步階函數 的英文怎麼說

中文拼音 [bùjiēhánshǔ]
步階函數 英文
stefunction
  • 步 : Ⅰ名詞1 （步度; 腳步） pace; step 2 （階段） stage; step 3 （地步; 境地） condition; situation; st...
  • 階 : 名詞1. （臺階） steps; stairs 2. （等級） rank 3. [醫學] （耳蝸的三個螺旋管的任一個） scala 4. [數學] order 5. [地質學] stage
  • 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
  • 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. If you are ambitious, try this alternative procedure: note that f'(x)involves the heaviside stepfunction.

    如果你有雄心的話，可以用另外步驟試之：注意f』（X）包含亥維塞階梯函數。
  2. If you are ambitious, try this alternative procedure : note that f ' ( x ) involves the heaviside stepfunction

    如果你有雄心的話，可以用另外步驟試之：注意f 』 （ x ）包含亥維塞階梯函數。
  3. On the view of customization theory, the method of information processing for customization is summarized : quality function development and product function architecture, then the need function development ( nfd ) as the design way of implementing sub - system of customization information dealing is proposed based on them. the configuration include three parts : transmission function, need function and developing function. the adapting four steps for implementing are proposed : the collection and classification stage of customization information, the analysis stage of customization information, matching stage and evaluating stage for producing

    尤其是從mc個性化理論出發，總結前人個性化信息處理方法：質量功能配置法和產品族構建法的基礎上，提出基於樹形的兩極需求功能配置法的框架：傳導函數、需求函西安理工大學碩士學位論文數、配置函數，作為個性化信息處理子系統的設計思路，並詳細闡明了該方法的四個實施步驟：個性化信息收集和分類階段、個性化需求分析階段、個性化需求信息配置階段、可製造性評價階段，指明了各個階段的方法在個性化信息處理子系統中的應用，為個性化信息處理于系統的實現奠定了基礎。
  4. 3. puts forward matrix function form of the decomposition - coordination step model for water resource ' s optimal distribution in this thesis. it makes the model more prolific

    3 、初步提出了灌區水資源優化調度分解?協調遞階模型的矩陣函數形式，這使得模型的內容更加豐富化。
  5. A necessary and sufficient condition with ergodic of 1 - order probability distribution function of stochastic process ( theorem 1 and corollary 1 ) and extended the general distribution theorem of stochastic variable under the case of weakly condition ( theorem2 ) are presented

    摘要提出了隨機過程一階概率分佈函數具有遍歷性的一個充分必要條件（定理1和推論1 ） ，並在較弱條件下，對一般的關于隨機變量函數分佈定理作了進一步的推廣（定理2 ） 。
  6. The integral method via a scaling and squaring algorithm with the pade approximation is presented. the three - stage lobatto iii a formula is applied to structural dynamic time history analysis. and the three - stage lobatto a formula to use hermite third order interpolations to solve interpolating middle input between two boundary points is present, which provides more accurate solutions

    提出了基於自適應變尺度pad函數逼近的精細積分方法；建立基於lobatto a一階代數微分方程邊界問題數值求解技術求解結構動力學問題的時程分析方法，提出了中間插值點hermite三次插值lobatto a數值逐步積分時程分析方法。
  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

    本文首先綜合運用概率論、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，對一類譜值分佈相對均勻的函數? ?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函數的密碼學性質；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性質；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，並將對k階擬bent函數的密碼性質的研究轉化到對一類特殊的矩陣的研究上；利用布爾函數的特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，特殊情形下為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函數的譜特徵，並給出了k階擬廣義bent函數與所有仿射函數的符合率特徵等等。
  8. In the end, we the find population distribution is approximately according with negative exponential function modal, that means the city population is in adolescent period

    進一步給出數學模型，指出重慶市的人口分布基本符合負指數函數分佈模式，城市還處于成長階段。
  9. The engendering source of traffic volumes and their general influential factors have been presented, and the situation of nowadays highway transportation has been discussed. according to the introduction of traffic distribution theory and classical assignment method, analysis of traffic flow path selection among cities and that of special influential factors for traffic flow on toll highways, initial analysis to the forming mechanism of traffic volume on road sections has been made, and a probability model for path selection has been set up with the maximum - utility theory and disaggregating model. detailed analysis to impedances on road sections and their functions ( especially to three main composing factors of the impedances as cost of time, transport and toll and to the functional relations with traffic loads ) was made, at the same time, the relative cost calculating model was set up on the basis of the state - of - art achievements in both international and national researches

