指數方程式 的英文怎麼說

中文拼音 [zhǐshǔfāngchéngshì]
指數方程式 英文
exponential equation
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  • 方程式 : capeta
  1. Static mathematic model of drum accommodation and control is presented, and instruction model control strategy of sample intervals is presented based on differences between characteristic equations of lifting frame and characteristic equations of top and bottom board change among the sampling spots, the rules of this method are few, simple, easy to operate and meet controlling demands

    給出了滾筒調控靜態學模型,並根據調高機構的調控特徵與采樣點間頂底板變化特徵的差異,給出了在其采樣區間內的控制策略,其法的規則條日少、簡單易運算、符合實際控制要求。
  2. By analyzing the production test data, we get the index production equation, bi nomial production, production degression equation and the single well control reserve

    通過分析該區的試采井資料,得到了產能、二項產能及油井產能遞減,同時計算了單井控制可采儲量。
  3. In chapter 2, a schrodinger formulation for paraxial light beam propagation of the real and comprehensive refractive indexes is represented. the equation for the atom laser beam wave - function is also given by a schrodinger equation, which is similar to the equation of the time - dependent system. therefore, it is possible to investigate the propagation of an atom laser beam

    第二章:本章介紹了傍軸光束在實折射率介質和復折射率介質中傳輸的schrdinger形理論,同時出由於原子激光的傳輸滿足schrdinger,與含時量子系統的傳輸類似,故利用含時量子系統的schrdinger形理論來研究原子激光的傳輸是可行的。
  4. Petroleum products. calculation of cetane index of middle - distillate fuels by the four - variable equation

    石油產品.用四個變量計算柴油燃料的十六烷
  5. Directed by wave theory of fractured media, the elastic parameters of eda medium are determined in the light of hudson - fractured theory, and christoffel equation gives the formula of the phase velocity of p - wave by which, effects of velocity on behalf of kinetic characteristic and reflection coefficient on behalf of dynamical characteristic form fractured density and azimuty is discussed

    本文以裂隙介質的波動理論作導,根據hudson裂隙理論,求出eda介質的彈性參。在此基礎上,應用christoffel求出的地震縱波相速度表達,探討了裂縫密度和裂隙位對代表波場運動學特徵的縱波速度和代表波場動力學特徵的反射系的影響。
  6. In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

    本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈,由此可知在涉外貿易這種以高投入、高風險著稱的行業里,如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此,正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析,這也是本文的主要研究內容。首先,統計學篇選取了深圳證券交易所行業分類?紡織服裝( ti )每一季度末的交易收盤價和若干種反映宏觀經濟變化的標,利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函等理論做實證分析,從而得知反映國內物價水平和國內外經濟景氣度的經濟標對紡織板塊上市值的沖擊比較明顯,且可知沖擊度和時滯度,進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著,從博弈論的角度具體分析一家紡織品出口公司( beauty )的外貿活動所面臨的各種經營風險,該篇從博弈擴展圖入手,分析了出口目的國審查與本企業出口策略之間的制度安排;並圍繞雙的利益分配,研究了有限回合和無限回合合作談判博弈,然後具體論述了國家責任和企業涉外經營風險等問題;在一定度上為了實現投資多元化來分散風險的目的,投資組合篇從經典的markowitz模型著手,在一些特定條件的限制下,給出了一個相應的投資組合模型。
  7. To air - condition temperature control system, in this paper, firstly, the mathematical model is established by using the differential equations method. though equations deducing to find the control object, which is the relationship between the rooms " temperature - time constants and control system ' s kinds of performance indexes, elucidate the effects of the big rooms " temperature - time constans to the control system. then combined with the requirements of air - condition craft to the control, it is proposed that the main question needed to be solved under the air - condition control system designing is its quickness

    本文首先針對空調溫度控制系統,建立學模型,採用微分法,通過公推導,找出空調控制對象? ?房間溫度時間常與系統各項性能標的關系,闡明房間溫度時間常大對控制系統的影響,再結合空調工藝對控制的要求,提出了對空調控制系統的設計應主要解決其快速性問題。
  8. The text firstly introduces the status of the program controlled exchange, and compares simulative exchange with digital exchange in the performance, and points out the developing direction of the future digital exchange

    本文結合課題首先介紹了控制交換機的發展狀況,對模擬交換機和字交換機進行了性能比較,並出未來字交換機的發展向。
  9. On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained

    推導了最佳陣元分佈,分別對陣元無向性和等加權時的最佳分散陣列? ?間隔陣列和採用廣義升餘弦加權的最佳分散陣列進行了分析,推導了天線向圖旁瓣包絡、波束寬度,干凈掃描區寬度的估計公,給出了近軸旁瓣電平與陣列參的關系。
  10. The paper proceeds from the transient equation for voltage and torque, analyze the electromechanic time constant of permanent - magnet dc servomotors based on the theory, and compare with the several testing methods which are used normal in the engineering, point out the difference and applying area also for the testing error which is led to possibly

    摘要為了準確評價伺服電動機的動態性能標,從電機的電壓、轉矩平衡出發,在理論上對永磁直流伺服電動機的時間常進行了分析探討,並對工實際中常用的幾種測試法進行分析和比較,出其差別和適用范圍以及可能造成的測試誤差。
  11. The paper begins with the reclaiming and using of the remaining heat during the process of yielding the oil and in the electricity plant to study the application of heat pump ' s technology in the oil field and electricity plant. this paper introduces the development and classification of the heat pump, the elementary principle, evaluable target and the p - h chart of the mechanism compressive heat pump ; it points out the necessity to design the computer program of refrigeration medium ' s thermal character, offers the elementary equation, calculating formula, calculating method and the program frame to calculate the refrigeration medium ' s thermal character

