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#include "stdio.h" #include "13kfft.c" #include "math.h" main() { int i,j; double pr[64],pi[64],fr[64],fi[64]; for (i=0; i

function wr = wt2(dat,c,pmn,pmx,m) % The function WT2 generates a 2-D Morlet Wavelet Transform % of data dat(n,1), where n specifies the length of time series % and it must be even. % % The out

%plot绘图命令的使用 close all %关闭打开了的所有图形窗口 clc %清屏命令 clear %清除工作空间中所有变量 %定义时间范围 t=[0:pi/20:8*pi]; y=sin(t); plot(t,y,'b:square') % r表示线的颜色为红色，此外 y（黄色）g（绿色）b（蓝色) %

%图形文字标示命令的使用 clear close all clc t=[0:pi/20:5*pi]; plot(t,sin(t),'r:*') axis([0 5*pi -1.5 1.5 ]) %给x轴和y轴命名 xlabel('t(deg)') ylabel('magnitude') %给图形加标题 title('sine wave from zero to 5\pi')

%plot绘图命令的使用 clc %清屏命令 clear %清除工作空间中所有变量 %定义时间范围 t=[0:pi/20:9*pi]; y1=sin(t); y2=cos(t); plot(t,y1,t,y2)

clear all factor = 4. * pi *5.; theta = 0:.1:90;; theta = theta .* (pi/180); f = sqrt((1. + 1 + 2.0 .* cos(pi+factor .* sin(theta)))); polar(theta,f,'k'); xlabel ('Normalized range R/Ro')

clear all eps = 0.0000001; beta = -pi : pi / 10791 : pi; var = sin(beta); %var = -1.:0.00101:1.; num = sin((8. * 2. * pi * 0.5) .* var); if(abs(num)

a=-2*pi:0.01:2*pi; %angle=sin(a); y=sinc(a).^2; ymod=10.*log10(y); plot(a,ymod,'k'); grid xlabel('Aangle - radians'); ylabel('Normalized antenna pattern -dB');

u=sqrt(1/exp(1.0)); v=u*randn(1,1000); n=1:1000;w=1.4*pi; xn=exp(j*pi*n-j*pi)+exp(j*w*n-j*0.7*pi)+v; plot(n,xn); m=-500:500; [r,lag]=xcorr(xn,500,'biased'); hndl=stem(lag,r); set(hndl,'mark

% % FUNCTION 7.3 : "cp0702_analytical_waveforms" % % Definition of the analytical expression for the first 15 % derivatives of the Gaussian pulse % % The function receives as input: % 1) the ti