geometrical simulation 中文意思是什麼

geometrical simulation 解釋
幾何模擬
  • geometrical : adj. 1. 幾何學的，幾何圖形的。2. 按幾何級數增長的。adv. -rically
  • simulation : n. 假裝；模擬；裝病，裝瘋；【生物學】擬態，擬色。
  1. Simulation results on a laser processing robot show that this method can achieve the same calibration accuracy as that of the other traditional calibration approach such as geometrical parameter calibration

    對某激光加工機器人的模擬結果表明，該方法可以達到其它標定法如幾何參數標定法所能達到的標定精度。
  2. 4. simulation model for capture and buffer phase is built based on adams software, in the model, capture ring is accurately built with full consideration of actual geometrical feature, buffer system is modeled the same as that of ddss, and adams impact model

    4 .建立了捕獲段與緩沖段的adams模擬模型，其中對接機構採用精確的實體三維模型，緩沖力模型同上，接觸力採用adams軟體提供的的impact模型。
  3. Employing perturbation method and numerical simulation, we study the flow in rotating helical pipes including different rotations, different cross sections ( circular, elliptical, annular and square cross section ), and different geometrical structures

    採用攝動方法和數值計算方法，研究了處于多種旋轉狀態下、多種截面形狀（圓截面、橢圓截面、環形截面、矩形截面） 、不同幾何結構旋轉螺旋管道流動。
  4. Through the simulation of the forming process, we can get the deformations, stress, strain, plastic flowing in sheets and the interface state under impact load and rolling load, the deformation of the sawtooth form and comparing to the initial state, the results above are expressed in computer animated way. and the effect of geometrical ( mainly different form, including 90 degree, isoceles triangle ， 75 degree, and 1. 5 high and wide ), material and technical parameters on the bond strength are analyzed, also including the comparison of different sawtooth form. the optimum parameters are got

    對雙金屬復合板成型過程進行模擬，從而得到在沖擊載荷和軋輥壓力作用下基板和覆板的應力、應變分佈和塑性流動變形規律，復合后的齒形的變形情況與初始齒形形成對比，以動畫的方式模擬成型過程，並分析了不同幾何參數（主要是不同的齒型，其中包括直角齒型、等腰齒型、 75度齒型、 1 . 5高寬齒型） 、材料參數、工藝參數對復合強度的影響，以及不同齒型的變形對比以及齒型對復合情況的影響，提出最優齒型、最優工藝參數，有效地指導了實驗。
  5. Second, the paper calculates some rfss ( radio frequency simulation system ) anechoic chamber to use go ( geometrical optics ) and gives the detailed calculating course and consequence. then compares it with measured consequence, observes that they tally well. so, the model of microwave anechoic chamber is right

    本文採用幾何光學法計算了某射頻模擬微波暗室，並詳細給出了計算過程，最後得到了靜區反射率電平的計算結果，然後將其與實測結果進行比較，發現基本吻合。
  6. Finally, near - field microwave imaging methods are studied. combining near - field measurement and target geometrical shape, a new near - field microwave imaging approach by plane - wave spectrum is produced. synthetic plane - wave technique and near - field imaging is studied, simulation results of this approach are given

    把近場散射測量和目標幾何外形相結合，提出了利用平面波譜展開進行近場微波成像的新方法；對綜合平面波技術和近場微波成像作了研究，並對這一成像方法作了模擬。
  7. Which characterize its geometrical construction had been answered by this paper through monte carlo simulation. when the direction of scanning is vertical to crop line

    為了減少多角度熱輻射亮度值之間的相關性，只有當掃描方向與壟向相互垂直
  8. Abstract : the end basket with a form of double layered conical weave net is simplified into a model of continuous conical shell - beam combined structure and in accordance with the test results of experimental modal analysis. a part of geometrical and material parameters of the conical shell in the model are identified to get an equivalent mechanical model which has the same dynamic characteristics as that of the prototype structure. by simulation and experiment, the effectiveness of the method offered is fully verified

