speed transformation 中文意思是什麼

speed transformation 解釋
速度變換
  • speed : n 1 快,迅速。2 速率,速度。3 (汽車的)變速器,排擋。4 (膠片,照相紙)感光速度。5 〈古語〉興隆...
  • transformation : n 轉變,變化;變形;【生物學】(尤指昆蟲的)轉化,變態,改造,改革;變質;【數學】變換;【電學】...
  1. It was found experimentally that rapid solidification could speed up the peritectoid phase transformation from the metallic a - fe2sis and s - fesi to semiconducting p - fesj2

    提高- fesi _ 2相的轉變速度是- fesi _ 2基熱電材料制備技術的關鍵之一。實驗發現,快速凝固有助於加速-相轉變。
  2. This paper aimed at present status that most researches assembled in chemical products, adopted different determine methods, represented the transformation characteristic of nitrogen among water and soil of the sulphureous urea, confirmed the nutrient release speed, found out the optimum determine method in agricultural production application

    針對目前對緩釋肥料釋放特性的研究集中在化工製作領域這一現狀,採用不同的測定方法,闡明含硫尿素中的養分氮在水及土壤中的轉化特點,確定養分的釋放速率,以求找出適合農業生產應用的方法。
  3. The computer speed is speeded up. the numerical results of the present models are in agreement with the theoretical solution and those of physical models. systematical numerical tests show that the present models can reasonably simulate the wave transformation, such as shoaling, refraction, diffraction, reflection, effect of currents and so on

    比較詳細的模型驗證與應用表明,模型的數值模擬結果與解析解、物模實驗值吻合良好;可以較好地模擬波浪傳播過程中的淺水變形、折射、繞射和反射等多種現象;能正確合理地反映水流對波浪傳播的影響。
  4. Compares with the traditional wavelet transformation, the wavelet transformation of lifting scheme have some characteristics : the operating speed more quickly, home position operation, the dsp chip realization

    與傳統小波變換相比,提升格式小波變換具有運算速度快,原位運算,適合於dsp晶元實現等優點。
  5. Therefore, a study should be taken into the new characteristics, rules, requirements, and moves of the personnel training of military academies during the new military transformation to offer right thinking, methods and ways to speed the training of new - type quality military personnel. this is an objective requirement to suit the new military transformation, an urgent need to accomplish the leapfrogging development of our military modernization, an urgent matter to raise the scientific and technological quality of military personnel, and the only way to promote the educational reform of military academies

    認真研究新軍事變革中軍隊院校人才培養的新特點、新規律、新要求、新舉措,為加速培養新型高素質軍事人才提供正確的思路、方法和途徑,是適應新軍事變革的客觀要求,是實現我軍現代化跨越式發展的迫切需要,是提高軍隊人才隊伍科技素質的當務之急,是推進院校教學改革的必由之路。
  6. From the fundamental equations of ac servo system, using the principle of coordinate transformation of vector a concise mathematical model is deduced, the speed examination arithmetic of pmsm is obtained

    摘要根據交流伺服電機的工作原理,利用矢量坐標變換原理,推導出交流永磁同步電動機的矢量控制數學模型,得出了交流永磁同步電動機速度檢測演算法。
  7. In order to adapting to the challenge of new military revolution oriented from the information technique, speed up our army information - based construction, the thesis make a design of the conducting and controlling network in the armor mechanization troops. included in the “ group army information - based experiment for military revolution ”, according to the basic regulation of the information processing, the network breaks the original tree - scheme network structure and sets up a principle grid architecture, which realizes the platform of vehicle - to - vehicle, crossing organization or arms of services, and meets the command of synthesizing function unit, integrating system and sharing the information and network construction in the transformation period of army constructing, by the means of obtaining, delivering, processing, utilizing and feed - backing information

    為適應以信息技術為核心的世界新軍事革命的挑戰,加快我軍信息化建設,本課題就適應轉型期的陸軍指揮控制網路建設的需求,在集團軍小型試驗群架構下,對裝甲機械化部隊野戰指揮控制網路進行設計,旨在打破原有的樹型結構,按照信息流程的基本規律,構建一個縱向到單車、橫向跨建制與兵種,具備信息獲取、信息傳輸、信息處理、信息使用和信息反饋功能的原理性區域柵格狀的新型指揮控制網路,實現功能綜合化、系統一體化、信息共享化的要求。
  8. In order to speed up the development of juye coal field and the coal chemical industry, shandong province people ' s government promotes the qing hill - longgu road for the provincial level road which pass through juye carbonificated garden ; with the opportunity of the xinxiang - shijiu railway electrification transformation , juye has planned area railroad private line to the garden ; the sewage treatment factory will go to the operation in 2007 year ' s end, zhushui river route, daye reservoir project are in the advancements

    為加快巨野煤田的開發和煤化工產業的發展,山東省人民政府將貫穿巨野煤化園的青龍路升級改造為省級公路;藉助新石鐵路電氣化升級改造的機遇,規劃了通往園區的鐵路專用線;污水處理廠2007年底投入試運營,洙水河航道、大野水庫等工程正積極推進。
  9. Full scale ship power measuring of quot; fangcheng quot; trailing suction hopper dredger and operational sailing speed forecast after draghead transformation

