FIELD: medicine.
SUBSTANCE: system has a set of N transducers fixable above the chest so that i-th transducer is fixed in xi position and produces P(xi,t) signal inducing pressure waves in xi position, where i=1...N. Processor calculates mean acoustic power P(x,t1,t2) on the basis of produced P(xi,t) signals at least in single x position at the given time interval. P(x,t1,t2) value is determined using an algorithm related to at least single P(xi,t) signal.
EFFECT: wide range of functional applications.
29 cl, 10 dwg
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