旋進運動 的英文怎麼說

中文拼音 [xuánjìnyùndòng]
旋進運動 英文
precessional motion
  • 旋 : 旋Ⅰ動詞1 （旋轉） whirl 2 （用車床切削或用刀子轉著圈地削） turn sth on a lathe; lathe; pare Ⅱ名詞...
  • 進 : 進構詞成分。
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  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. Analyse the tooth geometry of klingelnberg cyclo - palloid spiral bevel gear., according to the relative position and kinematic relation of the cutter heads, virtual crown gear and the processed wheel blank, established the system of coordinates of the gear cutting, dedcuced the tooth face equation of the virtual crown gear, according to relations of the gear cutting and space theory of engagement, deduced the tooth face equation of klingelnberg cyclo - palloid spiral bevel gear, and drawing the three - dimensional graphs of the virutal crown gear and klingelnberg cyclo - palloid spiral bevel gear according to the design and setting parameters

    對克林貝格擺線齒錐齒輪進行齒面幾何分析。根據銑齒加工中刀盤、搖臺和輪坯的相對位置和相對運動關系建立了切齒嚙合坐標系，由矢量的旋轉推導了產形輪齒面方程;根據空間嚙合原理和切齒嚙合關系推導了被加工齒輪的齒面方程;由設計參數和銑齒調整參數計算得到齒面離散數據，繪制了產形輪和擺線齒錐齒輪的三維齒形。
  3. The relations reflect the nature of the tectonic movement, that is, gradual or cyclic.

    這些關系反映出構造運動的性質，是漸進的或是旋迴的。
  4. In addition, the trajectories of oil droplets entering the hydrocyclone were computed by using the particle obit model. thereby the separation efficiency of the hydrocyclone can be obtained

    另外，本文用顆粒軌道模型計算了進入水力旋流器的油滴顆粒運動軌跡，在此基礎上，得出了水力旋流器的分離效率曲線。
  5. Variable diameter rotor is an effective method to improve the aerodynamic performance of tilt - rotor in both hover and cruise state. on the basis the research before, the variable diameter tilt rotor structure design has been finish, and in virtue of the technology of virtual prototyping to simulate and analyze the kinetic, dynamic and intensity property of it

    變直徑傾轉旋翼能有效的改善傾轉旋翼機懸停和巡航狀態下的氣動效率，本文提出了變直徑傾轉旋翼試驗模型設計方案，完成了可變直徑傾轉旋翼的結構設計，並利用虛擬樣機技術對變直徑傾轉旋翼的運動特性、結構動力學特性以及結構強度進行了分析、研究。
  6. This contrasts with the computation of fundamental matrices and trifocal tensors, which use only a subsequence of 2 and 3 views respectively. secondly, in our methods, the essential geometry of the image single axis geometry may be specified by six parameters and this may be estimated from one conic and one fundamental matrix ( a total of 12 parameters ) or may be minimally estimated from two conies ( a total of 10 parameters ). previous methods have involved estimating more than this minimum number of parameters

    從本質上講，本文提出的演算法是一個多視角幾何演算法，它充分利用了所獲得的圖象序列，將單軸旋轉運動的幾何信息很好地融入於二次曲線當中，從而創新地提出了利用二次曲線對單軸旋轉運動的不變量進行分析的方法，並首次求解出了單軸旋轉運動中的全部不變量。
  7. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。
  8. The study indicates that erf couplings could be conveniently controlled, intermittent rotation could be easily obtained. it is expected that the erf coupling could be used in flexible transmission systems

    實驗結果表明電流變液具有很好的控制性能，可以很方便實現旋轉運動的間歇進給，並且輸入和輸出之間是柔性連接，可以應用於柔性旋轉間歇運動機構。
  9. Pitch control system consist of three channels which is formed by three drive units. base on need of bench, drive system scheme is designed. single channel three - loop position servo system which is formed by linear motor is simulated. then kinetic behavior of rotor and system ’ s force coupling relation is analyzed. a compensation method for dynamic load which is caused by rotor rotation is presented base on structure - invarient theory

    根據實驗臺的技術要求，設計了整個驅動系統方案。對由直線電機構成的單通道三環位置伺服系統進行了設計和模擬。分析了旋翼運動的動力學特性、系統力耦合關系，並根據結構不變性原理對由旋翼運動產生的動態載荷提出了補償方法。
  10. Polarization diversity and maximum ratio combining ( mrc ) is used to restrain the sharp signal fading in the telemetry systems, in which the object is in flight at a high speed and rotating and in low elevation

