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Ra=0; Xs = 9; Zs = Ra + j*Xs; V = 30/sqrt(3); P = 40; E1M = 0.792*23.558; delta1 = asin(P*Xs/(3*abs(E1M)*V)); delta1d = delta1*180/pi E1 = E1M*(cos(delta1) +j*sin(delta1)); Ia1 = (E1 - V)*1000/Z

Ra=0; Xs = 9; Zs = Ra + j*Xs; S = 40 + j*30; V = 30/sqrt(3); Ia1 = conj(S)*1000/(3*conj(V)); Ia1M = abs(Ia1), Ia1ang=angle(Ia1)*180/pi E1 = V + Zs*Ia1*0.001; E1M = abs(E1), delta1 = angle(E1)*180

V1 = 207.85/sqrt(3); Zl = 2 + j*4; Z1 = 30 + j*40; Z2 = (60-j*45)/3; Z = Zl + Z1*Z2/(Z1+Z2); I=V1/Z, S=3*V1*conj(I) V2 = V1- Zl*I V2ab =sqrt(3)*(cos(pi/6)+j*sin(pi/6))*V2 I1=V2/Z1, I2=V2/Z2 Ia

function sctm = sctm global sctm a =cos(2*pi/3)+j*sin(2*pi/3); sctm = [1 1 1; 1 a^2 a; 1 a a^2];

Da1=(3^2+4^2)^.5; Da2=(4.2^2+4^2)^0.5; Ia= 200; Ic=200*(cos(2*pi/3)+j*sin(2*pi/3)); Lambda12=0.2*Ia*log(Da2/Da1)+0.2*Ic*log(Da1/Da2); V = j*2*pi*60*Lambda12/1000; Vm=abs(V), Vang=angle(V)*180/pi

Ra=0; Xs = 9; Zs = Ra + j*Xs; V = 30/sqrt(3); P = 40; E1M = 0.792*23.558; delta1 = asin(P*Xs/(3*abs(E1M)*V)); delta1d = delta1*180/pi E1 = E1M*(cos(delta1) +j*sin(delta1)); Ia1 = (E1 - V)*1000/Z

function Frec = pol2rec(Fpol) Frec = Fpol(:,1).*(cos(Fpol(:,2)*pi/180)+j*sin(Fpol(:,2)*pi/180));

program ex0429 implicit none real pi parameter(pi=3.14159) write(*,"(F4.2)") sin(pi/6) end

declare pi constant number(9):=3.1415926; begin commit; end;

%-----------------均匀直线阵列天线的应用之三：强方向性端射阵 clc clear all f=3e10; %30GHz,厘米波 i=1; %天线电流值 lambda=(3e8)/f; %lambda=c/f 波长 beta=2.*pi/lambda; N=15; t=0:0.01:2*pi; d1=lambda/4; %没有栅瓣效应的强方向性端射阵，