偏轉因素 的英文怎麼說
中文拼音 [piānzhuǎnyīnsù]
偏轉因素
英文
deflection factor-
Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution
在此基礎上模擬在冬夏兩季不同情況下，不同流速對熱管空氣預熱器壁面溫度的影響；然後對影響整個流場分佈的各種因素：包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬；最後提出在分流煙道轉彎處加裝導流板，並模擬加裝導流板后的流場分佈，得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈，以論證加裝導流板能達到流場均勻化的作用。Aberration of electronic lens made by electron gun and aberration of magnetic deflection system made by dy are comprehensively investigated, so is the shadow mask ' s effect on electron beam landing screen error. the conclusion can be get that, because the distribution of electron beam landing screen ( distribution of luminance ) is affected by many kinds of factors, it cannot get the correct function by calculation, and should be get by measurement instead
全面分析了cpt電子槍發射系統形成的電子透鏡像差與磁偏轉系統形成的偏轉像差；分析了蔭罩的自身厚度與位移對電子束著屏的影響，並由此得出結論，著屏電子束分佈（即亮度分佈）受著許多因素的影響，理論分析是半定量的，著屏電子束分佈需要用精確的測量儀器來測量。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。The accurate calculation of the input voltage and the compensation for the dc - offset error and the variation of the stator resistance are important factors in practical implementation of the integration since they can cause a drift in the stator flux linkage trajectory and furthermore deteriorate the quality of torque control
因此，輸入電壓的準確計算、直流漂移量的補償以及定子電阻變化的補償都是影響積分計算準確性的重要因素，這些誤差會導致定子磁鏈軌跡的偏移，進而降低系統轉矩控制的性能。In the simulation work, one 1. 5kw and one 18kw induction motors ? control system were simulated and two simplified control scheme were proposed. when developing the program in tms320f240 dsp, this paper solved two practical problems : the finite - length effect and dc bias effect. finally, sensorless control system based on adaptive filter theory are tested on the platform of 1. 5kw induction motor, the results show that the scheme ? performance is good
在模擬過程中，針對1 . 5kw和18kw異步電機進行了模擬，並在此基礎上提出兩種簡化控制方式；在tms320f240的具體編程過程中，分別對自適應濾波器的有限字長效應、直流偏置效應等非理想因素進行了修正和補償；最後，在1 . 5kw微型異步電機上進行了轉矩閉環無速度傳感器實驗，實驗結果表明了演算法完全可以達到預期的目標。However, as any plan in the world ca n ' t be perfect, the customer management still existed some problems although it was planned thoughtful and pursued successively. the reasons accounting for this were : there were some mistakes in the understanding of the new mechanism ; the stuff was not so satisfied ; the system has not been changed totally and the achievements assess system was not so perfect
不過，正如任何計劃都不可能十全十美一樣，長沙華興建行的客戶經理制雖經過周密計劃，並在實施過程中取得了一定的成效，但還是存在一些問題，主要原因一是因為認識上存在偏差，二是現有人員素質仍嫌偏低，三是體制上還沒完全轉變，四是激勵約束機制尚不完善。To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed
利用集成a / d 、 d / a轉換器的新型晶元aduc824 ，實現了電流（電壓）采樣?數據處理?電流控制的閉環控制結構；地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題；控制信號反相的同時進行幅度壓縮，使得輸出調整電壓的解析度提高；根據常規的比例?積分?微分（ pid ）調節模型，針對陀螺系統的特性，給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法；不同條件下系統穩流性能的對比、分析在論文最後給出，並據此找出了決定該系統穩流精度的關鍵因素，提出了系統的改進意見。In the section 1, we have introduced the background and the recent advance of the flattened gaussian beam ; in the section 2, for the first time, we have calculated the type - i and type - ii shg conversion efficiency and simulated curves versus the crystal length, the pumping light polarization rate, the order of the flattened gaussian beam and the pumped power intensity, we obtain ed that the highest efficiency was influenced by the order and the polarization rate of the pumped flattened gaussian beam
