0001 0002 function [IAFet,CSFet]=iafet(fe,facfrec,ft,C,nolin,estab) 0003 0004 if length(nolin)==1 0005 nolin=[nolin nolin]; 0006 end 0007 0008 nolini=nolin; 0009 nolin=nolini(1); 0010 0011 if ((nolini(1)==0)&(nolini(2)==1)) 0012 nolin=1; 0013 end 0014 0015 fe=fe+0.00001*(fe==0); 0016 0017 if estab==1 0018 if ft>0.3 0019 fec=facfrec*fe; 0020 CSFet=(250/1896.4)*(ft.*fec*4*pi^2).*(6.1+7.3*abs(log10(ft./(3*fec))).^3).*exp(-(4*pi*(ft+2*fec)/45.9)); 0021 CSFet=0.000001*(CSFet==0)+CSFet; 0022 c1=(1./CSFet)>1; 0023 c2=(1./CSFet)<1; 0024 CSFet=CSFet.*c2+c1; 0025 Cu=1./CSFet; 0026 Cu=Cu*ones(1,length(C)); 0027 0028 else 0029 fm=3; 0030 p=1; 0031 cum=0.004; 0032 fe=facfrec*fe; 0033 CSFet=((fe/fm).^p).*exp(-(fe/fm)); 0034 CSFet=CSFet/maxi(CSFet); 0035 CSFet=(1/cum)*CSFet; 0036 CSFet=0.000001*(CSFet==0)+CSFet; 0037 c1=(1./CSFet)>1; 0038 c2=(1./CSFet)<1; 0039 CSFet=CSFet.*c2+c1; 0040 Cu=1./CSFet; 0041 Cu=Cu*ones(1,length(C)); 0042 end 0043 if nolin==1 0044 lonf=length(fe); 0045 fe=fe*ones(1,length(C)); 0046 k=(-0.079389*log10(fe)+0.322725); 0047 n=0.84*((fe.^1.7)./(0.7.^1.7+fe.^1.7)); 0048 C=ones(lonf,1)*C; 0049 IAFet=1./(Cu+(((k.*(C.^n))-Cu).*(C./((Cu./k).^(1./n)+C)))); 0050 else 0051 IAFet=1./Cu; 0052 end 0053 else 0054 fec=facfrec*fe; 0055 CSFet=(250/1896.4)*((ft+0.1*fec).*fec*4*pi^2).*(6.1+7.3*abs(log10((ft+0.1*fec)./(3*fec))).^3).*exp(-(4*pi*((ft+0.1*fec)+2*fec)/45.9)); 0056 CSFet=0.000001*(CSFet==0)+CSFet; 0057 c1=(1./CSFet)>1; 0058 c2=(1./CSFet)<1; 0059 CSFet=CSFet.*c2+c1; 0060 Cu=1./CSFet; 0061 Cu=Cu*ones(1,length(C)); 0062 0063 if nolin==1 0064 fe=facfrec*fe; 0065 lonf=length(fe); 0066 fe=fe*ones(1,length(C)); 0067 k=(-0.079389*log10(fe)+0.322725); 0068 n=0.84*((fe.^1.7)./(0.7.^1.7+fe.^1.7)); 0069 C=ones(lonf,1)*C; 0070 IAFet=1./(Cu+(((k.*(C.^n))-Cu).*(C./((Cu./k).^(1./n)+C)))); 0071 else 0072 IAFet=1./Cu; 0073 end 0074 end 0075 0076 if ((nolini(1)==0)&(nolini(2)==1)) 0077 s=size(IAFet); 0078 iafet=sum(IAFet')'; 0079 IAFet=iafet*ones(1,s(2)); 0080 end