Betekenis van:
acoustic power

acoustic power
Zelfstandig naamwoord
    • the physical intensity of sound

    Synoniemen

    Hyperoniemen


    Voorbeeldzinnen

    1. ’Acoustic power density’ is obtained by dividing the output acoustic power by the product of the area of the radiating surface and the frequency of operation.
    2. A continuously radiated 'acoustic power density' exceeding 0,001 mW/mm2/Hz for devices operating at frequencies below 10 kHz; or
    3. a continuously radiated "acoustic power density" exceeding 0,001 mW/mm2/Hz for devices operating at frequencies below 10 kHz; or
    4. An instantaneous radiated ’acoustic power density’ exceeding 0,01 mW/mm2/Hz for devices operating at frequencies below 10 kHz;
    5. An instantaneous radiated 'acoustic power density' exceeding 0,01 mW/mm2/Hz for devices operating at frequencies below 10 kHz;
    6. an instantaneous radiated "acoustic power density" exceeding 0,01 mW/mm2/Hz for devices operating at frequencies below 10 kHz;
    7. Acoustic environments at an overall sound pressure level of 140 dB or greater (referenced to 20 μPa) or with a total rated acoustic power output of 4 kW or greater; and
    8. acoustic environments at an overall sound pressure level of 140 dB or greater (referenced to 20 µPa) or with a total rated acoustic power output of 4 kW or greater; and
    9. Acoustic environments at an overall sound pressure level of 140 dB or greater (referenced to 20 µPa) or with a total rated acoustic power output of 4 kW or greater; and
    10. Any power system and/or control system failure must be indicated to the driver by an acoustic and an optical signal.
    11. Lead alloys as solder for transducers used in high-powered (designated to operate for several hours at acoustic power levels of 125 dB SPL and above) loudspeakers.’
    12. A continuously radiated 'acoustic power density' exceeding 0,001 mW/mm2/Hz for devices operating at frequencies below 10 kHz; or Technical Note:
    13. Operating frequencies above 3 GHz; b. An average output power density exceeding 80 W/kg; and c. A volume of less than 400 cm3; Note: 3A001.b.8. does not control equipment designed or rated for operation in any frequency band which is "allocated by the ITU" for radio-communications services, but not for radio-determination. c. Acoustic wave devices, as follows, and specially designed components therefor: 1. Surface acoustic wave and surface skimming (shallow bulk) acoustic wave devices (i.e., "signal processing" devices employing elastic waves in materials), having any of the following: a. A carrier frequency exceeding 2,5 GHz;