軌道面變化 的英文怎麼說

中文拼音 [guǐdàomiànbiànhuà]
軌道面變化 英文
orbital plane change
  • : Ⅰ名詞1. (路軌;軌道) rail; track 2. (比喻辦法、規矩、秩序等) rut; path; course Ⅱ動詞[書面語] (遵循; 依循) follow
  • : 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) ...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • 軌道 : 1 (供火車、電車等行駛的由條形鋼材鋪成的路線) track; pathway; rail; runway; circle; railway 2 (...
  1. The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained

    本文將近地共內運動的兩飛行器非線性追逃模型簡為線性模型,以捕獲半徑的圓域定為目標集,確定目標集邊界上的可用部分,並以此為各狀態量的起點,對時間進行倒向積分,求得線性方程組的解析解,從而確定了該追逃模型的線性界柵,以及界柵上對策雙方的最優推力,即求得了滿足最優策略時相對運動的跡和推力。
  2. This dissertation aims to probe into the institutional changes and institutional clashes between the enlarging european union and the central & eastern european countries ( ceecs ), as well as to construct a tentative theoretical innovation to account for institutional interactions between them. supported by political neo - institutionalism and borrowing institutional concepts from nobel prize - winner douglas north, the dissertation is set against a background of the dual process of institutional expansion by the eu and active institutional convergence on the ceecs " own accords. starting from the positive and negative impacts triggered by eu enlargement on both the eu ' s and the ceecs " political, governance and economic institutions, the dissertation carries out a systematic study of the partial adjustments and comprehensive reforms on the part of the eu, as well as of the europeanized transformation of the domestic institutions in the accession countries

    本文以新制度主義政治學為理論支點,以歐盟通過東擴實現制度擴張及中東歐向歐盟制度主動趨同的進程為背景,以東擴引發的制度遷和制度對撞為研究對象,從分析考察東擴進程對于雙方政治權力制度和經濟治理制度的雙向沖擊及正負影響入手,系統研究了歐盟東擴引發的歐盟制度局部調整與全改革、及中東歐新成員國國內制度的歐洲之雙重進程,分析總結出東擴制度互動的規律、模式與渠,並在此基礎上構築了一種解釋轉型國家與超國家機構之間制度互動的實驗性理論模型「錮囚鋒理論」 ,從理論高度上對現實規律進行歸納。
  3. The basis of dynamics and simulation includes the iterative flyout angle algorithm to the solutions to lambert problem and battin ' s universal conic section state extrapolate method. then spacecraft ' s orbit roots, maneuver impulse and maneuver time are discussed as the following four part : first of all, the chaser ' s one orbit roots is selected as a variable to simulate its influence to the large scale orbital maneuver. the research reveals fact that the orbit roots both of chaser and target should be close to each other to achieve better maneuver and rendezvous " ability, moreover, the best orbit maneuver and rendezvous occurs when both chaser and target ' s initial phase angle are equal

    為了研究了交會機動中追蹤器和目標器的根數、機動時限和機動能耗等因素對交會機動的影響,模擬和分析分為以下四個部分:首先,研究了追蹤器單個參數為量情況下兩航天器大范圍交會機動問題,研究表明,追蹤器的參量與目標器相應的參量在接近的情況下可以獲得良好的交會機動特性,而對于兩航天器的情況下,初始相位角相等時則獲得最佳的機動效果。
  4. Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward

    從輪摩擦、輪接觸幾何關系、輪接觸應力和輪蠕滑等方對鋼磨耗機理進行了探討,從幾何參數、機車車輛運營條件等方對鋼磨耗的影響因素進行了重點分析和總結;應用輪系統動力學,建立了輪空間耦合振動時模型,採用vogel側磨指數作為鋼側磨指標,系統分析了輪參數的情況下,頭側磨耗的規律,重點分析了不平順對鋼不均勻側磨的影響;對山海關工務段1990年以後現場測得的曲線鋼側磨數據進行了分析,通過擬合得到了鋼側磨量與運量的關系曲線,並總結了曲線上股鋼磨耗的特徵和發生、發展規律;最後提出了一些減緩曲線鋼磨耗的措施。
  5. When the train moves, the wheel and ' the track system will interact each other. because of the action of the wheel, the track may bright bent transformation, and the transformation change into load, which act on the foundation. then the ground will be vibration caused by the transformation spreads in the ground

