航向穩定 的英文怎麼說

中文拼音 [hángxiàngwěndìng]
航向穩定 英文
course stable
  • 航 : Ⅰ名詞（船） boat; shipⅡ動詞（航行） navigate （by water or air）; sail
  • 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...
  • 航向 : azimuth; heading; course （of a ship or plane）; desired track
  • 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. The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc

    摘要介紹了在滿足高超音速再入橫向機動航程，高超音速再入飛行時的升阻比，亞音速進場飛行時的升阻比，縱向靜穩定性裕度和水平著陸速度等飛行性能設計要求下，用罰函數法尋求使航天飛機機翼質量為最小的外形優化方法並給出了算例。
  2. All the research concludes that relaxed directional static stability uavs is realizable

    本文的研究成果表明放寬航向靜穩定性無人機是可實現的。
  3. In the paper, the effects of mooring position, towing line length and towing speed on the course stability and towline tension are analyzed firstly for the ship towing system in calm water

    由於在實際海況中，除了受到風、流的影響之外，波浪作用力所造成的影響更為巨大，在波力及波力矩的作用，船隻航行的航向穩定性與靜水中相去剩甚遠。
  4. By establishing fuzzy controller " s describing function and analysis of system " s stability, the ship course fuzzy control system is stable

    通過建立模糊控制器的描述函數，分析得出船舶航向模糊控制系統是穩定的結論。
  5. Prior to impact, there was two times where aircraft closed within three to five feet of my aircraft. we were definitely concerned at this point, but we were heading away. we were heading about 070, holding altitude

    在碰撞前，有兩次中方飛機都在距我的飛機3英尺到5英尺以內。我們那時當然擔心，但我們正在離開。我們的航向約是東北方位70 ，高度固定，在保持飛機平穩。
  6. Reliability assessment of xi - luo - du underground water - power plant : the results have been used by the cheng - du surveying, design and research institute for the preliminary design ; （ 2 ） the stress and strain analysis for the xiao - guan - zi sluice and its foundation : the report has been applied for the reinforcement of the foundation ; （ 3 ） the thermal control procedure for the no. 7 - 14 power plant dam segments of the three gorge project ： the research report provides the effective and efficient methods for the controlling of the temperature field in the mass concrete structure ; （ 4 ） the software system development for the long - term monitoring for dikes ： the software can automatically give the results of the seepage field and the probability of soil piping of dikes and underground ; （ 5 ） reliability assessment of xiang - jia - ba underground water - power plant : the results have been used by the zhong - nan surveying, design and research institute for the preliminary design ； （ 6 ） fatigue reliability estimation of shipping berthing pillar : the results give the optimized design scheme and prediction of the structural age ; （ 7 ） 3 - d static and dynamic stochastic finite element analysis for the strength, stability and thermal control problem for xi - luo - du project

    溪洛渡水電站超大型地下洞室群圍巖穩定的安全可靠性分析：被成都勘測設計研究院應用於比選報告及可行性論證中； （ 2 ）小關子水電站攔河閘壩及地基的應力應變分析：被成都勘測設計研究院應用於地基加固處理方案； （ 3 ）三峽廠房7 # - 14 #壩段溫控並縫措施研究：為廠房壩段並縫方案的可行性提供了依據； （ 4 ）堤防工程體系的長期監控預報預警決策系統開發：為監控、預測預報堤防滲漏管涌破壞提供分析軟體； （ 5 ）向家壩地下洞室群圍巖穩定的安全可靠性分析：被中南勘測設計研究院應用於初步設計方案中； （ 6 ）靠船墩的疲勞可靠度研究：為廣東航運規劃設計院的靠船墩優化設計和加固提供依據； （ 7 ）溪洛渡高拱壩壩體壩基（壩肩）強度和穩定的三維靜動力隨機有限元分析及可靠度計算：為溪洛渡重大工程壩體的靜動力安全穩定性及溫控方案提供依據。
  7. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律，並耦合進氣畸變的影響，同時與壓氣機氣動性能和氣動穩定性相關聯，作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機（ lsc ）試驗器，採取在靜子葉片表面埋入動態壓力傳感器的實驗方法，對葉尖、葉中和葉根三個截面的動態壓力進行了測量，獲得了大量的可靠的實驗數據。
  8. Traditional ship direction keeping and rolling stabilization are referred to be two different problems

    傳統的船舶航向保持和橫搖穩定是分別作為兩個獨立的問題來處理的。
  9. It analyzes that the vocational instruction in ordinary middle school has orientation - guide function of students " jobs. vocational instruction also contributes to the guide function of training target ; to the whole society system, it adds the function of stability and adaptation and to the social economy, the function of micro - improvement. it mentions the implementing principles of vocational instruction in middle school including the educational principle, scientific principle, developing principle, systematical principle, assistant principle and cooperative principle

