Chapter 3 analyzes numerically the effects for orbit calculation caused by orbital perturbation, parameter error and so on. A precise mathematical model of orbit calculation is given.

第三章通過(guò)數(shù)值法分析了各項(xiàng)軌道攝動(dòng)和參數(shù)誤差等因素的對(duì)軌道計(jì)算的影響，給出了精確的月球探測(cè)器軌道計(jì)算數(shù)學(xué)模型被操高潮了视频。

The orbit of double-side grinding was analyzed,the orbit equation of point p in wheel to wafer was inferred.

分析了硅片雙面磨削的運(yùn)動(dòng)軌跡全网高清国产AV网站，并給出了砂輪上P點(diǎn)相對(duì)于硅片的運(yùn)動(dòng)軌跡。

According to the requirement of a minimum-fuel-consumption, a method of coplanar hit orbit optimization design for SGKW was studied. The dimensionless planar motion model of SGKW was founded, and the optimal control problem of minimum-fuel-consumption coplanar hit orbit was derived into two-point-boundary-value problem according to Pontryagin maximum principle.

針對(duì)燃料最省要求日韩欧美久久精品影视大全免费观看，研究了SGKW共面打擊軌道優(yōu)化設(shè)計(jì)方法小草在线免费观看av，建立了SGKW的無(wú)量綱化平面運(yùn)動(dòng)模型，利用龐特里亞金極大值原理將燃料最省共面打擊軌道的最優(yōu)控制問(wèn)題轉(zhuǎn)化為兩點(diǎn)邊值問(wèn)題主播一多大秀喷水视频。

Then through optimum thrust force acceleration governing equation obtained by Pontryagin maximum principle and the reasonable simplification, the optimum low thrust under the orbit elements is obtained. Finally, the optimum transfer orbit analytic solution is obtained by integrating the equations.

應(yīng)用Pontryagin極大值原理建立航天器最優(yōu)推力加速度的控制方程中国欧美亚洲范冰冰与中字，對(duì)方程進(jìn)行合理的簡(jiǎn)化，只考慮它們的一次項(xiàng)免费a级a一片，忽略其它的高次項(xiàng)手淫视频网站，從狀態(tài)方程中得出小推力對(duì)軌道根數(shù)產(chǎn)生的攝動(dòng)影響，然后分別對(duì)它們進(jìn)行積分婷婷五月丁香四房，從而得到最優(yōu)轉(zhuǎn)移軌道的解析解guochanav。

C,are because of the interaction between two stars that orbit each other 時(shí)說(shuō)除了because 用法錯(cuò)誤外,the prase "two stars that orbit each other" illogically suggests that there are two particular stars causing all the phenomena in question,rather than various sets of stars in various locations.

為什么這里用了that 定語(yǔ)從句就表示特指，而ING結(jié)構(gòu)則沒(méi)有該含義花蝴蝶在线观看免费中文版？——————————————that定語(yǔ)從句是限定性修飾日韩在线观看免费视频一区，--ing是非限定性修飾。ing形式一般是表示伴隨高国产AV网站，伴隨狀態(tài)或者是結(jié)果激情视频激情自拍激情小说，可以理解為非限制性定語(yǔ)從句。限制性的定語(yǔ)從句把原句的意思改變了激情亚洲综合网。

A novel four-dimensiond hyperchaos system with only one nonlinear term is reported. The Lyapunov exponents spectrum, periodic orbit, quasi- periodic orbit, and the chaos and hyperchaos attractor of this system are obtained.

構(gòu)造了只包含一個(gè)非線性項(xiàng)的四維超混沌系統(tǒng)欧美乱伦电影一区二区，得到了系統(tǒng)的Lyapunov指數(shù)譜、周期軌道黄片一区pon、擬周期軌道亚洲天堂网a、混沌和超混沌吸引子。

This paper describes the effects of resupply,orbit maintenance and solaractivity on the orbit...

該文討論了補(bǔ)給亚洲色图综合区、軌道維持和太陽(yáng)活動(dòng)對(duì)軌道高度的影響久久一级无码A片，給出了空間站的最佳運(yùn)行高度。

In this paper, the impacts of 4 types of LEO orbit parameters —argument of latitude, right ascension of ascending node, orbit height and inclination—on the distribution and number.

分析了對(duì)于單顆LEO衛(wèi)星99爱在线精品免费观看，掩星事件的分布和數(shù)量隨著LEO 軌道參數(shù)包括軌道升交角距全网黄色视频、升交點(diǎn)赤經(jīng)、軌道高度和傾角而變化的規(guī)律欧美午夜激情，并得出了相應(yīng)結(jié)論黄色网站A全。

This paper firstly discusses the constellation rotation error of autonomous orbit determination of navigation satellites which only make use of crosslink ranging observation, then analyzes in depth the influence of tide perturbation on right ascension of the ascending node and autonomous orbit determination.

討論了僅利用星間測(cè)距觀測(cè)值進(jìn)行導(dǎo)航衛(wèi)星自主定軌時(shí)所遇到的星座整體旋轉(zhuǎn)問(wèn)題，分析了潮汐攝動(dòng)對(duì)升交點(diǎn)赤經(jīng)以及導(dǎo)航衛(wèi)星自主定軌的影響特级婬片欧美高清视频,。

Based on several typical autonomous on-orbit capture systems, the related key technologies and development status are presented, and the limitations of rigid on-orbit capture based on space manipulators are indicated.

結(jié)合典型的自主在軌捕獲系統(tǒng)非洲一二三区激情视频，闡述了自主在軌捕獲關(guān)鍵技術(shù)及發(fā)展現(xiàn)狀午夜精品理论免费影院在线观看，并指出了目前基于空間機(jī)械臂的剛性在軌捕獲模式的局限性。