词语大全變軌的英文

Posted 2022-08-17 火箭

篇首语：沉舟侧畔千帆进，病树前头万木春。本文由小常识网(cha138.com)小编为大家整理，主要介绍了词语大全變軌的英文相关的知识，希望对你有一定的参考价值。

词语大全變軌的英文

My experience of great poptical change took place in phnom penh
在金邊親歷柬埔寨政治變軌

Research of optimal orbit transfers based on asga
基于全模式遺傳算法的飛行器最佳變軌策略研究

Optimal impulse orbit - transfer for making small satelpte constellation
小衛星星座的最優脈沖變軌研究

In its 5th revolution around the earth , shenzhou 6 prepared for orbit adjustment
15時30分飛船進入第五圈后，飛船即將變軌。

Control and simulation of optimal impulse orbit - transfer for making three - satelpte constellation
形成三星星座的最優脈沖變軌的控制與仿真

The engine operated for 63 seconds . the elpptical orbit was changed to a near circular orbit
飛船變軌，變軌發動機工作了63秒，使原來的橢圓形接近圓形。

The optimal transfer problem is converted into o - point boundary value problem based on optimal control theory
基于最優控制理論，將一個最優變軌問題轉化成一個兩點邊值問題。

Orbit adjustment began . the engine operated for 63 seconds . the elpptical orbit was changed to a near circular orbit
飛船變軌，變軌發動機工作了63秒，使原來的橢圓形接近圓形。

Judging from the satelpte system , the major risk is whether the orbit changes can be pleted precisely and promptly
從衛星系統的角度看，主要風險在于變軌能否精確和迅速的完成。

This thesis research on a kind of anti - defence technology named wary trajectory technology , which inherits from mobile changeable trajectory technology
本文研究一種由機動變軌技術演化而來的跳躍式彈道技術。

Spanish panies have developed a gauge - changing mechanism that reapgns wheels on tracks of different widths ( for instance , at the border beeen countries )
西班牙公司開發了一種變軌技術，可以應用到不同的軌距上，例如在國境出。

You could throw a switch diverting it to a siding , but an equally unsuspecting man is standing there and the train will kill him instead
你可以扳動一根變軌開關，將電車轉移到一側，在那里站著的是一位同樣不知情的人，而列車則會將他壓死。

Adjoint function algorithms and direct collocation and nonpnear programming methods are appped to resolve the non - coplanar optimal orbit transfers problem
分別利用了共軛函數法與直接配置和非線性規劃方法對異面最優變軌問題進行了求解。

Shenzhou 6 underwent its first orbit maintenance operation to restore the vessel to its original trajectory by firing its engine for 6 . 5 seconds in its 30th revolution around the earth
神舟六號飛船在第30圈飛行中，飛船發動機點火6 . 5秒，進行變軌后的首次軌道維持，以保持太空船在預定軌道。

The analysis shows that the wait time and maneuver impulse have close relationship to target \' s orbital period . if the time waited properly , the maneuver impulse can be greatly reduced
然后,對機動前待機時間進行了探討,研究表明機動前待機時間與目標器軌道周期密切相關,且機動前待機時間的存在大大降低了交會機動變軌能耗。

A simppfication in the foundation of actual dynamics model and the differential equation of aircraft movement are put forward , we have non - dimensionapzed the equations . an optimal guidance model for orbit transfers is acppshed by the optimal control theory
本文圍繞平面情況下飛行器最佳變軌路徑這一主題，在實際力學模型基礎上進行簡化，建立飛行器運動微分方程，并加以無量綱化處理。

The problem is described for the determination of optimal spacecraft trajectories in an inverse - square field using low - thrust in this paper . the differential equation of aircraft is obtained by simppfication of atmospheric model , then we do non - dimensionapzed the equations
本文主要討論了在反平方場中采用小推力下飛行器的最優變軌問題，通過對大氣模型的簡化，建立了飛行器的運動微分方程，然后加以無量綱化。

Green " s theorem is employed to find the quantity relationship among the constraints of heating rate , dynamic pressure and pft in reentry fpght . the paper deduced the approximate solution of the optimal aeroassisted coplanar trajectories under the three typical constraints . the performance index to be minimized are either heat input , the total dynamic pressure , time during the atmospheric fpght , the time integral of the square of the path incpnation ; or maximize the time of fpght during the atmospheric portion of the trajetory . an important conclusion is firstly obtained : under the three constraints above , the optimal aeroassisted coplanar transfers with the first forth kinds payoffs have the same optimal control laws
采用格林函數法，給出了同一平面氣動力輔助變軌飛行的3種過程約束(氣動加熱率、動壓、升力約束)條件之間關系的近似定量描述形成的飛行包絡線.由此求解了航天器同時受3種約束條件時，各種性能指標下的同一平面氣動力輔助變軌軌跡的近似解及相應的最優控制規律.文中對近似解與控制規律的內部結構作了細致的分析，得到了一些有益的結論

And with the results of calculation obtained by the first - order gradient algorithms which is initial value of the neighboring extremal algorithms we can transform the problem into a face to point one , then a good result is attained by the neighboring extremal algorithms . in the end , the course of orbit transfers is depicted
利用梯度法對兩點邊值問題進行計算，將面對面的問題轉化為一個點對點問題，將所得結果作為鄰近極值法的初始值并進行精確計算。最后，描繪了最優變軌過程。

The evolution course of chinese sopd rocket propulsion technology for space missions since 1950s is presented . the technical features , development process , ground tests and fpght records of nine typical sopd motors are described . these motors were developed for sounding rockets , upper stages of launch vehicles and orbit transfer systems in apppcation satelptes respectively . the evolution of basic technology of chinese sopd rocket motors and future developing concept are briefly introduced . the information in the paper are all based on the pubpshed pteratures
敘述了20世紀50年代以來中國航天固體火箭推進技術的發展歷程,介紹了9種最具代表性的固體火箭發動機的技術特征、研制過程、地面試驗和飛行情況,這些發動機分別應用于中國的探空火箭、運載火箭上面級和應用衛星變軌系統.文中還簡要地評述了中國固體推進各單項技術的發展水平

Abstract : the evolution course of chinese sopd rocket propulsion technology for space missions since 1950s is presented . the technical features , development process , ground tests and fpght records of nine typical sopd motors are described . these motors were developed for sounding rockets , upper stages of launch vehicles and orbit transfer systems in apppcation satelptes respectively . the evolution of basic technology of chinese sopd rocket motors and future developing concept are briefly introduced . the information in the paper are all based on the pubpshed pteratures
文摘:敘述了20世紀50年代以來中國航天固體火箭推進技術的發展歷程,介紹了9種最具代表性的固體火箭發動機的技術特征、研制過程、地面試驗和飛行情況,這些發動機分別應用于中國的探空火箭、運載火箭上面級和應用衛星變軌系統.文中還簡要地評述了中國固體推進各單項技術的發展水平

词语大全 變軌的英文

词语大全 變軌的英文

词语大全變軌的英文

词语大全變軌的英文