等效量子數 的英文怎麼說
中文拼音 [děngxiàoliángzishǔ]
等效量子數
英文
number of equivalent quanta- 等 : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 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...
- 數 : 數副詞(屢次) frequently; repeatedly
- 量子 : quantum; gion
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Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed
分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢,應用含時微擾理論的一級波恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢,同時初步探討了實驗的正確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production
論文具體分析研究了不同成形工藝過程中金屬流動的特點,並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度(底部高度)與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析,獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線,同時對油泵定子成形過程的影響因素等進行了分析,優化並獲得了合理的溫擠成形工藝及模具參數。最後,利用模擬優化獲得的各項工藝參數進行生產實驗,得到實際生產出的合格油泵定子件,並將模擬結果與生產實驗結果進行比較。It is derived the hamiltonian for the interaction of a - type three - level atom with a two - mode quantum cavity field from the general interaction hamiltonian between a multi - level atom and a multi - mode radiation field, and reduce it into an effective two - mode raman - coupled mode under large detuning condition. it is proposed a modified effective hamiltonian for the two - mode raman - coupled model. it is found the time - dependent state vectors and present validity conditions for the involved interaction hamiltonians. it is shown that in the study of the two - mode raman - coupled model it is not enough to retain only the usually used effective hamiltonian, one must also take into account the ac stark shift of the atomic levels ( at least one of the levels ). finally, it is studied the atomic dynamics in the interaction of a - type three - level atom with a two - mode quantum cavity field and in the two - mode raman - coupled model. it is found that the number of collapse - revivals, the collapse time and the revival time show new characteristics
從多能級原子與多模光場的相互作用哈密頓量出發,導出了型三能級原子與雙模光場的相互作用哈密頓量.在大失諧條件下將其化成等效的二能級形式雙模喇曼耦合模型.提出了該模型的一個改進型等效哈密頓量.該哈密頓量由兩部分構成:一部為通常所謂的等效哈密頓量,另一部分描述原子能級的動態斯塔克移動.研究表明,在雙模喇曼耦合模型的研究中,只考慮前者是不夠的,還必須考慮後者.最後,我們研究了該系統中原子的動力學行為,發現崩塌-復甦的數目、崩塌時間和復甦時間均呈現新的特性Owing to the extremely small dimensions, nanometer materials are structurally characterized by a large volume fraction of grain boundaries or interphase boundaries, which exhibit some unique structural characteristics and novel properties with respect to the conventional coarsegrained polycrystalline materials
由於納米粉體材料尺度極小,使之表面原子數、表面能急劇增加,產生了宏觀物體所不具有的表面效應、小尺寸效應、量子效應及宏觀量子隧道效應等新的性能。In the framework of the long - range interaction, we study the interfacial effects on the pyroelectric and dielectric susceptibility of a ferroelectric bilayer for the first time. we find that the quantum effect can lead to the disappearance of some of the peaks of the pyroelectric and susceptibility of the bilayer
我們首次在長程相互作用的框架內,考察了界面對雙層膜的熱電、介電等物理性質的影響,且量子效應的增強會導致鐵電雙層薄膜的熱電系數和介電極化率的某些峰的消失。The rubber insert ' s mechanical and physical performances and machining mechanism, particularly the dynamic mechanics frequency chart and the equivalent principle of time and temperature, are analyzed in chapter 6. the series tools of machining rubber inserts are researched and manufactured. reasonable technology parameters, and measures for exaltation machining efficiency and quantity are determined by test
