stepping method 中文意思是什麼

stepping method 解釋
分段測高法
  • stepping : 步進式, 改變
  • 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. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求，採用單片機實現了混合式直流直線步進電動機的開環數字控制；利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定；利用細分控制技術保證了電機運行的平穩性，並進行了波形分析和理論研究；採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題；同時對主功率電路、驅動電路和系統保護電路進行了分析，完成了硬體設計、製作和軟體編程、調試，最後在混合式旋轉步進電動機上進行了全面測試。
  2. Then the finite element equations are derived with the effective heat capacity method. common time - stepping method and precise time integration ( pti ) method are used to solve the equation

    然後基於等效熱容法推導了伴有相變過程的傳熱控制方程的有限元列式，並且分別研究了用常規的時間差分法和精細積分法求解上述有限元方程。
  3. Serval test problems are carried out by using the proposed algorithm. compared with non - local time stepping method, we can increase the efficiency of the time stepping signifi - cantly in certain situations

    運用此演算法，幾個測試問題被計算，與非局部時間步長方法相比，大大提高了演算法的效率。
  4. 4. a 2 - d and 3 - d euler equations and n - s equations are solved using the cell - centered finite volume method and four - step runge - kutta scheme on the cartesian grids with standard convergence acceleration techniques such as local time stepping, enthalpy and implicit residual smoothing

    使用jameson中心有限體積法和runge - kutta時間推進方法，求解了關於二維、三維復雜流場的euler 、 navier - stokes方程，採用了當地時間步長、隱式殘值光順等多種加速收斂方法。
  5. A fault current limiter using permanent magnets has been designed and its performance simulated using a twodimensional time - stepping finite - element method incorporating a model of hysteresis for hard magnetic materials

    摘要按永久磁鐵設計製成的故障電流限制器，性能是靠含有硬磁材料的磁滯模型的2維時間分級有限元件方法獲得的。
  6. The dual - time stepping method proposed by a. jameson is applied to improve time precision for unsteady flowfield computation. the three dimensional grid for projectile with lateral jets, especially body - fitted for lateral jets exit, is generated by improved traditional methods with projection and zonal method

    在改進傳統網格生成方法的基礎上，結合投影映射、分區拼接技術生成了彈丸側噴流場單一區域三維計算網格，在側噴流噴口邊界實現了網格貼體化。
  7. Stepping drive of synchronous motors, upgrading the design idea of stepping motors from combined electromagnet theory to rotary magnetic field theory, will make the capability and efficiency of the increment control system improved to a new level, which is the research purpose of ac step motion drive this paper begins with the direct torque control method for pmsm to expatiate ac step motion control theory distinctly

    用同步電動機實現步進傳動；將步進電動機的設計思想從組合電磁鐵理論提高為旋轉磁場，使增量運動系統的容量和效率發展到一個新的水平，這就是交流步進傳動的研究目的。為了比較清楚地闡述交流步進理論，本文首先從永磁同步電動機的直接轉矩控制演算法入手來分析。
  8. The structure of the valve is superior to the conventional valve and the continuously tracing method solves the problem that arises as a result of the constradiction between the stepping error and response speed of the digital valve

    該閥的結構較傳統的閥更加簡單、可靠，且採用連續跟蹤控制方法消除了傳統的步進式數字閥所固有的量化誤差與響應速度之間的矛盾。
  9. The method is as follows : when the video signals from cmos image sensor pass through a high - pass analog filter, the microprocessor samples and processes them and then judge whether the lens is in focus. if the lens is not well focused, the microprocessor will control the lens to be in focus by moving the stepping motor

    這一系統採用的方法是通過對cmos圖像傳感器輸出的模擬視頻信號進行濾波，提取出代表圖像清晰程度的高頻成分，選用單片機組成硬體電路，對信號進行處理並分析判別聚焦位置、控制馬達轉動鏡頭至對焦清楚。
  10. This paper gives emphasis to expatiate on the function of the system 、 hardware configuration 、 software flow, and introduces the simulation research and actualization method of the fuzzy controller for stepping drive - control system in detail

