FIELD: instrumentation.
SUBSTANCE: first test signal (as white noise signals) is fed, first, to measurement channel transducer in disabled state and, then, second signal of the other spectral density is fed thereto. Now, measurement transducer responses to first and second test signals are measured. In case responses to test signals are related like test signals are, said measurement transducer is considered apt to service.
EFFECT: control over serviceability of measurement channels.
3 cl, 1 dwg
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