Electromagnetic_parameter_measurement.zip

Electromagnetic_parameter_measurement.zip

clc;
clear all;
gdata.DELTA_T=1;
gdata.UT=1.66782e-17;
gata.UL=1e-8;
gdata.STEP_MAX=1000000;
Ein=load（‘Electromagnetic_parameter_measurement.ewp.data\Ein.ed‘）;
Er=load（‘Electromagnetic_parameter_measurement.ewp.data\Erz.ed‘）;
Et=load（‘Electromagnetic_parameter_measurement.ewp.data\Etz.ed‘）;
Er（1:390）=0;
fmax=1/gdata.DELTA_T/gdata.UT;
freq=linspace（01gdata.STEP_MAX）*fmax;
FEin=fft（Eingdata.STEP_MAX）;
FEr=fft（Ergdata.STEP_MAX）;
FEt=fft（Etgdata.STEP_MAX）;
R=FEr./FEin;
T=FEt./FEin;
k0=freq*2*pi/3/10^8;
S11=R.*exp（1i*k0*（210*gata.UL））;
S21=T.*exp（1i*k0*（210*gata.UL））;
Z=sqrt（（（（1+S11）.^2-S21.^2）./（（1-S11）.^2-S21.^2）））;
n=1./（k0*10*gata.UL）.*acos（（1-S11.^2+S21.^2）./（2.*S21））;
subplot（131）;plot（freqreal（Z.*n）‘g‘）;legend（‘相对磁导率‘）;title（‘相对磁导率‘）;xlim（[2e14 10e14]）;
subplot（132）;plot（freqreal（n./Z）‘r‘）;legend（‘相对介电常数‘）;title（‘相对介电常数‘）;xlim（[2e14 10e14]）;
subplot（133）;plot（freqabs（R）‘g‘）;hold on;plot（freqabs（T）‘r‘）;legend（‘透射率‘‘反射率‘）;title（‘反射率与透射率‘）;xlim（[2e14 10e14]）;

figure;
n0=1./（k0*10*gata.UL）.*（2*pi-acos（（1-S11.^2+S21.^2）./（2.*S21）））;
subplot（131）;plot（freqreal（Z.*n0）‘g‘）;legend（‘相对磁导率‘）;title（‘相对磁导率‘）;xlim（[2e14 10e14]）;
subplot（132）;plot（freqreal（n0./Z）‘r‘）;legend（‘相对介电常数‘）;title（‘相对介电常数‘）;xlim（[2e14 10e14]）;
subplot（133）;plot（freqabs（R）‘g‘）;hold on;plot（freqabs（T）‘r‘）;legend（‘透射率‘‘反射率‘）;title（‘反射率与透射率‘）;xlim（[2e14 10e14]）;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2020-01-07 20:01  Electromagnetic_parameter_measurement\
     文件       49593  2019-12-07 16:37  Electromagnetic_parameter_measurement\0---pi.png
     文件        4661  2019-12-05 22:42  Electromagnetic_parameter_measurement\Electromagnetic_parameter_measurement.ewp
     目录           0  2020-01-07 20:01  Electromagnetic_parameter_measurement\Electromagnetic_parameter_measurement.ewp.data\
     文件      267188  2019-12-05 22:42  Electromagnetic_parameter_measurement\Electromagnetic_parameter_measurement.ewp.data\Ein.ed
     文件    11395224  2019-12-05 22:42  Electromagnetic_parameter_measurement\Electromagnetic_parameter_measurement.ewp.data\Electromagnetic_parameter_measurement.ewd
     文件     1336155  2019-12-05 22:42  Electromagnetic_parameter_measurement\Electromagnetic_parameter_measurement.ewp.data\Erz.ed
     文件     1336617  2019-12-05 22:42  Electromagnetic_parameter_measurement\Electromagnetic_parameter_measurement.ewp.data\Etz.ed
     文件        1330  2019-12-05 22:42  Electromagnetic_parameter_measurement\Electromagnetic_parameter_measurement.ewp.data\mesh0.ewd_mesh
     文件        1467  2019-12-07 16:35  Electromagnetic_parameter_measurement\Electromagnetic_parameter_measurement.m
     文件       48328  2019-12-07 16:37  Electromagnetic_parameter_measurement\pi---2pi.png