相對運轉特性 的英文怎麼說

中文拼音 [xiāngduìyùnzhuǎnxìng]
相對運轉特性 英文
relative operating characteristic
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
  • : 轉構詞成分。
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  • 運轉 : 1. (沿一定軌道運轉) revolve; turn round 2. (指機器轉動) work; operate; run; travel 3. (循環) flow
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted

    在負荷較小時,壓縮機採用低速,吸氣壓力升高,這系統降低能耗是有利的;變頻控制時,蒸發器製冷劑流量的變化並非線;系統中採用電子膨脹閥進行過熱度控制,被控象具有參數時變的應地宜採用變結構的控制器。
  2. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,激光器的輸出功率和功率穩定進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模;最後,根據泵浦光焦斑端面位置激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  3. First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target

    本文結合空軍裝備部某「十五」預研課題,圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案,建議採用時分多址的工作模式,並利用移動自組織網路的概念構建數據鏈網路,同時針數據鏈傳輸信息的時間延遲和指揮機指揮下的多機協同作戰點,應用一種極坐標系下的卡爾曼濾波演算法該傳輸延遲誤差進行補償,並在此基礎上進行目標動參數的換,以獲得目標于某無人機的當前動信息,且利用模擬驗證了方法的有效
  4. Moreover, this paper discusses the feasibility of option pricing theory by adopting cases. on the one hand, it admits this method plays a key role in the realization of " debt - in - lieu - of - equity " of state - owned enterprises and appraising the value of potential earning - capacity ; on the other hand, it illustrates the application of option pricing theory in appraisal is still immature. for it can not meet the prerequisite of the theory ; its result will not be generally accepted and the quality of appraisal staff are relatively lower, this method is not applicable to business valuation aiming at equity alteration. thus it should not be regarded as a brand - new appraisal method to be promot ed in the short run. in the finial the thesis forms its conclusion on method application of superseding cost method gradually. generalizing the use of income method and developing the sense of using option pricing method

    由於成本法所固有的局限,無法評估出資產組配成具有獲利能力的整體資產的創造價值,因此注重企業獲利能力的收益法已成為軌時期中國評估業的現實選擇,並進一步收益法的起源、方法點和適用進行了深入的分析;用理分析與案例分析結合的方法收益法發展的新階段? ?期權定價法應用於企業價值評估的可行進行了研究,肯定了這一方法國企實現「債股」和評估高新技術企業潛在獲利能力價值的重大意義,同時此方法應用於企業價值評估不滿足前提條件、評估結果的可接受、及評估人員素質等方面說明了這一方法在資產評估領域的應用尚不成熟,尤其不適用於產權變動為目的的企業價值評估,因而短期內不宜作為一種全新的評估方法推廣。
  5. Some practical method to lifting the rated capacity of vsc - hvdc is discussed. ( 4 ) the subsynchronous oscillation ( sso ) characteristics of a synchronous machine connected to a static var compensator is studied with the complex torque coefficient method realized by time domain simulation, and some important conclusions are obtained which can guide the design and operation of svcs to avoid sso problem

    ( 4 )基於時域模擬實現的復矩系數法,與靜止無功補償器svc聯接的同步發電機組的次同步振蕩( sso )進行了深入的研究,得出了一些重要結論,可為svc的設計和行提供避免sso的依據。
  6. Based on the hydrodynamic, by using momentum theory to the liquid in the flow channel, the computational formula of the air exciting - vibration force is acquired. by using four - step runge - kutta method, the periodic response results of the elastic rotor system with one single - disc are gained. then the dynamic characteristics of the rotor system at the certain rotate speed and the certain physic parameter of system are analyzed by using the phase spaces and poincare maps of this system

    基於流體動力學,通過葉片流道內的流體模型應用動量定理,得到此汽流激振力模型,並採用四階龍格庫塔法,得出了單盤彈子系統的周期響應規律,然後根據系統的軌跡及poincare映射圖,分析了系統在速及定的子系統參數下的徵。
  7. Using the theories of probability, algebra and number theory comprehensively, we investigate a class of boolean functions with three - valued walsh spectrum in the first part of this dissertation : the properties of the extended semi - bent functions, which are constructed from any two bent functions, are studied, followed by the structure characteristics of the boolean functions satisfying propagation criterion with respect to all but two vectors ; the definition and cryptographic properties of k - order quasi - bent functions are proposed whose walsh spectrum takes on only three values. some sufficient and necessary conditions are offered to decide whether a boolean function is a k - order quasi - bent function ; a special method is presented to construct the k - order quasi - bent functions, whose cryptographic properties are explored by the matrix method, which is different from the method of walsh spectrum and that of autocorrelation of boolean functions ; the application of this kind of boolean functions in the fields of stream cipher, communications and block ciphers is discussed, which shows the great importance of the fc - order quasi - bent functions ; some methodology are proposed to construct the k - order quasi - bent functions, including the complete construction by using the characteristic matrices of boolean functions, and the recursive method by two known k - order quasi - bent functions we further extend our investigation to the ring zp, where p is a prime, and the similar results are presented as far as the p - valued quasi - generalized - bent functions are considered

