disturbance theory 中文意思是什麼

disturbance theory 解釋
干擾理論
  • disturbance : n. 1. 動亂，變亂，騷亂。2. 煩悶；（心情）紛亂；（身心）失調。3. 【無線電】干擾；【氣象學】擾動；【地質學；地理學】（地殼的）局部運動。4. 【法律】侵犯（權利），妨害（治安）。
  • theory : n. 1. 理論，學理，原理。2. 學說，論說 （opp. hypothesis）。3. 推測，揣度。4. 〈口語〉見解，意見。
  1. A new coupled - mode theory based on scalar modes is presented for the anisotropic waveguide with random disturbance via helmholtz equation and a modified dielectric tensor

    摘要從亥姆霍茲方程出發，得到了各向異性光波導在弱導近似下的耦合模理論。
  2. In chinese medicine theory, the pathogenesis of bph is associated with qi transformation of the triple burner, impaired diffusion and downbearing of the lung, unable to govern regulation of the waterways, the splenic transformation failure and unable to upbear the clear and downbear the turbid, damp - heat pouring down into the bladder, kidney vacuity and yang debilitation, qi transformation disturbance of lower burner, so the bph is caused by the disturbance of qi transformation in the lung, spleen and kidney triple burner

    前列腺增生病的發病機理，中醫學認為與三焦氣化功能有關。肺失肅降，不能通調水道下輸膀胱：脾失健運不能升清降濁，濕熱下注膀胱腎陽虛衰，下焦氣化失司，致開閡不利。故前列腺增生病是肺脾腎三臟三焦氣化失調所致。
  3. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點，提出多變量協調控制方案，解決了系統可控性差，難以實現穩定自動運行的問題；在此基礎上，改變以往以煙氣含氧量控制送風的傳統模式，針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重，煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題，應用智能控制理論中的模糊控制技術，結合自尋最優控制的思想，設計了一種模糊自尋優控制器，應用在電站鍋爐送風控制系統上，並闡述了動靜態兩種實現途徑，通過在線優化風煤配比，實現最佳經濟燃燒，切實保障了鍋爐的經濟運行。
  4. Design method of the electromechanical actuator controller based on the robust mixed h2 / h * control theory is studied, taking advantage of the priority of the linear matrix inequation in solving the problems of the multiobject control, the robust mixed h2 / h * control problem of the electromechanical actuator under the condition of parameter perturbation and external disturbance can be transformed to the solving of the linear matrix inequation

    研究了基於魯棒h _ 2 h _混合控制理論的電動舵機的控制器設計方法，利用線性矩陣不等式在多目標綜合控制問題求解方面的優勢，將存在參數攝動及外部擾動時的電動舵機的魯棒h _ 2 h _混合控制問題轉化為線性矩陣不等式問西北工業大學博士學位論文題並進行求解。
  5. To overcome this problem, the author researching from the core of active disturbance rejection control theory " fal function ", having the advantage of : small errors, large gains ; big error, the small gains character, designs a nonlinear pid gesture controller. simulation results showed that the design of nonlinear pid controller shortening the small satellite gesture catch time and improving the attitude control precision

    為了克服這個問題，本文從自抗擾控制理論中的核心「 fal函數」出發，基於fal （ e ， ， ）函數具有:小誤差，大增益;大誤差，小增益的特性，設計了一種非線性pid姿態控制器，比較好的縮短了小衛星姿態捕獲時間，一定程度上提高了姿態控制的精度。
  6. Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays

