acoustic pressure 中文意思是什麼

acoustic pressure 解釋
聲壓
  • acoustic : adj. 1. 聽覺的；聲學的。2. 助聽的；傳音的。3. 原聲的，不經過電子設備傳聲的。adv. -tically 在聽覺上；在聲學上。
  • pressure : n 1 壓；按；擠；榨。2 【物理學】壓力，壓強；大氣壓力；電壓。3 精神壓力，政治[經濟、輿論等]壓力。4...
  1. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  2. Reconstructing the acoustic pressure field using spheroidal wave functions

    用長旋轉橢球函數重構聲場
  3. The establishment of chronic and pressure - induced rat model for acoustic neurinomas

    大鼠聽神經瘤慢性壓力模型的建立
  4. Acoustic emission examination and evaluation of metallic pressure vessels

    金屬壓力容器聲發射檢測及結果評價方法
  5. Surface acoustic wave pressure transducer

    表面聲波式壓力傳感器
  6. Standard practice for continuous monitoring of acoustic emission from metal pressure boundaries

    連續監測來自金屬壓力界面的聲發射的標準實施規程
  7. Calculation of acoustic pressure resulted from a vibratory facility in multi - component mixtures

    多成分混合液體中高頻振蕩裝置
  8. 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

    摘要利用矢量水聽器收集到的聲壓和振速信息，研究基於互譜法分析單目標的強線譜來進行目標方位估計。
  9. A vector hydrophone is composed of two or three spatially co - located but orthogonally oriented velocity hydrophones plus another optional co - located pressure hydrophone. this paper introduces an underwater acoustic eigenstructure esprit - based algorithm that yields closed - form direction - of - arrival ( doa ) estimates using a single vector hydrophone

    矢量水聽器是由質點振速傳感器和聲壓傳感器復合而成的，相對于傳統的聲壓水聽器，可以獲取水下聲矢量信號，為水下信號的檢測和估計提供了更為豐富的聲場信息。
  10. Acoustic emission and wavelet packet theories are adopted to detect pressure leakage location accurately

    摘要採用聲發射技術與小波包理論相結合的方法對管道泄漏點實現了精確定位。
  11. Based on the acoustic radiation mode analysis, the transfer matrix relating the pressure at every field point to normal component of surface velocity is formed

    摘要基於聲輻射模態分析，建立了外部場壓和結構表面振動速度之間關系的傳遞矩陣。
  12. Using finite element and boundary element method, a modal analysis model of complex structural acoustic radiation in light fluid is proposed for computing modal acoustic radiation frequency, farfield sound pressure, modal radiated acoustic power and acoustic radiation efficiency

    摘要採用有限元和邊界元方法建立了輕流體介質中復雜結構振動聲輻射的模態分析模型，可計算結構的聲輻射模態頻率、模態場點聲壓、模態輻射聲功率和聲輻射效率等聲場特性參數。
  13. Numerical simulations for different grain models show that the high frequency longitudinal acoustic oscillations could he generated at the moment of pressure filling

    摘要固體火箭發動機中聲波振蕩是引起不穩定燃燒的一個重要原因。
  14. Then acoustic radiative pressure level is computed with a 3 - d fe acoustic - field model and bounary conditions imported from the result of vibration response by infinite fem

    建立齒輪箱外聲場二維有限元模型，導入齒輪箱振動響應結果作為聲學邊界條件，並採用無限有限元法計算了輻射聲壓級。
  15. Acoustic pressure pulse

    聲壓脈沖
  16. Methods of measuring the pulse acoustic pressure of ultrasonic diagnostic equipment for medical use

    醫用超聲診斷儀的脈沖聲強.測量方法
  17. Optimum weight design of plate with acoustic pressure restrict for coupled acoustic - structure systems

    偏心量對軸向碰摩系統彎扭耦合非線性振動特性影響的分析
  18. Moreover, taking on the rayleigh integral the far field acoustic pressure and the directivity formula is obtained

    並對其聲場遠場採用瑞利積分推導了一般表達式和指向性公式。
  19. 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

    實測和分析了北方某大學的甲報告廳和乙會議廳的混響時間、背景噪聲、聲場級等數據。
  20. 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

    通過對管道結構的改造，減振和隔振措施的有效使用，使供水系統的振動和噪聲得到了有效的控制：使一號泵前的標準點和蓄水池前標準點的噪聲聲壓級都降低了15db （ a ） ，管道上測點的振動量降低了90 ；二樓居民門外的噪聲從55db （ a ）降到25db （ a ） ，遠低國家標準35db （ a ） ；在改造前噪聲最大點西側蓄水池的噪聲也由105db （ a ）降到44db （ a ） 。
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