Betekenis van:
noise level
noise level
Zelfstandig naamwoord
- the amplitude level of the undesired background noise
Synoniemen
Hyperoniemen
Voorbeeldzinnen
- noise level (dbA)
- reduced noise level.
- Noise level shall be determined as follows:
- The emitted level of noise is characterised by:
- Subjective evaluation (unless the inspector considers that the noise level may be borderline, in which case a standing noise test using a noise meter may be conducted)
- The driver-perceived ambient noise level due to the wind or other sources of noise must be at least 10 dB(A) below the noise level of the tractor;
- After conditioning, the noise level is checked pursuant to paragraph 6.2. above.
- induction coil "magnetometers" having a "noise level" (sensitivity) lower (better) than any of the following:
- The maximum noise level in dB(A) shall be determined as follows:
- Induction coil "magnetometers" having a "noise level" (sensitivity) lower (better) than any of the following:
- "Noise level" (6) means an electrical signal given in terms of power spectral density.
- The test report shall include noise-level measurements carried out under the following conditions:
- relating to the driver-perceived noise level of wheeled agricultural or forestry tractors
- The interior noise level of passenger vehicles is not considered to be a basic parameter.
- It shall be clearly visible and audible even in operating conditions with the highest noise level.