穩定坐標系 的英文怎麼說

中文拼音 [wěndìngzuòbiāoxì]
穩定坐標系 英文
stabilized coordinate system
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 穩定 : 1 （使穩定） stabilize; steady 2 （穩固安定） stable; steady 3 （物質的性能不易改變的作用） stabi...
  1. Firstly, the methods to restrain the effect of ship swing are studied for two - axes shipbome radar. two different methods based on ship rectangular frame and inertial frame are proposed separately according to consistence of radar base angle and beam angle

    本文首先研究了艦載兩軸雷達系統抑制船搖的方案，對雷達天線轉角和波束轉角一致和不一致的情況，分別提出了基於甲板坐標系穩定和基於大地坐標系穩定的不同方法。
  2. Tracking performance is bad to anti - jamming and unstable in cartesian coordinate using ekf because of the bearing - only problem existing in the ir sensor

    由於紅外傳感器只能獲得角測量信息，在直角坐標系下子跟蹤系統不穩定，抗干擾能力差。
  3. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性方程，文中發展了求解的高效數值方法:引進法向變換，使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式，這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式，大大加速收斂並得到更精確的特徵值。
  4. The clearness and solidification of bushism concept, system and practical operation, have provided the writer with the evidence and stable coordinate as follows : to reveal the essiential content of bushism from the us multicultural and multipolitical angel and through this crack to dissect directionally the trend and reasons of bush government al asia - pacific strategy, then further to find out the way of decomposition and combination of the political powers in asia - pacific region, accordingly re - structure the new system of the security pattern in asia - pacific region

    「小布希主義」的理念、體系和實踐運作的明朗化和凝固化，為作者如下研究工作提供了必要的證據和穩定的坐標，即從美國的多元文化和多元政治結構人手揭示「小布希主義」的內在本質，並以此為切口對其亞太戰略動向和原因進行定向解剖，進而探囊取物，以國家和跨國家集團為單位尋找亞太地區政治力量的分解組合方式並由此重構亞太地區安全格局的新體制。
  5. A combined neural network and genetic algorithm with solving stability safety of homogeneous slope was proposed and the finite element method is applied to analysis the progressive failure process of the slope and the maximum equilibrium theory, requests out stability safety of homogeneous slope with the smooth arc radius of difference with the difference below the level coordinate of arc peak, utilizing the neural network algorithm to establish slidng the nonlinear mapping relationship between level coordinate of arc radious and arc peak, being adapted the neural network algorithm to look for along the minimal stability safety of homogeneous slope and corresponding arc radious and arc peak

    提出了求解邊坡穩定性安全系數的神經網路與遺傳演算法。該方法採用有限元分析和極限平衡理論，求出不同的滑弧半徑和不同的弧頂水平坐標下的邊坡穩定性安全系數，利用神經網路演算法建立滑弧半徑和弧頂水平坐標與安全系數之間的非線性映射關系，採用遺傳演算法搜索邊坡的最小穩定性安全系數及相應的滑弧半徑和滑弧中心坐標。
  6. Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control

    本文結合相關技術的介紹和分析，描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現，此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備，該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能，同時該設備的驅動程序基於wdm模式，並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面，能夠方便地運行在windows98 / 2000 / xp操作系統平臺上，具有實時性強、工作穩定、通用性較好和性價比高等特點。
  7. It also builds the mathematic model of all section of vscf ac exited wind power generation system on a - b - b and d - q coordinate system by the coordinate commutation technology. the thesis gives the characteristics of torque, active power, reactive power and the steady - state analysis of it. it proves that the capability of wind generator is determined to slip, the amplitude and phase of rotor voltage, the phase dispatch between stator voltage and rotor voltage

    並分析了交流勵磁風力發電機作變速恆頻運行時的工作原理，闡述了與同步發電機、異步發電機的不同之處，分析了其能量平衡關系，在坐標變換技術的幫助下，詳細推導了交流勵磁發電機在a - b - c坐標系和d - q坐標系下的數學模型，分析並模擬了其有功和無功特性、轉矩和功率調節特性、穩態運行和機械特性，證明了發電機的性能由轉差率、轉子電壓的相位和幅值、定轉子電壓相位差所決定的。
  8. Second, the coordinate figure of the first and second principal components is of great audio - visual sicnifcance. it can clearly show the distinguishing feature and similarity. this is a very useful analyzing means. third, the factor analysis can be used completely to analyzing the aligning datas in time, its calculating results reflect totally the developmental trend and changing reasons of the textile industry in tianjin

