Page 114 - Power Electronics Handbook
P. 114
____,
Incident EmerQing
unshielded shielded
field E, field E,
Shielding
material
(a)
E, or H, E, or H,
f2
log z,
377 ..... -.-.- ....................................................................................................
(e)
Fnprc 4.5 Shielding concepts: (a) shielded and uoshielded fields, @) reflectiw calculation
model; (c) plat of ekctmmagnetk wave impedance for an electric and a mapetic source;
(d) variation of shielding effcctivmss with frequency: (e) iliustration Of multipk rtflcCkns
