量子效率特性 的英文怎麼說
中文拼音 [liángzixiàolǜtèxìng]
量子效率特性
英文
quantum efficiency characteristic- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 率 : 率名詞(比值) rate; ratio; proportion
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 量子 : quantum; gion
- 效率 : productiveness; efficiency; productivity; workpiece ratio
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
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The high - power semiconductor quantum well ( qw ) laser is a kind of luminescence device with superior performance, it has longe - lived, low threshold current density, high efficiency, high luminosity and excellent monochromatic, coherence, directionality, etc. the high - power semiconductor laser is widely applied to the fields, such as military, industrial machining, communication, information processing, medical treatment, etc. the material ' s epitaxy is the foundation of the whole laser ' s fabricating, and it has important influence on the optics and electricity performance about the laser
大功率半導體量子阱激光器是一種性能優越的發光器件,具有壽命長、閾值電流密度低、效率高、亮度高以及良好的單色性、相干性、方向性等特點,廣泛應用於軍事、工業加工、通信及信息處理、醫療保健等領域。材料的外延生長是整個激光器器件製作的基礎,對器件的光學和電學性能有著重要的影響,生長不出優質的材料體系,獲得高性能的器件就無從談起,因此,材料的外延生長便成為了整個半導體激光器製作過程之中的重中之重。The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。After the stolon had suffered from severing disturbance, clonal ramets could keep photosynthetic organ from being damaged through the plastic responses of the chlorophyll fluorescence traits, such as increasing nonphotochemical quenching of chlorophyll fluorescence ( npq ), decreasing actual photochemical efficiency of ps ii in the light ( f / fm " ) and photochemical electron transport rate ( etr ). moreover, the clonal ramets could also increase water use efficiency by means of decreasing stomatal conductance
在匍匐莖受到切斷干擾后,臭柏能通過提高非光化學猝滅( npq ) 、降低ps實際光化學量子產量( f fm 』 )和表觀光合電子傳遞速率( etr )等葉綠素熒光特性的可塑性反應來保護小枝光合機構不被破壞,並且可以降低氣孔導度以提高水分利用效率。The termless security of quantum cryptographic key protocol is based on the quantum non - clone principle and heisenberg uncertainty principle. whilst, these two characteristics mentioned above contributes greatly to solve the problems of low transmitting rate, complicated operation and forge - identity assault in the bb84 protocol
量子密鑰協議的無條件安全性能主要建立在量子不可克隆定理和heisenberg的測不準原理兩大理論基礎上的,但也正是由於量子的這兩種特性導致在bb84協議中存在了傳輸效率低下、操作復雜、假冒身份攻擊等方面的問題。By using the multi - configuration dirac - fock ( mcdf ) method, the effects of relaxation and correlation on the transition energies and probabilities of electric - dipole allowed ( el ) resonance and intercombination transitions for 2p53s3 - 2p6 in neutral neon have been systematically studied firstly. and the results of the transition energies and probabilities ( lifetimes ) in length and velocity gauge have been presented. during the calculation, in order to consider the rearrangement effects of the bound - state density and some important correlations, the asfs of transition initial - and final - states were divided according to their angular - momentum and parity and calculated, and different number of csfs were included in the expansion of asfs
本文利用多組態dirac - fork ( mcdf )理論方法,通過對輻射躍遷初、末態電子波函數的獨立計算以及在原子態波函數的展開中考慮不同數量的組態波函數,系統地研究了弛豫和相關效應對中性ne原子2p ~ 53s ~ ( 1 . 3 ) p _ 1 ~ o - 2p ~ 6 ~ 1s _ 0電偶極共振和復合躍遷的能量以及躍遷幾率的影響,給出了長度和速度兩種不同規范下激發態的能量和輻射壽命;以中性ne原子的研究為基礎,進一步研究了類ne等電子系列離子( z = 11 - 18 )較低的激發組態2p ~ 53s和基組態2p ~ 6的能級結構以及各能級間的輻射躍遷特性。It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed
