pressure level and the sound intensity level at the location of the receiver by also 6 dB, even if the sound power drops to a factor of 0.25, the sound pressure dropsto a factor of 0.5 and the sound intensity drops to a factor of 0.25. The reference value for the sound level was cho...
The sound source is emitting all the time the acoustic power and stays there. The sound power does not decrease with the distance from the sound source. Converting sound power level to sound pressure level Power is like all energy quantities primarily a calculated value....
This analysis will be useful for developing a system (unmanned aircraft systems Tracking and Reconnaissance System), which will be able to locate a small unmanned aircraft system using its sound power level, in a prefixed area. The investigation on sound power levels and sound...
LI= sound intensity level (dB) I= sound intensity (W/m2) Iref= 10-12- reference sound intensity (W/m2) Sound Pressure Level Thesound pressureis the force(N)of a sound on a surface area(m2)perpendicular to the direction of the sound. The SI-unit for the Sound Pressure isN/m2or Pa...
Sound pressure level (Lp) Is a measure of the sound energy emitted from a source of noise, expresses in decibel or dBA Sound power level (Lw) Is the above but measured in predefined conditions The sound power level is independant on: ...
Sound pressure levelisdisplayed at all calculation points and is the sum of the contributions, but does not show the source bksv.com bksv.com 声压级是贡献总和,可在所有计算点显示,但是无法显示来源。 bksv.cn bksv.cn When used with a subwoofer it is recommended to use either 60Hz or 80Hz fil...
Both the sound pressure level and temperature level are dependent on the location and distance away from the source object. 2.2 Sound Power and Heater Power The heater generates a particular amount of heat per hour. The power required to generate this heat is the same, no matter w...
Sound Pressure Level 青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译! 翻译结果1翻译结果2翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 声压水平 翻译结果2复制译文编辑译文朗读译文返回顶部...
SOUND PRESSURE LEVEL AND SOUND POWER LEVEL DECLARATIONS: NAVIGATING THE MAZE 来自 掌桥科研 喜欢 0 阅读量: 2 作者: E Shanks 摘要: Under European law, noisy machinery supplied in Europe must be accompanied by a noise declaration. This requirement is defined in European Directives 2006/42/EC (...
Question in the title... I see values stated like this and dont know whether they mean sound power level or sound pressure level: Noise level (ISO 2151): 66dB(A