射線追蹤方法 的英文怎麼說

中文拼音 [shèxiànzhuīzōngfāngfǎ]
射線追蹤方法 英文
raytracing procedure
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 追 : Ⅰ動詞1 （追趕） chase after; run after; pursue; catch up with 2 （追究） trace; look into; get to...
  • 蹤 : 名詞（腳印; 蹤跡） footprint; track; trace; trail
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 追蹤 : have in the wind; follow the trail of; track; trace; pursue
  • 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
  1. Fast ray tracing method for converted waves in complex media

    復雜地質模型轉換波快速射線追蹤方法
  2. And the scheme for p - sv waves was put forward as an example of converted waves

    然後，以p - sv波為例，給出了轉換波快速射線的追蹤方法。
  3. The numerical example has proven that the scheme for converted waves is effective

    模型計算結果表明，本文所提出的轉換波快速射線追蹤方法對復雜地質模型是切實可行的。
  4. Through observing the influence of different geometry to reflect wave in deep layer, using seismic digital simulation tracing method, analyzing the influence of max - offset, trace interval, fold and geophone planting to reflecting energy, this article, summarizes, in both theory and practice, the application result of " bin stack " acquisition method

    通過不同觀測系統對提高深層反射信號的影響，採用地震數值模擬射線追蹤方法，分析了觀測系統中最大炮檢距、道距、覆蓋次數及檢波器埋置，對提高深層反射信號能量的影響，從理論到實踐總結了「面元疊加」採集技術的應用效果。
  5. First, the ray tracing equation and its numeric solution is presented in this paper, then on the base of quasi - parabolic ionosphere model, using the technology of the numeric ray tracing, a ray tracing simulateing platform is established. this platform can simulate the ray tracing for a fixed frequency or sweeping frequencies, also can calculate the group path and the covered region of rays

    首先，本文給出了射線追蹤方程及其數值解法，在球形對稱準拋物模型背景電離層基礎上，利用數字射線追蹤方法，建立了射線軌跡演示平臺。該平臺可實現定頻或掃頻射線軌跡演示，計算各射線群路徑，覆蓋區域等功能。
  6. The authors established an initial velocity model based on the first break time of the actual data, then realized the forward calculation with the improved shortest path ray tracing algorithm, and applied the improved constrained damped simultaneous iterative reconstruction technique ( cdsirt ) to solve large - scale and sparse equations for inversing the near - surface velocity field

    根據實際地震數據的初至波時間建立初始速度模型；採用改進的最短路徑射線追蹤演算法進行正演；利用改進的約束帶阻尼聯合迭代重建技術（ cdsirt ）求解大型、稀疏的方程組來反演近地表的速度場。
  7. The minimum travel - time tree algorithm is one of the main methods to trace rays, which is based on huygens ' and fermat ' s principles and can be applied to complex geological model

    摘要最小旅行時樹法是目前主要射線追蹤方法之一，該方法以惠更斯原理和費馬原理為基礎，具有適應復雜地質模型的優點，缺點是速度較慢。
  8. In terms of deriving the maximum trapped - wavelength and the critical emitting angle of elevation for electromagnetic wave which can forms duct propagation and introducing the four kinds necessary condition for electromagnetic wave to form duct propagation, under these conditions we now have the radio wave bent back towards the earth

    結果與實際觀測到的波導傳播時的回波結構相同，說明，根據不同的大氣層結，利用電磁波的波導傳播的射線追蹤方法可以基本上確定電磁波的傳播軌跡。
  9. At the same time, as more and more radio sources have been set up, electromagnetic pollution in urban area becomes more serious, which is harmful to people ' s healthy and communication system so it is necessary to simulate the electromagnetic propagation in urban area by computer being an approximate hf method in evaluating em scattering ， the complex ray method （ crm ） is valuable in actual applications ， mainly benefited from its simple physical model ， convenient mathematical formulation and computational efficiency, especially with the scenes of scattering from complex objects based on the condition mentioned above, a hybrid ray model of the urban area electromagnetic wave propagation prediction was established with the foundation of ray tracing theory and complex ray theory