)的增大,量子噪聲分別減小和增大;虛光子過程使光場的反聚束效應增強,使光場的壓縮程度明顯加深,並引起了附加的「熵振蕩」 ,這種附加「熵振蕩」的幅度將隨著光場初始平均光子數( ? )的增加而增大,隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質,研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet
基於能量輸運模型對由凹槽深度改變引起的負結深的變化對深亞微米槽柵pmosfet性能的影響進行了分析,對所得結果從器件內部物理機制上進行了討論,最後與由漏源結深變化導致的負結深的改變對器件特性的影響進行了對比.研究結果表明隨著負結深(凹槽深度)的增大,槽柵器件的閾值電壓升高,亞閾斜率退化,漏極驅動能力減弱,器件短溝道效應的抑制更為有效,抗熱載流子性能的提高較大,且器件的漏極驅動能力的退化要比改變結深小.因此,改變槽深加大負結深更有利於器件性能的提高The sub - model for design of population density was developed according to the principle of determining boll number from target yield, fruit node from boll number, fruit branch from fruit node and population density from fruit branch by integrating the effects of sowing date, cutout date, effective temperature accumulation above 12, variety type, and fertilizer and water management levels. sowing rate was then decided by integrating the effects of different soil water and salt contents, ph, temperature and sowing style on seedling emergence rate with relative weight method
基於「以產定鈴、以鈴定節、以節定枝、以枝定苗」的原理,同時考慮播種日期、打頂日期、 12的有效積溫、品種株型特性、肥水管理水平差異等因素來確定適宜的種植密度;在此基礎上,應用相對權重法計算土壤含水量、含鹽量以及整地質量和播種方式等多個生態環境因子對出苗率的綜合影響,進而確定播種量。Malfunctions can be diagnosed using infrared thermography without affecting the work state of tested equipments, thus the diagnostic accuracy can be improved. infrared thermography, just as often, improves electronic fault diagnosis by isolating the malfunction to specific areas of the circuit board, what is more, it usually does point directly to the failing component. thermography even can rapidly diagnose up to hundreds of elements on one pcb at one time, without requiring the operator to know the circuit principle very well, which can reduce the workload greatly
紅外故障檢測儀可以對電子設備進行在線測量,檢測時不會影響待測設備的正常工作和頻率特性,這對高頻電路的檢測尤其方便,且能提高診斷的準確性;他通常能指出電路板上的故障區域,甚至經常能直接找出故障元器件,這樣就提高了維修質量;並且能在不需要檢測人員對電路原理有深入理解和分析的情況下,對同一塊電路板上的數十隻甚至數百隻器件同時進行快速診斷,這就大大減少了維修人員的工作量,提高了維修人員的工作效率。B ) equivalent circuit method and finite element analysis ( fea ) to compute the static force are presented, the results obtained by each method are compared one with the other. c ) the results of dynamic simulation by means of the software, ansoft show the hlfm " s characteristics when the motor works in the special frequency and single stroke and the conditions used for position control. d ) the measured static thrust - displacement characteristics and the dynamic characteristics during starting show good correlation with the calculated results
在設計並製作了實驗樣機的基礎上所做的研究內容包括; ( 1 )分別用能量法和麥克斯韋張量法推導電磁力的計算公式,並討論他們的不同應用范圍; ( 2 )分別用等效磁路法和有限元法作直線力電機的靜特性分析,並比較分析它們的計算結果; ( 3 )用有限元模擬軟體做直線力電機動態特性的模擬,分別分析直線力電機的頻率特性、動子開合閘特性和開環位置控制的工作特性; ( 4 )做直線力電機的靜推力?位移特性實驗和動子開合閘的動態實驗,並將實驗結果與計算結果進行對比,實驗驗證了計算模型及計算方法的正確性。According to the numbers of segmentations, dts has multi scale feature and can reflect different trend similarity of time series under various analyzing frequency. 2 ) an enhanced algorithm, based on dual threshold value, and the conception of sub - series linear are proposed. relative point average error is used to measure the linear degree of sub series, which produced by bottom _ up algorithm
