級函數響應 的英文怎麼說

中文拼音 [jíhánshǔxiǎngyīng]
級函數響應 英文
step-function response
  • 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. 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。
  2. Therefore, a model of three sectors, respectively referring to domestic sector, manufacturing export sector and primary product export sector, has been established here to measure the technology spillover effects of export on domestic sector. finally, based on a broader framework, this dissertation went on to investigate the relationship between openness and china ' s economic growth, while the result shows that though there exists a notable dispute about how to measure the degree of china ' s openness, the index of trade dependence still maintains the better one to reflect china ' s economic openness. in the meanwhile, impulse response function ( irf ) method and forecasting errors variance decomposition ( fevd ) method, both of which are based on the vector auto - regression ( var ) system, are used here to investigate the dynamic relationship between openness and china ' s economic growth

    與傳統理論不同，新增長理論和新貿易理論都強調技術進步的作用，因此本文構建了一個三部門的技術外溢效應模型（國內部門、工業製成品出口部門以及初級產品出口部門） ，考察了工業製成品出口和初級產品出口對國內非出口部門不同的技術外溢效應；第四，從更加廣闊的視野就貿易開放度與中國經濟增長問題進行研究，有關貿易開放度如何度量一直是存在較大爭議的問題，本文首先對該類研究文獻進行了較為詳盡的述評，然後運用生產函數方法對所選取的5個貿易開放度度量指標進行了檢驗，結果發現盡管一些已有研究認為外貿依存度無法真實度量一國經濟開放水平，但是本文研究結果表明外貿依存度仍是度量我國貿易開放度的較好指標，進一步採用基於var系統的脈沖響應函數法以及預測誤差方法分解法對貿易開放促進經濟增長的作用進行了動態刻畫。
  3. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。
  4. Based on vibration principle, the paper establishes dynamics analysis model of output shaft with elastic support, according to fourer series spread principle of periodic function, the dynamic response formula is derived by separating complex vibration force into sum of many simple harmonic excitation function of whole number times frequency relations. the result shows that response of both sides support is synchronous when load distribution non - uniform coefficient is 1

    依據振動理論建立了具有彈性支撐的輸出軸的動力學分析模型，根據周期函數的傅里葉級數展開原理，將復雜的激振力分解成為多個頻率成整倍數關系的簡諧激勵函數，導出了動態響應表達式，結果表明，當載荷分配不均勻系數為1 . 0時的輸出軸兩端支撐同步。
  5. By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated

    根據我國干線鐵路軌道譜，採用三角級數法模擬出干線鐵路和準高速鐵路軌道不平順的樣本函數；根據秦沈客運專線高速試驗段軌檢車資料，採用arma時間序列模型模擬了高速鐵路軌道不平順隨機樣本函數；在既有研究資料的基礎上模擬出各種速度客車構架人工蛇行波；用隨機變量描述道床橫向剛度，並進行了隨機模擬；將振動理論和穩定理論結合建立系統的分析模型和運動方程；根據monte ? carlo法編制了車輛?軌道耦合系統隨機振動分析程序，進行了無縫線路隨機動力響應分析，通過試驗對計算模型、計算方法進行了驗證。
  6. 74 explores time - dependent quantum mechanics and spectroscopy. topics covered include : perturbation theory, two - level systems, light - matter interactions, relaxation in quantum systems, correlation functions and linear response theory, and nonlinear spectroscopy

    74探索與時間相關的量子力學與光譜學，課題包含：微擾理論、雙能級系統、光與物質之作用、量子系統的鬆弛過程、相關函數與線性響應理論，以及非線性光譜學。
  7. Hierarchical chromatographic response function hcrf

    等級色譜響應函數
  8. Based on this point, penman combines the good approximation capacity of fuzzy system and the merits of internal model control, such as simple design, good regulation capacity, high robustness and elimination of the unknown disturbance etc. to construct the fuzzy internal model control system based on ga, which is characterized by high robustness and quick response speed, furthermore, it can bring good control performance when the controlled objects vary in a big range. at last, it is triumphantly used in simulation of the 1st superheated steam temperature reduction control system

    正是基於這種思想，筆者結合內模控制設計簡單、調節性能好、魯棒性強並能消除不可測干擾的影響的特點和模糊系統的良好的函數逼近能力提出基於遺傳演算法的模糊內模控制，其特點是系統的魯棒性強、快速性好，且當被控對象在較大范圍內變化時，控制系統仍然具有良好的調節特性，並將此控制方案成功地應用於500mw機組一級減溫控制系統的模擬中。
  9. In this paper, the system of a a - type three - level atom interacting with two - mode su ( 1, 1 ) coherent states in a kerr - like medium is studied by means of the quantum theory, and the state function for the resonant or non - resonant interaction is derived. using the state function, the kerr effect on the quantum dynamics and nonclassical properties in the system is investigated ; and the influences of the detuning and initial atomic on the quantum and nonclassical properties in the non - resonant interaction study system

    本文運用全量子理論，研究了類kerr介質中雙模su （ 1 ， 1 ）相干態場與型三能級原子相互作用系統，分別導出了該系統在共振及非共振相互作用時的態函數，並以此為出發點，研究了kerr效應對系統的量子動力學和非經典特性的影響，場模失諧量、原子初態對非共振作用系統的量子動力學和非經典特性影響。
  10. On the other hand, the influence of the solid wall on the saturation thermodynamic parameter of argon under microscale condition was studied. a potential function was introduced and the problem of collision between molecules of argon and molecules in solid wall were dealed with. it is concluded that : when the scale of fluid argon is only one or two om larger than the effective distance between the solid wall and the molecules of argon, the scale of fluid argon and the molecules of solid wall have remarkable effect on the thermodynamic saturated properties of argon

    同時，本文還研究了在微尺度下固壁面對氬的飽和熱力學性質的影響，本文應用了一種氬分子與固壁面分子相互作用的勢函數，並研究了氬分子和固壁面分子相互碰撞的問題，研究表明：當氬流體的空間尺度只比固壁面對流體分子的有效作用距離大1 ~ 2個數量級時，尺度效應和固壁面分子的作用會影響氬的飽和熱力學性質。
  11. The main achievements of this work include the some aspects as follows : ( 1 ) based on a simple model with constant number of parameters, which consists of a set of trigonometric series functions, a generalized ionospheric model is constructed whose parameters can be adjusted

    主要包括： （ 1 ）將參數固定的三角級數函數電離層模型，擴展為更適用於理論研究和實際應用的參數可調型廣義形式，實現了根據電離層延遲時空變化特徵，選擇不同的特徵參數模擬電離層延遲的影響。
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