Betekenis van:
background noise
background noise
Zelfstandig naamwoord
- bijkomend geluid; ongewenst meeklinkend geluid
- extraneous noise contaminating sound measurements that cannot be separated from the desired signal
Synoniemen
Hyperoniemen
Hyponiemen
Voorbeeldzinnen
- What's that noise I can hear in the background?
- Music that doesn't transmit feelings, images, thoughts, or memories is just background noise.
- Unavoidable background noise from, for example, ventilation equipment, should be minimised, and sudden noises should be avoided.
- removal or modification on the vehicle that may contribute to the background noise of the vehicle is recommended.
- The level of background noise should be kept low and should only exceed 65 dBA for short periods.
- The background sound level (including any wind noise) shall be at least 10 dB(A) less than the measured tyre rolling sound emission.
- removal or modification on the vehicle that may contribute to the background noise of the vehicle is recommended. Any removals or modifications shall be recorded in the test report;
- Water tunnels, having a background noise of less than 100 dB (reference 1 μPa, 1 Hz), in the frequency range from 0 to 500 Hz, designed for measuring acoustic fields generated by a hydro-flow around propulsion system models.
- Water tunnels having a background noise of less than 100 dB (reference 1 µPa, 1 Hz), in the frequency range from 0 to 500 Hz and designed for measuring acoustic fields generated by a hydro-flow around propulsion system models.
- The detection limit is defined as the concentration of the element in the 4 % acetic acid solution, as referred to in point 3.1, which gives a signal equal to twice the background noise of the instrument.
- Water tunnels having a background noise of less than 100 dB (reference 1 μPa, 1 Hz), in the frequency range from 0 to 500 Hz and designed for measuring acoustic fields generated by a hydro-flow around propulsion system models.