    復射線技術作為一種求解波場問題的高頻近似方法，由於其具有物理模型簡單、數學處理方便、計算效率高等優點，在復雜的目標散射特性分析等應用領域中有著重要的應用價值。基於以上的情況，本文在射線追蹤理論和復射線理論的基礎上，為城區環境建立了混合射線預測模型。本文採用橢圓模型對已有的射線追蹤方法進行加速，並將復射線理論應用到城區環境電波傳播預測中，提出新的預測方法混合射線方法。
  10. Firstly, the calculation methods of lighting optics, such as ray tracing method, monte carlo method and flux transmission method, are discussed, further more the characteristic and the application field are anatomized and compared, consequently the flux transmission method is selected as the main method of computational simulation software of photometric characteristic of headlamps for vehicle

    本文首先對常用的光線追蹤演算法、蒙特卡羅方法和光通轉移法等照明光學的計算方法進行了討論，分析比較了各種計算方法的特點和適用范圍，選擇了光通轉移法作為汽車前照燈反射鏡配光性能的模擬計算的主要演算法。
  11. The least traveltime ray tracing method can greatly reduce the amount of calculation for tomographic inversion and increase the accuracy for ray tracing. the important method to do the cross well seismic reflection image is xsp - cdp algorithm

    研究的最小旅行時射線追蹤法可大大減少層析反演的計算工作量並提高射線追蹤的精度；井間地震反射成像主要採用xsp - cdp方法。
  12. Results show that, this method could reduce the computational cost to 1 / 3 of original by decreasing the true and all - over tracing times

    結果表明，該方法通過減少真實、遍歷式追蹤的次數，能將普通徑跡法射線追蹤過程的計算量減少到原來的1 / 3左右。
  13. In order to simulate ray trace reflection effect, the mirror reflection and curving reflection have been distinguished, giving an predigest method simulating approximate the ray trace effect by use of mirror geometry and the middle curving surface texture mapping

    為了提高實時渲染圖像的質量，模擬光線追蹤反射效果，本文將反射分成鏡面反射和曲面反射兩種類型進行了討論，利用鏡面幾何和中間曲面貼圖映射方法給出了近似模擬光線追蹤反射的簡化技術。
  14. Numerical simulations and experiments show that improved algorism of lti is effective to trace rays including back waves and suitable for computerized tomography to complex object

    數值模擬和試驗研究表明lti改進演算法是一種有效的射線追蹤方法，能追蹤回波，適合復雜對象的層析成像。
  15. A light tracing tree ( ltt ) can be set up according to the light tracing theory and the covering area can be simulated using the information saved in the nodes of the ltt

    該演算法根據光線追蹤理論和有關光學原理建立光線傳播樹，並通過可視化方法在計算機上對光線照射到的區域進行模擬。
  16. 2 ) forward modeling method of refraction first - break in lateral varying velocity media. for layered media, a new forward modeling method of refraction is presented. for more complex near - surface conditions such as mountain areas, a new improved ray tracing method based on shortest path assumption is studied, it has higher accuracy and faster computing efficiency than conventional ones. the method can be used for the forward modeling of complex near - surface media

    而對于折射面起伏較大、低速層和折射層速度變化較大的復雜近地表情況，提出了一種改進的最短路徑初至波射線追蹤方法，該方法精度高，計算速度快，適用於任意二維復雜近地表介質（如山地）的初至折射波的正演計算。
  17. In the yield data acquire multi - line geometric in a radial pattern is adopted. before theoretical explanations about the non - uniqueness of inversions and the necessity of constrains are illustrated, the description of linear travel - time interpolation ( lti ) calculations, the derivation of jacobian linear equations, and the deductions of solving large sparse matrix equations, i. e. the lsqr iterations, are involved. in order to cope with the uncertainties in tomography, we reach several categories on constraint methods

    對於野外數據採集採用多測線上放射狀布置檢波器；圍繞層析成像方法，文章分析了線性差值射線追蹤lti技術，推導出在矩形網格內速度以雙線性關系變化時方程組的解析式，進一步詳細探討方程組的求解方法，即最小平方正交分解法，並給出了迭代公式。
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