    分析結果表明： （ 1 ）在適當選取指標后，使用主成分分析法，可以將第一主成分作為一個地區綜合經濟實力的度量，其公式具有穩定的系數且結果可靠可信： （ 2 ）主成分坐標圖（如圖3 ）具有很強的直觀意義，各省市的特點及相似性都非常清楚地展示出來，這是一個很有用的分析工具； （ 3 ）因子分析法完全可以作為時間序列數據的實證分析，其計算結果客觀全面地反映出天津紡織工業的發展趨勢及其變動原因。
  9. A powerful tool of dynamical system analysis named normal form method is presented in this dissertation, and then it was used to analyze oscillation phenomena in interconnected power grids. using nonlinear coordinate transformation of normal forms, a fully described power system can be converted to an equivalent reduced order model, which can still use the conventional modal analysis of small signal stability problems

    論文將動力系統非線性分析的正規形理論應用於互聯系統低頻振蕩分析中，利用正規形方法的非線性坐標變換，將高階電力系統轉化為等價的低階系統，在保留非線性信息的同時，使其仍然可以使用常規小信號穩定研究的模式分析方法。
  10. This strategy has many advantages : solving the problems that the system is unsteady under super - synchronization ; improving power factor of stator ( it is unity relative to that of rotor ) ; no rotor position sensor and no initial position measurement, easily building up doubly fed speed adjustment system with speed sensorless because adjusting speed is taken in the rotor coordinate and rotor current vector fixing is implemented

    該方案由於引入了定子電流勵磁分量的閉環控制，使系統同時具有轉速和勵磁調節兩個調節通道，具有如下優點：一、解決了超同步工作工況不穩定的問題；二、提高了定子側的功率因數（與轉子側功率因數為1相比） 。三、由於速度調節在轉子坐標系下進行，並以轉子電流矢量定向，所以無須轉子位置傳感器，也不用檢測初始位置，易於組成無速度傳感器雙饋調速系統。
  11. The central contents in this paper is : first, the reference frame is defined and the movement equation and the transfer function of the body are proposed in portrait plane. so the module of the center of mass stabilization loop is proposed

    本文研究的主要內容是：第一，定義了坐標系，並在導彈的縱向平面內推導了彈體的運動方程和傳遞函數，確定了質心穩定迴路的模型。
  12. The paper analyzed the basic theory and mathematic model of three phase voltage pwm inverter and proposed one kind of control strategy based on the voltage - current double - loop. it used the exterior loop to control the voltage the eps outputted, and used the inner loop to control the current. simulation testified that the control method could improve the dynamic response character and interference rejection ability

    在建立三相電壓型pwm逆變器在兩相同步旋轉坐標系下的數學模型的基礎上，提出了一種三相電壓型pwm逆變器基於電壓電流雙閉環的控制方法，利用電壓外環實現對輸出電壓的穩定控制，電流內環實現對輸出電流的控制，模擬證明該方法有效地改善了系統的動態響應及抗干擾能力。
  13. The characteristic of all of world coordinate system is, coordinate of every time fixed position and locate coordinate does not have a relation last time, the coordinate location system that touching screen is an independence on physics, the data that feels every time passes the coordinate that calibration turns to go up for screen, such, no matter be below what circumstance, with respect to requirement feeling screen this covers coordinate, bit samer output data is stable, if be not stabilized, so this feeling screen locates with respect to unwarrantable absolutely coordinate

    絕對坐標系統的特點是，每一次定位坐標與上一次定位坐標沒有關系，觸摸屏在物理上是一套獨立的坐標定位系統，每次觸摸的數據通過校準轉為屏幕上的坐標，這樣，就要求觸摸屏這套坐標不管在什麼情況下，同一點的輸出數據是穩定的，假如不穩定，那麼這觸摸屏就不能保證絕對坐標定位。
  14. On views separation and coordinate standardization, a coordinate axis projection - based approach and an image scanning - based approach are proposed for views separation, the former reduces the compare times of 2d primitive in drawings and raises the efficiency simultaneously, the latter can separate free nember views of engineering drawing accurately and it has no correlation with complexity of primitive, then, two sets of 2. 5d coordinate systems are introduced as intermediates to relate the 2d original drawing system to the 3d space projection coordinates anfd a formal technique is developed for constructing transformation matrices between coordinates

