逆時針度 的英文怎麼說

中文拼音 [shízhēn]
逆時針度 英文
ccw
  • : Ⅰ形容詞1 (方向相反) contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 (抵觸; 不順從) go aga...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : Ⅰ名詞1 (縫衣物用的工具) needle 2 (細長像針的東西) needle like things 3 (針劑) injection; sh...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 逆時針 : anticlockwise逆時針方向 counter-clockwise direction; anti-clockwise
  1. Rotate 90 ccw

    旋轉90
  2. The best scheme was chosen after analysis and comparing and the structure was designed. at same time, the kinematics analysis was conducted, coordinate transformation matrix using d - h method was set up, and the kinematics equation direct solution and inverse solution was deduced, the velocity jacobian matrix was constructed using vector product method, and the values of displacement and velocity of some special point including the wrist point were calculated. secondly, the working space of the robot was analyzed and the axes section of practical working space was drawn

    首先,作者對機器人的設計要求提出了多個方案,對其進行分析比較,選擇其中最優的方案進行了結構設計;同進行了運動學分析,用d - h方法建立了坐標變換矩陣,推算了運動方程的正、解;用矢量積法推導了速雅可比矩陣,並計算了包括腕點在內的一些點的位移和速;然後藉助坐標變換矩陣進行工作空間分析,作出了實際工作空間的軸剖面。
  3. In the east of bohai strait, the seawater has an anticlockwise movement in its main part. in the bohai strait, the characteristic of the depth - average general circulation is that the seawater flows into bohai sea through the northern strait and exits through the southern part

    在渤海海峽外側,海水沿方向流動;在渤海海峽處,深平均的渤海環流都表現為北進南出的特徵,但從環流形態上可以看出,流動並不能直接深入渤海。
  4. This thesis chiefly analyzes the problem of exchanging heat quantity and the methods of the improvement of cooling tower in power station, compares and analyses the advantages and disadvantages of it. this thesis will discuss how to prevent natural - draft counter - flow wet cooling tower from freezing in winter, and compute the areas of draught deflectors

    本文對自然通風流式冷卻塔冬季運行的防凍處理,及預防結冰所應採取的措施進行研究和計算,提出以增加或減少擋風板的高來控制出塔水溫的方法,並對其進行計算分析。
  5. The arc has a sweep angle of 180 degrees, which is counterclockwise in the default coordinate system

    該弧的掃描角為- 180,此角在默認的坐標系中是按方向旋轉的。
  6. Flux position & error in flux magnitude and error in torque are used as fuzzy state variables. fuzzy logic is used for choosing the switching state. a fuzzy logic controller can choose the switching states according to a set of fuzzy rules based on both specialists " experience and knowledge, which improves the response performance of the system effectively during start - up and change in load

    作為本文的一個創新點,對普通的直接轉矩控制在給定轉矩躍變反應較慢的缺點,提出了一種模糊控制器,把磁鏈位置、磁鏈誤差和轉矩誤差作為模糊輸入變量,應用模糊邏輯來確定變器的開關狀態,該模糊控制器根據一套基於專家經驗和知識的模糊規則來選擇開關狀態,從而有效地提高了系統在啟動和負載突變的響應速
  7. ( 6 ) as dean number is increased, the secondary flow firstly becomes symmetry and then the anticlockwise vortexes are enlarged, the contours of axial velocity and the stream function become symmetry, the secondary flow is intensified and the friction factor ratio increases

    ( 6 )增大dean數,二次流先趨于對稱而後方向的二次渦增大,軸向速和流函數等值線趨向于對稱,摩擦系數比增大。
  8. ( 5 ) as torsion is increased, the anticlockwise secondary vortexes and the negative area of the stream function increase ; the axial velocity moves anticlockwise ( annular pipe ) or clockwise ( circular pipe ) ; the friction factor ratio finally reaches the value about 1

    ( 5 )增大撓率,方向旋轉的一二次渦和流函數的負值區域增大,軸向速最大值的位置按(環形截面)或順(圓截面)方向旋轉,摩擦系數比最終趨向於1 。
  9. Firstly we investigated the flow field and temperature field of diffusion fuel. when the direction of centrifugal force as same as the velocity of flow, there is a circumfluence of anti - clockwise

    首先研究了擴散燃燒的流場和溫場。當離心力的方向與流速方向相同,流場有一個方向的迴流區。
  10. We investigated the transformation of the flow field with the increase of centrifugal force. when the acceleration became bigger, the flow field has a main circumfluence of anti - clockwise and a circumfluence of clockwise on the downriver

