acoustic matrix 中文意思是什麼
acoustic matrix
解釋
聲學矩陣-
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。 -
Acoustic transmission matrix of reactive muffler containing units made of perforated pipe
抗性消聲器中含穿孔管時的聲傳遞矩陣 -
The acoustic radiation resistance matrix is combined with the velocity vector on a vibration surface to predict the total sound power radiated from the structure
摘要利用聲輻射阻力矩陣和振動面上的速度矢量預報了結構聲輻射的總功率。 -
Finally, the results are compared with periodic and random chains. then we studied acoustic wave propagation in 1d quasiperiodic and aperiodic systems by means of he transfer matrix. transmission rate, reflection rate, energy flow, logarithmic energy flow, energy density and lyapunov exponent are computed numerically, and compared with periodic and random system
其次研究了聲波在幾種一維準周期和非周期系統中的傳播，通過轉移矩陣的方法，數值地得到了系統的傳播系數t _ n 、反射系數r _ n 、能流密度j _ n ，能量密度e _ n和lyapunov指數，給出了以上各量與傳播長度n以及頻率之間的關系，同時發現能流及能量密度都具有分形結構，並與周期和隨機系統的結果作了比較。 -
Firstly, acoustic waves propagation in id quasi - periodic system is studied by means of the transfer matrix method. the transmission rate, reflection rate, energy flow, logarithmic energy flow, energy density and lyapunov exponent are obtained numerically. we explain all these parameters " relations with frequency and the size of system, and compare these p arameters with those o f periodic system. we find that these parameters are fractal in this quasi - period system
通過轉移矩陣的方法，數值地得到了系統的傳播系數t _ n 、反射系數r _ n ，能流密度j _ n 、能量密度e _ n 、李雅譜諾大指數_ n ，給出了以上各量與系統大小n以及頻率之間的關系，發現這些量存在著與周期系統不同的準周期性質，其能量會出現局域化現象，能流以及能量密度都具有分形結構，給出了相應的理論解釋。 -
In this paper 5 function modek equivalent circuit model and p matrix representation of idt are expounded. the principle of energy transfer efficiency of energy transfer and frequency response of combinational acoustic pathes are also expounded
本論文闡述了叉指換能器的6函數模型、等效電路模型和p矩陣表示方法；耦合器能量轉移的原理、能量轉移效率；組合聲路的頻率響應。 -
By means of acoustic transmission matrix, the muffler is being simulated directly and indirectly. the foul - terminal network parameter, tl and il are calculated, too
利用聲傳遞矩陣的理論對兩種類型消聲器進行了直接模擬和間接模擬，計算出了消聲器的四端網路參數、插入損失和傳遞損失。 -
Finally, in the application of the resistance matrix, the calculation of the acoustic field has been avoided, giving a degree of accuracy comparable to the classical approaches
利用阻力矩陣法，不僅避免了聲場的計算，而且能達到經典法所能達到的精度。 -
The authors use the specific acoustic impedance of mpp which needs to be measured beforehand in the approach, and then, the transfer matrix method is employed to predict the sound - absorbing performance of single or multi - layered mpp
採用該方法獲得的微孔板吸聲性能曲線與實測結果相當接近，能較好地預測各種組合微孔板的吸聲性能。 -
Non destructive testing. acoustic emission. examination of composite material parts and structures. matrix fibers
無損檢驗.聲音發射.復合材料零件和結構件的檢查 -
Especially for matrix porosity and fracture porosity, the thesis took a way of multiple curves integrated discrimination instead of only using acoustic curve at past. during the period of the thesis research, a project about volcanic rock in liaohe basin started. so a lot of volcanic data in liaohe basin were gotten. the thesis processed and interpreted 31 volcanic rock wells and test the interpretation results with the well data which is already known
在論文的研究進程中，恰逢《遼河油田火山巖儲集層測井解釋評價》課題開題，因此使得本論文能夠得到相對齊全的有關火山巖的資料和較多的（ 31口井）單井測井資料，並根據此方法對這31口井進行了單井測井處理和解釋，將處理結果與火山巖實際地質資料對比，吻合情況較好。
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