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ding
选取windows系统自带的ding.wav信号作为分析对象,在Matlab软件平台下,利用函数wavread对音频信号进行采样,记住采样频率和采样点数,听一下原始声音sound(y, fs, bits)。
(2)音频信号的频谱分析,先画出音频信号的时域波形;然后对音频号进行快速傅里叶变换fft(y,N),N取32768,画出信号的频谱特性,加深对频谱特性的理解。
(3)根据频谱,反演时域特性,画出时域波形。寻找幅值最大的两个频率,此频率除以fft点数在乘以采样频率就是信号的主频,即可合成信号的时域图形,听一下声音。
(4)对原音频信号进行1024点的分段付立业分析meshgrid
(5)根据主要频线合成音频,并画出时域图形,试听合成效果。
(6)采用线性插值(linspace)和傅立业反变换(fliplr, ifft)分别合成音频,并画出时域图形,试听效果。
(err)
- 2009-01-13 16:23:47下载
- 积分:1
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growcut
growcut image segmentation gui
- 2009-05-01 22:53:22下载
- 积分:1
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VCPPandMATLAB7.1
该程序详细说明了MATLAB7.1与VC++6.0混合编程的方法,主要是VC++调用MATLABm函数编译后的动态数据链接库,并且提供了实际的例子,按照该例子就能完成初步的混合编程(The program details MATLAB7.1 VC++6.0 mixed programming, mainly compiled the VC++ call MATLABm function of the dynamic data link library, and provides practical examples can be done in accordance with the example of the initial mix of programming)
- 2012-07-11 20:17:52下载
- 积分:1
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OFDM_MATLAB
OFDM+QAM Matlab程序,详细中文注释(OFDM+ QAM Matlab procedures, details of Chinese Notes)
- 2008-12-13 01:20:04下载
- 积分:1
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tian
改进的小波图像维纳滤波程序,可用于图像的去噪和重构。(Wiener filtering of wavelet image improvement program can be used for image denoising and reconstruction.)
- 2010-10-25 21:27:33下载
- 积分:1
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pso
pso算法,比较好的算法,简单,可以用于多目标优化(pso algorithm, a better algorithm, simple and can be used for multi-objective optimization)
- 2010-05-10 22:44:41下载
- 积分:1
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Hbridge
H桥仿真,移相全桥,采用matlab软件进行的移相全桥(H-bridge simulation, phase-shifted full-bridge, full-bridge phase-shift of matlab software)
- 2021-01-27 18:08:41下载
- 积分:1
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matlab-VRP
物流路径规划,节约里程法的matlab实现(Logistics path planning, the MATLAB realization of the economical mileage method)
- 2021-04-26 18:48:45下载
- 积分:1
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新建文件夹
单元刚度矩阵转化为整体矩阵,如何在MATLAB中实现(stiffness matrix THE BELOW ELEMENT MATRICES AND LOAD VECTORS ARE IN THE NODAL COORDINATE SYSTEMS.
GRAVITY AND TRANSIENT EFFECTS ARE INCLUDED.)
- 2019-05-16 16:53:30下载
- 积分:1
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diagnose
这是一个SVM的故障诊断应用程序,利用MATLAB可以直接运行程序(This is a SVM for fault diagnosis application, use of MATLAB can run programs)
- 2016-08-16 21:30:40下载
- 积分:1