saw surface acoustic wave 中文意思是什麼

saw surface acoustic wave 解釋
聲表面波
  • saw : saw1see 的過去式。n 格言，諺語〈通常冠用 old 或 wise〉。n 1 鋸，鋸機。 2 【動物；動物學】鋸齒狀器...
  • surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
  • 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。
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  1. Saw. surface acoustic wave filters of assessed quality - guidance on use

    經質量評定的聲表面波
  2. Saw. surface acoustic wave filters of assessed quality - standard outlines

    經質量評定的聲表面波
  3. Saw. surface acoustic wave filters of assessed quality - generic specification

    經質量評定的聲表面波
  4. Saw. 3 : surface acoustic wave filters of assessed quality - part 3 : standard outlines

    經質量評定的聲表面波
  5. Saw 1 : surface acoustic wave filters of assessed quality - part 1 : generic specification

    經質量評定的聲表面波
  6. Saw. 1 : surface acoustic wave filters of assessed quality - part 1 : generic specification

    經質量評定的聲表面波
  7. 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。
  8. As a novel sensor, the surface acoustic wave ( saw ) sensor can be used to measure different sorts of physical, chemical and biologic quantities

    作為一種新型傳感器，聲表面波（ surfaceacousticwave ，簡稱saw ）傳感器可以被用於測量多種物理、化學、生物參數。
  9. Traditionally, zno is used as surface acoustic wave devices ( saw ), bulk acoustic devices ( baw ), gas sensors, varistors, transparent electrodes, uv - detectors, and etc. in recent years, zno has gained more and more attention as a wide band semiconductor

    傳統上， zno薄膜被廣泛應用於聲表面波器件、體聲波器件、氣敏傳感器、壓敏電阻、透明電極、紫外探測器等領域。近年來， zno作為寬禁帶半導體光電材料的研究越來越受到人們的重視。
  10. Has been recognized as an ideal substrate material for the rf surface acoustic wave ( saw ) filter, a key component within wireless communication devices as mobile phones. its stability and size make it the preferred option among other piezoelectric materials

    為適用於高頻表面聲波濾波器（ rfsawfilter ）小型化的理想基材，由於具備適中的機電耦合系數且溫度系數低，已被廣泛應用在移動式高頻無線通訊器材，尤其是手機里的關鍵材料。
  11. Chapter five highlighted on some applications of surface acoustic wave ( saw ) filters that have been used in mobile and wireless communications, we have explained two applications, binary phase - shift keying ( bpsk ), and differential phase - shift keying ( dpsk ), we also proposed an application to implement the cck codewords and the cck demodulation using saw matched filter

    第五章研究了聲表面波濾波器在移動通信、無線通信中的應用，主要介紹了三種應用：二進制相移鍵控（ bpsk ） 、差分相移鍵控（ dpsk ） ，以及用saw匹配濾波器實現cck調制和解調。
  12. This paper emphasizes on surface acoustic wave ( saw ) devices used in spread spectrum communication system

    本文重點介紹了聲表面波器件在擴頻通訊系統中的應用。
  13. At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db

    本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素（ ql值）超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器，頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器，精心設計電路，優化設計布置印製電路板，用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件，製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。
  14. Saw ( surface acoustic wave ) was first demonstrated by lord rayleigh, a physicist in uk, in 1885. hereafter, saw attractted much attention of researchers, and then was applied to the fields of communication, radar, broadcast and tv

    自從saw （ surfaceacousticwave ，聲表面波）在1885年被英國物理學家瑞利發現以後，就引起了研究人員的高度重視，此後被廣泛應用於通信、雷達、廣播和電視等領域。
  15. Saw filter surface acoustic wave

    表面聲濾波器共振器
  16. Chapter 2 introduces the surface acoustic wave propagation property in piezoelectric substrate and the wireless sensing principal of passive saw resonator ; explains the construction, operation principal and flow process chart of the wireless interrogating system

    第二章介紹了壓電體中saw的傳播特性和saw諧振器型傳感器的工作原理，並對無線查詢系統（中國專利， zl0222116022 ）的組成、工作原理、工作流程做了必要的描述。
  17. Surface acoustic wave ( saw ) device is an advanced analog signal processing device by means of acoustic wave character. since saw technologies is applied thirty years ago, saw devices accelerate growth because of their broad use and in the meantime their performance are raised constantly. because its high performance, light weight and good consistency, it is widely used in modern microwave communication and radar system and so on

    聲表面波（ saw ）器件是一種新型的利用聲波特性的模擬信號處理器件。聲表面波技術自誕生至今三十多年來，因其用途廣泛而得到迅速的發展，同時其性能也在不斷地提高。由於saw器件性能優良、重量輕、體積小、一致性好，廣泛地應用於現代微波通信、雷達等系統中。
  18. Saw surface acoustic wave

    聲表面波
  19. Finally, we set some applications for surface acoustic wave ( saw ) devices in the field of mobile systems and wireless communications

    11b的性能，最後研究了聲表面波（ saw ）器件在移動系統和無線通信中的應用。
  20. For very high frequency clocks, a surface acoustic wave ( saw ) oscillator is preferable

    對于非常高的頻率時鐘，用聲表面波振蕩器更好。
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