reentry 中文意思是什麼

reentry 解釋
大氣層再進入
  1. Aerodynamic prediction and analysis for a reentry vehicle with slice - ailerons

    配平翼飛行器的氣動計算及分析
  2. In this thesis, based on pershing ii surface to surface missile, a new kind of ballistic missile was designed with an additional rocket engine, which can be ignited twice. firstly, aerodynamic computational models of missile body and warhead which reentry with supersonic are built according to the task requirements ; secondly, the propulsion system model of missile is built whose first two stages are solid rocket engines and the third stage is liquid - solid combined rocket engine. the nozzle and the shape of the engine are designed to meet the needs of the populsion project ; thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed & optimized ; finally, the ability of a missile ' s breaking through defence is analyzed

    以美國潘興導彈為原型,增加可兩次點火的末級發動機,改裝成具有跳躍能力的地地彈道導彈;首先,根據任務需求,建立了導彈的氣動模型,並建立了彈頭再入時高超聲速氣動模型;其次,建立了導彈推進系統模型,前兩級採用了固體火箭發動機,第三級採用了固?液組合火箭發動機,並在總體方案要求下,對發動機噴管和外形進行了設計;第三部分,建立了導彈質點彈道模型,設計了一條跳躍式彈道,並對跳躍式彈道進行了優化設計;最後,對導彈進行了突防能力分析,從分析的結果可以看出,跳躍式彈道的突防能力比常規的拋物線彈道要強。
  3. The pulse code modulation / frequency modulation ( pcm / fm ) is widely used in most reentry remote sensing ( rrs ) system at the present time in our country

    目前我國再入遙測系統主要採用脈沖編碼調制/調頻( pcm / fm )體制。
  4. Learning classifier system and its application to the aerodynamic shape optimization of reentry vehicle

    自適應分類器系統及其在再入飛行器氣動布局優化中的應用
  5. Improving design of reentry vehicle trajectory optimization using direct collocation method

    基於直接配點法的再入軌跡優化設計
  6. Service facilities around the main entrance reentry gate

    正門入口周邊之服務設施
  7. The site lies under the reentry path of the shenzhou, and because the craft ' s orbit has a different inclination than the international space station ' s, the namibian base could not be used to track flights returning from there

    神舟五號返回地面時將飛越此處,由於它與國際太空站的軌道傾角不同,因此納米比亞追蹤站無法控管自國際太空站返航的太空船。
  8. Conclusion from the analysis : the exploitation and reentry determine the groundwater level behavior, quality of groundwater behavior and temperature of groundwater behavior, but other factors such as rainfall work in some concert with them

    通過分析可知:人工開采和回灌對地下水水位動態、水質動態和水溫動態起著決定性的作用,但大氣降水等其他因素對地下水動態仍有一定的影響。
  9. The flowfields around the reentry blunt body are simulated numerically by solving the navier - stokes with the various thermal and chemical model, such as perfect gas model, vibrational excitation model, equilibrium gas model, and the non - equilibrium gas model of one temperature, two temperature and three temperature

    本文採用完全氣體模型、振動激發氣體模型、平衡氣體模型、一溫度非平衡氣體模型、兩溫度非平衡氣體模型和三溫度非平衡氣體模型進行了鈍體高超聲速繞流流場的數值計算。
  10. Eventually atmospheric drag removes them from orbit by lowering their altitudes until they burn up on reentry into the dense lower atmosphere

    最終空氣阻力會使它們高度降低、移出軌道,在重返地表的過程中,被濃密的低層大氣燃燒殆盡。
  11. Computation of the transient temperature distribution of the spar - rib of the rlv during the reentry

    可重復使用飛行器翼肋的再入瞬態溫度分佈計算
  12. Finally, the aerodynamic shape optimization design examples for three kinds of reentry vehicles are implemented, which involve a reentry vehicle with cruciform flaps, a variable - bend reentry vehicle and a crew transfer vehicle

    本文的最後,應用智能優化設計系統對帶控制舵機動式再入飛行器、可變彎體再入飛行器以及一種載人返回艙氣動布局這三類工程問題來進行優化設計。
  13. Still wait show futures stabilizes field of reentry of period of time

    還是等股指期貨穩定一段時間再入場?
  14. Pcm transmitter is the key part of reentry telemetry system and its level influences the development of the entire system

    Pcm發射機是再入遙測設備的核心部件,它的發展水平直接影響再入遙測系統的發展。
  15. As the important measurement of weapon electronics systems, reentry telemetry system has contributed more to our nation defense

    作為武器電子學系統的重要測量手段,再入遙測系統為我們的國防事業做出了重要的貢獻。
  16. 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。
  17. Reentry and orbital modules of the shenzhou spacecraft

    神舟返回艙和軌道艙
  18. The predictor - corrector reentry guidance algorithm for reusable launch vehicles was studied

    摘要研究了可重復使用運載器的預測校正再入制導方案。
  19. If youre not an america citizen or permanent resident, please check your own status for reentry into united states

    如非美國公民或居民,必需持有有效之回美簽證。
  20. Finally, use the multiple delay model and multiple design point approach to achieve the control law design for the energy management phase of a reentry vehicle

    最後利用多重延遲模型和多重設計點( mdm mdp )方法設計了航天器末端能量管理段的控制律。
分享友人