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- 厅堂扩声特性测量方法中最大声压级的规定和测量的有关问题Issues about Regulations and Measurements of Maximum Sound Pressure Level in Hall Reinforcement Characteristic Measurement
- 在耳道处测试纯音听阈和响度不适级来鉴定听敏度的方法,以耳道声压级表示Assessment of hearing in which pure-tone thresholds and loudness discomfort levels are measured and expressed in ear canal SPL
- 单泡声致发光中声压与气泡最大半径的关系Relationship between acoustic pressure and the maximum radius of the sonoluminescence bubble
- 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。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.
- 海面噪声场条件下声压与振速的空间互相关函数Pressure and Particle Velocity Spatial correlation Function in Sea Surface Generated noise field
- 结果表明较高频泄漏声波具有明显的空间指向性特征,在泄漏口正前方声压级(SPL)较高。The results show that the sound radiation at high frequency present obvious character of directivity pattern. There is a higher SPL on the direction of right in front of the leak hole than other direction.
- 响度单位等于赫的纯音声压级在闻阈上分贝时的响度。a unit of perceived loudness equal to the loudness of a 1000-hertz tone at 40 dB above threshold.
- 将声压传感器阵与声矢量传感器阵的CRB统一用一个表达式描述,其极端情况为单个传感器情况下方位估计的CRB; 跟踪文Analytic acoustic intensity flux (AAIF) is brought forward in the thesis, and single vector sensor DEMON line-spectra detection
- 矩形晶片的楔形超声换能器瑞利表面波远场声压及指向性图案The Rayleigh Wave's Sound Pressure and Directivity Pattern in the Field for Rectangle Wafer in Ultrasonic Wave Probe
- 接下去的发言者试图让人们听他讲话, 但被人群的吼叫声压了下去。The next speaker tried to make himself heard, but the crowd roared him down.
- 具体从线化欧拉方程出发 ,将空间有限点的声压与静叶表面的非定常压力分布关联成第一类 Fredholm积分方程的形式。On basis of the linearized Euler equation,the sound pressure is correlated with the unsteady pressure distributions on stator blade surface in the form of the Fredholm integral equation of the first kind.
- 而声压通道采用PVDF压电薄膜作为敏感元件,以拾取水下声场中的标量信息。A PVDF piezoelectric membrane is used as sensitive element for measuring the scalar pressure of the underwater sound field.
- 标准声压standard sound pressure
- 声压sound pressure
- 声压校准sound pressure calibration
- 声压级sound pressure level (SPL)
- 倍频带声压octave band sound pressure
- 声压差difference of sound pressure
- 声压场sonic pressure field
- 声压法sound pressure method