    本文首先綜合用概率論、代數學、數論等基礎學科的理論知識,並以頻譜理論作為主要研究工具,一類譜值分佈均勻的函數? ?廣半bent函數、 k階擬bent函數和p值k階擬廣義bent函數進行了系統、深入的研究,給出了廣半bent函數定義,並探討了廣半bent函數的密碼學質;給出了k階擬bent函數和p值k階擬廣義bent函數的定義及等價判別條件;討論了k階擬bent函數和p值k階擬廣義bent函數與部分bent函數和p值廣義部分bent函數的關系,探討了它們的密碼學質;給出了k階擬bent函數和p值k階擬廣義bent函數的典型構造方法,並將k階擬bent函數的密碼質的研究化到一類殊的矩陣的研究上;利用布爾函數的徵矩陣原則上給出了k階擬bent函數的一種完全構造方法,還給出了從已有的p值k階擬廣義bent函數出發,遞歸構造變元個數更多的p值k階擬廣義bent函數的方法;初步探討了k階擬bent函數在序列密碼、分組密碼以及通信中的應用;給出了一類布爾函數walsh譜的分解式,並利用這類布爾函數的walsh譜分解式給出了一類近似穩定的布爾函數的構造,殊情形下為k階擬bent函數;利用代數數論的知識考察了p值k階擬廣義bent函數的譜徵,並給出了k階擬廣義bent函數與所有仿射函數的符合率徵等等。
  8. The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well

    產生946nm譜線的準三能級結構給出了較為完整的分析,利用激光諧振腔處于穩態時的速率方程,導出了準三能級nd : yag946nm起振時,透射損耗與最佳激光晶體長度的關系,在與1064nm透射損耗比較的基礎上,給出了不同的腔損耗情況下的最低鍍膜要求,並且給出了激光閾值、輸出功率和最佳激光晶體長度及泵光光斑大小的關系,這為設計室溫下高效的946nm激光器的提供了理論基礎,這種分析方法研究此類低增益,準三能級或三能級激光系統輸出有借鑒意義。
  9. During this paper, definition of the measure enter - cover - probability is given, andthree - dimension detection space are transformed to level detection circles on differentheights. aiming at the most normal situation of symmetric line, cross - to line and cross - awayline taken by the carrier, probablely - enter - cover - target - distribution are analysed in relativemovement method on the premise that targets fly perpendicular to the flying direction of thecarrier. mont - cario method is used to simulate uniformly - distributed - targets situation and getthe measure, and results are used to analyse the influence of line - landscape - orientation - ratio, line - portrait - ratio, and speed - ratio on the measure. for further research, influences of height and blind space are also discussed on base ofradar level detection range, and situations of non - uniformly - distributed targets are alsoresearched

    為了分析主動探測空間動態能,本文首先提出以「目標進入雷達覆蓋區概率」 (簡稱為「覆蓋率」 )作為評價指標;然後將三維探測空間換為不同高度層應的水平探測圓,針載機採用雙平行航線、交叉向航線和交叉同向航線的最一般情形,採用動的方法,分析目標垂直入侵時可能進入雷達覆蓋區的目標分佈情況;再用蒙卡洛法進行模擬計算,分析並比較目標服從均勻分佈時航線橫比、航線縱比及速度比能的影響。
  10. The aim of this paper is to relate structural inherent characteristic with exterior excitation, to wield experimental mode analysis technique and structure intension theory in order to separate structural leading mode under practical work state on base of spectrum analysis of exterior excitation and identification each rank mode parameter of structure. sequentially, the issue of space complex stress state in effect of static and dynamic coupling transforms into the issue of simple stress state ( under mode form ) in reciprocal effect of each rank mode in order to analyze structural dynamical intensity

    將結構本身的固有和外部激勵聯系在一起,用實驗模態分析技術和結構強度理論,在外部激勵進行譜分析和識別出結構各階模態參數的基礎上,分離出實際工作狀態下結構的主導模態,從而將一靜動耦合力作用下的空間復雜應力狀態問題化為各階模態互作用下的簡單應力狀態(模態形態下)問題進行結構動強度分析。
  11. However there was little knowledge about the function of atdofl. 7, especially to stomatal movement. we constructed plant expression vector driven by camv35s promoter and obtained tl transgenic tobaccos

