預計彈道 的英文怎麼說

中文拼音 [yùjìdàndào]
預計彈道 英文
planned trajectory
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 彈 : 彈名詞1. （彈子; 小球形的東西） ball; pellet 2. （內裝爆炸物, 具有破壞和殺傷能力的東西） bullet; bomb
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 預計 : estimate; calculate in advance; expect
  1. According to the principle of ring - like strands operation, the mechanical analytic solution of presressed concrete penstock under the uni - ring - like radial loads is given out based on the theories of elastic footing beam

    根據環形預應力作用機理，結合彈性地基梁理論，提出了單環預應力作用效應的計算方法和預應力混凝土壓力管道施工階段的驗算方法。
  2. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先，分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理，結合包含損傷和應變率效應的材料動態本構方程，建立了纖維復合材料板彈道極限速度的預測公式；其次，根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點，建立了陶瓷/復合材料靶板抗彈性能分析模型，給出了彈道極限速度預測公式；最後，利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題，對雙層陶瓷復合靶板的優化設計進行了分析，給出了在一定面密度下的最佳優化系數，討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。
  3. They are applied to different situations and verified by experiments. analysis model of small ap oblique penetrating ceramic / metal light armor is established on the basis of energy model and the assumption of ellipse absorbing the same energy in back plate, giving the predictable formula about ballistic limit velocity. with energy model the optimization design in relation to ceramic / metal light armor is analyzed and the optimal coefficient of ceramic / metal composite armor is gained

    本文的主要研究內容如下： （一）建立了小型穿甲彈垂直侵徹陶瓷/金屬輕型裝甲的動量模型和能量模型，它們分別適用不同情況，並通過試驗驗證；基於能量模型和背板橢圓吸能相同假設，建立了小型穿甲彈斜侵徹陶瓷/金屬輕型裝甲的分析模型，給出了彈道極限速度預測公式；利用能量模型對陶瓷/金屬輕型裝甲的優化設計進行了分析，給出了陶瓷/金屬復合裝甲的最佳優化系數。
  4. In the paper, the projectile pushing process on firing is analyzed. the quantitative computational model of the projectile velocity to gun bore wear is built. finally, taking the 120mm gun for example, the relation of projectile velocity to gun bore wear is calculated, the phenomenon of trajectory peak is analyzed

    分析了射擊時彈丸擠進過程，建立了彈丸初速下降量與炮膛內膛磨損量計算模型，並以某火炮為實例計算了該炮彈丸初速下降量與炮膛內膛磨損量之間變化關系，分析了彈道峰現象，為身管壽命預測提供理論依據。
  5. In this paper, detecting and surveillance process of ballistic missile with low satellite of sbirs is studied deeply

    本文以天基紅外系統中的低軌道衛星為觀測平臺，針對低軌預警衛星對彈道導彈的跟蹤及彈道估計演算法展開深入研究。
  6. It is shown that the results calculated using the ccdwa are agreement with one of the accurate quantum mechanics employing the same potential. quantum mechanical tunneling is important in near threshold, and classical trajectory calculation is not good for prediction of the cross sections. the reaction cross sections calculated using different potentials is different, which show that the investigation of reaction cross section can provide evidence for test of accuracy of the potential energy surface

    研究發現：勢能面相同時用ccdwa方法計算的截面和公認精確的量子力學結果比較符合；閾能附近的量子力學隧道效應較為顯著，準經典彈道方法不能很好的預言其截面；用不同勢能面計算的反應截面有差別，說明反應截面的研究能為檢驗勢能面的準確性提供依據。
  7. Aimmed to retard the response of ballistic missile defence system, the wavy trajectory with three crests is designed in this thesis to replace traditional parabola one. this kind of trajectory make anti - defence system have lots of difficulties to detect and compute the track and destination of ballistic missiles before reentry. so, applying the wavy trajectory can greatly improve the anti - defence ability of ballistic missiles

