Levy law input periodic signal recognition system
2016-08-23
0 0 0
no vote
Other
Earn points
clc;clear;close all;
num0=[5 1];den0=[1 8 2];
na=2;nb=1;
SYS0=tf (NUM0,den0)% of original system
figure();bode(num0,den0,[0,5]);
f=0.01:0.01:0.5;
w=2*pi*f;
H=freqs(num0,den0,w);
Am=abs(H);
Phi=angle(H);
figure();plot(w,20*log10(Am));
figure();
plot(w,Am);
xlabel(\'w/(rad/s)\');ylabel(\'Am \');
Title (\' cycle signal amplitude-frequency response measured \');
figure();
plot(w,Phi*180/pi);
xlabel(\'w/(rad/s)\');ylabel(\'Phi/deg\');
Title (\' cycle signal measured phase frequency response \');
%Levy method
[num1,den1]=freq2levy(H,w,na,nb)
sys1=tf(num1,den1)
% With Kit fitting of frequency characteristic function
[num2,den2]=invfreqs(H,w,nb,na)
sys2=tf(num2,den2)
step(sys0,\'b\',sys1,\'r\',sys2,\'y\')
num0=[5 1];den0=[1 8 2];
na=2;nb=1;
SYS0=tf (NUM0,den0)% of original system
figure();bode(num0,den0,[0,5]);
f=0.01:0.01:0.5;
w=2*pi*f;
H=freqs(num0,den0,w);
Am=abs(H);
Phi=angle(H);
figure();plot(w,20*log10(Am));
figure();
plot(w,Am);
xlabel(\'w/(rad/s)\');ylabel(\'Am \');
Title (\' cycle signal amplitude-frequency response measured \');
figure();
plot(w,Phi*180/pi);
xlabel(\'w/(rad/s)\');ylabel(\'Phi/deg\');
Title (\' cycle signal measured phase frequency response \');
%Levy method
[num1,den1]=freq2levy(H,w,na,nb)
sys1=tf(num1,den1)
% With Kit fitting of frequency characteristic function
[num2,den2]=invfreqs(H,w,nb,na)
sys2=tf(num2,den2)
step(sys0,\'b\',sys1,\'r\',sys2,\'y\')
matlab
系统
输入
信号
周期
辨识
Levy
Related Source Codes
GMSK Linear Receiver
0
0
no vote
NSGA-II algorithm
0
0
no vote
NSGA-III multi-objective optimization algorithm
0
0
no vote
Compressed sensing example
0
0
no vote
CFAR detector example
0
0
no vote
No comment