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•
• “ ”
noise
signal
P
PSNR
dBP
PSNR 10log10
+
“ ”
dtetxfX ftiDef
2)()(
BffX 0)(
s
Defs
sf
Tf
BBf1
;2
2
»
−
±
?
∆x = xreal − xmeasured
randomsystmeasuredtrue eeXX
-
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