不使用function改下下面的代码 不使用function改写下面的代码function [At,Ph,A2]=EnvelopPhase(X,f0,fs) HX=imag(hilbert(X)); [M,N]=size(X); t=0:1/fs:((N-1)/fs); Ac=X.cos(2pif0t)+HX.sin(2pif0t); As=HX.cos(2pif0t)-X.sin(2pif0t); Ph=atan(As./Ac); A2=Ac.*Ac+As.As; At=sqrt(A2); function X=Narrowbandsignal(N,f0,delt,fs,M); N1=N-M; xt=random(‘norm’,0,1,[1,N1]); f1=f02/fs; df=delt/fs; ht=fir1(M,[f1-df f1+df]); X=conv(xt,ht) return N=10000;f0=10000;delt=400;fs=22000;M=50; al=2;a2=4;a3=8; sitl=pi/6;sit2=pi/4;sit3=pi/3 X=Narrowbandsignal(N,f0,delt,fs,M); X=X/sqrt(var(X)); t=0:1/fs:((N-1)/fs); X1=X+alcos(2pif0t+sitl); X2=X+a2cos(2pif0t+sit2); X3=X+a3cos(2pif0t+sit3); [Atl,Ph1,A21]=EnvelopPhase(X1, f0, fs); [At2,Ph2,A22]=EnvelopPhase(X2, f0, fs); [At3,Ph3,A23]=EnvelopPhase(X3, f0, fs); LA=0:0.4:12; GA1=hist(Atl, LA); GA2=hist(At2, LA); GA3=hist(At3, LA); plot(LA,GA1,‘:’,LA,GA2,‘-’,LA,GA3,‘–’); title(“包络的分布直方图”); figure; LP=-pi/2:0.05:pi/2; GP1=hist((Ph1-sitl),LP); GP2=hist((Ph2-sit2),LP); GP3=hist((Ph3-sit3),LP); plot(LP,GP1,‘:’,LP,GP2,‘-’,LP,GP3,‘–’); title(“相位的分布直方图”); figure; LA2=0:1:120; GA21=hist(A21,LA2); GA22=hist(A22,LA2); GA23=hist(A23,LA2); plot(LA2,GA21,‘:’, LA2,GA22,‘-’,LA2,GA23,‘–’); title(“包络平方值的分布直方图”);

[At,Ph,A2]=EnvelopPhase(X,f0,fs);
HX=imag(hilbert(X));
[M,N]=size(X);
t=0:1/fs:((N-1)/fs);
Ac=X.*cos(2*pi*f0*t)+HX.*sin(2*pi*f0*t);
As=HX.*cos(2*pi*f0*t)-X.*sin(2*pi*f0*t);
Ph=atan(As./Ac);
A2=Ac.*Ac+As.*As;
At=sqrt(A2);
N=10000; f0=10000; delt=400; fs=22000; M=50; al=2; a2=4; a3=8; sitl=pi/6; sit2=pi/4; sit3=pi/3;
N1=N-M;
xt=randn(1,N1);
f1=f0/ fs;
df=delt/ fs;
ht=fir1(M,[f1-df f1+df]);
X=conv(xt,ht);
X=X/sqrt(var(X));
t=0:1/fs:((N-1)/fs);
X1=X+al*cos(2*pi*f0*t+sitl);
X2=X+a2*cos(2*pi*f0*t+sit2);
X3=X+a3*cos(2*pi*f0*t+sit3);
[Atl,Ph1,A21]=EnvelopPhase(X1, f0, fs);
[At2,Ph2,A22]=EnvelopPhase(X2, f0, fs);
[At3,Ph3,A23]=EnvelopPhase(X3, f0, fs);
LA=0:0.4:12;
GA1=hist(Atl, LA);
GA2=hist(At2, LA);
GA3=hist(At3, LA);
plot(LA,GA1,‘:’,LA,GA2,‘-’,LA,GA3,‘–’);
title(“包络的分布直方图”);
figure;
LP=-pi/2:0.05:pi/2;
GP1=hist((Ph1-sitl),LP);
GP2=hist((Ph2-sit2),LP);
GP3=hist((Ph3-sit3),LP);
plot(LP,GP1,‘:’,LP,GP2,‘-’,LP,GP3,‘–’);
title(“相位的分布直方图”);
figure;
LA2=0:1:120;
GA21=hist(A21,LA2);
GA22=hist(A22,LA2);
GA23=hist(A23,LA2);
plot(LA2,GA21,‘:’, LA2,GA22,‘-’,LA2,GA23,‘–’);
title(“包络平方值的分布直方图”);