    在信號極化衰弱現象嚴重的環境中對快速飛行目標、低仰角運動目標以及旋轉運動目標等進行遙測接收時，極化分集最大比合成技術可以有效的改善接收性能。
  11. The linear permanent magnet synchronous motor ( lpmsm ) has avoided the effects of the mechanical transmission chains from rotary motions to linear ones, and has strong electromagnetism thrust, lower cost, small electrical time constant and rapid response etc., which becomes one of the best executive machines in the high - precision and micro - feed servo system

    由於永磁直線同步電動機消除了旋轉電機由旋轉運動到直線運動的機械傳動鏈的影響，且具有電磁推力強度高、損耗低、電氣時間常數小、響應快等特點，使其在高精度、微進給伺服系統中成為執行機構的最佳選擇之一。
  12. When the shaker is working, its roller screen not only vibrates with the shaker deck, but also slowly rotates with the axis of itself, and the drilling fluids returned from annular space are separated inside the roller screen

    工作時篩網筒與篩箱一起振動，同時還繞自身軸線作緩慢的旋轉運動，從環空返回的鉆井液進入篩筒內部進行分離。
  13. The new algorithm starts from an initial estimate which is based on the hough transform, and a rectangular window is centered using the current line approximation, and a new line estimation is generated by making a total least squares fit through the pixels contained within the window. this is repeated until convergence is reached. lastly, we have suggested a new technique which may recover the motion and structure parameters of a moving object by using of 21 optical flow lines based on the optical flow fields of the feature line this thesis is the project supported by aeronautical foundation science ( no. 99f53065 ) and research center of measuring and testing technologies, and control engineering in nanchang institute of aeronautical technology ( no. 2001 - 15 )

    演算法的思路是：首先，在小區域內運用霍夫變換確定直線的初始值；其次，以直線的初始值所對應的直線為中心線，建立一個矩形框；最後，利用矩形框內所包含的邊緣點數據不斷地迭代直至收斂，從而達到進一步修正直線的坐標參數；本文基於特徵直線的光流場，即線流場，建立了一種利用21條光流線確定空間三維物體旋轉運動參數、平移運動參數以及對應的空間直線坐標的線性演算法。
  14. A large - travel high - resolution step rotary micro - actuator with a discrete layout was developed based on the step moving principle

    摘要根據步進運動原理，採用分立式布局，研製了大行程高解析度精密旋轉驅動器。
  15. A flexible electromagnetic hinge was used to realize the anchoring / lossening of the rotor and a piezoelectric pile as the driver and a flexible hinge was used to transform the linear motion of the piezoelectric pile into the rotary motion, thus a precise large - travel step rotary actuation was realized

    該驅動器採用電磁杠桿柔性鉸鏈箝位，以壓電陶瓷為驅動源，採用柔性盤鉸鏈把壓電疊堆的直線運動轉化成旋轉運動，實現了大行程精密步進旋轉驅動。
  16. The spkm ( serial - parallel machine tool ) is a new type of machine tool developed in the recent years. it is consisted of serial and parallel mechanism which increases spkm " s displacement and rotary angle, as well as stiffness, accuracy and feed speed

    混聯機床不僅繼承了並聯機床高剛度、高精度和高進給速度等優點，還具備了串聯機床大移動行程和大旋轉運動角的特點。
  17. The radiation spectrum for relativistic electron moving along curved spiral curve in plasmas is calculated, and also the formula of total energy emitted by a relativistic electron in vacua is derived

    計算了等離子體介質中，沿彎曲螺旋線運動的相對論電子的輻射譜，進一步導出了真空中的能量輻射公式
  18. And it conducts stepless speed change and synchronous movement of driving and rotating, controlled by the advanced electronic technique of frequency conversion

    在電氣系統在先進的變頻技術控制下，實現旋轉平臺無級調速和同步驅動旋轉運動。
  19. This paper makes a preliminary discussion on the possible genesis of such rotation movement, as well as the associated series of geologic processes and its relation to large - scale metallogeny in hunan province and adjacent regions

    本文對這種旋轉運動的可能成因，以及所伴隨的一系列地質作用、與大規模成礦作用的關系等進行了初步探討。
  20. The paper analyzed the typical method of positioning of optical fiber in astronomic observation. according to the structure ' s characteristics and the working demands of lamost, bring forward the new plan on positioning of optical fiber that the focal plane is divided up many unit zones

    通過對天文觀測中光纖定位典型方法的分析，結合工程的特點和工作要求，提出了在焦面上進行分區，並且在單元區域內做直線運動和旋轉運動的雙電機單元光纖定位機構的方法。
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