    為了深入理解調控氣孔動的分子機制,除了保衛細胞表達啟動子進行研究外,還與氣孔關的錄因子進行了研究。
  12. By using for reference, in theory, simply introduced the basic working principle of the secondary adjusting hydrostatic transmission system, the basic controlling rules of secondary regulation, and the most radical controlling rules such as rotational speed, torque control and power control etc. by analyzing theory and studying, check - uping the motion parts of secondary element and constructing the control system ; and setting up the topmost rotational speed control system ; designing and completing the software of date processing and system control

    通過參考關的資料,從理論上介紹了二次調節靜液傳動系統原理,二次調節系統的基本控制規律,簡要介紹了最基本控制規律如:速控制、扭矩控制和恆功率控制等。在理論分析和研究的同時,二次元件的動部件的檢測和控制系統進行構建;組建了二次元件最高速控制系統;設計並完成了數據採集和系統控制軟體;同時,二次元件控制系統和制動採用pid控制進行計算機模擬研究。
  13. This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.

    採用磁場定向脈寬調制演算法,提高了電源利用率,降低了逆變電壓的諧波,改善了電機的,降低了電網的污染;在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調制控制系統的數學模型,在模擬的基礎上,傳統pid調節器進行了改進,提出速調節器和電流調節器採用分段pid結構,根據給定速所處的區間,自動選擇應pid調節器的參數,拓寬了調速范圍,提高了控制精度。
  14. However domestic unmature security marbet restrict amc ' s free shares transfer. my opinion is to improve and regulate by law in the course of d - to e. firstly, it is necessary to grasp d to e principle accuratly and construct strict qualification system, secondly, it is important to guarantee amc to enterprise system can keep amc ' s as shareholder control of d to e enterprise, and improve continuously amc ' s management level and efficiency. it is necessary to make special regulation about the duration periods and vavle of amc ' s egutity in legislation to sustain amc benefit, moreover, 13 to e also coordinate with state - owned ' s out - strategy and adjust ownership through social and. private cash input, these also help solve the problem of uvclear state - owned ownership entity ; at the same time, it is necessary to improve security market to widen the ways of share transfer, to be outward transfer as main transfer way, to cultivate institutional investor and reform equity system ; at last it is important to difine correctly bovernment ' s role and play its role. government should be in the nationwide view to organize, coordinate balance support regulate to guarantee d to e ' s performance

    筆者認為,債股實施過程中,應依照法律規范予以完善和制約,首先應準確把握其操作原則,別注意嚴格把好債股的準入關;其次,切實發揮金融資產管理公司的職能作用,促使企業換經營機制建立現代企業制度,要確保金融資產管理公司作為股東股企業的最終控制權,不斷提高金融資產管理公司的作水平和效率,並且在立法上股中的股權的存續和價值的保護進行別規定,以維護金融資產管理公司的合法權益;再者,債股還要與國有經濟的戰略退出結合,進行必要的產權結構調整,通過引入社會資金、民營資本等其他成分徹底解決國企產權主體虛位和產權不明晰的現象;同時,要完善資本市場,積極拓寬股權的退出通道,把讓作為股權的主要退士方式,培育機構投資者,改革股權制度;最
  15. Secondly, the dynamic features, surplus torque and loading gradient features of ptss are analyzed by the couple model between the rudder and the eals. it can be concluded that the surplus torque is related directly to the velocity of the rudder, and the loading gradient is the disturbing inverse ratio from the surplus torque to the closed - loop model, which shows the scaling relationship between the input and the disturbance signal act on the eals. it also can be concluded that, under the same dynamic specification, it is more difficult to realize the small loading gradient

    然後,採取把系統模型化為舵機和負載模擬器互耦合作用的形式,被動式力矩伺服系統動態、多餘力矩和加載梯度一一進行理論分析,得出:多餘力矩與舵機動速度直接關;加載梯度是在系統閉環模型中,與多餘力矩關部分模型幅值大小成反比的系數,體現了被動式力矩伺服系統的指令信號和擾動信號之間的比值關系,從而在同的動態指標下,小加載梯度實現更為困難。
  16. The urban spatial structure in this paper is the inner one of a city, is the spatial reflection of the mankind ' s various social economic activities and the function organization of the particular city region, it includes the structure of land use, the spatial structure of economy, the spatial distribute of the population, the spatial structure of employment, the transportation network structure, social spatial structure, the spatial structure of living activities, etc. by field survey of 1134 land - value samples of urban region of siping, based on the correlative theories of the regional economics, economic geography, urban geography and urban economics, adopted the gis and the quantitative and qualitative methods, this article analyzes the character and problems of the spatial structure of siping city during the transitional phase from temporal and spatial factors, discusses the influences of the land - value on the urban spatial structure from temporal, spatial and structural dimension, put forwards the countermeasures that optimizes the spatial structure under the constraint of land - value

