聚焦性能 的英文怎麼說
中文拼音 [jùjiāoxìngnéng]
聚焦性能
英文
focal property-
In particular, we will focus on the ability of cell fusion that is caused by viruses to induce chromosomal instability, a common affliction of cancer cells that has been thought to underlie the malignant properties of cancerous tumours
特別是，我們將聚焦于細胞的融合能力，該能力由病毒引起來誘導染色體不穩定性，而不穩定性則是癌癥細胞中常見的異常，其被認為癌癥惡性特徵的基礎。The novel vertical carrier - free linear cluster system phoebus for the economical deposition of amorphous and microcrystalline silicon light absorbers by pecvd ideally combines the strengths of proven vacuum production platforms to precisely focus on the needs of solar cell producers : process stability, productivity, yield, footprint, costs of ownership
新的立式無載體線團系統」菲波斯」 （ phoebus ） ，以pecvd方法經濟地鍍膜無定形的和微晶硅吸光體，理想地結合各種證明可靠的真空生產平臺的優點來精確的聚焦于滿足太陽能電池生產者的需求:工藝的穩定性，生產效率，合格產量率，佔地面積和擁有運營的總成本Three speediness arithmetic expressions for calculating the focused quantity is introduced to optimize the real - time performance of the system
導出了計算聚焦量的三個快速演算法公式，優化了系統的實時性能。It is well known that nonlinear self - focusing effect is one of the important factors to limit icf laser energy and worsen beam quality
實踐表明，非線性自聚焦效應是限制icf驅動器激光輸出能量及破壞光束質量的主要因素之一。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。According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。One can equate this with the nature of the persona and old astrology ; red and magenta folk tend to be ambitious, creative, dynamic and energetic in nature much like the fire signs of aries and sagittarius ; orange folk tend to be grounded and centered such as the earth sign of capricorn and taurus ; blue and green folk are emotional or healing in nature, much like pisces and cancer water signs ; violet folk tend to be spiritual in nature along with inward focused much like scorpio and aquarius sun signs
你能把此等同於人的天性和舊占星術；紅色和洋紅族傾向于有雄心的、創造性的、動態的和積極的天性，就象白羊宮和人馬宮的火；橙色族傾向于被根植的和被置於中心的，例如摩羯宮和金牛宮的土；藍色和綠色族的天性是情感和療愈的，很像雙魚和巨蟹宮的水；紫色族傾向于靈性及向內聚焦的天性，很像天蝎和寶瓶宮的太陽。In the focal plane of z = 0, the smaller the dss of the fhb, the higher the optical potential, and the greater the corresponding optimal detuning 8, which are beneficial to atomic lens because it cannot only be profitable to obtain an atomic lens with a higher resolution, but also helpful to reduce the spontaneous emission and photon scattering effects of atoms in the fhb
在焦平面上，聚焦中空光束的dss越小，光學勢越大，相應的最佳失諧量越大，這對原子透鏡的性能越有利。因為這不僅容易得到高解析度的原子透鏡，而且還可以減少在聚焦中空光束中原子的自發輻射和光子散射效應。In fact, laser beam quality is a main parameter that has key action on laser materials processing from the beginning to the end. in this dissertation, the parameter used to evaluate laser beam quality is proposed. the influence of beam quality on beam propagation and focus are studied in theory and measurements separately
本文以光束質量為主線，研究了光束質量對激光製造技術貫穿始終的重要作用，提出了以描述激光束聚焦特性為核心的光束質量評價參數;理論分析，並實驗驗證了光束質量對光束傳輸和聚焦性能的影響;最後，以激光焊接為實例，研究了光束質量對激光加工過程的影響。In strategy implementation, the thesis proposes the practical function strategysuggestions to support the focus strategy, for instance : combine group institutional framework and cultivate the corporate culture of guangmang, strengthen cooperation with rival, promote the vertical and integrated strategic alliance, implement value chain control cost and seek the important market
