[详细解答] 文中这句话“Noise cannot be measured in the same way because it refers to the psychological effect of sound and its level of "intensity" depends on the situation”表明,噪音强度的大小取决于在不同的环境下它对于人的心理的不问影响,故选项C正确。
The measurement of the sound intensity transmitted into aircraft cabins and the prediction of internal noise levelsCrocker, Malcolm J.INTER-NOISE and NOISE-CON Congress and Conference Proceedings
Intensity techniques are now widely used for two purposes: sound power determination and source identification. The work described in this presentation illustrates an application of the latter type. As part of a noise control program for a small domestic appliance, a narrow‐band intensity measurement...
An experimental study of jet noise part I: Turbulent mixing noise The characteristics, both spectral and directivity, of turbulent mixing noise in the far field from subsonic and fully-expanded supersonic jet flows have been studied experimentally over an extensive envelope of jet operating conditions...
The present study investigated the effects of decreased audibility of the speech sounds 'ba' and 'da' on the mismatch negativity (MMN). Audibility was altered by varying the intensity of the masking noise to be either 0 (no noise), 65, 70 or 75 dB speech perception level. Cortical event...
Echolocating bats adapt their emissions to succeed in noisy environments. In the present study we investigated if echolocating humans can detect a sound-reflecting surface in the presence of noise and if intensity of echolocation emissions (i.e. clicks)
13. (intr) (of a sound) to be heard 14. (intr) to resonate with a certain quality or intensity: to sound loud. 15. (copula) to give the impression of being as specified when read, heard, etc: to sound reasonable. 16. (tr) to pronounce distinctly or audibly: to sound one's...
Figure 4a presents a schematic of the WG display, where the photopolymer films were affixed to both the ends of a slide glass measuring 26 mm in width, 76 mm in length, and 1 mm in height. Figure 4b depicts the outcomes when incident parallel light of R, G, and B wavelengths impinge...
Noise exhibits a richly patterned fine structure that evokes reproducible, temporally structured responses in the JONs and has been shown to reduce desynchronization in other systems25 (Supplementary Figs. 1b and 2a). We found that CAP responses exhibit transients at each switch in noise intensity:...
The response characteristics at Pohang Yeongil New Port, where the measuring station is located, were analyzed using 10 seismic motion data of the foreshock, mainshock and aftershocks during the 9.12 and PH EQs. The site-specific response for characteristics of seismic motion recorded at measuring...