acoustic power 中文意思是什麼

acoustic power 解釋
聲功率
  • 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。
  • power : n 1 力，力量；能力；體力，精力；（生理）機能；〈常 pl 〉才能。2 勢力，權力，權限；威力；政權；權...
  1. Based on the real situation of submarine and antisubmarine warfare ( asw ), according to the classical design theory of transducer or transducer array, a sonar will be researched and made, which has the feature of more wider bandwidth, more lower operating frequency, more lager radiation acoustic power, more farther operating distance, more higher researching efficiency and more higher directive accuracy

    本文根據現代潛戰和反潛戰（ asw ）的實際情況，按照經典的換能器和基陣的設計理論，研製聲吶，旨在擴展其頻帶寬度、降低其工作頻率、增大其發射功率、擴大其作用距離以及提高其搜索效率和定向準確度。
  2. Psittacula agapornis ), oscine passenon ( emberiza rutila ) and the vocalizations of sub - oscine passerine ( melopsittacus undulates, psittacula agapornis ) after sectioning nxiits were recorded by sharp gf - 6060 recorder. cooledit2000, an acoustic analyzing software, was used to produce the original wave and it ' s expanded time windows, sonograms, spectrums and power static histograms. to distinguish the acoustic differences of their natural vocal and to find the changes of sub - oscine passerine ' s song after sectioning nxiits, the above results is acoustically analyzed and compared, expecting to provide some advantage to further explaining the mechanism of vocal production

    本實驗以非鳴禽（家鴿、家雞） ，亞鳴禽（虎皮鸚鵡、牡丹鸚鵡）以及鳴禽（栗? ）為實驗材料，記錄其正常叫聲以及亞鳴禽斷nxiits后的叫聲，用cooledit2000聲音處理軟體制出原始信號及其展開圖，聲圖，頻率譜圖以及能量統計分布圖，並對所得結果進行聲學比較分析，以期得到鳴禽、亞鳴禽及非鳴禽叫聲在聲學特性上的差異，以及亞鳴禽在斷神經后叫聲的聲學變化，旨在為進一步解釋其發聲機制提供幫助。
  3. Uses the hi - fi electronic component, like high power circle transformer, acoustic special - purpose electric capacitor and so on

    採用hi - fi級電子元件，如大功率環形變壓器，音響專用電容等。
  4. Piezoelectric acoustic wave sensing technique has been applied to numerous fields, including analytical chemistry, life science, environmental monitoring and surface sciences because of it ' s small size, high sensitivity, simplicity, low power consumption and broad sensing spectrum

    壓電聲波傳感技術因其靈敏度高、響應譜廣、結構簡單和成本低廉等特點已經被廣泛應用於分析化學、生物化學、環境監測及分子生物學等眾多領域。
  5. With an aim at this problem, this paper suggests the modulation scheme with dc bus voltage ripple by using the front - end active power factor correct circuit based on the analysis of necessary conditions of producing acoustic resonances

    針對這一現象，在分析產生聲諧振的必要條件的基礎上，重點提出了利用前級有源功率因數校正電路的直流母線脈動電壓的調制方案。
  6. Lead alloys as solder for transducers used in high - powered ( designated to operate for several hours at acoustic power levels of 125 db spl and above ) loudspeakers

    用作大功率揚聲器（用在長時間操作125分貝以上的音響系統）的傳感器焊料中的鉛合金。
  7. With the characteristics of the underwater acoustic channel, media access control protocols at data link layer adopt the maca protocol which uses rts - cts exchange to solve the hidden and exposed situation and automatically control power

    在數據鏈路層的設計中針對水下聲通道的特點，對于介質訪問控制協議採用了maca協議，它使用rts - cts控制報文握手機制來解決uan中的隱蔽終端、暴露終端以及功率控制問題。
  8. The emphases of our research works are as follows : under ultra - low temperature ( about 0. 236k ) conditions, how the frequency and power of the saw and the source drain voltage influence the acoustic current ; and the relationship between the source drain current and the split - gate voltage ; and how to find the cut off voltage of the quasi - 1d electron channel ; and also the frequency character of the idt in the saw parts

