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Hi, I think that my fdtd program doesnt work properly. It is 4th order in space and 2nd order in time.
In 2th order in space my programworks correct.
L=100;
i=zeros(1,L);
v=zeros(1,L;
dz=0.01;
c=0.1;
l=250;
dt=dz*sqrt(l*c);
for n=1:2000
t=n*dt;
for k=1:L-1
if...
Hi, I know that the wavelength is given by λ=u/f, but I saw λ=u/f*n, can someone explain how the n appers?
The speed of light is co=λοf, the speed in a medium is c=λf, there is no n in the relation.
I want to obtain the reflection coefficient using FFT in a transmission line, the source was excited with a Gaussian pulse. Τhis is an abstract from a paper that I have as guide:
"In order to obtain the reflection coefficient, the coaxial cable was excited with a Gaussian pulse of the form
Vs...
Fdtd matlab simulation problem
Hi. Im trying to simulate a 4th order accurate in space equations but its not working. For 2nd order its working. Here is my code
len=100;
i=zeros(1,len+2);
v=zeros(1,len+2);
dz=0.01;
c=0.1;
l=250;
dt=dz*5;
for n=1:2000
t=n*dt;
for k=3:len+1...
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