從三波耦合方程及clbo晶體的光學特性出發，討論了以平頂高斯光束入射時穩態的三波耦合方程的大信號倍頻解（包括類及類相位匹配的倍頻解） 。計算了其在clbo晶體上的倍頻轉換效率與晶體長度，基波偏振分量比，基波階數及泵浦波強度之間的相互影響關系曲線。得出影響平頂高斯光束的最高轉換效率的因素是基波的階數n和泵浦波的偏振分量比d 。Now we are busy fitting and testing the asipp single - ion microbeam facility. the main work in this paper are as following : testing the performances of bend magnets and magnetic quadruple, simulating the course of beam - line transport, realizing the function of count of the number of radiated ions & control of the electronic beam shutter, calculating different voltage worked on the beam shutter of different beam - line, probing into some factors that may influence the controlling precision and providing some method to solve them
本課題所做的工作主要是對偏轉磁鐵、磁四極場進行性能測試和對束線的傳輸進行模擬計算；編程實現離子記數和束開關的控制；計算出使用不同束線時束開關上所應該加上的電壓值，並且對可能影響控制精度的因素進行了一些探討，並提出相應的解決方案。Sequence variation analysis exhibits high transition to transversion substitution ratios, and transitions and transversions are unsaturated in the sequence of cytochorme b gene. the base composition of the cytochrome b sequences was highly biased. using a structural model of the cytochrome b protein as a template, we divided cyt b sequence data for species within anserifomes into three functional domains
3 ）序列具有較高的轉換顛換比，基因序列中的轉換與顛換都未飽和，序列中的堿基組成高度偏倚： 4 ）按照細胞色素為蛋白結構模型，細胞色素b基因全序列可分為三個功能區，堿基替換飽和狀況與不同功能區相關聯。Chapter analyzes the causes of chinese financial risks in the present day in terms of the economic system, financial system, fiscal policies and the implementation of active fiscal policies. this article holds that factors contributing to the present chinese financial risks are of different types, including the transitory system risks due to incomplete readjustment in the reform of market economic system and the risks caused by the financial difficulties, deviation of effects of fiscal policies, misplacement of fiscal functions, and defects in t
認為導致當前我國財政風險的因素是多方面的，既有經濟體制市場化改革尚未調整到位帶來的轉軌性體制風險；也有財政困難和財政體制轉換過程中，財政政策效應偏差、財政職能錯位以及財政管理制度的缺陷等方面的原因帶來的風險；特別實施積極的財政政策，財政赤字進一步擴大、國債增速過猛，給財政運行帶來風險，造成財政風險的進一步加劇。This paper bases on the literature review, constructs a customer repurchase intention model on oliver ’ s loyalty phase theory. the model includes 11 factors : brand preference, cumulative satisfaction, variety seeking, attractiveness of alternatives, switching cost, ( the five dimensions ), customer repurchase intention, episodic satisfaction, customer perceived value, customer perceived fairness, customer perceived benefits, customer perceived cost
本文在文獻回顧的基礎上，吸收了現有學者的研究成果，在oliver （ 1997 ， 1999 ）提出的顧客四個忠誠階段的理論基礎上，建構了影響顧客重購意向的模型，共包括:顧客重復購買意向、顧客品牌偏好、顧客的交易滿意度、顧客的累積滿意度、顧客的多樣化追求、替代品吸引力、轉換成本、顧客感知價值、顧客感知公平感、顧客成本付出、顧客的感知利益等11個因素。Finally, the experimental results obtained at three types of laser which was used as the pump source were presented, the experimental results were analyzed and some factors which effect the testing precision and rate of the pbd technique were discussed. in the end of the paper, the lab work was summarized and the future plan was viewed
最後給出了應用三種不同的激光器作為泵浦源而得到的實驗結果，對這些實驗結果作了對比分析，並對一些影響光熱偏轉法測量精度和速度的因素作了討論和總結，並提出了今後的發展思路。The results show that there exists such nonlinear dynamical phenomena as chaos ang quasi - period movement when the rotational speed, mass eccentric and a synthesizing parameter of the system change. from different point of view, the chaotical phenomenen induced by double period bifurcation is found. in this paper, the dynamical model of bearing - elastical rotor with a cross - section of crack is estabilished