    主要研究內容包括：交通量的產生根源及一般影響因素分析和當前公路運輸地位討論；從交通分配理論及經典配流方法著手，通過分析城市間交通流路徑選擇行為和收費公路路段交通量特殊影響因素，初步提出路段交通量的形成機理，並採用效用極大原理和非集結模型理論（ disaggregationmodel ） ，建立用戶出行路徑選擇概率模型；對路段阻抗及路阻函數（尤其對行程時間費用、車輛營運費用和道路收費這三個構成路段阻抗的主要因素及其與交通負荷間的函數關系）進行較為詳盡的分析，並以現階段國內外較為先進的研究成果為依據建立相應的成本測算模型，其中，特別提出了兩種確定客貨車輛時間價值的分析方法；離散分析法和時間-費率轉換法，後者是在目前基礎調查、統計數據資料不夠齊全的現實下提出的一種確定道路系統內務車型時間價值的較為實用的新方法；對我國公路收費政策的背景和理論、實踐依據及費率的各種影響因素進行重點分析；從數學的角度證明合理費率的存在性，並以最優化理論為基礎，建立在普通收費公路和擁擠路段交通調控型收費公路兩種模式下合理費率的計算模型等。
  10. The results of numerical experiments, using the four - dimensional variational data assimilation system of the nonhydrostatic mesoscale model mm5, show that : the tangent linear model and adjoint model conducted by keeping the " on - off " switches the same as the basic state, can provide a good approximation of the first - order information to the nlm perturbation and a good descent direction for the minimization procedure ; switching on and off at every other time step in the kuo cumulus parameterization scheme do n ' t impact the convergence rate of cost function ; the existence of the switches do n ' t impact improvement to the mm5 model rainfall prediction because that not only specific humidity, but also wind, temperature and pressure are assimilated into the model

    非靜力中尺度數值模式mm5的四維變分資料同化系統進行的數值試驗結果表明： 「開關」變量保持與基態一致，所構造的切向線性模式能夠提供關于非線性模式擾動的一階近似，伴隨模式所計算的梯度值能夠為最小化過程提供較好的下降方向；郭氏降水參數化方案中對流每隔一個積分步的交替發生並不影響目標函數最小化的收斂速度； 「開關」變量的存在也不影響將風、溫度、氣壓和比濕結合起來同化對mm5降水預報準確性的提高。
  11. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學元件的自行設計到理論分析計算，初步建立了一臺實驗系統；採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量，並模擬了相關參數對展寬比的影響，對實驗具有指導意義；評價了再生放大器和多通放大器的優缺點，對放大過程中通常忽略的放大自發輻射現象（ ase ）進行了分析，並提出了相應的解決方法；針對放大過程中出現的增益窄化和增益飽和現象，對輸入種子脈沖提出了一種新的分段頻率調制函數，實現了對增益窄化效應和增益飽和效應的共同抑制；提出了系統的材料（包括放大介質和光路中的普通介質）正是融合高階色散的來源。
  12. Aiming at the control feature of large ship, the authors designed a 2 - rank derivative multi - step neural network predictive model and the algorithm of the large delay ship ' s course, and presented a fuzzy control autopilot scheme based on the model with rbf neural network and fcmac controller, it solved problems of model online identification and controller online design in traditional adaptive control, so that the high precision output follow - up control of large ship with large delay and uncertain nonlinear features can be realized

    摘要針對大型船舶控制特性，設計了船舶航向的神經網路二階導數多步預測模型及其辨識和預測演算法，提出基於徑向基函數神經網路多步預測模型和模糊小腦模型關節神經網路控制器的大時滯船舶航向模糊控制自動舵方案，解決傳統自適應控制中模型的在線辨識和控制器的在線設計問題，以達到對具有大時滯、不確定非線性特性的大型船舶實現高精度輸出跟蹤控制。
  13. First, the methods and procedures of general three orders nonlinear identification are summarized and the results are frequency functions described by basic and high order spectral density functions and frequency response functions

    首先，系統總結了使用一般三階非線性模型辨識的方法和步驟。得到的結果是用基本的和高階的譜密度函數以及基本的和高階的頻率響應函數表示的頻率函數。
  14. This study introduces the energy consistent method ( ecm ), the ecm potential function, and the new formulae of vibrational force constants which are proposed by weiguo sun and hao feng [ 45, 46 ] recently. the ecm is applied to study the diatomic potential functions for some electronic ground states and excited states of gif, ch, bh, xeo, laf, 7lid, na7li, narb and krb molecules. the ecm potentials are compared with the experimental based rkr ( rydberg - klein - rees ) potentials, ipa ( inverted - perturbation - approach ) potentials, analytical morse potentials, and hms ( huxley - murrell - sorbie ) potentials

