縱向穩度 的英文怎麼說

中文拼音 [zōngxiàngwěn]
縱向穩度 英文
longitudinal stability
  • : Ⅰ動詞1 (釋放; 放走) release; set free; let go 2 (放任; 不約束) indulge; give oneself up to; l...
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 縱向 : [造紙] direction; machine direction; endwise; longitudinal direction; vertical; longitudinal縱向...
  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,定性裕和水平著陸速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. These results indicate that the magnetic field should have upper stability when the particle beam is low polarized while the requirement of the stability of the magnetic field can be lowered when the particle beam is high polarized in the experiment of producing the polarization of the particle beam. and the complementariness can be used as a negative feedback to stabilize the polarization of particle

    這一結果表明,在產生離子束極化的實驗中,在離子束低極化的前期階段,磁場應具有較高的定性,而在離子束極化較高的後期階段,磁場的定性要求可以放鬆;自旋的分量的無規漲落和橫分量的無規漲落的互補性有可能用來做成定離子極化的負反饋。
  3. At the same time, on the basis of above results, the stability problem of the polarization of particle self - spin is discussed in irregular magnetic field of accelerator. the discovery that the low degree polarization system is very sensitive to the irregular magnetic field while the high degree polarization system is very stable is found. the irregular fluctuation of the vertical ponderance is complementary to that of the horizontal ponderance due to the self - spin conservation

    同時,在此基礎上,利用su ( 2 )代數動力學方程研究了加速器中帶自旋離子的極化對磁場的含時無規擾動的定性問題,發現:低極化的系統對磁場無規擾動十分敏感,而高極化的系統對磁場無規擾動十分定;自旋守恆導致自旋的分量的無規漲落和橫分量的無規漲落存在著互補性。
  4. The axial magnetic field distribution on center surface of contact gap and contact piece are calculated when the current is at peak. it can be found that the intensity of axial magnetic field and radial magnetic field uniformity are strengthened after the iron core is put into, this helps to improve the stability of the vacuum arc

    計算了電流峰值時觸頭間隙中心平面和觸頭片上的磁場分佈,可以看出加入鐵芯后磁場強和徑磁場均勻性增強,這有利於提高真空電弧的定性。
  5. Effect analysis on basic flight performance for a rlss aircraft

    某機放寬效益分析
  6. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的位置成高斯變化規律,測量范圍和靈敏依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏分別是13 . 045mm和0 . 148mw / pm 。
  7. Firstly, for the system of moulding board and support frame in construction the side pressure and screws are analyzed. the material and structure form of support frame are discussed. the design of support frame uses the method of limited state, and also it analyses the integer stability, part stability, and single stability, and then proposes the load analysis of multi - level support frame

    首先,針對轉換層梁模體系及支撐架施工,重點分析了轉換層結構現澆混凝土對模板側壓力值及模板對拉螺桿的計算;討論了轉換層支撐體系的形式及構造,詳細論述了基於極限狀態設計的支撐架計算方法,包括水平桿的強驗算、立桿的整體定性、局部定性、單肢桿件定性等驗算,並提出了多層支撐架的施工荷載計算方法。
  8. The possible factors including the deviation of temperature in length and breadth of rod, the changes of transfiguration resisting force under the changes of temperature, the adjustment of roll gap, the variation of rolling pressure, the changes of roller speed during dynamic adjusting press, the unmatched of seconds - flux under the dimension fluctuation of the coming sample and so on. the whole system was a closed loop which factors in it interacts each other

    可能的影響因素有:沿軋件變化、由溫引起的軋件變形抗力變化、軋機輥縫值變化、負載變化、電機調節系統由不定過渡過程中軋輥轉速的變化(如咬鋼過程中的動態速降后的回復階段) 、來料尺寸波動造成秒流量不匹配等,整個模擬系統是各個因素相互影響關聯的一個閉環系統。
  9. For the case of the north china power grid ( as follower omitted " ncpg " ), discusses these focus question as " ncpg fund dispatching ", " ncpg e - bank ", provides conflict settlement to fund budget and center control by new financial method, computer and internet high - tech skill. the thesis suggests do fund control in all directions, link invest - collect flow with financial fund management together, all fund affairs relatively included in " ncpg fund dispatching ". as a goal, thesis hopes to make fund flow, mass flow and information flow as a line, control fund real time, and realize the enterprise resource planning

