State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of signal length and time of propagation in fibre, average power, attenuation and wavelength for system of fibre-optic transmission and of data transmission
Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Precision methods for reverberation test rooms
State system for ensuring the uniformity of measurements. The method of carrying out measurements for determination of static magnetic characteristics of hard magnetic materials
