saw device 中文意思是什麼

saw device 解釋
表面聲波掐
  • 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...
  • device : n. 1. 設計，計劃；方法，手段。2. 〈pl. 〉意志，慾望。3. 謀略，策略，詭計。4. 器具，器械，設備，裝置。5. 圖案，圖樣；花樣；紋章；標記，商標；（紋章上的）題銘。
  1. Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit

    延遲線振蕩器由寬帶放大器、可調衰減器和聲表面波質量傳感器件構成。延遲線振蕩器輸出信號經濾波后與109mhz的本機晶體振蕩器輸出信號相混頻，通過低通濾波取其差頻，並經整形後由數字信號處理電路處理。
  2. This paper studies transverse - torsion vibration of blade and formulates the equation of motion of band saw blades. the solution of this thesis can be the manufacture reference and the original theory base of research of tightening device dynamics analysis of band saw in the future

    本文對帶鋸條橫向扭轉振動進行了研究，驗證了帶鋸條橫向振動方程和扭轉振動方程，為進一步研究帶鋸機的動態特性奠定了初步的理論基礎。
  3. Burglary - resisting door lock, mechanical lock, hold hand person who lock more than 20 varieties automatically that our company produce, product structure unique, have automatic, lock device since, is it get into, is it saw, is it prize, is it bludgon into, defend the function that technology turn on to defend to have

    本公司生產的防盜門自動鎖、機械鎖、執手鎖等20多個品種，產品結構獨特，具有自動、自鎖裝置，有防鉆、防鋸、防撬、防沖擊、防技術開啟之功能。
  4. Aln is an important compound semiconductor material with wide band - gap, which has wurtzite structure too. because of their many excellent physical properties, aln thin films were applied in blue - uv emitting materials, epitaxy buffer layer, soi material and saw device with ghz band

    Aln具有許多優異的物理性能，在藍光、紫外發光材料及熱釋電材料、外延過渡層、 soi材料的絕緣埋層和ghz級聲表面波器件等方面有著重要的應用。
  5. The love wave device with the substrate of st - cut quartz and the guiding layer of si02 was used as the saw biosensor. dna sensor employing synthetic seb dna probe as a molecular recognizing component was utilized to detect seb by measuring seb dna in samples

    該傳感器採用以st一切割的石英晶片為基體，以510 :為波傳導層的樂甫波（ lovewaves ）裝置，利用具有分子識別功能的dna合成探針來實現對樣品中sebdna的檢測。
  6. Automatic saw blade - chucking device is adopted in down clip, so it can chuck saw blade quickly and effectively

    下卡頭採用自動鋸條夾持裝置，可迅速、有效夾持鋸條。
  7. Zno is a ii - vi semiconductor material with wide band - gap, which has hexagonal wurtzite structure. zno thin films were widely applied in solar cell, uv detector, saw device, gas sensor and transparent electrodes et al for their excellent properties

    氧化鋅（ zno ）是一種具有六方纖鋅礦晶體結構的寬禁帶ii - vi族半導體材料，由於其優良的特性，在太陽能電池、紫外探測器、聲表面波器件、氣敏傳感器、透明電極等方面得到了廣泛的應用。
  8. Results show that triple reflection signal and quintuple reflection signal of ytype and s type are less 12db, 16. 67 db and 11. 8 db, 17. 3 db than that of " - ' " type saw mass sensor device. experiment results show that insertion loss ( about 14db ) of the devices in center frequency is close to the theoretical value ( about 16db ) developed by p matrix representation. sensing characteristics of y type and s type saw mass sensors have been also tested and analysed in detail. ethanol and pure water mixed solution containning trace nacl is titrated into mass loading area of y type and s type saw mass sensors devices to detect their mass loading sensitivities

