1.
Regulation on noise levels on board sea-going ships
GB5979-1986海洋船舶噪声级规定
2.
measured noise level [MNL]
量度所得的噪音声级
3.
Two-stage impulse noise filtering algorithm based on PCNN noise detection
基于PCNN噪声检测的两级脉冲噪声滤波算法
4.
Determination of sound power level for noise emitted by woodworking machinery
GB/T3770-1983木工机床噪声声功率级的测定
5.
Determination of sound power levels of noise emitted by household electrical appliances
GB/T4214-1984家用电器噪声声功率级的测定
6.
Conclusion The workplace can be classified by equivalent consecutive sound level A.
结论噪声作业可以用等效连续A声级来进行分级。
7.
Research on Multi-channel Adaptive Active Noise Control Systems for Reducing Vehicle Interior Low Frequency Noise;
车内低频噪声多次级声源有源消声系统研究
8.
Noise Pollution Levels of Urban Road Traffic in 2001
2001年度城市道路交通噪声污染分级
9.
Noise Pollution Levels of Urban Regional Noise Pollution
2001年度城市区域噪声污染分级
10.
Noise figures of cascaded two-port networks with unequal bandwidth
不等带宽两端口网络级联的噪声系数
11.
Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using a reference sound source
GB/T16538-1996声学声压法测定噪声源声功率级使用标准声源简易法
12.
Acoustics--Determination of sound power levels of noise sources--Precision methods for anechoic and semi-anechoic rooms
GB/T6882-1986声学噪声源声功率级的测定消声室和半消声室精密法
13.
Metal-cutting machine tools--Measurement method of sound pressure level
GB/T16769-1997金属切削机床噪声声压级测量方法
14.
Determination of sound power levels of noise emitted by metal cutting machine tools
GB/T4215-1984金属切削机床噪声声功率级的测定
15.
Determination of sound power level for noise emitted by reciprocating pump--Engineering method
GB/T9069-1988往复泵噪声声功率级的测定工程法
16.
Determination of sound power levels of internal combustion engines noise-Quasi-engineering method
GB/T1859-1989内燃机噪声声功率级的测定准工程法
17.
Determination of sound power level for noise emitted by centrifuger separator and filter - Engineering method
GB/T10894-1989分离机械噪声声功率级的测定工程法
18.
Comparison of Equivalent Regional Environmental Noise Level in State-Controlled Cities in 2001
2001年度国控城市区域环境噪声等效声级比较