    系統由鐵、枕木和碎石墊層組成,列車在運行時車輪與系統會產生相互作用,由於輪重的作用使產生彎曲形,彎曲形轉成作用在地基上的荷載引起地基振動,這一振動通過周圍地層向外傳播,導致周圍地的振動。
  6. Abstract : the forced state in key parts and their lifetime, the volume of high pressure chamber and ratio of pressure, the length of high pressure stroke and pressure stability, the relations between the deformation of high pressure chamber and temperature field and pressure field for three kinds of apparatus of making synthetic diamond under high pressure and high temperature were compared in this paper. the differences of these main apparatus were analyzed according to the degree of difficulty and ease in the technique, the choice of applicability and the cost and yield of them. it was emphasized that studying and developing the large sized belt - type press should be the way to make high quality saw diamond and change the state of making middle and low quality diamond in the diamond industry of our country, catching up with the international advanced level as well

    文摘:通過對高溫高壓合成金剛石3種主要裝備在關鍵部件受力狀況與使用壽命、高壓腔體積與壓力利用率、高壓沖程大小與壓力穩定性,高壓腔形與溫場、壓場的關系等方的比較,分析了3種主要裝備在技術難易程度、適用性選擇和投入產出比的差異;強調了我國金剛石行業要改當前只能生產中低檔金剛石的現狀,向生產高品級鋸片級金剛石的方向發展,與國際接,應該走大型頂的路。
  7. The forced state in key parts and their lifetime, the volume of high pressure chamber and ratio of pressure, the length of high pressure stroke and pressure stability, the relations between the deformation of high pressure chamber and temperature field and pressure field for three kinds of apparatus of making synthetic diamond under high pressure and high temperature were compared in this paper. the differences of these main apparatus were analyzed according to the degree of difficulty and ease in the technique, the choice of applicability and the cost and yield of them. it was emphasized that studying and developing the large sized belt - type press should be the way to make high quality saw diamond and change the state of making middle and low quality diamond in the diamond industry of our country, catching up with the international advanced level as well

    通過對高溫高壓合成金剛石3種主要裝備在關鍵部件受力狀況與使用壽命、高壓腔體積與壓力利用率、高壓沖程大小與壓力穩定性,高壓腔形與溫場、壓場的關系等方的比較,分析了3種主要裝備在技術難易程度、適用性選擇和投入產出比的差異;強調了我國金剛石行業要改當前只能生產中低檔金剛石的現狀,向生產高品級鋸片級金剛石的方向發展,與國際接,應該走大型頂的路。
  8. The simulation program has been implemented to simulate the procedure of hxmt detecting x - ray source. the simulation result has been used to analyze the overlay region in celestial sphere, the variation of photon current intensity and the variation of the angle between sun and orbit, which demonstrate the reason why to select a 550 km height and 43o inclination low earth orbit as hxmt ' s orbit

    利用模擬程序,實現了模擬一個正在預研的天文衛星? ?硬x射線調制望遠鏡hxmt觀測x射線源的過程,分析了天球覆蓋、 hxmt接收的光子流強度的和太陽夾角的,說明了選取高度為550km ,傾角43o的近地圓作為hxmt的運行是合理的選擇。
  9. With the reform of the economic system in the cities and the countryside, great changes have happened to social industrial system and employment system, which has resulted in the variation of the overall social system, the pluralism of social resources and interests, both of which are waiting for redistribution

    自此,法院工作走上依法辦案的正常。隨著城鄉經濟體制改革的進行,社會產生產業結構、職業結構發生重大轉,由此導致整個社會結構發生了遷。社會資源、利益呈多元動不居,臨重新分配。
  10. Core competence is unalterable, should be promoted constantly. this includes four respects mainly : implement the related pluralism based on core competence ; set up the mechanism of isolating based on the core competence ; expand horizontally in some of the industry chain ; cultivate innovation collect group based on the trajectory and platform

    中小企業所擁有的核心競爭力不是一成不的,要對其不斷加以提升,這主要包括四個方:實行以核心競爭力為基礎的關聯多元(同心多元) ;建立基於核心競爭力的隔絕機制;在產業鏈的某一點進行橫向擴張;培育基於技術和技術平臺的創新集群。
分享友人