第六章分析了防中子橡膠內襯的物理機械性能,尤其是動態力學性能頻率譜和時溫等效原理;研究了橡膠材料的加工機理:研製了橡膠內襯加工的系列刀具,進行了加工工藝參數優化;提出了提高加工質量和效率的工藝措施。Along with silicon ulsi technology has seen an exponential improvement in virtually any figure of merit, as described by moore ’ s law ; the miniaturization of circuit elements down to the nanometer scale has resulted in structures which exhibt novel physical effects due to the emerging quantum mechanical nature of the electrons, the new devices take advantage of quantum mechanical phenomena that emerge on the nanometer scale, including the discreteness of electrons. laws of quantum mechanics and the limitations of fabrication may soon prevent further reduction in the size of today ’ s conventional field effect transistors ( fet ’ s )
隨著超大規模集成電路的的發展,半導體硅技術非常好地遵循moore定理發展,電子器件的特徵尺寸越來越小;數字集成電路的晶元的集成度越來越高,電子器件由微米級進入納米級,量子效應對器件工作的影響變的越來越重要,尺寸小於10nm將出現一些如庫侖阻塞等新特性。量子效應將抑制傳統晶體管fet繼續按照以前的規律繼續減小。在這種情況下,宏觀的器件理論將被替代,可能需要採用新概念的晶體管結構。And the simulation on the nonlinear beam - wave interaction of two - cavity gyroklystron is made. the influences of the drift length and beam voltage and current and the velocity ratio of the electron beam and et al. on efficiency and gain are analyzed in detail
並對34ghz兩腔迴旋速調管的注?波互摘要作用進行了大量的數值模擬研究,分析了漂移區長度、電壓、電流、速度lhq值、磁場k , ; 、注入波功率等多種因素對互作用電子效率及增益的影響。Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly
但是高性能的交流調速系統實現很困難,這是因為交流電機是多變量、強耦合的非線性系統,不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題,其基本思路? ?應用坐標變換將三相等效為二相,實現定子勵磁電流分量與轉矩電流分量之間的解耦,達到對交流電機磁鏈與電流分別控制的目的,交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步,計算機技術飛躍發展,高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中,促進矢量控制迅猛發展,日趨成熟。Equivalent electrical parameters of quartz crystal units, 1 khz to 1 ghz, standard methods for measurement of
1khz至1ghz石英晶體振子等效電參數測量的標準方法Ansi eia 512 - 1985 standard methods for measurement of the equivalent electrical parameters of quartz crystal units, 1 khz to 1 ghz addendum to ansi eia 512 - 1985
1khz至1ghz石英晶體振子等效電氣參數測量的標準方法The calculation results show that the correlation between the multiplicity of intermediate mass fragments n ( subscript imf ) and total number of charged particles n ( subscript c ) is a sensitive observable for probing the isospin - dependent in - medium nucleon - nucleon cross section, but the isospin effects of symmetric potential on n ( subscript imf ) is not obvious in the chosen energy region
計算結果表明在所選能區,中等質量碎片的多重性與帶電粒子總數之間的關聯是提取介質中核子核子碰撞截面的靈敏觀測量,而此時對稱勢的同位旋效應卻不明顯。The functional descriptions of these error mechanisms which can reveal how errors of various blocks in adc affect the output sample are provided ; analyses show that the first stage of the converter is dominant in a pipeline
首先,通過研究流水線采樣保持電路、子adc 、子dac和殘差放大級的主要誤差機制,用函數表達式將誤差等效到采樣輸出端,量化各部分誤差對系統性能的影響。Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system
該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。This paper studies the corner layer behavior in quasi linear systems with turning points. under the appropriate conditions and by usin g the theory of differential inequality, the existence of the solution and its c omponentwise uniformly valid asymptotic estimation are obtained when the reduced solution does not have a continuous first - derivative in some point of ( 0, 1 )
