tunability 中文意思是什麼

tunability 解釋
調整能力
  1. The broad fluorescence spectrum of the organic dyes suggests a broad tunability range for lasers using them as the active material.

    有機染料具有寬熒光光譜使人們想到,若用它們作為激光介質,則激光器就會有寬的調譜范圍。
  2. In such devices, it is desirable to have a high dielectric tunability in a certain electric field range, where tunability is defined as the variation of dielectric constant with respect to the applied voltage

    自上世紀50年代以來,用電控的方式進行波束掃描的方法得到了迅速發展,從而使相控陣天線及其基本元件移相器的研究獲得了廣泛的重視。
  3. The measurement results from interdigitated capacitors demonstrated that the tunability is 21 % when the bias is 40v and the loss is 0. 25 %

    對于叉指電容器結構,當外加直流偏壓為40v時,調節率為21 % ,介電損耗低至0 . 25 % 。
  4. The structure can be controlled by controlling the pb contents in a certain temperature. the higher dielectric - temperature coefficient can hence be kept near the applied temperature, improving the dielectric tunability of the materials

    控制鉛含量可以控制一定溫度下的結構狀態,可以有目的的控制使用溫度附近有較高的介電溫度系數,達到改善介電調諧性能的目的。
  5. The results are as follows : ( 1 ) bst thin film prepared by pulsed laser deposition is well crystallized. the average grain size is 100nm and the surface roughness is about 10nm. when the electric field intensity is 3v /, the tunability of the thin film is about 30 % and the loss tangent is about 20 % under room temperature

    研究結果如下: ( 1 )採用脈沖激光沉積法制備的bst薄膜結晶良好,晶粒尺寸在100左右;表面粗糙度約為10 ;室溫下,當直流電場為3v /時介電系數變化率約為30 % ,介質損耗約為20 % 。
  6. It is capable to lower the insertion loss by using high conductivity electrode material and increasing the electrode thickness and quality factor of bst capacitor. at the same time increasing the tunability of the dielectric constant and the length of the transmission line can increase the phase shift

    通過使用高電導率的電極材料、增加電極的厚度、提高bst薄膜電容的q值可以實現器件插損的降低;增大薄膜的介電系數變化率和傳輸線長度可以增加移相度。
  7. With strong fluorescence lppp showed a broad pl and el emission with a maximum at 560nm and was regarded as a white light emitter with a strong blue component, thus allowing tunability over the full visible region. the enhanced light - emitting devices were fabricated. microcavity effects were observed both in el and pl

    熒光效率高,並具有從紫外到近紅外十分寬闊的光致和電致發光光譜,最大峰值在560nm左右,是一種具有較強藍光成分的白光發光材料,允許在整個可見光范圍內進行調諧發光,可作為高穩定的發光材料。
  8. First, the tunability of optical parametric oscillater ( opo ) in ppln was analyzed

    本文首先對周期性極化鈮酸鋰的光參量振蕩( opo )調諧特性作了分析。
  9. A tunability of 60 % and figure of merit of 133 have been achieved under 30v dc bias, demonstrating their usefulness for frequency - agile microwave devices at the liquid nitrogen temperature

    在液氮溫區表現出很好的微波器件應用前景。 4 、採用pld方法制備了高凰100 )取向的bao . ssr05五o創51卿si集成薄膜。
  10. The ba0. 5sr0. 5tio3 / pt / ti / sio2 / si multilayered heterostructures were successfully prepared. the dielectric properties measurement results show that the dielectric tunability is superior and the relative dielectric constant er varies at a little degree with the frequency, but er is lower for the low - temperature deposited bst thin films, compared with the bst thin films prepared at higher temperature. 6

    Bao . ssr05毛o3薄膜的介電性育瀕四試結果表明鍘氏生長溫度制備的bst薄膜的介電可調諧性能較好,薄膜的介電常數份隨著頻率的變化較小;較高溫度制備的bst薄膜的介電常數較高,但薄膜的介電可調諧勝能更差,而且薄膜的介電常數場隨頻率的變化較大。
  11. The ferroelectric materials for their excellent dielectric, piezoelectric, ferroelectric, pyroelectric, electro - opticial, phonon - optic and nonlinear polarization properties have been widely applied in many fields especially in microwave tunable devices, such as phase shifter in phased array antenna, resonantor and filter etc. as far as microwave tunable dielectric materials, barium strontium titanate ( bst ) and its doped series have been investigated intensively, which have about 50 % tunability

    鐵電材料具有優良的介電、壓電、鐵電、熱釋電、電光、聲光及非線性極化等特性,在多種領域有著廣泛的用途。利用其非線性極化特性能制備微波可調元器件,如相控陣天線上的移相器,諧振器,濾波器等。
  12. The pst thin films which have high tunability and fom were fabricated successfully. the tunability of pb0. 4sr0. 6tio3 thin film is about 83 % ~ 85 % under the 100 khz, and keep constant with the change of frequency

    Pb04sr06tio3薄膜室溫下的可調諧量在100khz以下頻率范圍可達到約83 %一85 % ,且隨頻率的變化可調性基本維持在這一范圍,變化不大。
  13. This thesis reviewed the development of the microwave tunable ferroelectric thin film materials, summarized the application of sol - gel on the materials, and introduced the principle and application of the microwave tunability in brief

    本文全面綜述了微波可調鐵電薄膜材料的研究發展,總結了溶膠凝膠技術在制備此類材料中的應用,簡要介紹了鐵電材料微波可調的基本原理及其應用。
  14. Their dielectric loss is about 10 - 2, and figure of merit ( fom ) is less than 300. recently, cross etc. found that lead strontium titanate ( pst ) has bigger tunability and lower loss, besides this, pst is a perovskite ferroelectric material which has good solid solution

    就微波可調介電材料而言,目前研究較多、性能較好的主要是鈦酸鍶鋇( bst )及其摻雜系列,其可調性一般在50左右,介電損耗在10 ~ ( - 2 )量級上,綜合反映材料可調性的優值一般在300以下。
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