Hi,everyone.I run HFSS to get S11 for my circuit,HFSS also provide time domain for S11.I want to obtain the same time domain response by Matlab.However the result is not even close.Can anyone help~Thx!
The input signal is an impulse and I perform the frequency domain simulation from 0~7.5GHz.
And both attached files are the result from HFSS.
Here’s my code:
load S11_re.txt -ascii

load S11_im.txt -ascii

freq=1e+9*S11_re(:,1);

S11=S11_re(:,2)+1i*S11_im(:,2);

TDR=ifft(S11);

Fs=2*max(freq);

Ts=1/Fs;

N=numel(TDR);

tvec=(0:(N-1))*Ts;

plot(tvec,abs(TDR))Hi,everyone.I run HFSS to get S11 for my circuit,HFSS also provide time domain for S11.I want to obtain the same time domain response by Matlab.However the result is not even close.Can anyone help~Thx!
The input signal is an impulse and I perform the frequency domain simulation from 0~7.5GHz.
And both attached files are the result from HFSS.
Here’s my code:
load S11_re.txt -ascii

load S11_im.txt -ascii

freq=1e+9*S11_re(:,1);

S11=S11_re(:,2)+1i*S11_im(:,2);

TDR=ifft(S11);

Fs=2*max(freq);

Ts=1/Fs;

N=numel(TDR);

tvec=(0:(N-1))*Ts;

plot(tvec,abs(TDR)) Hi,everyone.I run HFSS to get S11 for my circuit,HFSS also provide time domain for S11.I want to obtain the same time domain response by Matlab.However the result is not even close.Can anyone help~Thx!
The input signal is an impulse and I perform the frequency domain simulation from 0~7.5GHz.
And both attached files are the result from HFSS.
Here’s my code:
load S11_re.txt -ascii

load S11_im.txt -ascii

freq=1e+9*S11_re(:,1);

S11=S11_re(:,2)+1i*S11_im(:,2);

TDR=ifft(S11);

Fs=2*max(freq);

Ts=1/Fs;

N=numel(TDR);

tvec=(0:(N-1))*Ts;

plot(tvec,abs(TDR)) ifft, time domain MATLAB Answers — New Questions

​