奇攝動轉向點問題是來自量子力學及其他物理力學中的重要問題,特別對非線性系統的轉向點問題,已有的結果甚少,文章研究一類具有轉向點的擬線性系統的角層現象,在適當的假設條件下,利用微分不等式方法證明了當其退化解在( 0 , 1 )內某些點上一階導數不連續時解的存在性,並得到了解的按分量的一致有效的漸近估計。The results show that under the condition of the squeezing - power - number being an any even number or the pruduct of the squeezing - power - number and the total cavity - mode - number being an any even number, if some certain and fixed conditions are satisfied respectively by the initial phase of each mode in the state or the sum of the initial phase of each mode in the same state mentioned above, by the initial phase difference between any two components in the state, and by the sum of mean photon - numbers, which are modulated by the initial phase of each mode in the state mentioned, of all the single mode coherent states light field, the state can always display the effect of generalized nonlinear equal - power n - th power y - squeezing, or present the effect of generalized nonlinear equal - power n - th power h - squeezing, that changes alternatively and periodically
結果發現:在壓縮次數取偶數或者壓縮次數與腔模總數這兩者之積取偶數的條件下,若各模的初始相位或者各模的初始相位和、態間的初始相位差以及受各模的初始相位調制的各單模相干態光場的平均光子數之總和等分別滿足一定的取值條件,則態| ~ ( ( 4 ) ) _ q的第一和第二這兩個正交相位分量總可分別呈現出周期性變化的、西北人學碩{ _學位論文摘要廣義非線性等冪次n次方y壓縮或者等冪次n次方h壓縮效應。In such way, the frequency, the virtual value, the harmonic and power factor are acquired. it can achieve the intelligent control by way of cooperating with master station automatic apparatus system through adopting rs - 485 communication standard
同時根據采樣值系統計算了頻率、有效值、諧波、功率因數等電量,並通過rs - 485通信口與二級子站微機相配合,達到智能控制的作用。Gribov combined the nonrelativistic glauber multiple collisions theory with quantum field theory and fe ynman diagram technique so that relativistic kinematics could be included. based on glauber - gribov theory, b. z. kopeliovich et. al. developed green function method to calculate the shadowing effect in p - a drell - yan process
Gribov將描述高能非相對論的多次碰撞的glauber理論與量子場論和費曼圖聯系了起來,從而glauber - gribov理論可以描述相對論情況下的多次散射,基於這一理論, b . z . kopeliovich等提出用格林函數方法計算p - a碰撞的drell - yan過程中的遮蔽效應。An ideal investment location can be founded in case disposal of the elements properly the paper works over the technique means of economic risks and puts forward that the economic results are impacted upon by a complicated three - dimensional risk of the absence of information ; in addition, it constitutes economic model of foreign investment to large - scale construction through ahp. the thought economic factors are transferred into quantitative index by taking advantage of computer, a figure of decision - making is worked out as well ; the quantitative and statistic analyses of risk elements is carried out by means of mathematics, which provides decision - makers with a theoretic measure
本文研究了項目經濟風險的技術分析手段;以系統論的觀點提出了項目經濟結果受到復雜的信息匱乏三維風險因素威脅;構建了大型土木工程國際投資項目經濟風險遞階模型,通過計算機求解將思維性的經濟風險因素轉化為量化指標,做出了決策參考圖;提出了大型項目工程地區的經濟因子數學分析措施,為決策提供了投資地投資等級量化指標的依據;提出了大型土木工程國際投資未確知有理數解決方法,為投資的決策提供了效益分析結果。Moreover, a novel method is also proposed to using pdp driving ic to perform the traditional pwm modulation. the shared platform is also discussed. besides the circuit design and program, in the paper, according to the typical equivalent pixel unit circuit, analyze the key parameter of the circuit by the support of theory formula deduction, analysis and simulation. it ’ s favorable to improve the high - frequence property of fed sample and enhance the display quality
實際上,文中還提出了採用pdp驅動晶元進行pwm調制的控制方法和相應驅動波形設計,並就與子行灰度調制方法共享有關硬體和軟體平臺來驅動fed顯示屏進行了有益的探討。除了電路製作和控制編程外,本文從fed顯示屏典型像元的等效電路入手,採用理論公式推導、分析和模擬結合,指出了驅動電路設計中的關鍵參數選擇準則。這有利於改善fed整機的高頻特性,提高fed的顯示質量。分享友人