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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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zhihuanbijiao
单相有源电力滤波器仿真系统框图,电能质量的谐波补偿(APF MATLAB )
- 2012-08-16 10:02:48下载
- 积分:1
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Floyd-and-Warshall
用matlab实现Floyd和Wallshell算法,基本功能都有(Floyd and Wallshell using matlab algorithm, the basic function)
- 2013-11-17 16:28:25下载
- 积分:1
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MSBL-Learning-Algorithm
贝叶斯学习算法,用在压缩感知和稀疏恢复重建之中。(The MSBL algorithm for Compressed Sensing and sparse recovery.)
- 2020-06-29 05:00:01下载
- 积分:1
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chinese_ver
用matlab中的guied 制作的用于 数值分析课程教学的 数值实验平台,包括插值法、样条法、分段解析法等(Create with the guied in the matlab of used for the number experiment of number analysis course teaching platform, include to put to be worth method and kind method, and cent segment resolution method...etc.
)
- 2012-11-26 13:41:05下载
- 积分:1
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jialumianjilideweijinglixuesimulink
加入路面激励模型的磁流变减震器伪静力学模型的simulink程序(the simulink proceducer of MR damper s non-force mode of inputting road mode )
- 2015-06-18 09:43:01下载
- 积分:1
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opt-com1-amplifier(ch.6)
DUCOMENT ABOUT AMPLIFIER OPTICAL
- 2015-03-11 06:57:06下载
- 积分:1
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Curve_fitting_question
学习曲线拟合过程中肯定会遇到的问题,我总结了一下,希望有用。(The process of learning curve will certainly be problems, I summed up what I hope helpful.)
- 2010-09-09 22:01:08下载
- 积分:1
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mancxxala
Mancala is an ancient family of board games, also known as Kalah
- 2013-01-07 23:28:08下载
- 积分:1
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CDMAsimulink
CDMA功率控制用MATLAB进行下防真研究,是个不可多得的资料!(CDMA power control using MATLAB defense really under study, is a rare information!)
- 2007-04-27 22:07:59下载
- 积分:1