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时间:2018-07-31
《矩量法分析八木天线》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、如何用基于hallen方程的MoM分析八木天线?clearW$2C47i lamda=1;(2、`U"vO k=2*pi/lamda;Q_X.rUL0w L1=0.499*lamda;%为什么取0.499而不是0.5ouFYvtFg L2=0.460*lamda;y)!5R3b L3=0.419*l3、amda;4、NC*7/} d=0.20*lamda;0dhaAq`k N1=59;YLv'43PL N2=59;F!Q@u N3=59;r^paD2&} dL1=L1/(N1+1);<Fc;_GG dL2=L2/(N2+1);(_)jkI dL3=L3/(N3+1);kDN:ep{/ lz1=-L1/2:dL1:L1/2;$?5、(2:N2+1);4?7W+/~<& lz3=-L3/2:dL3:L3/2;QQ~- lzm3=lz3(2:N3+1);5b[jRj6 M=N1+N2+N3;4K(xd&Q forkm=1:Mm{uxIza ifkm<=N1x`mNU A(km).y=-d;{(wHPzq A(km).z=lzm1(km);<$~mE9a6 elseif(km<=N1+N2)&(km>N1)xJZ>uTN A(km).y=0;3G~@H>j6、 A(km).z=lzm2(km-N1);yA(K=?sq else,JN8f]a^"g A(km).y=d;@u%_1 A(km).z=lzm3(km-N1-N2);KiOcu=F end{0^&SI"5`E end!M]I& form=1:Mg[7#w,o ifm<=N1H0SQ"? flagm=1;sx51X^d Vim=0;ZMLg;-T.&4 hm.y=-d;['*8IWg hm.7、z=L1/2;njnDW~Snb elseifm<=N1+N2TdGnf flagm=2;?zJOh^ Vim=1;zC:wNz@zK hm.y=0;fH?ha hm.z=L2/2;`VL}.h elseU(;&(W"M flagm=3;l-$uHHyu* Vim=0;W$Yc'E; hm.y=d;%9#gB hm.z=L3/2;~8、AwN[ endhw~a:kD 9、forn=1:M*cg(?yg ifn<=N110、2y"5 endW];EKj,3W i11、fm==nxDO7A5 Rhmn=sqrt((hm.z-A(n).z)^2+a^2);www`=)A; Fmn=(1/(2*pi))*log(dL/a)-j*k*dL/(4*pi);kDz>r#% Fhmn=exp(-j*k*Rhmn)/(4*pi*Rhmn)*dL;r++i=SQax elseGr(12、Ra. ifflagm==flagnELh3^ Rhmn=sqrt((hm.z-A(n).z)^2+a^213、);nD,{3B# Rmn=sqrt((A(m).z-A(n).z)^2+a^2);914、S`ub' elseg3?U#7i Rhmn=sqrt((hm.y-A(n).y)^2+(hm.z-A(n).z)^2);C/v}^#cLD Rmn=sqrt((A(m).y-A(n).y)^2+(A(m).z-A(n).z)^2);hWcTI{v
2、`U"vO k=2*pi/lamda;Q_X.rUL0w L1=0.499*lamda;%为什么取0.499而不是0.5ouFYvtFg L2=0.460*lamda;y)!5R3b L3=0.419*l
3、amda;
4、NC*7/} d=0.20*lamda;0dhaAq`k N1=59;YLv'43PL N2=59;F!Q@u N3=59;r^paD2&} dL1=L1/(N1+1);<Fc;_GG dL2=L2/(N2+1);(_)jkI dL3=L3/(N3+1);kDN:ep{/ lz1=-L1/2:dL1:L1/2;$?5、(2:N2+1);4?7W+/~<& lz3=-L3/2:dL3:L3/2;QQ~- lzm3=lz3(2:N3+1);5b[jRj6 M=N1+N2+N3;4K(xd&Q forkm=1:Mm{uxIza ifkm<=N1x`mNU A(km).y=-d;{(wHPzq A(km).z=lzm1(km);<$~mE9a6 elseif(km<=N1+N2)&(km>N1)xJZ>uTN A(km).y=0;3G~@H>j6、 A(km).z=lzm2(km-N1);yA(K=?sq else,JN8f]a^"g A(km).y=d;@u%_1 A(km).z=lzm3(km-N1-N2);KiOcu=F end{0^&SI"5`E end!M]I& form=1:Mg[7#w,o ifm<=N1H0SQ"? flagm=1;sx51X^d Vim=0;ZMLg;-T.