-
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
-
SPAN-system-based-on-gesture-detection-method
SPAN系统的姿态检测方法SPAN system based on gesture detection method(SPAN system based on gesture detection method)
- 2011-01-10 19:27:26下载
- 积分:1
-
zuoye
进行图像处理,使图像按一定方向以一定角度转动(Image processing, the image at a certain angle to the direction of rotation)
- 2010-05-28 12:28:54下载
- 积分:1
-
foufej
Sumas parciales de Fourier de la función diente de sierra.
Sumas de fejer de la funcion salto.
Sumas parciales de fejer de la funcion delta
- 2011-08-03 00:55:51下载
- 积分:1
-
tfrgabor
用于产生Gabor信号的程序,直接调用即可(used to proceed Gabor signal, and it is very useful in signal processing)
- 2014-12-02 10:33:04下载
- 积分:1
-
wideex1
这是波束形成源代码,不同方向加权后形成的波束域(This is beamforming source code, different direction weighted formed after beam domain)
- 2016-02-09 06:19:49下载
- 积分:1
-
AIEM
改进的积分方程模型,微波遥感领域,用于求土壤的后向散射系数等;该模型为双站散射。(Improved integral equation model, the field of microwave remote sensing, and soil after backscattering coefficient model for bistatic scattering.)
- 2021-03-16 21:29:22下载
- 积分:1
-
8distribution-network-power-flow
用前推回代法编写了一个算8节点配网潮流的程序,解压后就可以直接运行(With forward and backward substitution method to write an 8-node distribution network power flow calculation program, named after the needs of the non-alphanumeric characters removed after decompression, it can be run directly)
- 2013-12-12 17:00:44下载
- 积分:1
-
mybode
绘制控制系统近似bode图,为了做自动控制原理作业时偷点懒。虽然matlab自带bode函数但是作业要求画近似的。(Drawing control system approximation bode diagram, when you steal lazy to do the job of Automatic Control Theory. Although matlab function but the job comes bode asked to draw approximate.)
- 2017-03-24 22:13:43下载
- 积分:1
-
kalman
一个kalman滤波的仿真程序,仿真的是雷达探测飞机的飞行轨迹,里面的word文档说的比较详细了。(A kalman filter simulation procedures, simulation of the plane are radar flight path, inside the word document that has more detailed.)
- 2009-03-21 22:16:15下载
- 积分:1