FIELD: radio engineering, communication.
SUBSTANCE: method is carried out by introducing a second loop for transmitting optical signals at a different wavelength and a series of following units: (2N+3)-th light guide, third photodetector, second pulse generator, second optical radiation source, (2N+4)-th light guide.
EFFECT: high accuracy of locating and identifying the type of an object by evaluating the spectral composition of the acoustic noise and motion parameters thereof.
1 dwg
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