    3 .在工程圖視圖分離和坐標規格化方面，提出了改進的坐標軸投影分離演算法和基於圖像掃描的視圖分離演算法。前者減少了工程圖中二維實體的比較次數，提高了運行效率;後者可以準確分離具有任意視圖數目的工程圖，且演算法的穩定性與邊界復雜度無關。通過引入二維半中間坐標系推導出了從繪圖坐標繫到空間投影坐標系轉換的轉換運算元並給出了基於轉換運算元的坐標規格化演算法。
  15. After analyzing the mathematical model of wind turbine and doubly - fed induction generator, a schematic is given about the power flow in the wind turbine and generator and a static equivalent circuit is shown as well. then, through the reference frame transform, the electromagnetic equation, dynamic equivalent circuit, and vectorgraph of doubly - fed generator can be gotten in the dq reference frame. in virtue of the general dynamic equivalent circuit, it produces a asymmetry equivalent

    本文在對風力機和雙饋電機進行了數學分析后，給出了功率在風力機和雙饋電機中的流動過程圖解，同時給出了雙饋電機的穩態等效電路；然後，經過坐標變換，進一步得出了同步坐標系下雙饋電機的基本電磁方程、功率方程、動態等效電路和綜合矢量圖，並藉助通用動態等效電路的形式，得出了便於定子磁鏈分析的不對稱等效電路。
  16. Numerical results are consistent with that of sandia laboratory experiment and agree with that of cth code too. an adaptive mesh refinement under 2d euler structure grid for multi - fluid flow is developed for resolving richtmyer - meshkov, rayleigh - taylor and helmholtz multi - fluid instabilities, and the high resolution interface properties can be obtained

    數值模擬多介質流體richtmyer - meshkov ， rayleigh - taylor ， helmholtz界面不穩定性，用levelset函數定義euler坐標系中界面附近網格自適應判據，使得網格剖分更加合理，既能提高計算精度又能節省計算時間。
  17. Under the two - dimensional body - fitted coordinate, large - eddy simulation ( les ) of turbulent chemically reacting flows in the model afterburner with the v - gutter flame holder was carried out by using parallel computing

    本文在二維貼體坐標系下，對一帶v型穩定器的模型加力燃燒室燃燒流場採用大渦模型進行了并行數值模擬。
  18. The author firstly analyzed the mathematic model of the cascaded brushless doubly - fed machine ( cbdfm ) on the dq and mt coordinate rotating at rotor speed and synchronous speed seperatly, and the equivalent circuit of steady state. the author also analyzed the stator power winding flux oriented vector control strategy of the cbdfm as vscf wind power generator and validated the validity of the model and strategy by the simulation analysis

    此外，本文還首次詳盡地分析了級聯式無刷雙饋電機在轉子機械速dq坐標系、定子同步速mt坐標系下的數學模型，穩態等效電路及作變速恆頻風力發電機運行時的定子功率繞組磁鏈定向矢量控制策略，通過模擬分析驗證了模型和策略的正確性。
  19. The eigenvalues ofjacobian matrix are derived and the stability condition is also presented. according to the bernoulli equation, similar to compressible calculations, pressure damping is introduced to accelerate convergence

    推導了euler方程通量矢量的jacobian矩陣在直角坐標系和曲線坐標系下的特徵值，並由此導出相應的穩定性條件。
  20. In this thesis, the parabolic stability equations ( pse ) in the different coordinate systems are driven from navier - stokes ( n - s ) equations. the stability problems of the boundary layers for three - dimensional body, and the spatial evolution process of the c - type instability are studied

    本文從navier - stokes （ n - s ）方程出發，導出了不同坐標系下的拋物化穩定性方程（ pse ） ，研究了三維物體的邊界層穩定性問題，以及三維擾動的c型失穩的空間演化過程。
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