&4 hm.y=-d;['*8IWg hm.7、z=L1/2;njnDW~Snb elseifm<=N1+N2TdGnf flagm=2;?zJOh^ Vim=1;zC:wNz@zK hm.y=0;fH?ha hm.z=L2/2;`VL}.h elseU(;&(W"M flagm=3;l-$uHHyu* Vim=0;W$Yc'E; hm.y=d;%9#gB hm.z=L3/2;~8、AwN[ endhw~a:kD 9、forn=1:M*cg(?yg ifn<=N110、2y"5 endW];EKj,3W i11、fm==nxDO7A5 Rhmn=sqrt((hm.z-A(n).z)^2+a^2);www`=)A; Fmn=(1/(2*pi))*log(dL/a)-j*k*dL/(4*pi);kDz>r#% Fhmn=exp(-j*k*Rhmn)/(4*pi*Rhmn)*dL;r++i=SQax elseGr(12、Ra. ifflagm==flagnELh3^ Rhmn=sqrt((hm.z-A(n).z)^2+a^213、);nD,{3B# Rmn=sqrt((A(m).z-A(n).z)^2+a^2);914、S`ub' elseg3?U#7i Rhmn=sqrt((hm.y-A(n).y)^2+(hm.z-A(n).z)^2);C/v}^#cLD Rmn=sqrt((A(m).y-A(n).y)^2+(A(m).z-A(n).z)^2);hWcTI{v
5、(2:N2+1);4?7W+/~<& lz3=-L3/2:dL3:L3/2;QQ~- lzm3=lz3(2:N3+1);5b[jRj6 M=N1+N2+N3;4K(xd&Q forkm=1:Mm{uxIza ifkm<=N1x`mNU A(km).y=-d;{(wHPzq A(km).z=lzm1(km);<$~mE9a6 elseif(km<=N1+N2)&(km>N1)xJZ>uTN A(km).y=0;3G~@H>j
6、 A(km).z=lzm2(km-N1);yA(K=?sq else,JN8f]a^"g A(km).y=d;@u%_1 A(km).z=lzm3(km-N1-N2);KiOcu=F end{0^&SI"5`E end!M]I& form=1:Mg[7#w,o ifm<=N1H0SQ"? flagm=1;sx51X^d Vim=0;ZMLg;-T.&4 hm.y=-d;['*8IWg hm.
7、z=L1/2;njnDW~Snb elseifm<=N1+N2TdGnf flagm=2;?zJOh^ Vim=1;zC:wNz@zK hm.y=0;fH?ha hm.z=L2/2;`VL}.h elseU(;&(W"M flagm=3;l-$uHHyu* Vim=0;W$Yc'E; hm.y=d;%9#gB hm.z=L3/2;~
8、AwN[ endhw~a:kD
9、forn=1:M*cg(?yg ifn<=N110、2y"5 endW];EKj,3W i11、fm==nxDO7A5 Rhmn=sqrt((hm.z-A(n).z)^2+a^2);www`=)A; Fmn=(1/(2*pi))*log(dL/a)-j*k*dL/(4*pi);kDz>r#% Fhmn=exp(-j*k*Rhmn)/(4*pi*Rhmn)*dL;r++i=SQax elseGr(12、Ra. ifflagm==flagnELh3^ Rhmn=sqrt((hm.z-A(n).z)^2+a^213、);nD,{3B# Rmn=sqrt((A(m).z-A(n).z)^2+a^2);914、S`ub' elseg3?U#7i Rhmn=sqrt((hm.y-A(n).y)^2+(hm.z-A(n).z)^2);C/v}^#cLD Rmn=sqrt((A(m).y-A(n).y)^2+(A(m).z-A(n).z)^2);hWcTI{v
10、2y"5 endW];EKj,3W i
11、fm==nxDO7A5 Rhmn=sqrt((hm.z-A(n).z)^2+a^2);www`=)A; Fmn=(1/(2*pi))*log(dL/a)-j*k*dL/(4*pi);kDz>r#% Fhmn=exp(-j*k*Rhmn)/(4*pi*Rhmn)*dL;r++i=SQax elseGr(
12、Ra. ifflagm==flagnELh3^ Rhmn=sqrt((hm.z-A(n).z)^2+a^2
13、);nD,{3B# Rmn=sqrt((A(m).z-A(n).z)^2+a^2);9
14、S`ub' elseg3?U#7i Rhmn=sqrt((hm.y-A(n).y)^2+(hm.z-A(n).z)^2);C/v}^#cLD Rmn=sqrt((A(m).y-A(n).y)^2+(A(m).z-A(n).z)^2);hWcTI{v
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