    研究了流場隨著加速增加的變化情況,隨著加速的增大,當離心力與流速方向相同,流場有一方向的主迴流區,在流場下游有一順方向的迴流區。
  11. 3 a novel recursive least - square ( rls ) blind space - time receiver algorithm based on the constrained condition, which can completely avoid the matrix inversion introduced into by constraints ( comparing with the normal rls ), is proposed for multi - path slow fading cdma channels. the computational complexity of this method is not only lower than that of the normal rls, but also lower than that of both lms and ls blind space - time receiver methods that are realized based on the rosen ' s gradient projection. and the speed of convergence of the presented rls blind space - time receiver algorithm is better than that of both lms and ls blind space - time receiver methods

    3 、對多徑慢衰落通道下ds - cdma盲空接收機中線性約束二次規劃問題提出一種新的遞歸最小二乘演算法,該演算法完全避免因約束而引進的矩陣求運算(相對于常規的遞歸最小二乘演算法) ,不但運算量比常規的要低,而且比基於rosen梯投影實現的最小均方( lms )與最小二乘盲空接收機演算法還低,且收斂速比基於rosen梯投影實現的最小均方( lms )與最小二乘盲空多用戶檢測都好,將提出的新的遞歸最小二乘演算法與提出的數據選擇方案結合起來可以進一步降低其運算量,具有很大的實用價值,最後通過模擬實驗進一步分析了其性能。
  12. A new robust adaptive scheme which are used for tracking of this robot with parametric and bounded external uncertainties is proposed in this thesis. the controller is consist of a controller which is proposed by slotine1 ' 1 and nonlinear continued feedback compensation part. by estimating the unknown physical parameters of robot on - line, it can eliminate the effects result by parameters and external disturbances and guarantee gas and uniform boundedness of parametric estimation. the only information required in setting up the strategy is the output states of jionts, while the inversion of the inertia matrix or estimation the bound of the inertia matrix and measure the jionts accelerations are not needed. it is shown by simulations that the proposed control scheme has quicker convergence velocity and better control precision than paper [ 1 ] and control schemes at present

    對該模型具有參數及有界外部擾動不確定性提出了一種新的魯棒自適應控制策略,控制器由基於slotine的控制器和非線性連續反饋補償控制器構成。通過在線估計機器人的未知物理參數,有效的消除了由參數及外部擾動所引起的不確定性影響,保證系統達到漸近穩定和參數估計一致有界。與現存的許多控制方法相比,該控制策略不需求解慣性矩陣的或估計慣性矩陣的界,不需測量關節加速,而唯一需要了解的只是系統輸出的位置及速狀態。
  13. Turn the valve stem counterclockwise until the valve is fully open and will not turn any further

    旋轉閥桿直到閥門全開為止,不要旋轉過
  14. Firstly, singly linked lists are used as the data structure of this algorithm rather than doubly linked lists or trees as other algorithms use, so less memory space and running time are required. secondly, the relationship between the entry and exit points on the two polygons is found and argumentation, which, with the reasonable operations on the lists, reduces the times that the lists are traversed and allows the polygon to be input clockwise or counterclockwise

    該演算法使用單線性鏈表數據結構,與其它使用雙鏈表或樹結構的演算法相比具有佔用空間少及處理速快的特點;其次,找出並論證兩個多邊形之間進、出點之間的關系,並通過合理的數據結構處理,減少了演算法對多邊形鏈表的遍歷次數,而且允許多邊形既可以按順方向也可以按方向輸入。
  15. Unit circle math, which is used in all of java s trig methods, has 0 degrees pointing right, positive counterclockwise

    單位圓數學用於java中的所有三角方法,它的0指向右,方向為正。
  16. Aimed at special - purpose robot for hydraulic turbine repair, in this paper each aspect of kinematics for the robot including forward and inverse solution of pose, workspace, forward and inverse jacobian matrix, differential motion, forward and inverse solution of velocity and acceleration are detailed analyzed and computed, and then their programs are given in matlab language

    對水輪機修復專用機器人,對其運動學的各個方面,包括位姿分析正、問題,工作空間,正、雅可比矩陣,微分運動,速正、問題以及加速正問題進行了詳細的分析和計算,同給出基於matlab軟體編制的計算程序。
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