-
example4_6
:滤波
fs=400 采样频率,必须大于两倍基带信号最高频率
ts=1/fs 采样时间间隔
T=5 时间窗大小
t=0:ts:T (hf1=zeros(1,N)
hf1(f<=B1&f>=-B1)=1
y1=hf1.*fftshift(y)
figure
subplot(211)
plot(f,abs(fftshift(y))/N,f,hf1, r-- )
axis([-fs/2,fs/2,0,1.2])
title( 原信号频谱 )
xlabel( f /Hz )
subplot(212)
plot(f,abs(y1)/N)
title( 低通滤波,截止频率90Hz )
xlabel( f /Hz ))
- 2010-05-25 20:58:05下载
- 积分:1
-
s2source
Hello my name is Kev i Coding in the PUFF
- 2014-09-04 14:40:35下载
- 积分:1
-
fwm_eappliedelectronicsphaseiireportfilesfinalrea
Engineering anna university electronics department
Engineering anna university electronics department
- 2014-02-07 18:35:20下载
- 积分:1
-
huffman
图像压缩matlab的霍夫曼编码huffman
- 2010-12-09 13:31:26下载
- 积分:1
-
VC_Matlab
通过MATLAB引擎,利用VC开发MATLAB,包括一个自己开发的小程序和一片word文档资料(Through the MATLAB engine, developed by VC MATLAB, including its own development programs and a small word document data)
- 2011-08-27 23:31:12下载
- 积分:1
-
tankf
matlab simuink 模糊控制器tank 改进(matlab simuink improved fuzzy controller tank)
- 2014-01-17 10:24:05下载
- 积分:1
-
saolei
这是一本很经典的教程!不知道有人传过没有。先传上来,希望有用(This is a very classic tutorial! Some people do not know they could not mass. Chuan-first onto the hope that useful)
- 2008-03-24 18:38:04下载
- 积分:1
-
1
说明: 经典教材,美国人普艾克编著,非常实用的数字信号处理书(Classic textbook, edited by American Pu Yike, very practical book of digital signal processing)
- 2011-12-10 10:11:42下载
- 积分:1
-
circle1
利用有限差分算法实现动力学方程的求解单个球体在环形容器中运动分析(Finite difference algorithm for solving the dynamic equations in a single sphere in the circular movement of the container)
- 2010-11-22 16:27:32下载
- 积分:1
-
201310031112064238
获取全局唯一标识符GUID值的access事例(Get access cases globally unique identifier GUID value)
- 2014-12-26 02:49:43下载
- 积分:1