-
matirxandrotation
说明: 利用矩阵的运算来编写旋转,使用矩阵进行坐标运算,使用矩阵进行坐标旋转(make use of the operation of matrix to realize the rotation)
- 2010-04-07 15:40:18下载
- 积分:1
-
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
-
PSK
根据M值的改变可以产生2、4、8、16PSK数字调制基带信号,且成形滤波器可任选升余弦、根升余弦、高斯。(M may be generated according to a change value 2,4,8,16PSK baseband digital modulation signal, and optionally raised cosine shaping filter, the root raised cosine, Gaussian.)
- 2015-03-30 13:51:38下载
- 积分:1
-
04099398
A New SURE Approach to Image Denoising:
Interscale Orthonormal Wavelet Thresholding
- 2010-01-19 14:31:58下载
- 积分:1
-
chirp_sig
线性调频信号,包括产生和脉冲压缩,国科大资料(Chirp signal, the National Science and Technology Institute of China)
- 2013-09-28 22:07:59下载
- 积分:1
-
MATLABFUNCTION
一些常用的MATLAB函数,求和; 求导数;
求极限;求泰勒展开式(Some commonly used MATLAB function, summation order derivative seeking limits order Taylor expansion)
- 2009-03-17 17:58:15下载
- 积分:1
-
Code
matlab与亚当慕斯公式结合解决运输问题!(matlab)
- 2009-06-09 14:39:32下载
- 积分:1
-
SPIDER_mclass
Multi-class Coding (adapted from from LS-SVM for SPIDER). Encode (code_MOC, code_ECOC, code_OneVsAll, code_OneVsOns) and decode (codedist_hamming, codedist_bay) a multi-class classification task into multiple binary classifiers.
- 2010-06-20 13:24:08下载
- 积分:1
-
BPSK_QPSK_Modulation
BPSK和QPSK的调制程序,完全按照通信原理书上的步骤做的,仿真结果正确(BPSK_QPSK_Modulation)
- 2010-12-06 19:03:20下载
- 积分:1
-
aw
说明: 用简正波方法进行声场计算的karaken程序(karaken program for acoustic field caculation by nomal mode method)
- 2010-05-23 19:15:23下载
- 积分:1