- #1
yungman
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I am studying Poynting vectors. I run into question that I don't see any good explanation in all the books I have. All the books claimed
E[tex]_{(z,t)}[/tex] =E[tex]_{(z=0)}[/tex] Re[e[tex]_{j(wt-\beta z)}[/tex] + [tex]\Gamma[/tex] e[tex]_{j(wt+\beta z)}[/tex]]
But sinse E0 is complex so this is what I have and is not equal to what the book gives. In fact the Electromagnetic by Ulaby actually say ignor the phase angle of E0! Below is what I have:
Obviously the answer does not agree. This is particularly obvious when working on Poynting vectors. Please tell me what do I miss in this whole thing.
Thanks
E[tex]_{(z,t)}[/tex] =E[tex]_{(z=0)}[/tex] Re[e[tex]_{j(wt-\beta z)}[/tex] + [tex]\Gamma[/tex] e[tex]_{j(wt+\beta z)}[/tex]]
But sinse E0 is complex so this is what I have and is not equal to what the book gives. In fact the Electromagnetic by Ulaby actually say ignor the phase angle of E0! Below is what I have:
Obviously the answer does not agree. This is particularly obvious when working on Poynting vectors. Please tell me what do I miss in this whole thing.
Thanks
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