crystal fundamental 中文意思是什麼

crystal fundamental 解釋
晶體基本頻率
  • 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；...
  • fundamental : adj 1 基礎的，基本的，根本的，重要的；原始的，主要的。2 【物理學】基頻的，基諧波的；【音樂】基音...
  1. 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
  2. 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
  3. The epitaxial growths of ingaas / gaas / algaas fundamental material and the fabrication of 45 - deflector are extensively studied in our work. some measuring methods are used to evaluate the growth quality of our grown structure by pl, cv, x - ray double crystal diffraction, sem etc. property analysis are provided for it

    利用高能電子衍射、電化學c - v 、掃描電鏡（ sem ） 、 x射線雙晶衍射儀、光熒光譜儀（ pl ） 、原子力顯微鏡等多種方法對制備的器件進行了檢測，同時對實驗結果進行了必要的分析。
  4. The stability output second harmonic generation ( shg ) experiment results of single - longitudinal mode and multi - longitudinal mode with long cavity were explained reasonably with these rate equations. the high polarization of fundamental wave in the isotropic laser media nd : yag with type - i critical phase - matching lbo was studied with the rate equations including polarization of fundamental light. using the polarization function of lbo, a quartz full - wave plate was introduced into the cavity, a kind of birefringent filter by considering the combination of the polarization function of the type - i critical phase - matching doubling frequency crystal lbo and the quartz whole - wave plate was constructed

    將腔內多縱模倍頻速率方程推廣應用到準三能級藍光激光器中，分析了一個縱模、兩個縱模、多個縱模時的噪聲情況，合理地解釋了實驗中激光器單縱模運轉以及長腔多縱模運轉時穩定輸出的實驗現象，同時利用該速率方程分析了以各向同性激光晶體nd : yag為工作物質，類臨界相位匹配lbo為倍頻晶體的藍光激光器中基頻光偏振特性，合理利用類臨界相位匹配lbo倍頻晶體的偏振特性與引入的石英晶體全波片構成雙折射濾光片，通過選單頻來抑制噪聲，獲得了藍光低噪聲的穩定輸出。
  5. In the paper we mainly researched space gainp2 / gaas / ge high efficiency tandem cells " making process by home - made low pressure mocvd technology and new solar concentrators. firstly, we presented reseached and development of solar cells in china and foreign countries ; secondly, on the basis of fundamental priciples and theories, we discussed some factors of influcing conversion efficiency of solar cells, and analysed the i - v output feature of two - junction tandem cells ; then the design concept of gainp2 / gaas / ge two - junction tandem cells was discussed, the detailed aspects of gainp2 / gaas / ge tandem cells epitaxy growth by low pressure mocvd was studied, and some questions on epitaxy growth ( such as crystal qualities, interface stress, element interdiffusion, n - and p - type doping et all ) were solved ; after that, the cell fabrication process was described ; finally, we reseached the hot pressing and mould process technology of an arched line - focus fresnel lens made by pmma, designed and fixed new solar concentrators

    本文致力於用自製的低壓mocvd裝置進行cainp _ 2 / gaas / ge空間用高效級聯太陽能電池製作的工藝以及聚光太陽能電池組件的研究。首先，介紹了國內外太陽能電池的研究現狀及應用情況；其次，運用太陽能電池基本原理討論影響電池轉換效率的因素，分析了級聯電池的伏安特性；隨后，討論了cainp _ 2 / gaas / ge雙結級聯電池的結構設計理念，研究了採用低壓mocvd技術生長cainp _ 2 / gaas / ge級聯太陽電池材料的工藝過程，解決了異質材料生長的結晶質量、界面應力、材料互擴散以及材料n 、 p型摻雜等一系列問題；然後總結了級聯電池的后工藝製作；最後，研究了以pmma為材料的菲涅耳線聚焦透鏡的熱壓成型工藝及其模具的加工工藝，設計並安裝完成新型聚光太陽能電池組件。
  6. 4. according to the cefgshg, the fundamental light radius was optimized when the length of bbo crystal was constant. 5

    根據所推導的高斯光束倍頻轉換效率公式，對bbo倍頻晶體在長度確定的情況下，對基頻光斑進行了優化。
  7. Second harmonic is generated by 532nm fundamental wave on clbo, and the harmonic pulse is plotted along with the clbo crystal length