    本文對y型和s型雙聲路saw質量傳感器件的傳感特性進行詳細測試分析，在y廠書型和s型雙聲路聲表面波器件的質量沉積區中滴定含有微量naci溶質的乙醉和水的混合溶液，以測試器件的質量沉積效應靈敏度，它們分別約為2967ppm . cm丫夢g （ y型）和3一15ppm . emz /協g （ s型） ，與理論值38 . 93ppm . emz / 「 g相近，拼處于國內外同型和s型雙聲路聲表面波器件的頻率一溫度特性幾，其單聲雙聲路相對溫度系數約為10一12hz / ，處于國內外同類研究先進水平。
  9. Zno is a - semiconductor material with wide band - gap, which has hexagonal wurtzite structure. zno thin films were widely applied in solar cell, uv detector, lighting displayer, saw device, gas sensor et al for their excellent physical properties

    氧化鋅（ zno ）是一種具有六方纖鋅礦晶體結構的寬禁帶-族半導體材料，由於其優良的物理特性， zno薄膜在太陽能電池、紫外探測器、發光顯示器件、聲表面波器件、氣敏傳感器等方面得到了廣泛的應用。
  10. A square sensing area was formed upon each of the saw propagation paths using photoresist. when some kind of material deposits on this area, the saw propagation velocity will decrease due to the mass - loading effect, causing a shift in the device ' s oscillation frequency, which gives indication of the mass deposited. the dual - path architecture, one for sensing and one for reference, was used to compensate for the disturbance of temperature

    利用光刻工藝在每個聲傳播路徑上構造了一個方形質量沉積區，當有物質沉積到該區時，由於質量沉積效應，聲表面波的波速發生變化，使以延遲線作為反饋迴路的振蕩器的振蕩頻率發生變化，並通過這一變化反映出沉積物的質量。
  11. Piezoelectric material for saw devices is the decision factor affecting saw device characteristic

    壓電材料是saw器件基本材料，該基片材料是影響saw器件性能的一個決定性因素。
  12. For saw device and its correlative circuit system, the interference mechanism and interference immunity character are investigated in a good emc light

    本項目將針對saw器件及相關電路和系統，從電磁兼容角度研究此類器件的干擾機理和抗干擾特性。
  13. If this research work can be applied in future, it is a practical value to improve the stabilization and credibility of saw device in complex electromagnetic circumstance

    若此研究成果如能得到應用，對提高其在復雜電磁環境中使用的穩定性和可靠性有很大的實用價值。
  14. 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。
  15. Before now because operating frequency was low, suppose that electrode in saw device has no thickness and thus second order effects are ignored. these second order effects, including electromagnetic feedthrough, triple transit interference, body acoustic wave, reflection and so on, affect the performance of saw device in high frequency. so it is important that second order effects are researched and improved in depth

    這樣的需求要求了saw設計者考慮在低頻時未加考慮的二階效應，大多數以前的分析假設電極無厚度而忽略了的二階效應（電磁直通、三次行程干擾、體聲波、聲電再生等）在高頻時對saw器件的性能影響較大，要求對其二階效應進行深入研究並對其進行改善。
  16. Saw transmission speed is one of the most important indexes in all characteristic parameters about piezoelectric wafer, directly deciding resonator frequency of the device. therefore, knowing about saw transmission speed and it ' s consistency in batches of saw producing looks like very vital

    在壓電基片的各項性能中， saw的傳播速度是最重要的指標之一，它直接決定了器件的諧振頻率，所以在saw器件的批量生產中了解基片聲表面傳播速度及其一致性顯得非常重要。
  17. Now the development in radio communication system and sensors productively need saw devices of high performance and high frequency. but electromagnetic interference of saw device is evident day and day. so the saw device technologies of the electromagnetic interference and electromagnetic compatibility in its process of design, fabrication and production must be considered. the demand request saw designer of second order effects which are not considered in low frequency

    當前在無線通信系統和傳感器方面的進展預示了需要高性能、高頻的saw器件，但是隨著其工作頻率的提高， saw器件電磁干擾問題日益突出，因此saw其電磁兼容技術在設計、研製和生產過程中是必須考慮的。
  18. A device, such as a saw, used to perform or facilitate manual or mechanical work

    器具，工具用來進行或促進手工或機械工作的器具，例如鋸子
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