    從延緩導彈防禦系統的早期預警時間著手，將傳統彈道導彈的拋物線彈道中段設計成有多個波峰的跳躍式彈道，使得探測系統在導彈再入大氣層之前，很難準確探測和計算導彈的落點，使得防禦系統防不勝防，從而大大地提高了彈道導彈的突防能力。
  8. The swelling is the secondary reason for large deformation. by the elasticity - plastic fem analysis and the flow deformation analysis through inspecting system to the rock ii3, getting that the total deformation is within the quantity set aside

    通過對鷓鴣山隧道_ 3圍巖變形性狀進行彈塑性有限元數值計算並利用監控量測資料進行軟巖流變分析，得出其總變形在預留變形量之內。
  9. This paper aims at developing a new method that can calculate burning surface of complicated 3d grain and defects grain to improve precision of interinal ballistic performance simulation and grain design level

    本文旨在發展一種能精確計算復雜三維裝藥和含缺陷裝藥的燃面計算方法，以提高裝藥設計水平和內彈道預示精度。
  10. The estimate algorithm of missile ’ s states and trajectory ’ s parameters by early warning satellite is a key technology of information processing

    利用預警衛星對彈道導彈的狀態估計與彈道參數估計的演算法研究是導彈預警信息處理的一項關鍵技術。
  11. Research of the state and covariance estimation for ballistic missile and the way of tracking missile using early warning satellite is an important technology

    預警衛星對彈道導彈的跟蹤與彈道參數估計演算法研究是彈道導彈預警系統的一項關鍵技術。
  12. The missile ’ s lunch point parameters and burnout point parameters are estimated using boost phase state estimation, and the impact point is predicted according to ellipse trajectory theory. and the effect of the estimation error of the burnout point on the impact estimate precision is analyzed

    應用主動段的狀態估計值估計了導彈發射點參數和關機點參數，根據橢圓彈道理論進行了落點預報，並分析了關機點參數估計誤差對落點估計精度的影響。
  13. Secondly, aiming at measurement being only from one satellite and the ekf being not stable, the measure equation is improved. transforming the form of angle measurements by the imaging theory, linearization of measure equation is realized by fake data of measurement. parameter of ballistic missile trajectory is estimated by using ekf, and the simulation shows that the unstabilization problem of ekf with true measurements is solved by using ekf with fake measurements

    在僅有一顆預警衛星能夠觀測到目標的情況下，針對擴展卡爾曼濾波不穩定的問題，對觀測方程進行改進，利用光學成像系統的原理，將測量量進行變換，並利用新生成的偽測量量使測量方程線性化，再利用擴展卡爾曼濾波演算法對目標的彈道參數進行估計，最後，通過數學模擬來證明利用偽測量量的擴展卡爾曼濾波解決了單顆衛星觀測時利用真實測量量的擴展卡爾曼濾波不穩定的問題。
  14. 5. aiming at the specific mission that intercept the warhead of tactical ballistic missile, the new issue for designing the guidance law is analyzed, and a new guidance method that fit for the mid - course is presented, based on the idea of predicting the intercept point. to design a feasible terminal guidance law, the shortcoming existing in the proportional navigation when intercepting the warhead is firstly

    針對攔截戰術彈道導彈這一特殊任務，分析了導引律設計面臨的新問題，提出了以預測攔截命中點為思想的中制導段導引方法，研究了末制導段比例導引律彈道形狀和過載分佈特點，在此基礎上為了改善比例導引律的缺陷，引入了目摘『要標機動加速度和導彈軸向加速度等信息、 ，又寸比例導引律進行了修正，井對導引律中各參數進行了優化。
  15. In this dissertation, missile ’ s states in the boost phase and trajectory parameters estimate algorithms are studied by using angles of arrival measurement from space - based infrared sensor, and the availability and precision is validated through simulation

    本文主要利用地球同步軌道的預警衛星敏感器探測的目標視線角測量，對導彈主動段運動狀態和彈道參數估計演算法進行了研究，並通過模擬驗證了方法的有效性和可行性。
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