How to plot Power Delay Profile using FDTD

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roldao

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power delay profile

Hello all.

I'm working on FDTD + CPML and for now my objective is to plot the power delay profile or for other words a graph with time in order of power.

I´m using TEz mode.

The manner that I´m calculating the power in dBW is:

10log(((Ex^2+Ey^2)*lambda^2*1)/(120*pi*4*pi))

where I admite that I´m using an isotropic antenna with unitary gain.

Comparing with a paper that I have, I´m confused because the result is similar but the value of power is bigger, in order of aproximately 50dB (1e6 Watt peak ) that is impossible in practice.

Someone can please help me??


Thanks a lot.

Joao Roldao
 

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