對應時間序列線性分段數目的不同,序列趨勢距離具有基於時間的多尺度分析特性,可以有效反應不同分析頻率下時間序列的相似程度; 2 )採用相對點平均殘差衡量bottom _ up演算法劃分的子序列線性度,提齣子序列線性度概念和一種雙誤差閥值改進演算法,大大提高了趨勢序列模型的準確性。Electron gun is the foremost parts of twt, it can produce electron beam with a certain shape and current, in order to guarantee the reliability and security of work, it ’ s design have to meet to the requirement not only of electric parameter, but also all kinds of subsidiary characteristics such as filament pyrogenation efficiency, warm up time, shape size, pole space capacitance and the ability to be able to bear the press and all kinds of rigorous run conditions such as high temperature, high humidity, low air pressure, strong vibration and great strike
由於行波管的大功率和高頻率等特性,目前還沒有任何其他的器件可以代替。行波管是應用高頻電磁場與電子注進行互作用的機理進行工作的,而電子槍是行波管中產生電子注並使它成型的基本部件,電子槍的結構設計決定了槍體自身必須具有良好的抗振可靠性,否則結構發生共振或振動位移過量,就會導致行波管的失效。因此對行波管電子槍的研究具有非常重要的意義。After a careful comparison we found : ( 1 ) rotating the coordinate system around the z - axis for each event is necessary for the relaxation of the correlation between thrust ( or sphericity ) major - minor frame and the direction of the first hard gluon emission. ( 2 ) the horizontal factorial moments ( hfm ) are equivalent to the vertical ones ( vfm ) only after cumulant - variable transformation. therefore, in the study of nonlinear phenomena in high energy collisions the hfm can be used only in combination with the cumulant variables
工jlnfy4ww ; 6標系與發射第一個硬膠子之間的關聯效應,從而觀察到全部強度的動力學起伏;證明了:只有在引入累積變量以後,橫向矩才等於縱向矩,從而也才等效于幾率矩,困而只有在這時,橫向矩才能被使用;論證了:對eb對撞末態粒子系統動力學起伏的研究只能在全相空間進行,而不能用限定的相空間,因而只能採用丟掉最初的一個或幾個點的方法消除動量守恆對相空間標度特性的影響。Their fluorescence emission properties were studied and their photolysis kinetics was investigated in different media by means of steady state photolysis method
考察了其熒光光譜特性,發現甲氧基苯甲酰亞甲基光產堿劑的熒光量子效率較低,而萘甲酰亞甲基光產堿劑較高。Laser - diode end - pumped solid - state laser has many advantages, including high efficiency, good beam quality, high frequency stability, narrow line width, long lifetime, compact configuration, convenient for using et al. especially, single - frequency solid - state laser sources are required for many fields of fundamental research and scientific application, such as gravity - wave detection, coherent laser radar, coherent communication and fiber sensing
激光二極體泵浦的固體激光器具有全固態、小型化、效率高、使用方便等優點而受大家的廣泛關注,尤其是實現單頻運轉的全固態激光器以其優良的頻率特性和輸出功率穩定性可廣泛應用在相干信息處理、頻率計量、量子光學、引力波測量和量子信息等研究領域。Medical electrical equipment - characteristics of digital x - ray imaging devices - determination of the detective quantum efficiency
醫療電氣設備.數字x光成像設備特性.量子檢測效率的確定Medical electrical equipment - characteristics of digital x - ray imaging devices - part 1 : determination of the detective quantum efficiency
醫學電氣設備.數字x光成像設備特性.第1部分:量子檢測效率的確定Characteristics of electro - optical x - ray image intensifiers for medical electrical equipment - determination of the detective quantum efficiency
醫療電氣設備用光電x射線圖象增強器的特性.檢測量子效率的測定Medical electrical equipment - characteristics of electro - optical x - ray image intensifiers - part 5 : determination of the detective quantum efficiency
醫用電氣設備.光電x射線影像增強器特性.第5部分:探測量子效率的測定Medical electrical equipment. characteristics of electro - optical x - ray image intensifiers. part 5 : determination of the detective quantum efficiency
醫療用電氣設備.電光- x射線圖象增強儀特性.第5部分:等效量子效率的測定分享友人