-
xiaobohanshu
对于小波去噪,采用的是小波函数,并在去噪同时进行语音的压缩。(for wavelet denoising, using the wavelet denoising and simultaneously voice compression.)
- 2007-05-24 18:38:27下载
- 积分:1
-
plot3d
plot 3d with matlab
with this code you can plot a surface with matlab functions: meshgrid, zeros, rastriginsfcn, meshc, xlabel, ylabel, zlabel, clear, clc
- 2013-12-31 14:09:44下载
- 积分:1
-
FIF_and_FSK
有关通信中常用滤波器和解调方式的大集合,本人收集很是不容易,大家不要错过哦(Commonly used in the communications mode filter and demodulation large collection, I gather it is not easy, we should not miss)
- 2010-11-16 10:09:34下载
- 积分:1
-
Newton-iteration-
MATLAB实现牛顿迭代法求解非线性方程组(MATLAB realization of Newton iteration method for solving nonlinear equations)
- 2015-06-18 11:54:02下载
- 积分:1
-
wavelet
利用小波算法进行图像和视频处理,将原始小波块放在新小波块的左上角,在小波块右下角补零。(Using wavelet algorithm for image and video processing, the original wavelet wavelet block block on the new upper left corner of the block in the lower right corner of the wavelet zeros.)
- 2013-09-22 20:16:43下载
- 积分:1
-
MATLAB
matlab实现样条插值法,方便快捷实现各种拟合(matlab implementation spline interpolation method, to achieve a variety of quick and easy fitting)
- 2011-11-17 17:08:56下载
- 积分:1
-
programming-in-matlab-2
This tutorial is intended for those who want to learn basics of MATLAB programming language.
Even with a limited knowledge of this language a beginning programmer can write his/her own
computer code for solving problems that are complex enough to be solved by other means.
Numerous examples included in this text should help a reader to learn quickly basic programming
tools of this language. Topics discussed include the m-files, inline functions, control flow,
relational and logical operators, strings, cell arrays, rounding numbers to integers and MATLAB
graphics.
- 2013-10-14 20:07:07下载
- 积分:1
-
FIR
1、验证窗函数 N 变化时,验证其频谱主瓣副瓣比、主瓣宽度的变化。
a)矩形窗函数的 N 变化时,验证其其频谱主瓣副瓣幅度比基本不会发生变化,
而主瓣宽度将会变窄。这说明,当用矩形窗函数设计滤波器时,增大 N 不能使
得阻带衰减减小,但能够减小过渡带。
b)再选取其他的窗如 hamming/hanning 窗,验证当 N 变化时,其频谱主瓣宽
度变化、主瓣副瓣比值变化情况。
2、用窗函数法设计线性相位 FIR 低通,通带截止频率 wp=0.5PI, 阻带截止频率 ws=0.6PI,
阻带衰减不小于 40dB,通带衰减不大于 3dB.
a)选取 Hanning,Hamming 窗查看设计出来的 FIR 的过渡带宽和阻带衰减是否
满足要求,二者有什么不同。
b)使用 hamming 窗,将窗长增大 1 倍,设计 FIR。验证同样的窗函数类型
(hamming),不同窗长度时,设计出来的 FIR 的过渡带宽和阻带衰减都有什么变
化。
3、不使用 Matlab 系统函数得到上一项指标的低通,并与上一项结果比较。
4 用窗函数法设计线性相位 FIR 高通,通带截止频率 wp=0.8PI, 阻带截止频率
ws=0.7PI, 阻带衰减不小于 30dB,通带衰减不大于 3dB.(An actual filter is implemented using the truncated unit impulse response sequence of the ideal filter.
For the ideal low pass filter, the unit impulse response h, N, D () is intercepted by a length of N, and the length is
The N sequence H (n), when intercepted, guarantees causality and linear phase requirements for the filter.
In order to reduce the Gibbs effect, the H (n) window is added, and the appropriate window function is selected to ensure the stopband attenuation and
Transition zone requirement. Note that the sidelobe of the window function affects the stopband attenuation of the filter, and the main lobe width affects the filter
Transition bandwidth.)
- 2017-07-06 11:55:24下载
- 积分:1
-
FastICA_23
这个是基于独立主成分分析的一个MATLAB语言程序,大家可以下载来看看,希望有帮助(This is based on independent analysis of the principal component of a MATLAB language program, you can download to look at, I hope there is help)
- 2009-01-11 14:43:42下载
- 积分:1
-
znkx
说明: 智能控制源程序,适合初学者使用,是用matlab语言编写(Intelligent Control of source code, suitable for beginners to use, is to use matlab language)
- 2008-10-07 18:36:36下载
- 积分:1