State system for ensuring the uniformity of measurements. Ultrasonic medical physiotherapy equipment. General requirements to measurement methods of acoustic output in the frequency range 0,5 MHz to 5,0 MHz
State system for ensuring the uniformity of measurements. State verification schedule for means measuring the airborne sound pressure in frequency range from 2 Hz to 100 kHz
Sound broadcasting digital. Coding of signals of sound broadcasting with reduction of redundancy for transfer on digital communication channels. A part III (MPEG-4 audio). Main positions MPEG-1/2 Audio in MPEG-4
Uncertainty of measurement. Part 3. Guide to the expression of uncertainty in measurement. Supplement 1. Propagation of distributions using a Monte Carlo method
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