    該文重點闡述了測控實驗系統的功能、系統硬體組成、軟體程序流程，詳細介紹了系統中步進驅動控制系統模糊控制器的模擬研究與實現方法。
  11. The time marching is based on " dual - time stepping method ". the method is suitable for analysis of the problems of airfoil in arbitrary motion

    該程序基於「雙時間法」 ，適用於翼型作任意運動的非定常低速流動計算。
  12. In this dissertation, finite volume method, explicit runge - kutta time - marching scheme and " dual - time stepping method " are employed to solve the governing equations. both inviscid and viscous steady flows around two - dimensional cylinder, flat - plate and airfoils are simulated, and unsteady flows for airfoil in arbitrary motion are also calculated

    控制方程採用中心格式有限體積法進行空間離散，對于定常流動，運用runge - kutta顯式多步法進行時間推進求解，非定常流動採用隱式時間離散的「雙時間法」 （ dual - timesteppingmethod ）進行推進求解。
  13. In this thesis, finite volume method and dual - time stepping method are employed to solve the 3 - d unsteady euler equations. the unsteady flow field around a finite - span flapping wing is simulated. the lift and thrust of the flapping wing for different cases are calculated

    本文運用有限體積法結合雙時間推進技術求解三維非定常歐拉方程，模擬了有限翼展機翼在同時具有上下拍動和俯仰運動狀態下的非定常流場，計算了不同狀態下撲翼的升力及推力，分析了各個影響因素對撲翼氣動特性的影響。
  14. The time stepping method is parallelized by distributed parallelization of the matrical computing. the parallel time - domain bem is a partial time - parallel algorithm. ( 7 ) the computational complexity and parallelism of t

    （ 8 ）將并行彈性靜力邊界元法應用於水工地下洞室的計算分析之中，進一步驗正了演算法的高效性和可靠性，顯示了演算法的應用價值。
  15. During the research, some discussions such as how to solve transient problem using time - stepping method and how to solve nonlinear problem using n - r method are presented. finally, the nonlinear transient electromagnetic field of a 600mw turbo - generator is solved and the simulation results verify the methods

    在研究中，還對涉及到的相關問題如時步法對瞬態問題的處理、牛頓-拉夫遜法求解非線性問題作了探討，並以一臺600mw汽輪發電機為例，進行了結果模擬驗證。
  16. Jameson finite volume scheme and four - stage rung - kutta time - stepping method are employed in the process of the zonal parallel computation of euler equations

    在euler方程的分區并行計算過程中，本文採用了jameson有限體積法和四步runge - kutta顯示時間推進格式。
  17. By means of dual - time stepping method and moving grids technique, we solved the 3 - d unsteady euler ' equations for helicopter rotor in forward flight, and obtained the near - field hsi noise

    為了多槳旋翼旋轉、變距等復合運動的準確描述，採用了多塊分區運動網格技術。
  18. With attack angle, two types of unsteady flowfield over high - speed spinning projectile without and with lateral jets are successfully simulated respectively by dual - time stepping method. the two results of flowfield show unsteady and periodically after one period of spinning

    在高速旋轉彈丸底噴流-側噴流共同干擾流場的計算中，發現高速旋轉對底噴流動的影響沒有對側噴流動的明顯。
  19. High - resolution nnd scheme and fully implicit dual - time stepping method were adopted in the three - dimensional vibrating cascade flow calculation. thus, the correct simulation of the shock in transonic flow and the efficiency of calculation were both taken into consideration

    在三維振動葉柵流動數值模擬中，採用高解析度tvd類型的格式和全隱式雙時間方法，保證了對流動的正確模擬，準確地捕捉了跨音流動中的激波，其計算效率非常高。
  20. The navier - stokes equation is discretized in the moving - grid system. by adopting the explicit four - stage runge - kutta jameson finite volume scheme, and under the sustainment of acceleration algorithms such as dual - time stepping method, the multi - grid strategy and implicit smoothing of the residuals, a two dimensional unsteady viscous flow in vibrating cascades is simulated

    本文在運動網格體系中離散n - s方程，應用runge - kutta四步顯式的jameson有限體積格式，並在雙時間方法、多重網格法及殘差光順等加速演算法的支持下，計算了二維振動葉柵非定常粘性流場。
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