-
example4_3
例3:分析占空比为ta的矩形脉冲频谱
T=1 时间窗大小
ta=0.5 占空比
N=256
t=linspace(-T,T,N)
ts=2*T/N
fs=1/ts
(x=zeros(1,N)
x(N/2-round(N/2*ta):N/2+round(N/2*ta))=ones(1,2*round(N/2*ta)+1)
y=fft(x,N)
figure
plot(t,x)
title([ 时域信号图 占空比为 ,num2str(ta)])
axis([-T T-0.2 1.2])
xlabel( t /s )
figure
subplot(211)
f=linspace(-fs/2,fs/2,N)
plot(f,abs(fftshift(y))/N)
title([ 矩形脉冲双边谱 脉冲时间t=[- ,num2str(ta*T), , ,num2str(ta*T), ] ])
xlabel( f /Hz )
)
- 2010-05-25 20:59:59下载
- 积分:1
-
MedianFilter
快速中值滤波,在大数据量的情况下速度很快,论文“Median Filter in Constant Time”的C语言实现(C souce code for "Median Filter in Constant Time")
- 2014-01-14 10:25:05下载
- 积分:1
-
spectrumEstimation
经典功率谱估计,BT法、Welsh法、中值滤波法(matlab BT Welsh)
- 2011-07-16 11:07:06下载
- 积分:1
-
xsk_RMA
说明: SAR仿真程序,正侧视,条带式合成孔径雷达(SAR simulation program, are side, striped synthetic aperture radar)
- 2011-02-24 08:03:01下载
- 积分:1
-
phasespace
matlab编程,关于相位同步的实现范例。(matlab programming examples on phase synchronization.)
- 2016-03-30 16:11:58下载
- 积分:1
-
EOF
一个方便实用的进行EOF程序,可对数据分析出相应的模态(and eigenvalues V. The most effecient algorithm proposed by von Storch and Hannostock (1984) is used.)
- 2014-11-27 22:55:21下载
- 积分:1
-
test2
基于windows平台vs2010和opencv2.4.10和zbar的二维码识别程序。(Based on the Windows platform vs2010 and opencv2.4.10 and zbar qr code identification procedures.)
- 2021-04-02 15:59:08下载
- 积分:1
-
passthrough
PCL中使用直通滤波器对点云数据进行滤波处理(需要安装配置PCL点云库)(PCL-through filters used to filter the point cloud data processing (requires installation configuration PCL point cloud library))
- 2014-09-25 15:22:02下载
- 积分:1
-
MATLAB
MATLAB作业用,MATLAB实验用,MATLAB数字信号处理,信号与系统(MATLAB work with, MATLAB experiment, MATLAB Digital Signal Processing, Signals and Systems)
- 2013-11-09 20:28:00下载
- 积分:1
-
COMTest2003_v0.8
在vc.net 2003中调用Matlab Builder生成的COM组件,与2005中有所不同。(in vc.net 2003 Calling Matlab Builder generated COM, 2005 was somewhat different.)
- 2007-04-26 04:54:00下载
- 积分:1