acoustic pressure造句
造句与例句手机版
- Measuring instruments for air borne acoustics pressure
空气声声压计量器具 - Reconstructing the acoustic pressure field using spheroidal wave functions
用长旋转椭球函数重构声场 - Calculation of acoustic pressure resulted from a vibratory facility in multi - component mixtures
多成分混合液体中高频振荡装置 - Acoustic pressure pulse
声压脉冲 - Methods of measuring the pulse acoustic pressure of ultrasonic diagnostic equipment for medical use
医用超声诊断仪的脉冲声强.测量方法 - Optimum weight design of plate with acoustic pressure restrict for coupled acoustic - structure systems
偏心量对轴向碰摩系统弯扭耦合非线性振动特性影响的分析 - Moreover , taking on the rayleigh integral the far field acoustic pressure and the directivity formula is obtained
并对其声场远场采用瑞利积分推导了一般表达式和指向性公式。 - We get and analysis the data of the reverberation , noise and acoustic pressure level of the conference hall and lecture hall in some northern university in measurement
实测和分析了北方某大学的甲报告厅和乙会议厅的混响时间、背景噪声、声场级等数据。 - The acoustic pressure information and particle velocity information are used to study the direction of the arrival estimation by analyzing strong linear spectrum of the single target basing on cross spectrum method
摘要利用矢量水听器收集到的声压和振速信息,研究基于互谱法分析单目标的强线谱来进行目标方位估计。 - Through redesigning of pipe system to alter its character and using the ways to isolate vibration and reduce vibration , it is yielded very good results of reducing the vibration and noise . in some points the acoustic pressure level drops very much , such as in the standard point of number one pump the acoustic pressure level drops 15db ( a ) and in the standard point of cistern also drops 15db ( a ) , and in the highest point of the acoustic pressure before redesign drops from 105db ( a ) to 44db ( a ) , and in the second floor the acoustic pressure level have reached the requirment
通过对管道结构的改造,减振和隔振措施的有效使用,使供水系统的振动和噪声得到了有效的控制:使一号泵前的标准点和蓄水池前标准点的噪声声压级都降低了15db ( a ) ,管道上测点的振动量降低了90 ;二楼居民门外的噪声从55db ( a )降到25db ( a ) ,远低国家标准35db ( a ) ;在改造前噪声最大点西侧蓄水池的噪声也由105db ( a )降到44db ( a ) 。 - It's difficult to see acoustic pressure in a sentence. 用acoustic pressure造句挺难的
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