Signal processing apparatus

1
FIG. 1 S
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BONE

MUSCLE

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ARTEWAL BLOOD

- 1- )\ FIG. 2 1 FIG. 3 1 S=s+n

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gt L , s‘? /22¢ /24¢ SIGNAL I n CONDITIONER A/D

S s + d i
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FIG. 4/l