    分析了普通中學職業指導對學生的職業方向導航功能，對普通中學而言、職業指導是有培養目標的導向功能，對社會結構它具有穩定和調整功能，對社會經濟具有微觀促進功能，論述了普通中學職業指導的實施原則包括教育性原則、科學性原則、發展性原則、系統性原則、輔助性原則、合作性原則。
  10. To study the way to settle the yawing and rolling stability

    研究解決無尾布局橫航向穩定性的氣動力措施。
  11. Course stability index

    航向穩定性指數
  12. Static course stability

    靜航向穩定性
  13. In the past time, people are often concerned about the maneuverability in the still water, for example, the course - keeping stability, turning ability and so on

    過去，人們注意的往往是靜水中的操縱性，如航向穩定性，回轉性能等。
  14. Then the effect of the wind, the current and the wave are added in the numerical model to investigate the effect of each factor, especially for the wave with different sea states

    因此，在文中先於靜水對系纜位置、拖纜長度、拖帶速度等要素對拖帶系統航向穩定性及拖纜張力變化的影響進行分析，以了解拖纜系統的基本特性。
  15. The result shows that the solar radiation pressure moments play a mainly part. based on kalman filtering, three kinds of attitude determination algorithms were studied using the attitude sensor now available on the explorer : the first based on digital solar sensor ( dss ) and gyroscope when the star sensor is not available ; another based on dss, high - gain antenna ( hga ) and gyroscope when the explorer is in the earth - safe mode ; the third based on star sensor combined with gyroscope when the explorer is in the normal mode

    針對配置了典型測量敏感器的深空探測器，基於擴展kalman濾波給出了其姿態確定的方法:針對星敏感器不可用情形，給出了使用太陽敏感器和速率陀螺定姿的濾波器演算法;針對安全模式下的對地穩定定向情形，給出了太陽敏感器和高增益天線融合速率陀螺信息的定姿演算法;針對正常巡航模式給出星敏感器和速率陀螺聯合定姿演算法。
  16. One of a pair of movable boards or plates attached to the hull of a sailing vessel to reduce downwind drift

    一種漂在船后的帆布覆蓋的肋骨；可以防止船在風中漂移穩定船頭的航向。
  17. Nevertheless, some manned flight mission requires the spacecraft has high pointing and stabilizing precision. so, it needs us to quantitatively analyze the astronautic disturbances, so as to evaluate flight mission and guide or improve spacecraft system design especially the attitude control system design

    有的載人飛行任務需要航天器具有很高的指向精度和穩定度，這就需要對航天員的擾動進行定量分析，以便對飛行任務進行評估並能指導或改進航天器系統設計特別是姿態控制系統的設計。
  18. In ship steering controller design, the nonlinear ship model should be written in siso strict feedback form. we start the recursive design with the system first state variable and continue with the second one. by introducing a change of coordinates, we choose lyapunov functions to stabilize the system and obtain the control law

    在船舶航向控制方面，考慮船舶的穩態回轉非線性，應用backstepping方法設計：首先把系統化成單入單出的嚴格反饋控制形式（呈下三角結構） ，假設系統后一個狀態變量是前一個狀態變量的虛擬控制，通過適當的變量代換，在每一步構造李亞普諾夫函數，使前一子系統在虛擬控制下漸近穩定，逐步遞推出控制器控制規律，使整個系統在平衡點滿足一致漸近穩定性。
  19. Firstly, while the nominal model is used, the filtering effect is very good. secondly, when the system model is n ' t definite, the filtered heading angle and rudder angle are steady in the error range. finally, when the complicated nonlinear wave model replaces the linear wave model, the filtering effect is also steady, and the estimate precision is high

    首先，模擬是在名義模型的情況下進行的，此時h _濾波器的濾波效果很好；其次，我們在系統模型具有攝動的情況下進行模擬，此時經h _濾波器濾波后的航向輸出和舵令輸出基本能夠達到穩定；最後，我們採用較復雜的非線性海浪模型代替線性海浪模型進行模擬， h _濾波器的濾波效果也是比較穩定的，並且估計精度較高。
  20. In the end of the paper, the lqt based on ga is applied to design the flight control system of rss uavs. the intensive simulation verified the validity of our research

    最後，應用基於遺傳演算法的線性二次型跟蹤器技術對放寬航向靜穩定性無人機的飛行控制系統進行設計，試驗結果驗證了研究成果的有效性。
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