    文章針對電網的特徵和區域電力公司財務管理體制特點,對電網經營企業的投資管理和籌資管理作了較為詳細的回顧和分析,並結合當前資金管理中的「現金調」 、 「網上銀行」等熱點話題,以華北電力集團公司為例進行了案例分析,對電網經營企業強化現金調管理,積極妥地開展「網上銀行」業務,提出了思路和建議,初步解決了實際工作中電網經營企業資金集中管理的矛盾;同時,還大力倡導以金融手段創新推動和促進企業資金管理創新,提出了運用計算機、網路等高科技手段,開展資金管理的橫調,把投資、籌資等與資金管理相關的業務環節,納入到資金的綜合調中來,逐步達到資金流、物流、信息流三流合一,實現資金的實時管理,從而使企業內部資源共享,實現企業資源優化。
  10. At the first step of the algorithm, based on the theory of principal component analysis, a modified principal component analysis ( mpca ) approach is adopted to reduce the dimension of data horizontally, then after comparing existing clustering algorithms, an immune clustering algorithm is put forward based on similarity measurement of principle component core for vertical reduction by using related mechanism of clone selection as well as immune network self - stabilization in natural organic immune system for reference

    在進行樣本參量的降維處理時,基於主元分析的思想,採用一種改進的主元分析( mpca )方法用於橫數據壓縮,在壓縮樣本數量時,綜述和比較了現有的各種聚類演算法,借鑒生物體自然免疫系統中克隆選擇以及免疫網路自定等有關機理,提出了基於主元核相似的免疫聚類演算法用於數據壓縮。
  11. The influence analysis is achieved for maneuverability and stability of the coach - bus while the angel stiffness of it ' s lateral stable pole or the position of gravity center is changing

    並討論了橫定桿角剛變化、重心位置變化對大客車操定性的影響。
  12. Since railway is plunged into business, the wheelsets with two wheels fixed to two ends of one axle are commonly adopted in rail vehicle. the advantage of conventional fixed wheelsets is that they have self - steering capability produced by lognitudinal creep moments, however hunting unstability possibly occur when the speed of vehicle becomes higher, so independently rotating wheels are attached importance to increasingly

    自鐵路運營以來,鐵道機車車輛的輪對基本上都採用兩個車輪緊固在一根車軸兩端的形式,這種傳統固定輪對的優點在於它具有蠕滑力產生的偏轉力矩從而使輪對具有自導功能,但是在蠕滑力矩的作用下,當車輛運行速較高時就可能產生蛇行失
  13. In the inversion of well - log and the extraction of features, the walsh function and sequence analysis is introduced, which raises the vertical resolution, protrudes the limit of layers and extracts more effective features

    沃爾什函數及序譜分析被用到了測井曲線反演與特徵提取上,結合測井曲線的短期平性,提高了測井曲線的解析,突出了薄層和層段界限,並提取了有效的序譜特徵。
  14. Using the indices of trajectory follow error and steering busyness in evaluation of the steering stability, a quadratic form performance index function for the neuron learning was established and the tuning of the connection weight values of the single neuron controller was realized using the algorithm of gradient descent

    利用操定性評價中的軌跡跟隨誤差和方盤忙碌程的評價指標,建立了神經元學習的二次型性能指標函數,並採用梯下降演算法實現了單神經元控制器的滾接權值的調整。
  15. Guarantee the safety of this project. this experiment focus on the failure mode and the ultimate bearing capacity of these columns. besides, this experiment also study the rule of the development of the deflection, the crack, the strain and the stress with the process of this experiment.

    通過此次試驗重點研究重慶大劇院框架細長柱的破壞形態(是強破壞還是失破壞)和極限承載能力,同時研究構件的變形、裂縫、應力應變隨加載的發展變化規律及其破壞過程,為本工程及今後此類細長柱結構體系的設計提出一些有益的建議。
  16. Form the practical engineering point of view, the longitudinal natural stability of anti - submarine helicopter is analyzed, the stabilized loop of the pitch angle is systematically studied. this paper is mainly on the design and simulation of the stabilized loop of pitch angle with classic control method and fuzzy control method and many useful results are achieved. the main work of this paper can briefly described as follows : after the mathematical models of aircraft was build with relevant date, the stabilized loop of pitch angel was designed and simulated

    本文從工程應用的角出發,分析了國產直九c反潛直升機的自然定性,分別應用古典控制和模糊控制的方法,系統地研究了國產直九c直升機的姿態角定迴路、速迴路、高迴路、自動過渡等,對姿態角定、速、高、自動過渡迴路進行了控制律的設計與模擬,取得了良好的控制效果。
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