inverse method 中文意思是什麼

inverse method 解釋
倒求
  • inverse : adj 相反的；逆的；翻轉的，倒轉的。 an inverse network 倒置（電）網路。 inverse time 逆時，反時。 ...
  • 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. The numerical method for the inverse problem of second - dimensional advection - dispersion - reaction equations is discussed in the article

    摘要討論了一類二維對流反應擴散方程反問題的數值解法。
  2. Firstly, chromatism analysis and wavelet transform are used for color image compression coding. in this method, one of the three color components of a color image ( for example the g component of a rgb color image ) is coded using wavelet transform, and the chromatism between g and other two color components rg = r - g, bg = b - g is coded respectively using chromatism analysis. during decoding, g ~ is first reconstructed using wavelet inverse transform and inverse quantisation, and rg, bg are reconstructed using chromatism analysis inverse transform ; then r, b are calculated by r = g + rg and b = g + bg respectively

    其一是應用色差分析和小波變換對彩色圖象進行壓縮編碼，該方法是對彩色圖象的三個色彩分量之一，如rgb圖象的g進行小波變換編碼，而對g與另兩個色彩分量的差值（即rg = r - g和bg = b - g ）進行色差分析編碼，解碼則是通過反量化和小波逆變換得到g ^ ，通過色差分析的逆變換得到兩個重構的色差rg ^和bg ^ ，再算出r ^ = g ^ + rg ^ 、 b ^ = g ^ + bg ^ ，最後由r ^ 、 g ^ 、 b ^重構圖象。
  3. Sequentially, the author discussed the technologies of medical image 3d visualization according to the clinical applications. with the development of computer, 3d visualization and computer graphics, the 3d visualization of medical images has progressed from fourier transform and convolve inverse projection to mpr ( multi - planar reformation, mpr ) and mtp ( maximum intensity projection, mtp ), nowadays, the real 3d reconstruction method, surface and volume rendering has risen. the image registering, image segmentation, pixel data set construction and 3d special interpolation are the key technologies in medical images 3d reconstruction

    隨著計算機技術、三維可視化理論和計算機圖形學的發展，醫學圖像的三維可視化技術也從傅立葉變換、卷積反投影等基本圖像處理演算法，發展到真正的三維重建演算法：面繪制和體繪制；醫學圖像的三維可視化技術的應用也從三維醫學成像發展到虛擬內窺鏡，以及今天的虛擬可視化人體研究；而圖像的配準、圖像分割、體數據集的構建、三維空間插值則是醫學圖像三維可視化實現過程中的關鍵技術環節。
  4. Application improved field elimination method to inverse problem of electromagnetics

    應用於電磁場逆問題中的改進區域消除法
  5. ( 4 ) on the efficient method for the dynamical core of the new generation multi - scale forecasting model i ) we present a new multi - level sparse approximate inverse preconditnioner for the complicated 3 - d helmholtz equations in the new generation weather forecasting model. as a result, the new sparse approximate inverse preconditioned gcr and gmres algorithms are given and successfully applied in the dynamical core. numerical tests show that the new algorithms perform very efficiently, and can greatly improve the efficiency of numerical model

    對此，本文提出了一種基於逐層門限技術的近似逆矩陣稀疏模式預選方法，並構造了相應的稀疏近似逆預條件子，結合gcr演算法和g州[ r衛s演算法，首次將逐層門限稀疏近似逆預條件子應用於新一代多尺度預報模式動力內核的實際計算，數值實驗表明這里給出的方法可以大大提高數值模式的計算效率。
  6. Due to complex and varied geological conditions for 4 headrace tunnels at zipingpu project, real time monitoring technique was used during informatization construction according to new austrian tunneling method, system observation for typical sections was conducted by following in - situ construction, based on which inverse analysis for rock mechanics parameters was conducted

    針對紫坪鋪工程4條引水發電隧洞復雜多變的地質條件，採用新奧法隧洞信息化施工中倡導的實時動態監測技術，跟蹤現場施工進行了典型斷面的系統觀測，在此基礎上進行了圍巖宏觀力學參數的反分析研究。
  7. In this paper, the inverse operator method ( iom ) is described, which has been developed in the past decade. this paper introduces the basic thought of method, steps as well as crucial technology

    本文詳細介紹了近年來發展起來的逆算符理論，闡述了逆算符方法的基本思想，步驟以及關鍵技術。
  8. The inverse kinematics of a space - based manipulator composed of three rigid bodies with prismatic joint are studied in the second chapter, and the jacobean matrix for space manipulator is derived by fully cartesian coordinates. a control method for space manipulator based on the resolved motion rate control concept is proposed

    為此結合系統動量及動量矩守恆關系導出了以完全笛卡爾坐標表示的系統運動jacobi矩陣，並在此基礎上研究了帶滑移鉸空間機械臂的分解運動速度控制方法，給出了計算機數值模擬算例，以此證明了該方法的有效性。
  9. It is demonstrated by simulations that the control method is efficient and the fully cartesian coordinates is practically efficient. then the inverse kinematics of dual free flying space manipulator are mainly discussed in the third chapter, and the jacobean matrix for dual manipulator space robot is derived by fully cartesian coordinates, a control method for space manipulator based on the resolved motion rate control concept is proposed. then, the computer simulation verifies the effectiveness of the algorithm