    本文詳細地介紹了孫衛國和馮灝運用二階微擾理論所導出的高階振動力常數的求解公式、能量自洽法（ energyconsistentmethod - ecm ） 、 ecm勢能函數的定義以及用能量自洽法計算穩定雙原子分子體系勢能函數的具體步驟，並將ecm方法推廣應用於cif 、 ch 、 bh 、 xeo 、 laf 、 ~ 7lid 、 na ~ 7li 、 narb和krb等九種異核雙原子分子的十二個電子基態和激發態的勢能函數。
  15. The main innovations in this thesis are : ( 1 ) given the notions of mmdm, and argumentations of the approximation ability of the mmdm, ( 2 ) samples competition algorithm and its application to the estimation of the mmdm ' s parameters, ( 3 ) unsupervised segmentation of sar image by the mmdm, ( 4 ) segmentation criteria, ( 5 ) unsupervised sar image segmentation by combining the mmdm and the mar models, ( 6 ) the mar ' s order problems

    本論文的創新之處在於： （ 1 ）提出mmdm的概念，並論證了混合分佈模型的函數逼近能力； （ 2 ）給出了樣本競爭演算法並用於mmdm的參數估計上； （ 3 ）分別將mmgm和mmrm分別應用於sar圖像無監督分割上，並對不同分佈模型進行sar圖像分割的結果進行評判，給出了評判標準； （ 4 ）將mar模型與mmdm模型結合起來應用於sar圖像的無監督分割上； （ 5 ）初步解決了sar圖像的mar模型的定階問題。
  16. Basic index and reliability principle of steel structure, and geometric significance are analyzed. the main computation methods, such as two order moment method, separation function and separation item coefficient, linear separation, and central point, check point, monte - carlo are presented. reliability analysis under relative variable, boundary determination ( single and double boundaries ) is analyzed

    研究了鋼結構可靠度基本原理、可靠指標的幾何意義，分析了鋼結構可靠度計算的一次二階矩方法、分離函數和分項系數法、線性分離法，以及中心點法、驗算點法、蒙特卡羅（ monte - carlo ）法，提出了變量相關情況下的結構可靠度分析方法、可靠度界限分析方法（單側界限與雙側界限） ，基於極值分佈的可靠度分析，並對鋼結構動力可靠度分析方法進行了初步探討。
  17. Forth, this thesis also had made a preliminary discussion on the integrated guidance system of air - to - air missile beyond visual range air combat and made deep research on the midcourse guidance stage, thus we obtained an extremely useful conclusion.

    本文還對空空導彈超視距攻擊的復合制導體製做了一個初步的探討，並對其中的中制導階段進行了深入研究，得到了一個十分有用的結論:即中制導階段導彈發動機的最優推力方向實際上應該是關于時間的線性函數。
  18. In order to deduce the effects on dynamic performances, a method by using prediction filter is introduced. to minish overshoot subsection of input signal with exponent is adopted. these methods are proved by mathematic simulation

    針對動態高型控制方法使系統動態性能變差的問題，提出了利用預測濾波技術改善系統動態性能的方法，進一步提出了利用指數函數將階躍輸入信號分段以降低系統超調量的方法，並通過數學模擬驗證了這兩種方法的有效性。
  19. And it manages to illustrate the interrelations and dynamic law of economic variables as to consumption economy and analyze the policy instructions, the variables imply by means of the integrations of macro - and micro - analysis, positive and normative study and quantitative and qualitative analysis etc. other methods, such as econometric models, statistical analysis and comparative analysis, are also employed in the course of the research

    消費函數理論在我國的研究正處于起步階段，而將該理論系統地應用於我國農戶消費行為的分析更是鳳毛麟角。本文在對我國農戶消費行為特點分析的基礎上，提出分析農戶消費行為的一般理論框架，構建函數並檢驗之，研究選題本身就是具有開拓與創新價值的。
  20. In chapter 2, we study the further results on the properties of growth of solutions of one kind of higher order linear differential equations with entire coefficients, when there is one coefficient that is main dominating to the properties of the solutions, we obtain precise estimate of hyper - order of solutions of equations either homogeneous or non - homogeneous and relations between the solutions and functions with smaller growth

    本文研究了某些高階線性微分方程解的增長性問題。其中第二章研究了一類高階整函數系數微分方程解的增長性的進一步結果，當存在某個系數對方程的解的性質起主要支配作用時，得到了齊次與非齊次方程解的超級的精確估計及方程的解與小函數的關系。
分享友人
分享到 Line

分享到臉書