    以波長為532nm基波為例，數值模擬了經過不同長度的clbo晶體后諧波的脈沖波形，及脈沖寬度隨晶體長度的變化。
  8. The thesis begins with the structured features and mainly discusses the fundamental optical characteristics of finite - period 1d photonic crystal

    本論文從一維光子晶體的結構特點出發，著重研究了有限周期一維光子晶體的基本光學特性。
  9. In the first chapter, the fundamental concepts on the theory of liquid crystal are simply narrated, the definition about the flexoelectric effect and the expression on the polarization energy induced by the flexoelectric effect are expounded in detail, the research progress to the flexoelectric effect is illustrates in summary, then the work principle of liquid crystal display is expanded

    本文第一章簡單敘述了液晶理論中的基本概念，詳細闡明了什麼是撓曲電效應以及由撓曲電效應引起的極化能量表達式的形式，對撓曲電效應的研究進展作了扼要說明，緊接著就液晶顯示器的工作原理進行了闡述。
  10. Compared with the traditional lamp - pumped solid - state lasers, the diode - pumped solid - state lasers ( dpssls ) have many advantages such as high efficiency, long lifetime, all - solid - state, small size and little heat effect, etc. of many kinds of dpssls, laser diode ( ld ) end - pumped nd : yag laser plays an important role and has been found wide applicatins in industry, mainly because of its good mechanical and optical properties of nd : yag crystal and good mode matching to output a fundamental transverse mode

    與傳統的燈泵浦相比，激光二極體泵浦固體激光器（ dpssls ）具有高效、長壽命、全固化、熱效應和體積小等優點。在眾多的dpssls中，激光二極體（ ld ）端面泵浦nd ： yag激光器在工業中起著重要的作用並得到了廣泛的運用，這主要歸因於nd ： yag晶體具有良好的機械和光學特性，而且端面泵浦具有良好的模式匹配，能獲得基橫模激光輸出。
  11. In this thesis, some fundamental topics on p - sic crystal growth such as the design of the crucible assembling system, the thermal field distribution and the liquid phase epitaxial growth of p - sic films deposited on si have been discussed. in brief, following major creative results have been obtained : 1

    本文探索碳化硅晶體生長技術的若干基本問題，特別對熱系統的設計和熱場分佈問題，以及用- sic薄膜在碳飽和硅熔體中進行液相外延生長的基本工藝問題等進行了研究，獲得以下主要創新結果： 1
  12. Optics material such as optical glass, optical crystal and glass ceramic can be machined with mrf. the mrf machine tool is the fundamental equipment to fulfill advanced techniques of manufactory. as a part of the key project, “ research on nano - scaled ultra - smooth surface magnetorheological finishing technique ”, the mrf machine cnc system was developed and some key techniques such as surface control, contour control, servo control and interpolate algorithm are deeply studied in this dissertation

    磁流變拋光機床是實現磁流變拋光技術的重要基礎設備，本論文結合「納米級超光滑表面磁流變加工新技術研究」的課題，開發了磁流變拋光機床數控系統，並對其諸如面形控制、輪廓控制、伺服控制及插補演算法等關鍵技術進行了比較深入的研究。
  13. The morphology, chemical compositions, crystal structures and some properties of these obtained nanowires were systemically characterized. < wp = 6 > because of their novel properties and unique structures, one - dimensional nanostructrue semiconductor materials have generated a tremendous amount of interests in fundamental and potential promising applications in electronic and photoelectronic devices. we fabricated cdse, te and cdte nanowires by direct current ( dc ) electrodeposition in porous anodic aluminum oxide ( aao ) templates

    本論文採用電化學模板合成法制備出了幾種新型的納米線，並對它們的形貌、組成、晶體結構及其他一些性質進行了表徵；發展了一種用紫外可見光分光光度法分析電沉積在導電玻璃上的ni - fe合金鍍層的方法；用模板脈沖電沉積法制備了fe20ni80 / ag多層納米線，並對它的形貌進行了初步表徵。
  14. Our fundamental works are presented as follows : part i : a new surface potential form is proposed to describe the action of rubbed substrate to liquid crystal molecules

    主要完成的工作由下面兩部分組成： 1提出一種新的表面作用勢，用於描寫摩擦基板對液晶分子的作用。
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