后通过匹配滤波器（平方根升余弦滤波器）。最后经过采样，判决，得到0、1信号，同原信号进行比较，给出16QAM数字系统的误码。(Using Matlab simulation software, as shown in Figure 1 to complete a basic digital communications systems. Signal source such as arise over the distribution of 0,1 random signal, is mapped to 16QAM constellation diagram, at the same time all the way the signal has been divided into real and imaginary parts, behind the deal with the establishment of these two signals in the basis. Real part, imaginary part of the signal, respectively, after a square root raised cosine filter, then add white Gaussian noise, and then through the matched filter (square root raised cosine filter). Finally, after sampling, the verdict has been 0,1 signal, to compare with the original signal is given 16QAM digital system error.)
- 2007-10-22 15:57:50下载
- 积分：1
