acoustic properties 中文意思是什麼

acoustic properties 解釋
聲學性質
  • 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。
  • properties : （特性）命令修改特性
  1. The combustor resonance properties are portrayed by instability zones, one zone for each acoustic mode.

    燃燒室的共振特性用不穩定區表示，每種聲振型都有一個這樣的區域。
  2. Analysis of the acoustic propagation properties under the sea with normal vibration method

    用簡正波方法分析聲波在海水中的傳播特性
  3. The surface acoustic waves stress sensitive properties of piezoelectric crystal la3ga5sio14 base on stress sensitive coefficients

    基於應力敏感系數的硅酸鎵鑭晶體聲表面波應力敏感特性
  4. This paper reviewed the researches and applications of seismic techniques in mining exploration in detail, including the fundamental researches composed of acoustic properties and scattering characteristics, regional reconnaissance studies. 2 - d and 3 - d surface seismic imaging and down hole seismic imaging, and pointed out the main seismic method used in mining exploration is reflected wave methods at present

    摘要系統地總結了國內外現有金屬礦地震勘探技術及其研究與應用現狀，其中包括巖石物理性質分析和散射波場特徵分析等基礎研究、區域普查地震技術、二維和三維地震成像技術及井下地震勘探技術。
  5. The gas bubbles affect the acoustic properties of the line by energy dissipation as well as by added compliance.

    氣泡改變了管道的聲學性質，這是由於能量的耗散和增加了順從性的緣故。
  6. Prosody. models of speech planning ; evidence from speech errors. modification of features and acoustic properties in fluent speech ; gestural overlap, reduction, enhancement

    18韻律學。語言規劃模型。語言錯誤的實證。特徵系數的改變和流暢語言中的聲學特性。姿態的重疊、簡化和加強。
  7. In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples

    第二章在聲波動理論基礎上，詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式；根據fredholm積分理論，對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明；改進了chief法以提高其克服解的非唯一性的有效性和可靠性；對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究；開發了三次樣條改進chief法計算軟體，並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。
  8. Acoustics and vibration - laboratory measurement of vibro - acoustic transfer properties of resilient elements - indirect method for determination of the dynamic stiffness of resilient supports for translatory motion

    聲學和振動.彈性元件的振動-聲傳輸特性的實驗室測量.平移動用彈性支架的動態剛性的間接測定方法
  9. Modal analysis of k5206nm compressor block is done, and the acoustic radiation modal parameters are calculated, then the acoustic radiation properties of the compressor block can be obtained, which provide the basis for the low noise compressor block design

    對k5206nm壓縮機機體進行了模態分析和聲輻射模態參數計算，獲得了機體的聲輻射特性，從而為機體的低噪聲設計提供了依據。
  10. Firstly, some useful experience about designing underwater acoustic communication systems and the properties of underwater acoustic channels are introduced

    論文首先總結了前人關于海洋水聲通信系統設計的經驗，討論了海洋水聲通道的特點。
  11. Then, introducing something about spread spectrum technique. and deciding to select direct - sequence spread spectrum ( ds ) in underwater acoustic communications by comparing ds to fh according to the properties of underwater acoustic channels. after that, discussing something about rake receiver, simulating the path - search algorithms, synchronization circuits and rake receiver in low speed underwater acoustic communications and analyzing some major factors influencing the performance of systems

    然後介紹了rake接收技術的基本原理，並對rake接收系統中的路徑搜索和同步系統進行了討論和模擬分析，另外還對rake接收技術在低速水聲通信系統中的應用作了模擬分析，並討論了一些影響rake接收系統性能的主要因素。
  12. With the progressive development of underwater acoustic detection and acoustic - guided weapons, more advanced requirements are imposed upon the acoustic properties of submarines

    隨著水聲探測潛艇的手段和方法以及帶有聲制導的水下武器的不斷完善，對潛艇的聲學性能的要求越來越高。
  13. Furthermore, zno has properties of piezoelectricity and photoelectricity, so it can be applied as surface acoustic wave sensor, piezoelectric resistance and detection materials et al

    此外zno具有優異的壓電和光電性能，可以被用作聲表面波器件、壓敏電阻和探測材料等。
  14. Acoustics and vibration - laboratory measurement of vibro - acoustic transfer properties of resilient elements - part 4 : dynamic stiffness of elements other than resilient supports for translatory motion

    聲學和振動.彈性元件振動-聲傳輸性能的實驗室測量.第4部分:傳輸運動用非彈性支撐元件的動態勁度
  15. On the other hand, when a humorous dialogue, sung or spoken, is played back as an audio - recording, the listener can make use of his / her perception of hearing to appreciate the lines as interpreted by the singer / speaker, with full access to acoustic properties, including pronunciation, pitch variations, shifts in speech tempo, modulation in loudness, and so forth

    另一方面，當幽默的對話、演唱或說話作為錄音資料進行播放，聽者能利用他或她對所聽內容的理解以欣賞歌唱者或說話者所詮釋的詞句，能知道所有的聲音道具，包括發音、定調變化、說化節拍的變化、響度的改變等等。
  16. Different vocal behavior models were given from sound spectrum analysis for different songs. based on rule sonagram, quantitative analysis and qualitative analysis, difference comparative analysis in and between individuals for different songs were developed, and obtained the sresuls were as follows : ( 1 ) acoustic properties of male songs were that there were less syllables in every single calling song, it was usually more t

    通過對不同鳴聲的聲譜分析，給出了不同鳴聲的聲行為模式，並在常規聲圖的基礎上，對不同鳴聲進行了定性與定量分析、個體內差異比較分析以及個體間差異比較分析，得出結果如下： （ 1 ）雄性的鳴聲特性是每個單次叫聲中含有的音節數較少，一般不超過4個音節；而雌性的鳴聲特博士學位論文摘要東北農業大學仿毀刨會次叫聲？
  17. In this paper, theoretical analysis and experimental research on acoustic scattering properties of some submarine model are made in a water tank. in the meanwhile, the bistatic sonar localization has been thoroughly studied

    本文依據多基地聲納的工作特點，對多基地聲納應用中的關鍵技術進行了研究，給出了有關多基地聲納定位和多基地目標聲散射特性的研究方法。
  18. Laboratory measurement of acoustic properties on rock

    巖石聲波特性的實驗室測定
  19. The present situation and prospect of the acoustic properties research in rock

    巖石聲學特性研究現狀及展望
  20. Acoustic properties of space inside a railcar are analyzed based fem when frequencies are lower : 1 acoustic modal inside the railcar is calculated whether coupled or uncoupled with shell of railcar, 2 acoustic field inside the railcar is calculated when a force is given

    針對某型鐵路客車應用有限無法在較低的頻率范圍內對客車車內的聲學特性進行了研究分析，得出了客車車內流體自身的模態和液體與車體耦合后車內流體的模態，並在給定激勵下計算了客車車廂內部的聲場。
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