    二、具體研究工作的系統報告，主要集中在以下幾方面：研究如何利用單臺雙頻gps接收機的觀測信息確定電離層延遲改正模型，為小范圍的單頻用戶服務；研究如何實時分離gps觀測中的儀器偏差與電離層延遲；研究如何建立較大區域的電離層格網模型，進而初步設想利用中國地殼運動觀測網路深入研究我國領域的電離層的電子濃度變化規律；研究單頻用戶在不利條件下，如何更好地利用電離層延遲改正信息；研究利用gps監測隨機電離層擾動的基本理論和框架方案；研究如何綜合顧及電離層的周日、季節和年變化，進一步提高利用gps模擬電離層延遲的能力；研究如何實現星載單頻gps低軌衛星的精密測軌中的電離層延遲改正要求。
  7. 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。
  8. This paper applies ittc single - parameter ocean wave spectrum to simulate a random long - crested ocean wave according to statistics superposition theory and real - time simulate disturbance on the ship by random wave. it simulates roll and pitch of the ship in random wave in the time domain and gains roll angle ( t ) and pitch angle ( t ) signal of ship rolling movement

    本文根據統計疊加理論，採用ittc單參數標準海浪譜模擬模擬實際的長峰波隨機海浪，進而實時模擬長峰波隨機海浪對船舶的隨機擾動，對船舶在海浪中的橫搖和縱搖運動進行了時域模擬，得到船舶搖蕩運動的橫搖角信號（ t ）和縱搖角信號（ t ） 。
  9. The theory of landscape ecology about drastic disturbance of landforms has been richened. a practical way could be found to identify the final direction of artificial ecosystem succession. moreover, the results can be applied into study the land reclamation and ecological rehabilitation of the developed opencast mines and developing ones in loess plateau

    本研究結果的學科價值:豐富了極端生境下劇烈擾動地貌的景觀生態學理論，為確定人工正確誘導下的礦區生態演替方向提供了可借鑒的方法和途徑;應用價值主要體現:研究結果適宜於我國黃土高原正在開采和將要開採的大型露天煤礦的土地復墾與生態重建。
  10. After that, a fuzzy neural network control design with mixed performance was proposed aiming at different requirement to uncertainty, which separately compensate parameter uncertainties and external disturbances of robot system. this method can ensure the robust stability that under a prescribed attenuation level for the external disturbance, and also strengthens compensation to parameter uncertainties. the theory of hybrid force / position control is clear, however, it is difficult to implement

    針對實際應用中對不確定的不同要求，又提出了一種具有混合/性能指標的神經網路控制方法，對機器人不確定性（包括參數不確定性和外部擾動）分別進行補償，保證了系統對外界干擾在給定的干擾衰減度下具有魯棒穩定性的同時，還增強了系統對參數不確定性的補償。
  11. Specifically, this thesis includes the following work : the basic theory of speech processing and noise in speech reduce. we study the short interval character of speech signal and short interval process technology, and classify the noise and disturbance in wireless receiver terminal into 3 categories and present corresponding schemes

    本文針對高質量無線語音傳輸的需求，對語音處理及語音降噪的基礎理論、關鍵技術及降噪設備的實現方法展開研究，在此基礎上設計實現了無線語音通信降噪器實驗系統，並對實驗系統的降噪效果進行了測試。
  12. Through the unknown perturbation and uncertain estimation of the system, and feedback the estimation to the control system, the active disturbance rejection controller thus realizes the dynamic feedback linearization of those dynamic systems. the adrc theory is unique, and the method is simple, it suited to the non - linear an uncertain hydroelectric power sets

    自抗擾控制理論通過對系統未知擾動和不確定量的估計，並將估計量反饋回控制系統中，從而實現系統的動態線性化，該理論思想獨特，方法簡單，特別適合於具有非線性和時變特性的水輪發電機組這樣的系統。
  13. The new adrc technique was concluded from the related references in recent years, and the adrc theory was systemically introduced, which included tracking - differentiator ( td ), extended state observer ( eso ), nonlinear pid, nonlinear feedback ( nf ) and active disturbance rejection controller ( adrc ), and etc. the author first designs a pd attitude control system, indicating : using pd attitude control, the time of small satellite gesture capture is long and the precision of control is low