    號耙吸挖泥船實船功率測試及耙頭改造後作業航速預報
  10. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型,推導出了一個通用的移動機器人堆積方程,在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解;使用muir和newman的運動學建模方法,推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法;在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析:推導了一種理論精度較高的航位推算演算法,並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應用與考核證明其中的分析與設計是切實可行的。
  11. Technical transformation of ct - 40 mechanical hydraulic speed governor

    40機械液壓調速器的技術改造
  12. 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。
  13. The development of the railroad and telegraph systems during the middle third of the nineteenth century led to significant improvements in the speed, volume, and regularity of shipments and communications, making possible a fundamental transformation in the production and distribution of goods

    在第三個十九世紀中期鐵路和電報系統的發展導致了在速度、音量和普通的船運和通訊上的明顯的進步,使生產和分發貨物方面的一個基礎的轉變有可能發生。
  14. In the thesis a volume rendering algorithm is put forward using shear - warp factorization of the viewing transformation and two - pass classification, it utilizes the coherence of volume data, classifies the data for the first pass and encodes the volume data using a run encoding, the encoded data is classified for the second pass when it is rendered. using the feature for two pass classification, it uses octree data structure speed up the rendering, realizes a very good volume rendering algorithm

    本文提出了兩次分類錯切變形體繪制演算法,該演算法充分發掘體數據的一致性,首先對數據進行第一次分類,對第一次分類的結果進行行程編碼,實現了數據的壓縮,對壓縮的體數據進行第二次分類繪制;同時依據兩次分類的特點,利用八叉樹進行加速,實現了有效的體繪制演算法。
  15. The summarization of the main work is as follows : + a method that can correct the migration through range cells caused by radial speed is presented by using scale transformation, and the method is extended to maneuvering target imaging. the algorithm flow, which is applicable to large - scale target whether it is uniform or maneuvering, is given. the results obtained by using simulation data and real data show that this method is effective

    本文的具體內容可歸納如下幾點:分析了用尺度變換可以消除由於徑向速度引起的越距離單元走動,對isar目標進行越距離單元走動校正演算法進行了討論,並把尺度變換校正越距離單元走動后成像的方法推廣到機動目標成像,也給出適合於平穩和機動大目標的成像演算法流程,並通過模擬數據和實測數據的檢驗。
  16. The main module of sensorless pmsm vector control such as voltage sensing, current sensing, smo rotor position estimation, speed calculation, generation of sine and cosine, vector coordinate transformation, pi regulators, svpwm vector modulation are all accomplished in the pwm interrupt service routines

    永磁同步電機無位置傳感器矢量控制的主要模塊如電壓采樣、電流采樣、滑模轉子位置估算、速度計算、正餘弦值生成、矢量坐標變換、比例積分調節器、空間電壓矢量脈寬調制等都是在pwm中斷服務子程序中完成。
  17. Secondly, the main stuctures of the software and hardware parts of the control system are introduced. principles and realization of the main functional blocks of these two parts are illuminated. on the hardware of the system, parts of control circuit and the design and debugging of peripheral circuits are discussed thoroughly. based on the hardware circuit, the software is programmed with assembly language. dual close loop vector control weth feedback of speed and current are realized. the flow charts of main programme and pwm interrupt service routines are given. the important control strategies of vector control pmsm such as current sensint and scaling, speed sensing and scaling, bector co - ordinate transformation, generation of sine and cosine, pi regulators, svpwm vector modulation and so on are all accomplished in the pwm interrupt sevice routines. in order to unite all the variables in the programme, scaling is used

    硬體方面主要論述了控制電路各部分及外圍輔助電路的設計和調試。在硬體的基礎上,軟體採用匯編語言編程,實現了轉速和電流雙閉環矢量控制。給出了系統主程序和pwm下溢中斷處理程序流程圖, pmsm矢量控制的主要控制策略如電流采樣與定標、速度采樣與定標、矢量坐標變換、 sin和cos值生成、 pi調節、 svpwm波形生成等都是在pwm下溢中斷服務子程序中完成的。
  18. Analyze derivation processes and questions of lorentz transformation. find that special relativity based upon lorentz transformation is not correct, and relative speed between two objects may be faster than speed of light

    本文詳細地分析了洛侖茲坐標變換的推導過程和存在的主要問題.得出了以洛侖茲變換為基礎的狹義相對論是錯誤的和兩物體的相對運動速度可以大於光速的結論。
  19. Therefore, the coordinated urban and rural development requires the programming of a general plan, the transformation of ecological resources to capital, the speed - up of industrialized agriculture, and the policy and financial support favorable to western china, so as to accelerate the urbanization and the development of county economy

    針對西部地區的實際,城鄉統籌發展應著重做好規劃的編制工作,優勢資源的資本轉換工作,加快農業的產業化過程,進一步加強對西部的政策傾斜與財政扶持,加快西部的城市化進程,加快西部縣域經濟發展等。
  20. High ? speed synchronized latch circuit and special clock driver are used, which adapt to the requirement of quick data - transformation with high accuracy and low power

    採用高速同步鎖存電路和特殊結構的時鐘驅動電路,在保證精度和功耗設計要求上,實現數據快速轉換。
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