20091109Lect31Part1

20091109Lect31Part1 - C hce. p 1er S An-fermce~ 4 rr(~y~ ~...

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Unformatted text preview: C hce. p 1er S An-fermce~ 4 rr(~y~ ~ t=ar- F 'r e Id Pa ..-f-lern t r~dkt ~d (1 '0 P f'C3. ~i t, ) EXctf'rlpl; Two Dipoles 5 ep ara:feJ By Dr;+ce(}Ge d / \ .I2 :::ILO z . . . . . .- - d - - - . . ~ d y = -- 2 x y p (a) =u 2 z d 2 .. d 2 ,.. (b) IRE 5.7 Computation of the radiated fields of an array of two dipoles: (a) ritions; (b) the far-field approximation . . eJO ( _ /\ E M I Le:.<- J f10 I', Iy) I La - j({, ('2 e ::: ( ' e +- f'. e 1 2 ./\ .. d.e 1 \.. M = J'1ofoljj;5'lltj or M = J60f{e) sho~+ (Lpo(~ 10ft.!) dipole r/:: r + ~ (O s Y ('2 ::: r- i (C J~ y ~ d( r ) 0( 2S ~ -r- J 2 o( J ? - j Po\.~+ 42 U:)S( /\ J 2-J z J () (."_ .d (0<: \.-) E- I' J-1 eeL. l' . M 1 e e- r o 2.--> I - e +. ~ e l'-r ~s Y r-, 5 ( . G- r P +e c _ ~ ~ "0 r"'" (. R. c~. x-_ .25. )-.::::::.. C . r 0 2 C o fJ 2 q- 1 2 2A---:-- ~::: X I y- J - t ~ - - - - '! " ( { - '- - - - - - - - - - - - - i - - - - - - ___----_t--/-----,Jc---J a~' te un~ V6't ks 3 j >-,....
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20091109Lect31Part1 - C hce. p 1er S An-fermce~ 4 rr(~y~ ~...

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