stepping time 中文意思是什麼

stepping time 解釋
步進時間
  • stepping : 步進式, 改變
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  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. In a few minutes' time we were stepping out sharply across the great cultivated plain or lake bed, framed like a vast emerald in its setting of frowning cliff.

    幾分種后,我們就輕快地行走在精耕細作、象翡翠一樣鑲嵌在起伏不平的峭壁間的平原或者也可以叫做湖床的上面了。
  4. In fluid field solving, the numerical flux is estimated using high - accuracy roe scheme with limiter. in time marching, we use dual - time stepping together with implicit lu - sgs scheme and get reasonable results efficiently. the difference of the fluid computation between single grid and overset grids lies in the dispose of the computation boundary

    流場解算時,對流場數值通量的求解採用的是帶限制器的高階精度roe格式,時間推進採用了含雙時間步長的隱式lu - sgs ( lower - uppersymmetricgauss - seidel )格式,提高了求解的效率。
  5. This is the future that earth perceives stepping into physicality in 8 years time

    這就是地球所覺察到的,將在前方8年時間步入物質層的未來。
  6. 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。
  7. He can make his presence so adaptable, whether as a front man, sideman or member of a group : when he is backing, his guitar can be just an anonymous filler, stepping in here and there to enrich the song and the music ; but when he is in the fore, he explodes onto the scene with his amazing presence before whatever stellar combination he is playing at the time, each guitar note clinking with crystalline clarity, and phrases beautifully and effervescently delivered

    他的結他彈奏常隱藏於眾樂手的演奏當中,變作其中一個小分子,不斷填補各樂手的空間,豐富歌、樂曲本身;但當輪到他獨立演出時,又可鮮明地跳脫活現于群雄之前,結他音色雕琢得晶瑩剔透,樂句優美亮麗。他無論擔任伴奏抑獨當一面的個人演奏,均令聽者動容!是一位震撼人心的結他怪傑。
  8. The viscid flux is discretized by second - order central difference scheme. baldwin - lomax turbulence model is implemented in navier - stokes flow solver. for steady - state calculations, a four - stage runge - kutta scheme with convergence acceleration techniques such as local - time stepping and implicit residual smoothing is used

    其中,定常計算中的時間推進採用四步runge ? kutta方法,並應用了當地時間步長、隱式殘值光順等加速收斂措施;非定常計算中的時間推進採用jameson的隱式雙時間方法。
  9. 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。
  10. Compared with octree data structure, the omni - tree data structure could reduce the meshes " total numbers and get better mesh quality. this paper uses cell - centered finite volume spatial discretization and four - stage runge - kutta time - stepping scheme with some convergence acceleration techniques such as local time stepping and enthalpy damping

    在流場計算中,本文採用格心格式的有限體積法用二階中心差分對歐拉方程作空間離散,用四步龍格庫塔方法作顯式時間推進。
  11. In this paper, the upwind scheme and the central scheme are presented for solving 3 - d n - s equations using the cell - center finite volume spatial discretization and four - stage runge - kutta time stepping scheme, with standard convergence acceleration techniques such as local time stepping and implicit residual smoothing

    在n - s方程的數值計算上,採用了中心差分格式和迎風格式,用格心格式的有限體積法進行了空間離散,用四步龍格?庫塔法作顯式時間推進,並採用了當地時間步長和隱式殘差光順等加速收斂措施。
  12. 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。
  13. 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。
  14. She could not understand why, stepping out of the window on to the balcony, he smiled under his moustaches and winked so gleefully when a warm, fine rain began to fall on his young oats that were suffering from the drought, or why, when a menacing cloud blew over in mowing or harvest time, he would come in from the barn red, sunburnt, and perspiring, with the smell of wormwood in his hair, and rubbing his hands joyfully would say : come, another day of this and my lot, and the peasants too, will all be in the barn

    當他看見溫順的細雨灑在乾旱的燕麥苗上時,他從窗口走到陽臺上,眨著眼,咧開留著鬍髭的嘴唇,她無法明了他怎麼會笑得那麼開心。在割草或者收莊稼的時候,滿天烏雲被風吹散,他的臉曬得又紅又黑汗水淋淋,身上帶著一股苦艾和野菊的氣味,從打穀場回來,這時,她不能理解為什麼他總是高興地搓著手說「再有一天,我們的糧食和農民的糧食都可以入倉了」 。
  15. On the aspect of the dynamic character, the electrocircuit model of the motor is being realized on the pspice environment. the transient character of the pmlsm under the sinusoidal power is reached using the pspice model at circuit level, the results are compared with those using time - stepping fem

    從電機的動態性能方面:建立了電機的pspice模型,在pspice環境下對電機進行正弦波驅動下瞬態特性的模擬,並與以電磁場分析為基礎的時步有限元電機的動態模擬分析進行了比較。
  16. At the mean time, the old school office which is damage by the blaze ten years ago has show up again and the ghost of the dean of the school is stepping out from nowhere, closer and closer. step by step.

    阿狄阿絲阿cat離奇失蹤死亡,令高強和逸敏陷於崩潰邊緣,決定挑戰嚴禁談戀愛這條違反天理的校規。此時,因火災而消失了的校務處又再次出現,訓導主任的冤魂靜靜地步出,一步一步的逼近
  17. In knowledge - economic age, when advanced knowledge is acted as the main social productivity, consequentially the higher education is all - round penetrating and participating social activities, at the same time, unavoidably, close unattached traditional fencing university is making for exoteric panoramic non - fencing university town. that is to say, there is a history trend between university and city : from the tower of ivory keeping away from city to research university lingering the city to university town stepping in the city, which causes a new idea and originality of " university town "

    當知識經濟時代把高深知識作為社會生產力時,高等教育必然全方位滲透、參與經濟社會活動,封閉的、獨立的傳統圍墻大學必然走向開放的、接納的沒有圍墻的大學城,即大學從卓然獨立於城市的「象牙之塔」到徘徊于城市邊緣的「研究型大學」到終于走進了城市的中心,開始與城市攜手交融的這一發展趨勢必然引致一種新理念? ? 「大學城市化」的進發,一種新創意? ? 「大學城」的誕生。
  18. With compensation of signal ’ s time delay from different radiating element by phase shifters, phased - array antenna can control array beam easily. because there are no mechanical devices for rotating beam, the phased - array antenna system can scan everywhere in beam covered areas in millisecand by stepping the phase shifters. it improves the tracking velocity of antenna towards the object, and becomes the development trends of weapon system antennas

    相控陣天線利用移相器補償信號到達輻射單元時間的差異,從而控制波束方向;天線沒有機械旋轉問題,只需改變移相器的設定值,波束便可以在毫秒級內掃描其覆蓋空域內的任何地方,提高了天線對目標的跟蹤速度,是目前武器系統天線的發展方向。
  19. Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules

    同時,本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究,包括: cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構;對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制,保證加工工件表面的精度和光順性;設計具有「前瞻」功能的自動升降速控制方法,保證加工過程的平穩性;通過脈沖均勻化,有效地解決加工過程中因為脈沖不均勻而引起的震動問題。
  20. And stepping through code, help you to inspect your code one line at a time as it executes to find the error

    兩項調試技術,即設置「斷點」和「單步執行」代碼,可以幫助您逐行檢查代碼以找出錯誤。
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