    本文所指的城市空間結構為城市內部的空間結構,是人類的各種社會經濟活動和功能組織在定城市地域上的空間投影,包括土地利用結構、經濟空間結構、人口空間分佈、就業空間結構、交通網路結構、社會空間結構、生活活動空間結構等。本文通過四平市城區1134個地價樣點數據的實地調查,在綜合用區域經濟學、經濟地理學、城市地理學、城市經濟學等關學科理論的基礎上,採用gis ,用定與定量結合的方法,從時間、空間兩個序列分析了型期四平城市空間結構徵和存在問題,並從地價的時間、空間和構成等三方面探討了型期四平市地價城市空間結構的影響,提出了地價約束條件下優化四平城市空間結構的策。
  17. This paper takes hj - 1b satellite and onboard infrared camera scanning mirror as research objects. the influences on respective motion performance caused by the dynamic interactions between them are evaluated. the emphasis is put on the influence of satellite platform ' s attitude motion upon infrared camera scanning mirror ' s continuous scanning motion

    本文以hj - 1b衛星和其上的紅外機掃描鏡為研究象,分析兩者之間的動力學耦合各自的影響情況,並著重分析了衛星平臺姿態振動紅外機掃描機構動的影響。
  18. In this paper, the method composing the characteristics of methods of critical success factors, strategy set transformation and business system planning is put forward for the appraisal of programming content of enterprise ' s informatization construction. in this method, critical success factors can hold the crucial factors of enterprise informatization construction, strategy set transformation can comprehensively consider informatization construction factors, and business system planning is independent with the business process. the method of analytic hierarchy process is advanced to appraise the programming steps of enterprise informatization construction, and the corresponding multilevel structure model and judgement matrixes are advanced

    本文針目前企業信息化建設中普遍存在的信息化整體規劃差,各部門各自為政的現象,提出了用關鍵成功因素法、戰略目標集化法和企業系統規劃法結合的方式進行企業信息化規劃內容的評價的方法,充分利用了關鍵成功因素法抓住關鍵因素、戰略目標集化法全面規劃、企業系統規劃法與企業業務過程獨立的點,進行了企業信息化規劃內容的綜合評價;利用定與定量結合的層次分析法( ahp )企業信息化規劃的步驟進行了評價,建立了應的多級遞階結構模型和判斷矩陣。
  19. The problem has been studied from two sides, firstly, from the viewpoint of applicability, based on the development strategic objectives of the oil company, with the aim to unify the exploration and extraction decisions of the resources in an integrated framework, and integrate the macro economic and technical objectives with micro economic and technical models of an oil well, an integrated non - linear dynamic optimal control model has been constructed, the objective is the benefit maximum of the exploration and extraction of the resources, and the optimal strategies are obtained by changing the problem into a non - linear mathematical programming problem, on the other hand, from the more macro level, based on the analysis of the characteristics of the exploration and extraction activities of oil and gas resources, a conclusion is easily deduced that the procedure is full of randomicity, then discovering procedure of oil deposit is proved to be a poisson process, and the reserves process is a supermartingale process, so the model of exploration discovery rate and the reserves model could be constructed

    本文從兩個側面此問題進行了研究,首先從實用出發,以公司層次的戰略規劃目標為基礎,將勘探階段與開發階段的工程技術及經濟方面的決策整合在一個模型框架內,同時將宏觀層次的經濟技術目標與單個油氣井生產的微觀技術經濟模型結合,以油氣資源勘探與開發的經營效益最大化為目標,建立了一個非線確定型綜合動態優化模型,通過將原非線最優控制問題化為一非線數學規劃問題進行了求解。其次從更宏觀的層次上,通過油氣資源勘探與開發的點分析,認為具有很強的隨機,證明了勘探活動發現油氣藏的過程為一泊松過程,所發現的油氣藏儲量為一上鞅過程,在此基礎上,建立了油氣藏勘探發現率模型及儲量模型,在油氣價格服從幾何布朗動條件下,以油氣開採收益最大化為目標,建立了一個油氣資源勘探與開發的隨機最優控制模型,採用動態規劃方法得到了值函數的hjb方程,並針方程的點,以及方程及其變量所應的經濟學意義,最優策略的求解進行了一些討論。
  20. The steady state and transient characteristics of the aceg system are simulated, the harmonics of the emf and stator current and rotor current as well as mc ' s input current are researched. the operation characteristics of aceg with mc as an exciter are compared to those of aceg with ac - dc - ac converter and cycloconverter as an exciter. the results in this thesis will be helpful to the design of the aceg excitation control system

    利用所建模型,交流勵磁發電機系統的穩態調節、暫態進行了模擬研究;模擬研究了發電機定、子電流和感應電勢及變頻器輸入電流波形,並作了應的諧波分析;與交-直-交變頻器和交-交變頻器作勵磁電源時發電機的進行了比分析。
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