在戰略實施方面，論文提出了具有可操作性的職能戰略建議，如：整合集團組織結構，培育光芒企業文化；加強與競爭對手的合作；促進縱向一體化的戰略聯盟；實施價值鏈控製成本，尋求重點市場突破來支持基於低成本的聚焦戰略實施。Powerful on - board processing capability provides innovative features such as ir auto - focus, automatic image optimization and network communication. built for rapid deployment
功能強大的隨機處理能力創新性功能，如自動聚焦自動圖像優化和聯網通訊。A focal plane imaging is limited in catching object when spot - focusing horn lens antenna is applied in ballistic wake microwave interferometer. so we consider to designing multiple beam focusing horn lens antenna in order to augment the range of catching and enhance the probability of hitting the target
本文的主要工作是針對彈道靶尾跡微波干涉儀里的點聚焦單波束捕捉目標的有效性能不足，而考慮設計一個具有點聚焦特點的多波束聚焦透鏡天線，以增大捕捉范圍和提高中靶率。Imaging formula and object - image scale formula of laser beam transferred by focus lens are deduced according to the abcd law of matrix optics, and the factors that effect on beam focus properties are analyzed based on these two formulas
根據矩陣光學變換的abcd定律，推導出激光束經過單聚焦鏡變換后的成像公式和物像比例公式，並在此基礎上討論光束質量和聚焦系統特性對光束聚焦性能的影響。In order to deal with effect of the high damping, focusing probe with focused sound field is used in testing. the image device of ultrasonic c - scanning, which has functions of ultrasonic testing, pc - based control, data collection, data storage, data processing and image displaying together, is applied in testing for the sake of visual testing result
為了克服高阻尼影響，採用了具有聲束聚焦性能的聚焦換能器對不同形狀的該種復合材料工件進行檢測；為了得到直觀的檢測結果，運用了將超聲檢測與微機控制和微機進行數據採集、存貯、處理、圖像顯示集合在一起的超聲c掃描成像技術，並得到了工件內部缺陷的橫截面圖。So far the researches on ultrashortpulse laser - matter interaction concentrated on infrared regime, yet ultraviolet laser has the advantage in intense field physics and icf researches for its short wavelength and less nonlinear effects
迄今為止，超短脈沖激光及其與物質相互作用的研究大都集中於紅外光譜范圍，而紫外準分子短脈沖激光系統由於其波長短、非線性效應小而具有良好的聚焦性能。This kind of laser can output two beams of green and violet. after focused, the laser beam is totally meted with the requirements of pld
國產的四倍頻yag激光器價格低、性能穩定、能輸出綠光和紫光，光束聚焦后能達到鍍膜要求。The design results and the performance evaluation of f - theta200 and f - theta500 are given in detail. the designed lenses are simple and compact and their cost are low. the focusing performances are within diffraction limit, the relative illuminations quite uniform and the distortion relative to the f - theta linear relation small
詳細給出了f - theta200和f - theta500的像質評價和研製結果，所研製的f - theta鏡頭具有工作面積大、結構簡單緊湊、加工成本較低、聚焦性能達到衍射極限、工作面上相對照度分佈均勻、能量集中度高和畸變小等優點。Chapter 3 : in this chapter, the propagation characteristic and focusing properties of elegant hermite - cosh - gaussian ( ehchg ) beam through a finite aperture are investigated. the variance of the beam width, the generalized analytical expression of mg2 - factor and the power fraction of the truncated beam are derived theoretically and illustrated numerically
第三章：討論了eleganthermite - cosh - gaussian （ ehchc ）光束通過有限孔徑的傳播特性和聚焦性質，得到了其光束束寬， m ~ 2因子及能量分數的解析表達式，並分析了影響光束參數的因素及其變化規律。Combined with focusing probe, the testing precision is improved, and both size and shape defects may be measured directly
結合聚焦換能器的聲場特性，一方面可以提高檢測的精度，另一方面又可以獲取缺陷的尺寸和形狀。At the time of image processing, both size and shape of defects may be analyzed and measured according to the sound pressure distribution of focusing probe. and essence of the defects can be judged
在處理圖像時，通過對聚焦換能器聲場中聲壓分佈的特性分析獲得了缺陷的尺寸和形狀，由此判定缺陷的性質，實現了對缺陷的定性和定量研究。分享友人