1.
statistical sound power absorption coefficient
统计声功率吸收系数
2.
Acoustics--Ultrasonic power measurement in the frequency range 0.5～10MHz
GB/T7966-1987声学0.5～10MHz频率范围内超声声功率的测量
3.
Acoustics--Standard ultrasonic power source
GB/T14368-1993声学标准超声功率源
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.
SOUND INTENSITY DISTRIBUTION AND ACOUSTIC POWER OUTPUT OF A SOUND SOURCE IN REVERBERATION CHAMBER
混响室内声源的声功率输出及声强分布
7.
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
8.
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
9.
Acoustics--Determination of sound power levels of noise sources using sound intensity--Part 2: Measurement by scanning
GB/T16404.2-1999声学声强法测定噪声源的声功率级第2部分：扫描测量
10.
Acoustics--Determination of sound power levels of noise sources--Requirements for the performance and calibration of reference sound source
GB/T4129-1995声学噪声源声功率级的测定--标准声源的性能要求与校准
11.
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
12.
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
13.
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
14.
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
15.
Analysis of Acoustic Field and Power Radiated by an Electrical Machine
电机电磁振动辐射的声功率和声场分析
16.
Research on Some Key Problems of the Measurement of Sound Power by Scanning Sound Intensity;
扫描声强法测量声功率的几个关键问题研究
17.
Identification of Noise Sources on Air-conditioner Unit and Sound Power Measurement with Air-flow;
空调机噪声源识别与气流下声功率测量
18.
The concept of" equivalent noisy power spectral density" is introduced in this paper.
文中提出等效噪声功率谱密度的概念。