1.
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
2.
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
3.
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
4.
Sub-programme on Environment and Energy
环境和能源次级方案
5.
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
6.
The Development of a SEP Stimulator Based on the Multimedia Sound Resources of the Computer and the Single Tiral of SEP;
基于计算机多媒体声音资源的SEP刺激器的研制和SEP单次提取
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.
We heard repeated knocks on the door.
我们多次听到敲门声
9.
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
10.
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
11.
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
12.
Effects of infrasound with low sound pressure level on rats with cerebral ischemia-reperfusion injury
低声压级次声对大鼠脑缺血再灌注损伤的影响
13.
On the basis of the discussion, it has pointed that dipole secondary source-configuration (DAA) is the simplest attenuator.
在此基础上提出偶极次级源是较简单的次级源结构。
14.
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
15.
According to range image noise, combining intensity image with multilevel median filtering is used for actual ladar image.
根据距离像噪声来源,采用结合强度像的多级中值滤波对实际的雷达图像进行了去噪处理。
16.
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
17.
The U.S.Subprime Mortgage Crisis:Origin,Prospect and Impact;
美国次级贷款危机:根源、走势、影响
18.
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