表達式變換 的英文怎麼說

中文拼音 [biǎodáshìbiànhuàn]
表達式變換 英文
expression conversion
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 達 : Ⅰ動詞1 （暢通） extend 2 （達到） reach; attain; amount to 3 （通曉; 明白） understand thoroughly...
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 表達 : deliver; express; show; voice; convey; communicate
  1. The fourier transform is an integral expression for a fourier series applied to an infinitely long signal.

    傅里葉變換式是對博里葉級數的一種積分表達式。
  2. The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically

    分析了計及剪切變形和轉動慣性的有限長正交異性圓柱殼中彈性瞬態波的傳播問題，採用回傳矩陣法，在相空間中給出了位移和內力的表達式。再利用laplace逆變換，得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解，然後將其分解為若干廣義射線積分之和，並用數值方法求解之。
  3. In this paper, i consider the traveling wave solutions and peakons of the generalized camassa - holm ( gch ) equation and give the express of the solitons of this equation. the peakons and their figures of the gch equation are given with the mathematic software for m - 1, m = 2 and m = 3 in particular ; for m = 3, i get the generalized dissipative camassa - holm equations by adding a dissipative term and find two types exact traveling wave solutions of this equations. i also apply the homogeneous balance method into the gch equation so that i get a group of smooth solutions for m = 2 and m = 3 and the backlund transformation for m - 3 of the gch equation

    本文研究廣義camassa - holm （ gch ）方程的行波孤立子解及尖峰孤立子解，給出gch方程的行波孤立子解的表達式，特別的，對m = 1 、 m = 2 、 m = 3時利用mathematica數學軟體進行計算，解出了gch方程的尖峰孤立子解，並給出了此時gch方程的尖峰孤立子解的圖形，使數值分析和理論相結合；對m = 3時的gch方程增加一耗散項u _ （ xx ）后得到廣義耗散camassa - holm方程，並解出此方程的兩類精確行波解；本文將齊次平衡法應用到gch方程中，解出m = 2 、 m = 3時的gch方程的一組光滑解，同時應用此方法得到了m = 3時的gch方程的backlund變換。
  4. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點，將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區，並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點，提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上，對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析，提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式，得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解，並與實測資料吻合較好
  5. And by far, most theories of wavelet analysis are established in, but this method is rare to be known and exists defects in the reproducing kernel space with good properties. then in the reproducing kernel space, isometric isomorphism of relation is founded between and by differential operator. and starting from the haar basis, multi - resolution analysis inis gived by folding method ; then multi - resolution analysis and orthonormal wavelet in are obtained through integral transform from to. then the reproducing kernel space can be expressed by wavelet spaces

    於是，在再生核空間中，利用積分運算元建立了空間與hilbert空間的等距同構關系；並且從haar小波出發，由折疊法實現的空間中多尺度分析通過積分變換得到中多尺度分析和正交小波，使得再生核空間可以由小波空間來刻劃；從而對空間中的函數，給出了小波逼近具體表達式和相應的采樣公式，形式簡單易於數值分析。
  6. Based on the above theory and methods, the main works of this thesis are lasted as follows : starting from the propagation law of partial coherent light and beam coherence - polarization ( bcp ) matrix approach, the properties of pgsm beams through both an axis - symmetric paraxial optical abcd system and an axis - unsymmetric one are studied. the analytical propagation equations of pgsm beams are derived, which enable us to study the propagation - induced polarization changes and irradiance distributions of pgsm beams through an axis - symmetric paraxial optical abcd system and an axis - unsymmetric one

    在此基礎上，本文進行的主要工作有：基於空間-時間域中互強度的傳輸理論和bcp矩陣處理方法，首次研究了pgsm光束通過對稱和非對稱abcd光學系統和光闌的傳輸變換特性，推導出了pgsm光束傳輸表達式，可以對pgsm光束偏振和光強的傳輸變化進行分析。
  7. Then we obtain the height and current of a storm moving along the seacoast at the continental shelf by using fourier transformation

    運用fourier變換及其反演變換求出了風暴潮潮高和風暴潮流的解析表達式。
  8. Formulas of inversion and cosine transform spectrum of gravity anomaly of sphere, infinite horizontal cylinder, infinite and finite stretched staircase were deduced

    推導出球體、無限長水平圓柱體、無限和有限延伸垂直臺階的重力異常餘弦變換譜及反演表達式。
  9. By taking l - s transform, we get the differential equation satisfied by the l - s transform of e ( u ) we also consider the special case in which 6 = 0 is assumed, and get an explicit expression of l - s transform in chapter three, we mainly consider the distribution of the surplus immediately before ruin

    通過對e _ （ u ）進行l - s變換，我們還進一步求出了l - s變換所滿足的微分方程最後考慮了0這種特殊情況，得到了l - s變換所滿足的一個顯式表達式；一夕舊d卜lz二氣宦、凰lj一一一一一屍2
  10. In the study of risk theory, a class of continuous time risk process with deficit - time geometry distribution of claim inter - occurrence time was made into a strong piecewise - deterministic markov process with the theory of piecewise - deterministic markov process and by introducing a supplementary variable. martingale approach is one of the most powerful methods of pdmp. the programming process is getting the ruin probability from the martingale construction. we use the idea of change of measure in the programming process and find the result and the function of adjustment coefficient