    研究的重點為，在甚低溫（ 0 . 236k ）下，通過實驗研究表面聲波的頻率和功率，源漏偏壓等因素對聲電電流的影響;研究準一維電子通道中不同源漏電流與分裂門負偏壓的關系，以找到分裂門的鉗斷點電壓;以及研究聲表面器件叉指換能器的頻率特性等。
  9. Surface acoustic wave ( saw ) motor is a novel micro actuator, which generates saw with the electroacoustic transducer and transfers it to the power of saw motor by the frictional force between the slider and the stator

    表面彈性波馬達是一種以電聲換能器產生表面彈性波，並通過馬達動子和定子的接觸摩擦將表面彈性波振動轉換為馬達動力的新型執行器。
  10. But to circular plate with large surface area, the vibrate modes generated is often so high that there is reverse phases existing, which result in a decrease in radiation impedance, electric - acoustic efficiency and the electric power, as well as poor directivity

    然而對于輻射面積較大的彎曲振動圓盤，一般激勵的振動階數比較高，因此存在彎曲振動的反相區，導致換能器的輻射阻抗下降，電聲效率和聲功率降低以及指向性變差等問題。
  11. Numerical simulations were performed and results show that significant attenuation of radiated acoustic power can be obtained, and sound radiation cancellation performance becomes better in low and medium frequencies

    進行了數值模擬，模擬結果表明，應用壓電片能有效地抑制聲吶設備中障板聲輻射，抑制中低頻的聲輻射效果更好。
  12. Power saving coding for underwater acoustic communication

    一種低能耗的水聲通信編碼方案的研究
  13. Then analytical measurements of the noise were carried out on both of the turbines by means of modern acoustic apparatus and a conclusion has been found that the noise of the concentrated wind energy turbine is lower than the one of the ordinary wind energy turbine and the root of the trouble to cause noise chiefly originates from the turbine blade. besides, the result of analytical measurement also reveals that the power output both of the wind energy turbines will increase with the increase of the wind speed and unfortunately does the noise too. in order to lower the noise, a measures of noise reduction have been advanced that an active method is to develop a wind energy turbine run at a lower rating of wind speed while the passive method is to adopt a board drilled tiny holes, having established a sound technological basis for the development of a kind of wind energy turbine of low noise and high level in the world

    主要對濃縮風能型風力發電機在正常運轉時，噪聲產生的機理進行了理論分析研究，並與普通型風力發電機的噪聲進行了對比實驗分析；利用現代聲學測試手段對兩類機型進行測試與分析，得出濃縮風能型風力發電機產生噪聲低於普通型風力發電機和葉輪是風力發電機產生噪聲的主要部件的結論；通過對兩類機型的噪聲、輸出功率的測試，得出隨著風速的增加，兩類風力發電機的輸出功率在增加，產生的噪聲也在增加的結論；提出了進一步降低濃縮風能型風力發電機噪聲的措施，從主動降噪方面，研製低額定轉速的發電機；從被動降噪方面，採用微孔穿板的降噪結構；為研究開發一種國際上低噪聲、高水平的風力發電機打下了良好的技術基礎。
  14. 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。
  15. Thermoacoustic effect is the phenomenon of the conversion between thermal energy and acoustic power

    熱聲效應是熱與聲之間相互轉換的現象，即聲場中的時均熱力學效應。
  16. Measurement of acoustic power of piston transducer based on calorimetry

    一種基於量熱法的平面換能器聲功率測量的方法
  17. Acoustic power output

    聲功輸出
  18. Thermoacoustic engine is a kind of machine, which converts thermal energy into acoustic power by thermoacoustic effect

    熱聲發動機是一種通過熱聲效應實現熱能與聲能轉化的裝置。
  19. Computation results provide optimized dimensions of regenerator for different pressure ratios at a fixed acoustic power input, which could be a preliminary guide in designing a regenerator for pulse tube refrigerators

    計算了給定輸入聲功率、不同輸入壓比條件下回熱器的優化尺寸，可為脈管製冷機回熱器的優化設計提供參考。
  20. Because the thermoacoustic conversion process that occurs in its regenerator is reversible and velocity is in phase with pressure, traveling - wave thermoacoustic engine can produce and transmit acoustic power with higher efficiency theoretically

    由於行波熱聲發動機在回熱器中進行的是可逆熱聲轉換過程，並且聲場中速度和壓力相位相同，所以可以更高效地產生和傳輸聲功。
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