    文摘:將大型汽輪發電機定子端部的雙層圓錐型編織網殼簡化為連續錐殼-梁組合結構.根據實際結構的試驗模態分析所得到的模態參數識別模型中錐殼的部分幾何、彈性參數，獲得了與定端繞組實際結構具有相同動特性的當量力學模型.對實際機組的計算和實驗結果證明了本文中的方法是可行的
  9. Scientific computation visualization interactive virtual reality computer dynamic simulation etc., to study thoroughly and carefully on critical technologies such as mixed - language programming simplification of scene models displaying realistic image and animation of 3d scene models and so on in this dissertation, the methods to build scene models were studied and applied to develop a dynamic simulation system of 3d railway scene based on this idea, the major study contents and results can be summarized as follows : 1 ) mixed - language programming can complement each other between different programming languages and the method has a general significance and can become popular many computation models including development of dtm optimum of dtm and reorganization of dtm were developed with fortran language in order to use the ripe codes, the dissertation succeeded in integrating the developed fortran codes to the visual c + + environment and achieving the course of mixed - language programming 2 ) the methods to build scene models for 3d location design were discussed in the dissertation and the development and animation of scene models had been realized by applying synthetically those technologies such as computer graphic computational geometry and geometrical modeling and computer dynamic simulation etc, and adopting opengl 3d graph library then achievement was got by using the technology of 3d visualization to livingly express design results 3 ) combing with the concerned study and development projects, adopting vc + + as development tools and in the light of those theories and algorithms stated in this dissertation, a software, which could build scene models with realism for 3d railway location design, in the name of " the dynamic simulation system of 3d scene of railway " was developed., the correctness was proved by using the software to build the 3d scene models and achieve their animation of suining - chongqing railway and yunnan - xizang railway

    本文綜合利用計算機圖形學、科學計算可視化、人機交互、虛擬現實、計算機動態模擬等理論和技術，針對混合語言編程、真實感圖形繪制以及三維景觀模型的動畫驅動等關鍵技術，進行了深入細致的研究，從而探討了建立逼真景觀模型的方法，並基於本文提出的方法研製了一個鐵路線路三維景觀動態模擬系統。基於這一思想，本文主要研究內容及研究成果如下： 1 ）混合語言編程可以實現語言優勢互補，具有普遍意義。針對數字地面模型的建立、優化、重組等計算模塊是成熟的fortran程序代碼，本文成功實現了vc + +與fortran語言的混編； 2 ）緊緊圍繞三維選線設計中景觀模型的建立方法展開研究，綜合利用計算機圖形學、計算幾何及幾何造型學以及計算機模擬技術，採用opengl三維圖形庫，實現了景觀模型的建立以及動畫驅動，使得三維可視化技術成功應用於選線設計成果的三維直觀表達； 3 ）結合有關科研課題，利用vc + +開發工具，以本文所述的理論和演算法為基礎，研製和開發了一個建立三維選線設計逼真景觀模型的系統軟體- - 「鐵路線路三維景觀動態模擬系統」 。
  10. Obtained numerical simulation results of flow fields include the resistance and efficiency performance, with the geometrical boundary completely according with the actual one and nothing being simplified. 2

    在幾何邊界形狀上嚴格反映物理真實而不作任何簡化，獲得了包括阻力特性和效率特性在內的計算結果； 2
  11. In this paper we designed the relief height of the computer optical elements mainly based on the geometrical theory and the scalar quantity diffractive theory. based on the geometrical theory, we achieved the height of phase relief that can shape the laser beam into 4 square spots, square frame, 1 square spot ; with the computer simulation and drawing program, the diffraction patterns are gotten in this paper, the results agreed with the anticipated diffraction patterns ; in this paper we also discussed the affects to the diffraction patterns by changing some parameters

    本文主要基於幾何理論和標量理論來設計計算機光學元件表面的浮雕高度，文中用幾何理論推導出了把高斯光束整形為四個矩形光斑束，正方框形光束、矩形平頂光斑的計算機光學元件表面的浮雕公式;通過計算機輔助設計，計算得到了計算機光學元件表面上的浮雕高度，設計出了計算機光學元件。
  12. By means of establishing the mathematical model of gps integrated navigation system, it studies geometrical dilution of precision ( gdop ) and kalman filter. we simulate them by supplying to some examples. simulation result has shown the practicality of the algorithm

    通過建立gps / sins組合系統的數學模型，從幾何精度因子gdop的物理意義和卡爾曼濾波對狀態估計的基本原理出發，並結合實例的模擬計算結果，討論了gps / sins組合導航系統定位和測速精度與gdop的關系。
  13. The numerical simulation of the inlet flow fields in the gas turbine. obtained numerical simulation results of flow fields include the uniformity, with the geometrical boundary completely according with the actual one and nothing being simplified

    在幾何邊界形狀上嚴格反映物理真實而不作任何簡化，獲得了整個進氣系統地流場分佈狀況和壓氣機進口截面的不均勻度。
  14. In this paper i was in virtue of the fluent software, set up the geometrical model of jin ’ ao mansion and adjacent buildings, used non - equilibrium wall functions to deal with the problem which come from the near wall, used realizable k - turbulent model to simulate the steady flow around 3d high - rise buildings, we can get the distribution of mean wind pressure coefficient of the surface of jin ’ ao mansion and five aerodynamics components. they were compared with the data from the wind tunnel test, we found out the distance between the result of the wind tunnel test and numerical simulation in the acceptable range

