stationary phase method 中文意思是什麼

stationary phase method 解釋
穩相法
  • stationary : adj. 不動的，靜止的，不變的；不增不減的，固定的，裝定的。n. 1. 不動的人，固定物。2. 〈pl. 〉駐軍。n. -ariness
  • phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. So anew type of measurement and instrumentation is badly needed and developed which is suitable for non - centralized and stationary measurement based on this idea, this study take the new type of oilavater two - phase flow measurement and instrumentation development as the basic goal, cany out some theoretic exploration of measurement in order to improve oil / water two - phase flow well logging method and technique, and try to accomplish bom holdup and total flow rate measurement with one equipment simultaneously so as to push forward development of oilavater two - phase flow well logging

    本文正是基於這一思想，以開發新的油水兩相流測試儀器為目標，進行先期的測量理論探索，試圖從原理上改進油水兩相流測井方法和工藝，實現利用同種電學敏感原理同時完成持率和總流量的測量，推動油水兩相流測井技術的發展。
  2. Base on helmholtz integral equation, the incoherent scattering of plane wave from rough cone - shaped surface is derived with the far field theory and stationary phase method. and the incoherent scattering of plane wave from rough conical surface is also derived with shadowing function when the the radius of principal

    最後計算並分析了入射光為= 0 . 48 m時，粗糙錐面的平面波散射特性，考察了入射波和散射波的幾何關系，偏振態以及粗糙面統計參量等對散射強度的影響。
  3. On the aspect of the research of the rcs computation methods, this dissertation did many work as : it discussed the application of the stationary phase method for the integral of the physical optics and gave the expressions of the stationary phase method based bezier surface for the perfect conduct and coated target ; focused on the application of the stationary phase method, it discussed some important techniques such as the searching of the stationary phase method and the handling of the singularity ; it also discuss the application of the gauss method for verifying the correction of the stationary phase method, and gave their compares of the efficiency and the precision

    在rcs演算法研究方面，本文做了以下研究：討論了在bezier曲面上物理光學積分的駐相法求解，給出了bezier曲面上理想導體和塗敷目標駐相公式；圍繞駐相法的應用，討論了駐相法應用中的一些關鍵的技術問題，包括駐相點的搜索、駐相法的奇異性；為了檢驗駐相法的精度，還討論了gauss積分的應用，給出了兩種方法計算效率和精度的比較。
  4. Stationary phase method shows that by using information along the ridge defined by the phase on transformed domain, original signal could be represented and reconstructed

    利用穩定位相法的近似公式分析可知，脊上分佈參數包含的信息與信號瞬時頻率變化規律密切相關，並且可以用來對信號進行重建。
  5. A generalized high order screen extrapolator of double square root ( dsr ) equation is derived from the non - stationary phase shift formula of wavefield continuation, thus a new prestack depth migration method in the cmp - offset domain is proposed

    在波場延拓方面，從非穩態相移公式出發，推導出廣義高階屏雙平方根波場延拓公式，從而得出了一種新的共中心點-炮檢距域疊前深度偏移方法。
  6. Substituting the above mod al reactions ( moments ) and excitation forces into the shell ' s modal vibration equations, the shell ' s radial modal velocity are obtained from which the far - field sound pressure derived by stationary phase method can be calculated

    將以上各項荷載和激勵力代入殼體的模態運動方程，可求得殼體的模態徑向速度，然後由穩相法得到遠場聲壓的解析解。
  7. In view of the non stationary feature of the pressure difference fluctuation signal in the gas - liquid two phase flow, a flow pattern identification method was proposed based on the characteristic vector from the singular value of the matrix formed by the multi dimensional continuous wavelet transform values of the fluctuation signal

    摘要針對氣液兩相流壓差波動信號的非平穩特徵，提出了以多尺度連續小波變換值矩陣的奇異值為特徵矢量的流型識別方法。
  8. On the aspect of the design of the rcs integrative software, the following had been completed : based the technology of the opengl, it completed a interface program with the display, modification and transform of the models ; it gave the concept of the shelter of the complex target and completed module that can handle the shelter of the target modeled with nurbs surface ; it completed the computation module include stationary phase method and gauss method based the research of the rcs computation method

    在軟體設計方面做了以下研究：在opengl的基礎上完成了對nurbs模型能夠進行顯示、修改、變換的界面程序；給出了復雜目標的遮擋處理概念，並完成了能處理nurbs模型遮擋的模塊；在演算法的基礎上完成了包括駐相法和gauss積分法的計算模塊。
  9. A new stationary phase which contains pd for chromatographic column was afforded to analyze the helium component, with tcd gas chromatography method

    針對上述問題，研製了一種新的色譜柱固定相，用於色譜法分析氫中氦組分。
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