piezoelectric transducer 中文意思是什麼

piezoelectric transducer 解釋
電致換能器壓電式傳感器
  • piezoelectric : adj. 【物理學】壓電的。
  • transducer : n. 【無線電】轉換器；換流器，變頻器；換能器，轉換裝置；發送器；傳感器。
  1. Finite element design on cymbal - type piezoelectric transducer

    鈸型壓電傳感器的有限元設計
  2. Because this transducer not only has a firm structure and uses the longitudinal mechanic - electricity coupling coefficient of piezoelectric crystals, but also can be easily made, it has very good electricity - sound ability

    由於製作工藝簡單，結構堅固，且又利用壓電陶瓷的縱向機電耦合系數，因此具有良好的電聲性能。
  3. Point diffraction interferometer - a physical idea, is invented by smartt and strong in 1972, advanced by smartt and steel, and used to test astronomical telescope, it has simple structure and has not special demand to source. recently. with the development of fiber ' s manufacture and coupling technology. the simple modern fiber ' s center is smaller than before, this make it possible to progress fiber point diffraction interferometer ( pdi ), in addition to test convergent wavefront, it can test the reflective concave. the excellence of pdi is that it does not need standard mirror. in intereference testing, the standard mirror is the main reason which limit the improvement of precision, pdi can avoid difficulty to provide the wide future for high precision testing. pdi, which produce the standard sphere wavefront, is an instrument which realize the phase shifting with piezoelectric transducer ( pzt ), and collect the interferogram with ccd, in this paper, a adjusting methord is described, then data processing is obtained

    點衍射干涉儀這一物理思想，早在1972年smartt和strong就已發明，由smartt和steel做了進一步發展，並成功的用於檢測天文望遠鏡，它結構簡單，對光源沒有特殊要求，近年來，由於光纖製造工藝以及耦合技術的發展，單模光纖纖芯不斷縮小，為光纖點衍射干涉儀得以發展提供了前提條件，該干涉儀由激光照明，除了檢測會聚波前外，還可以用來檢測反射凹球面，進而應用到單個面形的檢測；另外，光纖點衍射干涉儀最大的優點是不需要標準鏡，在干涉檢測中，標準鏡是檢測精度受限的很大原因，光纖點衍射干涉儀能繞開這一難度，為進行高精度的光學檢測提供了廣闊的前景。
  4. The operating principle, design method, mading technology, empirical analysis of horn - type longitudinal tonpilz piezoelectric transducer. and. the software of transducer aided design for this type

    介紹擁有喇叭型前蓋板的縱振tonpilz型壓電換能器的工作原理，設計方法，研製工藝和試驗分析。
  5. Therefore, the piezoelectric ceramic with desired structure and properties can be obtained by introducing pms materials and pzn materials into pzt materials, which has great potential of being widely applied in many fields, especially in advanced sound - electricity transducer

    將二者共同引入pzt結構，可獲得較為理想的綜合性能。這種材料在諸多應用領域都有著較好的應用前景，在聲電換能器方面的應用前景尤為受到人們的普遍關注。
  6. A fem software as an important tool, work has been done as follows : the method using fem to design anomalous structure of transducers was adopted ; the vibration modes of the elastic pipe, ultrasonic transducers and system has been analyzed in piezoelectric coupled field. resonant frequencies of the transducers have been matched quite well with resonant frequencies of pipe, which can make it easy and accurate to design a transducer. the values of equivalent dynamic capacitors and dynamic inductances of ahead nine orders have been gotten derived by fem method, and fem equivalent circuit of the transducers has been built

    以ansys有限元軟體為主要分析工具完成了設計工作;在經典換能器設計理論和前人經驗的基礎上，對不規則形狀的換能器採用了有限元的方法設計;在耦合場中分析了換能器、導管及整體裝置的振動情況，使換能器的諧振頻率與導管的諧振頻率達到了較好的匹配，使設計變得更加容易和準確;利用有限元方法建立了振子的等效電路模型，求出了其前6階模態的等效動態電容電感值，為阻抗匹配和驅動電路的設計提供了依據。
  7. Piezoelectric acceleration transducer

    壓電式加速度傳感器
  8. This thesis will mainly introduce the design idea, mading procedure and empirical analysis about piezoelectric transducer and cylindrical transducer array

    本文將主要介紹壓電類換能器和圓柱型換能器陣的設計思想、研製過程和試驗分析。
  9. Also, for material showing pyroelectric properties, electric charges will appear under the effect of temperature. according to these proprieties, a piezoelectric element is an electromechanical transducer ( energy converter ). at present, most of the piezoelectric material is film or ceramic cylinder

    聚偏氟乙烯（ pvdf ）作為一種壓電材料，具有很強的壓電效應和熱釋電效應，也是目前在壓電高分子材料中研究的較為系統、應用最廣泛的高聚物。
  10. In recent several decades, ultrasonic phased arrays had been applied to many medical specialties and nondestructive evaluation ( nde ). an ultrasonic phased array consists of multiple elements which are usually cut or etched from a single piezoelectric plate of lead zirconate titinate ( pzt ). the element thickness determines the operating frequency of the transducer

    近年來，隨著科學技術的飛速發展，超聲相控陣已廣泛的應用在醫學、無損檢測等方面，所謂相控陣，就是由多個壓電陶瓷片（陣元）按一定的分佈排列，然後逐次按欲先規定的延遲時間激發，就可以實現聲波的聚焦。
  11. Temperature property contrast experiment research of sonic logging piezoelectric transducer

    聲波測井換能器的溫度性能對比實驗研究
  12. Piezoelectric transducer sensor

    壓電式傳感器
  13. The method uses piezoelectric transducer ( pzt ) as vibration - compensating device. the design of electro - circuit and the control flow with dsp are described in details. the mechanism of pzt driven mirror and the pzt driver are greatly improved on their performance of frequency response and linearity

    文中詳細討論了用於單點式抗振方案的電路設計及dsp的程序編制，並對系統頻響的瓶頸? ? pzt移相器的機械結構和驅動電源作了改進，使其頻響及線性度大大提高，從而整體上提高了抗振的效果。
  14. Piezoelectric force transducer

    壓電式力傳感器
  15. The full coverage include as following : 1. the physical property of piezoelectric ceramic ; performance reference and empirical principle about transducer and array

    介紹壓電陶瓷的物理特性，介紹有關換能器和基陣的性能參數和試驗原理。
  16. The research results will lay the foundations for the design and manufacture of the multi - dimensional acousto - electropic - optic device. the thickness of plating layers and the length, width, thickness of piezoelectric transducer are determined, according to transporting line theory of mason ' s equivalent circuit

    本文還利用傳輸線的瑪森等效電路理論確定各晶體在其工作模式下各鍍層的厚度及換能器的長度、寬度、厚度；研究結果為多維聲電光器件的設計與製作打下了良好基礎。
  17. Piezoelectric pressure transducer

    壓電式壓力傳感器
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