結果表明，在這一非穩態油膜力模型下，在轉速、無量綱偏心及一包含諸多因素的綜合參數的變化過程中，在很大的范圍內，系統運動都會出現由不斷倍周期分岔導致的混沌現象和概周期運動。It is analyzed through the research that the main restricted factors affected the rural agricultural extension organizations in yi zheng lies in : the unconsummated of management mechanism, the serious shortage of the fund of agricultural extension, the unsteadiness of the rural agricultural extension group, the overall low capacity of the people, not quite properness of the professional knowledge structure, the low speed of the knowledge updating, unclear goals of part rural agricultural extension organizations, the phenomenon of not so well relationship among agricultural research, education and extension, scattered one household of the agricultural production way concerning lack of agriculture technique demanding elasticity, etc. agricultural extension has presented some new diversions under new condition of agricultural development
根據調查分析，影響儀征鄉鎮農業推廣機構發展的制約因素主要有：管理體制不健全，農業推廣經費嚴重不足，鄉鎮農業推廣隊伍不穩，人員整體素質偏低、專業知識結構欠合理、知識更新緩慢，部分鄉鎮農業推廣機構發展方向不明，目前的農業科研、教育與推廣存在相脫節現象，一家一戶的分散的農業生產經營方式對農業技術需求彈性不足等。新形勢下的農業發展對農業推廣的要求也發生了新的轉變。There is a part of beam loss during the course as the neutralization of high - energy particles dragged from the ion source, the deflexion of charged particle on the beam stream and the scraped beam of exceeding beam waist and low density. it is necessary to analyze the beam loss and bring forward a rational project for absorbing beam stream
將離子源引出的高能粒子進行中性化，再偏轉掉束流中的帶電粒子，將超過束腰半徑、密度較小的束流削除，在此過程中有一部分束流損失，它直接影響加熱功率的因素，因此，對束流損失進行了分析，對損失束流的吸收提出了吸收方案。At last, based on vehicle side - slip angle and yaw rate, 3 different kinds of vehicle handling stability controller are designed using variable structure control with sliding mode theory. at simulink simulation flat, do simulation experiment of the concept car model with the direct yaw moment control and without control ; and which control strategy should be apply in different specifically vehicle working conditions, how the vehicle velocity, steer characteristic, control parameters etc. impact the control quality have been studied
最後，運用滑模變結構控制理論，基於質心側偏角和橫擺角速度這兩個控制變量分別提出三種具有針對性的控制策略，在simulink模擬平臺上，對帶有汽車穩定性控制器和不帶汽車穩定性控制器的車輛模型進行了模擬研究;對不同工況下汽車穩定性控制策略的具體應用及車速、轉向特性和控制參數等因素對控製品質的影響進行了研究。Thirdly, the paper analyzes the reasons of un - balance of demand and supply from the aspect of quality and construction, and argues that the situation of demand and supply is characterized by total surplus and structural deficiency. t he large scale of population and the high rate of labor participation lead to that the total supply surpass the demand. the capital structure, the improving technology and capital - dominance industrialization way result in the deficient demand, so they become the key reasons of unbalance situation
再次，從總量和結構兩方面分析我國勞動力供求失衡的原因和影響因素，認為我國勞動力供求態勢的特徵是總量過剩與結構性短缺並存；從供給角度看，人口規模過大以及勞動參與率高是勞動力供給總量大於需求的主要原因：從需求角度看，資本構成、技術進步和資本深化的工業化方式是勞動力需求不足進而造成供求失衡的關鍵原因；改革前，我國勞動力就業結構轉移嚴重滯后，這與我國經濟發展戰略有密切聯系；改革后，產業結構調整使就業結構偏差得到一定的矯正，勞動力供求結構失衡的矛盾有所緩和。6 ) the contrast between different heights of the ridge. through contrasting the researches in the system, the author had found that within the above influence factors, the corner was the most important one. above all, the influence with combination of big corner, large bottom and sluice c
經過比較系統的研究發現，上述諸多影響彎道水流特性因素中，轉角具有最主要的作用，尤其大轉角與較大底坡和泄量組合后的綜合影響，會使水面偏斜和螺旋流變化更為明顯，也更加不規則。分享友人