    首先，分析了閉環雙臂空間機器人捕捉目標物體時的運動學關系，給出了以完全笛卡爾坐標表示的系統運動jacobi關系；然後，以此為基礎研究了空間機器人雙臂協調操作的分解運動速度控制方法和協調操作問題；最後應用matlab語言對平面雙臂空間機器人系統進行了計算機模擬、模擬，模擬運算證實了上述方法的有效性。
  10. Based on the equilibrium equation, the states of self - stress and the modes of inextensional mechanisms are solved by the singular value decomposition method. and the equilibrium equation can be solved by the generalized inverse method. the force density method is proposed

    在建立空間桿件體系平衡方程的基礎上，採用廣義逆方法求解各種情況下的平衡方程，採用奇異值分解方法求解索桿的機構位移模態和自應力模態，並推導了力密度方法的基本公式。
  11. The approach maintains the simplicity of the original algorithm, and carry out perfect model following. the pseudo - inverse method is concerned with distributing the deflection commands of multiple control surfaces of the aircraft to generate required control responses when the number of independent control surfaces is greater than the number of required independent control responses

    偽逆演算法通過改變反饋增益來實現故障系統的控制律重構，當一個操縱面發生故障后，可改變控制律重新分配控制指令，利用其它操縱面來實現它的功能，近代先進飛機多採用此方法來提高飛機的容錯能力。
  12. Study on application of pseudo - inverse method for self - repairing flight control system

    偽逆法在自修復飛行控制中的應用研究
  13. Generalized inverse method for underground structure load

    地下結構荷載的廣義反演方法
  14. For researching the flight test techniques of thrust vector controlled aircraft, dynamic models of thrust vector controlled aircraft were established, four post stall maneuver control laws were designed with the dynamic inverse method, tested and investigated according to a standard evaluation maneuver set ( stems )

    摘要為研究推力矢量飛機的試飛技術，建立了推力矢量飛機的動力學模型，用動態逆方法設計了4種過失速機動控制律，並在地面飛行模擬器上參考標準評估機動動作集（ stems ）進行了飛行模擬試驗研究。
  15. Semi - inverse method

    半逆解法
  16. The design method proposed in this paper is, in principle, based on the potential - stream function inverse method, using numerical optimization to obtain optimized blade profiles

    本文是在反方法葉型設計的基礎上，採用優化方法有效調節給定的初始速度分佈來獲得優化葉型。
  17. For the inverse method research, this paper proposes a truly original concept : simulated priori - information, which means using numerical simulation method to quest for priori information. this method greatly enriches the priori information on material parameters

    在反求技術方面，本文首次提出了模擬先驗信息的概念，即用模擬方法獲取先驗信息，極大地豐富了獲取材料參數先驗信息的途徑。
  18. Generalized voigt model was used to simulate the visco - elastic property of soil surrounding pile and the relationship between settlement and time of pile embedded in layered soil was investigated. a corresponding semi - analytical solution was obtained by laplace transform method and fourier inverse method. the parameters in the generalized voigt model were connected with the conventional geotechnical parameters of soil and the behavior of pile settlement was then analyzed and discussed

    進而借鑒樁基動力分析中的平面應變模型參數的取值方法，將廣義voigt體模型中的參數與土體的基本物理力學參數相聯系，使得參數的選取具有一定的確定性和準確性，並進一步分析討論了各參數的變化對單樁沉降性狀的影響。
  19. The influence of soil on the pile was simulated by voigt model according to the layered characteristic of soil surrounding the pile. the semi - analytical solution for the relationship between the pile head settlement and time was obtained by laplace transform method and fourier inverse method. by using the solution, the influence of all relevant parameters on the pile settlement behavior was investigated and discussed

    成層廣義voigt體地基中單樁沉降的時間效應研究將成層地基中每一層土對樁的作用簡化為廣義voigt體模型，由此建立了單樁的靜力平衡方程，並求解得到了成層地基中靜荷載下單樁樁頂沉降在拉普拉斯變換域的解析解和在時間域的半解析解。
  20. 4. with the consideration of practical soil - pile interaction, the soil around pile is modeled as a three - dimensional viscous - elastic continuous medium and the time effect of the settlement of single pile is studied. the semi - analytical solutions for vertical displacement of soil and for the relationship between settlement of pile head and time were obtained by laplace transform method and fourier inverse method, and the law of the settlement of pile head varying with time was then analyzed and discussed

    考慮樁土藕合作用的單樁沉降時間效應研究從研究空間軸對稱問題的角度出發，將樁周土體建模為三維粘彈性連續介質，更為合理地考慮了靜荷載下樁土系統中單樁與樁周土的藕合作用，分別建立了樁周土體和樁體的靜力平衡方程，並通過拉普拉斯變換、傅立葉逆變換等數學手段，獲得了單樁樁周土體的垂直變形和樁頂沉降在拉普拉斯變換域內的解析解和在時間域內的半解析解，進而分析討論了單樁沉降隨時間變化的規律。
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