direct path reference signal

measurement signal path

multi path interference signal

path of signal transduction

separate signal path for on air and PA

signal cable path

Signal conduction path

Signal transduction path way

PI3K-Akt signal path

(ultra-wideband) UWB signal

active high signal

activating signal

activate signal

action surface electromyogram ASEMG signal

Acquisition of signal

acousto-optic signal processing

acoustic-type signal

acoustics signal