crystal frequency 中文意思是什麼

crystal frequency 解釋
晶體頻率
  • crystal : n 1 結晶，（結）晶體；晶粒；水晶（＝rock crystal）；石英。2 【無線電】晶體。3 結晶玻璃；雕玻璃；...
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  1. The waves should be sheared waves for the anisotropic aeo device and longitudinal waves for the isotropic aeo device. geometrical relationships of anisotropic acousto - optic effect in ln crystal and kdp crystals are studied by tangent - match condition. curves of incident angle vs. abaxial angle, diffractive angle vs. abaxial angle, extreme frequency vs. abaxial angle and acousto - optic merit vs. incident angle vs. abaxial angle are systematically gained and the design parameters are also calculated

    利用相切-匹配條件法研究了鈮酸鋰晶體及kdp晶體的反常聲光互作用幾何關系，系統地得到了以離軸角為自變量的各參數的計算公式及相應的關系曲線，通過數值分析方法給出了聲光優值隨中心頻率的變化曲線並給出了器件的設計參數。
  2. At. detail specification for cold welded seal quartz crystal units for oscillator applications - dk enclosure, 6. 0 to 25 mhz frequency range - fundamental thickness - shear mode, at - cut, for operation over wide temperature ranges non - temperature controlled - full assessment level

    振蕩器用冷焊密封石英晶體振子詳細規范. dp外殼6 . 0至25mhz頻率范圍.寬溫范圍
  3. At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, dq and dp enclosures, 17 to 75 mhz frequency range - third overtone thickness - shear mode, at - cut, for operation over narrow temperature ranges temperature controlled - full assessment level

    振蕩器用冷焊密封石英晶體振子詳細規范. dn dq和dp外殼17至75mhz頻率范圍.窄溫范圍
  4. At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, dq and dp enclosures, 50 to 125 mhz frequency range - fifth overtone thickness - shear mode, at - cut, for operation over wide temperature ranges non - temperature controlled - full assessment level

    振蕩器用冷焊密封石英晶體振子詳細規范. dn dq和dp外殼50至125mhz頻率規范.寬溫范圍
  5. At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, dq and dp enclosures, 50 to 125 mhz frequency range - fifth overtone thickness - shear mode, at - cut, for operation over narrow temperature ranges temperature controlled - full assessment level

    經質量評定的振蕩器用冷焊封石英晶體振子詳細規范. dn dq和dp外殼， 50至125mhz頻率規范.窄溫范圍
  6. At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, 47 u 2, dq and dp enclosures, 17 to 75 mhz frequency range - third overtone thickness - shear mode, at - cut, for operation over wide temperature ranges non - temperature controlled - full assessment level

    振蕩器用冷焊密封石英晶體振子詳細規范. dn 47u 2 dq和dp外殼17至75mhz頻率范圍.寬溫范圍
  7. At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, dq and dp enclosures, 0. 8 to 20 mhz and 3. 0 to 30 mhz frequency ranges - fundamental thickness - shear mode, at - cut, for operation over narrow temperature ranges temperature controlled - full assessment level

    振蕩器用冷焊密封石英晶體振子詳細規范. dn dq和dp外殼0 . 8至20mhz和3 . 0到30mhz頻率范圍.窄溫范圍
  8. The pll consists of a crystal oscillator, a ring voltage - control - oscillator, a frequency divider, a phase / frequency detector, a charge pump and a loop filter

    設計的電路包括20mhz晶體振蕩器，鑒頻鑒相器，壓控振蕩器，固定分頻器，電荷泵和低通濾波器。
  9. As a rule, the immunosensors is to coat the surface of crystal with antibodies or antigens, immerge to muster solution, binding to the immobilized antigens or antibodies and take place immuno - reaction, can cause a frequency change of the quartz crystal, and the frequency changes are proportional to content of antigens or antibodies in muster solution