    從近幾年有關文獻中總結了自抗擾控制新技術，系統介紹了自抗擾控制理論，其中包括跟蹤微分器（ td ） 、擴張狀態觀測器（ eso ） 、非線性pid 、非線性反饋（ nf ）和自抗擾控制器（ adrc ）等。設計了主動磁控小衛星pd姿態控制系統。指出採用pd姿態控制，微小衛星姿態捕獲時間較長，姿態控制精度較低。
  14. The forces and moments acting on the bomb are analyzed and the corresponding reference frames and motion model are built. based on disturbance theory, the mathematical model is simplified. what ' s more, taking real flight of the sgb into account, some assumptions are given. on the basis of these assumptions, the motion of the sgb is broke into the motion in vertical plane and the motion in the horizontal plane. dynamic characteristics of the motion in vertical plane is mainly studied

    在此基礎上，通過小擾動理論將簡易制導航彈的空間運動數學模型化簡，得到簡易制導航彈的空間擾動運動數學模型。根據簡易制導航彈的實際飛行情況，作出了一些假設條件，將簡易制導航彈的空間擾動運動分解成縱向擾動運動和側向擾動運動，並相應的得到兩個通道的數學模型。
  15. The second, the launching dynamics calculation of projectile is arranged by using the theory of uniform design, and the concept of the integrating quantity for initial disturbance and the concept of the independence factor ' s effecting degree to dependence factor is inducted too. from the model of stepwise regression, the main random factors and their effecting degrees to initial disturbance can be obtained also

    第二，用均勻設計理論安排彈丸發射動力學計算，通過引入起始擾動綜合量的概念和自變量對因變量的影響程度的概念，由逐步回歸模型分析了影響彈丸起始擾動的主要因素及其對起始擾動的影響程度，並推導了由自變量的標準差計算因變量標準差的公式。
  16. For eliminating random disturbance in the measurement system of dielectric loss, elaborates application on the theory of hard threshold value de - noise based on the wavelet transformation in the measurement system

    針對介質損耗測量中存在的隨機干擾，闡述了基於小波變換的硬閾值消噪理論在測量系統中的應用。
  17. By applying the optimal control theory and using the method of multi - designing points to design the cam contour curve with both good dynamic property and strong parametric anti - disturbance force, and the feasibility of this method was verified by a living example

    摘要應用最優控制理論，提出以多設計點法來設計既有良好動態特性且抗參數擾動力強的凸輪輪廓曲線，並以實例驗證了該方法的可行性。
  18. It preliminarily establishes a set of test theory and technical approach to wind tunnel test. specifically speaking, it includes following work : ( 1 ) theoretical analyses on key parameters of ao effect were made. from maxwell equation, the computation formula for focusing intensity of ordered disturbance and the computation formula for pulse peak intensity were derived

    初步建立起了一套氣動光學風洞測試試驗的理論和技術，完成的主要研究工作有: （ 1 ）從理論上進行了氣動光學主要參數的分析，從麥克斯韋方程出發，推導了有序擾動的聚焦強度的計算公式及脈沖峰值強度計算公式。
  19. The varieties of interior parameter and exterior load disturbance and the presence of saturation nonlinear have great influence on the dynamic process and tracking effect of the system, so there are practical meanings and theory values to apply robust control methods to speed system. the development and status quo of robust control theory is summarized

    由於系統內部參數的變化、飽和非線性的存在及外界負載擾動的變化對軋機速度系統的動態過程及跟蹤效果有較大的影響，因此，本文應用魯棒控制方法對速度系統進行控制研究，具有較大的實際意義和理論價值。
  20. As the complexity of flight tasks increases, the linearized equation based on the small disturbance theory is no longer adequate for the design of control systems, and the necessity of exploring a nonlinear approach seems increasingly obvious

    隨著飛機飛行任務不斷趨向復雜化，基於小擾動線性化方程的線性系統設計方法已經難以滿足現代飛機飛控系統的設計要求。這就迫使我們研究飛機的非線性控制律的設計方法。
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