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Diffrazione - Consorzio Elettra 2000

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KE Diffraction – calcolo del campo (2/3)<br />

Applicando il metodo della fase stazionaria per la risoluzione dellintegrale, è<br />

possibile ottenere la seguente soluzione per il campo ricevuto:<br />

x > 0 (Regione illuminata)<br />

E<br />

( x,0,z<br />

)<br />

# % j$&<br />

% j$<br />

z % j e % 1 1+<br />

cos<br />

( = A " e + A " e 4<br />

0<br />

" " "<br />

( ) 2sin!<br />

H x,0,z<br />

'<br />

&<br />

2#$<br />

!<br />

X y"<br />

x < 0 (Shadow Region)<br />

E<br />

( x,0,z<br />

) # % j$&<br />

% j e % 1 1+<br />

cos<br />

( = A " e 4 " " "<br />

( ) 2sin!<br />

H x,0,z<br />

'<br />

&<br />

2#$<br />

!<br />

Onda Piana<br />

Incidente"<br />

(ρ,θ )"<br />

x" Z<br />

Confine dʼombra"<br />

• θ > 0 se x > 0<br />

• θ < 0 se x < 0

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