    通常將抗體（或抗原）固定於晶體表面，浸入樣液時，與抗原（或抗體）產生免疫反應，使晶體表面質量負載增加，頻率降低，其頻移值與樣液中抗原（或抗體）含量成正比。
  10. The characteristics of different nonlinear crystals for frequency - doubled nd : yag 946 nm laser have been compared, a biaxial crystal, lbo, has been chosen for frequency doubling in our experiment

    給出了幾種晶體用於946nm倍頻時它們倍頻特性比較，為優化選擇倍頻晶體提供了依據。
  11. In this paper, porous nanocrystalline titanium dioxide films were used to modify the surface of quartz crystal microbalance ( qcm ), the response of qcm with high roughness layer hi liquid phase was discussed, and the difference between the theoretic value and frequency response measured was illustrated in detail

    本文採用tio _ 2納米粒多孔膜修飾壓電晶體傳感器，對高粗糙度壓電傳感器的響應進行了探討，闡明了在液相中壓電響應的實際值與理論值產生偏差的主要原因。
  12. Precise thickness - shear resonance frequency of electroded piezoelectric crystal plates and its applications in resonator design

    帶電極壓電晶體板厚剪共振頻率的精確確定及其在諧振器設計中的應用
  13. For the negative uniaxial crystal material, the principal mode is a hybrid guided mode, which can also be excited by the light at any frequency, but when the single mode propagation condition can not be satisfied, some of the higher order hybrid guided modes will exist in the waveguide

    對于負單軸晶體，波導的主模是混合模hgm _ 0模，該模式同樣可被任何頻率的光波所激勵；當光波波長滿足一定條件時，波導內傳輸單模，否則，將激勵起高階混合模。
  14. The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes

    本文就是在此背景下，利用金屬波導和單軸晶體的一些特性，結合麥克斯韋方程組和波導的邊界條件，從三種不同的情況研究了光在對稱平面單軸晶體金屬波導（波導層是單軸晶體，兩個波導界面均為金屬）內的傳輸特性，其主要貢獻為，首次解析地得到了這種波導結構下模式場的精確解，並發現了一些有用的特性： （ 1 ）模式場的性質因單軸晶體的性質不同而異； （ 2 ）當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時，波導中傳輸te波和tm波，只不過其主模因單軸晶體的性質不同而異，當波導層介質為負單軸晶體時，波導主模是te波主模，而波導層介質為正單軸晶體時波導主模是tm波主模。 （ 3 ）當單軸晶體光軸位於波導面內時，對于正單軸晶體，波導的主模是橫電波te _ 0模，任何頻率的光波均可激勵該模式；當光波波長滿足一定條件時，波導內傳輸單模，否則，將激勵起高階模式，高階模即匪te波，也匪tm波，而是兩者耦合而成的混合模。
  15. The laboratory offers calibration service for watchesstop watches with internal crystal and step motor. the calibration of watchesstop watches includes the measurement of its relative frequency accuracy

    計時表本所為石英及機械表提供校正服務，包括測量計時表內部頻率的準確度。
  16. The dissertation discussed the theories of second - harmonic generation for negative uniaxial optical crystal and summarized properties of nonlinear optical crystals, which are subjected to ultraviolet second - harmonic generation, and represented the theorizational law of double frequency crystal select ( tldfcs ). at present, bbo crystal is the most subjected to commercial crystal of ultraviolet second - harmonic generation according to compared kdp, bbo, clbo, kabo and kbbf crystals based on tldfcs

    論述了負單軸晶體的倍頻理論，總結了適用於紫外倍頻的非線性光學晶體的特性，提出了倍頻晶體選擇的理論依據，並根據該依據通過比較，最後選定bbo晶體為目前最適宜用於產業化的紫外倍頻晶體。
  17. Quartz crystal frequency standards

    石英晶體頻率標準
  18. Crystal frequency indicator

    晶體頻率指示器
  19. Crystal frequency multiplier

    晶體倍頻器
  20. In a circuit, crystal frequency can generally be slightly lowered by placing a inductor in series and increased by a capacitor in series

    在電路中，晶振頻率隨串聯的電感輕微降低，隨串聯的電容增大。
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