gusucode.com > matlab编程遗传算法计算匹配电路源码程序 > code1/code/MATLAB源代码/cal_LQ.m
function [] = cal_LQ() %UNTITLED 此处显示有关此函数的摘要 % 此处显示详细说明 frequency_100MHz=200:0.1:300; frequency=1e6.*frequency_100MHz; frequency_2pi=frequency.*2.*pi; r1=69; r2=350; c1_pf=7; c2_pf=30.5; l1_nh=33; l2_nh=12; c1=c1_pf*1e-12; c2=c2_pf*1e-12; l1=l1_nh*1e-9; l2=l2_nh*1e-9; Za=1./(1/r2+1./(1i.*frequency_2pi.*l2)+1i.*frequency_2pi.*c2); Zb=r1+1i.*frequency_2pi.*l1+1./(1i.*frequency_2pi.*c1); S21=(100.*Zb.^2)./(100.*Zb.^2+Za.*Zb.^2+100.*Za.*Zb+5000.*Zb+5000.*Za); Ps21=angle(S21)*180/pi; plot(frequency_100MHz,Ps21) end