    本文以fluent軟體為平臺，建立金奧大廈及其周邊建築的計算幾何模型，近壁區採用非平衡壁面函數法處理，運用基於雷諾時均的realizablek -湍流模型進行高層建築三維定常風場數值模擬，獲得金奧大廈表面時均風壓系數分佈及基底五分量氣動力，並和風洞測壓試驗的結果及風壓系數積分計算的基底五分量氣動力相比較，發現兩者之間的差異在可接受的范圍之內。
  15. To truly reflect complex geometrical layout of bolts, a composite model of three - dimension anchored rock mass has been proposed for numerical simulation. the corresponding formulation of anchored mass ' s combined units has been formed by displacement interpolation theory of fem and statical effective principle. and the corresponding detailed rules has also been advanced

    針對加錨巖體的數值模擬，為了真實反映各種錨固件的復雜幾何布局，文中給出了三維加錨巖體的組合模型，利用有限元法中的位移插值理論和靜力等效原則建立加錨巖體組合單元的相關列式，並提出相應的實施細則。
  16. Two common - used synthetic aperture radar imaging algorithms, range - doppler algorithm and chirp - scaling algorithm, have been analyzed and tested using compute simulation and real synthetic aperture radar data. one key issue of the synthetic aperture radar high resolution imaging is how to obtain sar image of high geometrical resolution

    在此基礎上，討論了合成孔徑雷達距離多普勒成像演算法以及chirp - scaling成像演算法，分析了各自的特點，對兩種成像演算法進行了計算機模擬實驗以及實際數據實驗驗證。
  17. 3. a simulation geometrical model and real - time and dynamic realistic picture creating and displaying algorithm was proposed and implemented. the quality of our realistic picture is nearly as good as the ray - trace

    對數控銑削加工模擬的切削過程幾何表示及真實感圖形顯示演算法進行了深入研究，提出並實現了一種數控銑削模擬切削過程幾何表示及真實感圖形顯示演算法。
  18. Unlike traditional differential geometrical method, the robust adaptive neural net - based control emphasizes on the theory and application of intelligence control in nonlinear system that is weighed by robust performance index. the problem of robust reliability and stability in a kind of weak nonlinear system is first proposed in the dissertation, and then it deeply analyses and discusses the problem of how to design track controller in strong nonlinear system with uncertainties and external disturbance on the premise of guaranteeing the whole system ' s robust performance index. the distributed 3d flight simulation platform is mainly used to validate real - time program and evaluate the efficiency of advanced flight control laws, therefore, some theories and techniques related to the platform are also introduced

    基於神經網路的魯棒自適應控制研究和分散式三維飛行模擬平臺的構建是本論文研究的兩個主要內容，與傳統微分幾何方法不同的是，基於神經網路的魯棒自適應控制側重於智能控制方法在以魯棒性為性能指標的非線性系統中的理論和應用研究，論文以一類弱非線性系統的魯棒可靠鎮定問題為引線，逐步深入地分析和探討了在保證整個被控系統魯棒性能指標的前提下，對于幾類具有不確定性和外部擾動的強非線性系統跟蹤控制器的設計問題；分散式三維飛行模擬平臺主要用於先進飛行控制律的實時程序驗證和效能評估之用，因此關于平臺的一些開發原理和技術方法也在文中給出了介紹。
  19. However, it is found that there is a certain relationship between simulated result of non - uniform horizontal ground stress and geometrical shape of calculation model : the greater the width to height ratio of the calculation model is, the more unsatisfactory the simulation validity is and the greater the difference between practical ground stress and simulated stress is

    通過簡單模型的模擬試驗，發現採用這種應力邊界條件對水平地應力的模擬效果與計算模型的幾何形狀之間有一定的關系：計算模型的寬高比越大，模擬效果越不理想，與實際的地應力狀況相差越大。
  20. And relying on this, our laboratory proposes a new cladding method. by means of large dynamic explicit fem code ansys / ls - dyna, the numerical simulation was carried out in bimetal forming process. during the simulation of the forming process, the large deformation of the strip should be considered, as well as geometrical and material nonlinear, the contact between the roller and the strip, the contact between two metal sheets and the load. as for these problems, we can use node to surface contact and relative parameters, biso model is introduced, the load is applied as array

    本文採用ansys / ls - dyna計算程序為分析工具，對鋸齒形雙金屬復合板成型過程進行計算機數值模擬，在對軋制過程模擬時，針對軋件變形的幾何非線性和材料非線性特點、軋輥與軋件間的接觸、軋件間的接觸以及模型的加載等問題，給出了在ansys / ls - dyna中相應的解決方法：應用nodetosurface接觸方式，設定相應參數，選用雙線性等向硬化模型，載荷作為array施加在剛體質心。
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