1.
Measurement Analysis of Explosion Acoustic Source Level in Oceanographic Hydroacoustic Survey
海洋水声调查中爆炸声声源级的测量分析
2.
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
3.
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
4.
Optimal strategy for the second source in enclosure under active noise control
封闭空间有源噪声控制次级声源优化策略
5.
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
6.
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
7.
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
8.
Dipole Source Identification in Last Stage of Propylene Compressor
丙烯压缩机末级偶极子气动声源识别
9.
Acoustics--Determination of sound power levels of noise sources--Precision methods and engineering methods for reverberation rooms
GB/T6881-1986声学噪声源声功率级的测定混响室精密法和工程法
10.
Acoustics--Determination of sound power levels of noise sources using sound pressure--Engineering method in an essentially free field over a reflecting plane
GB/T3767-1996声学声压法测定噪声源声功率级反射面上方近似自由场的工程法
11.
Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using an enveloping measurement surface over a reflecting plane
GB/T3768-1996声学声压法测定噪声源声功率级反射面上方采用包络测量表面的简易法
12.
Acoustics--Determination of sound power levels of noise sources using sound intensity--Part 1: Measurement at discrete points
GB/T16404-1996声学声强法测定噪声源的声功率级第1部分:离散点上的测量
13.
Acoustics--Determination of sound power levels of noise sources--Guide lines for the use of basic standards and for the preparation of noise test codes
GB/T14367-1993声学噪声源声功率级的测定使用基础标准与制订噪声测试规范的准则
14.
Parameter optimization of secondary loudspeakers and compensators in active headrest
有源头靠系统中次级声源和控制电路的参数优化研究
15.
The figures can be used to easily calculate the sound power level of the sound source inside the duct through measuring the SPL at a single point outside of the duct.
利用这些图和简单公式,通过测量管外一点的声压级就可确定管内声源声功率。
16.
However, a goto is a jump at the source-code level, and that's what brought it into disrepute.
然而，goto是在源码的级别跳转的，所以招致了不好的声誉。
17.
A trademark pedigree – where you have an established brand name that means your offering is world-class.
商标的根源–怎样建立起品牌名声，让品牌与世界级产品划上等号。
18.
CONTINUED ON PAGE 33 STUDY OF MULTISTAGE FUZZY COMPREHENSIVE EVALUATION METHOD ON AE SOURCE SERIOUSNESS
在役压力容器声发射源严重度的多级模糊综合评定方法研究