    本文應用逐段決定馬爾可夫過程理論及補充變量技巧，使索賠到達間隔服從虧時幾何分佈的連續時間風險過程成為齊次強馬爾可夫過程，然後利用pdmp中的鞅方法（用廣義生成運算元得出鞅）推導了鞅的形式，作為該風險模型索賠額分佈為一般分佈下的破產概率的一般表達式，其中用到了測度變換的思想。
  11. 14 che d. implementation issues of a deterministic transformationsystem for structured document query optimization. in proc

    相反，我們直接通過等價變換的方法得到優化后的xml查詢表達式並執行之。
  12. An approach to formalize and evaluate relational algebra operations by means of xdd is presented. a query is formalized as one or more xml clauses and evaluated by employment of equivalent transformation of xdd

    提出了根據關系代數表達式構造查詢子句的方法，關系代數表達式可以用若干個xml子句描述，並通過等價變換得到查詢結果，證明了該方法的正確性。
  13. This risk process is made into a homogeneous piecewise deterministic markov process by introducing supplementary components from forward markovization technique. then a martingale is found by the martingale approach of piecewise deterministic markov process ( pdmp ). the general expression and the lundberg bound of the ruin probability are derived subsequently. the idea of change of the probability measure and the adjustment coefficient are used to find the lundberg bound

    首先利用向前馬爾可夫技巧使此風險過程成為齊次馬爾可夫過程，然後利用逐段決定馬爾可夫過程（ pdmp ）中的鞅方法，得到本文風險模型中鞅的形式，繼而求得索賠額分佈為一般離散分佈的破產概率的一般表達式，並得到破產概率的lundberg界，這里用到了測度變換的思想，從中可以看出調節系數的重要作用。
  14. And the thickness of the overlay is achieved. the target of this paper is to set up connection between ndt and the methods. if flexibility of the overlay is measured, the thickness of it is gotten straightly through this connection

    然後將解析解的表達式經過一系列恆等變換，得到二維有限區域上二重積分的形式；進行二維fourier反變換，利用高斯積分編制計算程序，求出數值解，並以此為基礎通過目標優化得到加鋪層厚度。
  15. The screw thread shading network uses an expression and a ramp to displacement map only the threaded section of a screw

    螺紋材質網路使用一個表達式和一個漸變在只有螺紋部分做置換貼圖。
  16. Find all references to the temp and replace them with the right - hand side of the assignment

    找到所有引用這個變量的地方，並且將引用替換為這個變量賦值表達式的右邊部分。
  17. Textual substitution can get very messy when used in combination with other expressions

    文本替換在與其他表達式一起使用時，可能會變得非常混亂。
  18. Afterwards, the main subjects and research background of this essay are expatiated. aimed at target tracking under non - linear measurement, this paper extends two - dimension cmkf algorithms to three - dimension, uses canonical transform to obtain decoupled cmkf algorithm which makes the theoretical analysis for the algorithm easily

    針對非線性觀測下的目標跟蹤問題，首先將二維cmkf跟蹤演算法推廣到三維情況，然後基於正規變換技術提出了解耦的cmkf演算法，得到了正規變換矩陣的解析表達式，可以方便地對演算法進行理論分析。
  19. With the consideration of the vertical wave effect of soil and soil - pile interaction, an approximate analytical solution to vertical vibration of pile system with variable impedance in visco - elastic layered soil is developed. a simplified and practical mathematical model for interaction between soil layers is proposed, and its applicability is theoretically investigated. based on this model and by using laplace transforms and the transmit property of impedance function, the analytical expression of the impedance function and solutions of the displacement and velocity response function in frequency domain and in time domain at the pile head are derived

    4 、從三維軸對稱土模型出發，對考慮樁土耦合作用、土層層間聯系以及樁周土豎向應力梯度變化條件下的成層粘彈性土中完整樁及變阻抗樁系統縱向振動問題進行了研究，提出了成層土中變阻抗樁系統縱向振動問題的近似解析解法和樁周土層層間相互作用的簡化而實用的數學模型，並利用拉氏變換和阻抗函數的傳遞性，獲得了成層土中任意段變阻抗樁樁頂阻抗函數的解析表達式，以及樁頂速度導納和時域速度響應解析解和半解析解。
  20. We would use these expressions to fit experiment data to get a conductivity value. we have made a model of thermally uniaxial material to find the expression between the conductivity and principal conductivity. we have gained four expressions of conductivity in four special directions by transforming coordinates

    為了找到實驗擬合出的熱導率值與主熱導率的數量關系，我們建立了熱單軸材料的樣品模型，繼而用坐標變換的方法推導出四個特殊方向上的熱導率表達式。
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