    本文介紹了熱泵的發展、分類,機械壓縮熱泵的基本原理、評價標及常用的p - h圖;出了設計製冷劑的熱力性質計算機序的必要性,給出計算製冷劑熱力性質的基本、計算公、計算法及序框圖,編制了9種常用製冷劑性能參計算序,可直接用於熱泵系統cop及per值的計算。
  12. Based on the geophone vibration formula, this paper presents the affective factors to the seismic data from high resolution geophone arrays and its main property specifications, such as natural frequency, damping coefficient, sensitivity, harmonic distortion, and alias

    為此,從檢波器的振動出發,對高解析度地震檢波器性能標(如自頻率、阻尼系、靈敏度、諧波失真、假頻等)以及檢波器組合的連接對地震資料品質的影響進行了分析。
  13. By using cobb - douglas production function model and solow ' s growth equation, this paper computes and analyses the effect of technological progress on shunde ' s economic growth since 1990s, summarizes the characters and defects of shunde ' s technical development and points out technological progress become the vital factor and high - tech industry largely promote its progress

    本文運用柯佈道格拉斯生產函模型和索洛增長速度,對順德90年代以來技術進步及其對經濟發展的貢獻進行實證分析,出技術進步已成為順德經濟發展的主要動力,概括了順德技術進步的特點及存在問題,認為順德高新技術產業的快速發展是發揮技術進步作用的重要原因。
  14. 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、主要特性及其應用,從四能級速率出發,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,並簡述了激光器的工作原理、結構型和倍頻法;其次,以空間相關的速率為基礎,提出了ld端面泵浦nd : yag激光器的設計法,給出了一定泵浦耦合下,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,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;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運轉;最後,根據泵浦光焦斑端面位置對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 。
  15. This paper improved these methods based on the requirements 0 there are two methods for conventional orbital control : one is algebra method which deals with the problems by optimization based on orbit geometry characteristics the first method is applied when we adopt impulsive control, but in the multiobjective cases the method has its limitation

    傳統的軌道控制一般基於兩種法,一種是代優化法,這種法與衛星的軌道幾何特性相結合進行分析,將軌道的幾何特性和優化標用代的形表示出來進行求解,這種法主要用於沖量控制。
  16. The gap element method is proposed in the paper for two kinds of problems, which include contact problem and gap joint problem. elasticity contact problem falls into the category of unknown boundary value problems. it follows that the contact area and contact conditions or states ( st

    文中給出了間隙元法在空間可動部件接觸問題中的應用,推導了其幾何邊界條件和力學邊界條件,利用虛功原理推導了含間隙元彈性接觸問題的有限元,給出了其值解法的迭代步驟,並出了利用間隙單元進行分析的特點。
  17. Firstly, the equilibrium solution is global asymptotic stability and exponential stability on l2 [ 0, l ] under neumann and dirichlet boundary control conditions, control inputs for choosing the boundary control is bounded in lx, the equilibrium solutions decay to zero and integrating the solution square in [ 0, 1 ], it decays to zero exponentially, by using nonlinear boundary control conditions and input feedback control method

    首先,採用非線性邊界條件輸入反饋控制法,研究得到該類在neumann和dirichlet邊界控制條件下的平衡解在l _ 2 [ 0 , 1 ]上是全局漸近穩定和穩定的、在所選邊界控制下控制輸入是l _有界的、平衡解隨時間衰減到零以及平衡解的平在[ 0 , 1 ]上的積分按衰減到零。
  18. The water turbine regulation system is a complicate auto - controlling system, it ' s small fluctuation dynamic course means : when the water turbine regulation system is interfered by tiny disturbance of load or command signal, the change of different parameters in the system is less, we can thought they are subtle change near by the discussing conditions, so we can make each tache in the system linearization, that is, describe the dynamic specialty of each tache and the whole system by means of linear differential equation

    水輪機調節系統是一個復雜的自動控制系統,其小波動過渡過水輪機調節系統在受到微小的干擾(負荷或令信號擾動)時,系統中各參的變化都較小,可以認為是在所討論工況點附近作微小變化,則可將調節系統各環節加以線性化,用線性微分來描述各環節及整個系統的動態特性。
  19. When one of the six parameters is not equal to zero, the wavelet are nonseparable

    當尺度函的符號中含有因子(略)的冪越高時,尺度函越光滑。
  20. The main work and contributions as follow : firstly, we researched the structure and electric parameters of the combined automobile relays carefully, put forward the test methods and designed the test circuits of these parameters. owing to good plans, the automatic testing system based on virtual instrument was realized - successfully. secondly, it was described in the dissertation that the structure and components of the virtual instrument system dealing with the combined automobile relays based on pci and gpib

    本文的主要工作及成果如下:深入研究了組合汽車繼電器的結構及其電參特性;提出各項電參的測量法並設計了測試電路;實現了基於pci和gpib混合總線的組合汽車繼電器虛擬儀器自動測試系統,並討論了測試系統的硬體組成結構及各種儀器設備的具體性能、技術標及控制特性等。
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