順行軌道 的英文怎麼說

中文拼音 [shùnhángguǐdào]
順行軌道 英文
direct orbit
  • : Ⅰ介詞1 (向著同一個方向) in the same direction as; with 2 (依著自然情勢; 沿著) along; in the d...
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • : 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) ...
  • 順行 : [天文學] prograde motion; direct motion
  • 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. First, the domestic status quo of track inspection and the overseas development of track inspection device are introduced in the thesis. based on the introduction, three schemes to monitor the track irregularity by means o f photoelectric inspection technology are put fonvard in the thesis : using photosensitive diode, using ccd array wfth computer, using ccd array with single chip computer

    論文首先介紹了國內檢測的狀況和國內外檢測設備的發展,分析了各種設備的優劣,並在此基礎上提出了採用光電檢測技術對不平參數進檢測的三套方案:光敏二極體陣列方式、線陣ccd結合工業控制計算機方式和線陣ccd結合單片機方式。
  2. 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面對鋼側面磨耗機理進了探討,從幾何參數、機車車輛運營條件等方面對鋼側面磨耗的影響因素進了重點分析和總結;應用輪系統動力學,建立了輪空間耦合振動時變模型,採用vogel側磨指數作為鋼側磨指標,系統分析了輪參數變化的情況下,頭側面磨耗的變化規律,重點分析了不平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側面磨耗的特徵和發生、發展規律;最後提出了一些減緩曲線鋼側面磨耗的措施。
  3. This planet, unlike the other planets in our solar system, has an elliptical orbit and moves clockwise rather than counterclockwise

    這顆星,不同在我們太陽系的其他量,是橢圓形時針方向移動,而不是逆時針。
  4. The american space probe, mariner 9, has become the first spacecraft to orbit another planet, swinging into its planned trajectory around mars without a hitch

    1971年的今天,美國宇宙飛船水手九號利進入火星的計劃,成為首架環繞另一顆星飛的宇宙飛船。
  5. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    機動過程中,為跟蹤、定位機動目標和干預機動控制過程,需要統計處理離散的雷達觀測量實時估計推進發動機的推力,進而確定飛器的瞬時參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了機動過程中連續變質量運動模型和離散雷達量測模型,推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量,應用擴展卡爾曼濾波對離散的雷達測量數據進序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  6. By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated

    根據我國干線鐵路譜,採用三角級數法模擬出干線鐵路和準高速鐵路不平的樣本函數;根據秦沈客運專線高速試驗段檢車資料,採用arma時間序列模型模擬了高速鐵路不平隨機樣本函數;在既有研究資料的基礎上模擬出各種速度客車構架人工蛇波;用隨機變量描述床橫向剛度,並進了隨機模擬;將振動理論和穩定理論結合建立系統的分析模型和運動方程;根據monte ? carlo法編制了車輛?耦合系統隨機振動分析程序,進了無縫線路隨機動力響應分析,通過試驗對計算模型、計算方法進了驗證。
  7. On the basis of s & t management activity law, this paper preliminary make mechanism and course analysis of s & t management ' s cause formation mechanism - evolution course - forewarning controls. this paper try to reveal in favorable circumstance the identifying and defending fault mechanism and in adverse circumstance controlling and solving fault mechanism of the s & t management activity in s & t department ' s, in order to build the forewarning management system in the s & t management organization and control the emergence signs of different fault in s & t management activity. this paper study the source, reason influence of the fault in s & t management and analyses the defending measures to s & t management faults, to make the s & t department be able to predict potential risk and crisis of s & t itself and also in s & t management, then adopt the corresponding countermeasure, guarantee that s & t management activity is on the safe orbit

    本文嘗試著從預警管理的角度去分析科技管理中出現的問題,將預警管理思想置入科技管理的框架之中,在把握科技管理活動規律的基礎上,初步對科技管理失誤的成因機理? ?發展過程? ?預警控制進機理性分析和過程性分析,力圖揭示科技管理部門在科技管理活動境中的識錯防錯機理和逆境中治錯化錯的機理,意在科技管理組織中構建預警管理系統,來監控科技管理活動中的各種失誤現象的發生徵兆,通過研究科技管理中失誤的來源、原因、影響,探析科技管理失誤的預防措施,使科技管理部門能夠預見科學技術本身及科技管理中潛在的風險和危機,從而採取相應的對策,保證科技管理活動處于安全的運上。
  8. How can the traffic control facilities at intersections be designed for an at - grade lrt in such a way that it can cope with local environmental characteristics, ensure traffic safety, and maintain smooth road traffic

    平面輕交叉路口交通管制設施如何設計,以配合本地交通環境特性,確保車安全,維持暢?
  9. A system that can monitor the track state by means of ccd ( charge coupled device ) array and infrared led ( light - emitting diode ) is designed in the thesis, which named track state dynamic inspection device

    本論文設計的是利用線陣ccd (電荷耦合器件)和紅外線光源對不平參數進檢測的「狀態動態檢測裝置」 。
  10. In this paper, based on track irregularity spectrum and time delay between axles, control laws of railway vehicle secondary active suspension are designed according to optimal control theory, and simulated on a vertical railway vehicle model

    摘要針對鐵車輛二系主動懸掛,考慮了不平譜及輪軸時延的輸入;依據最優控制理論,設計了整車的主動懸掛控制規律,並在整車垂向動力學模型上進了模擬分析。
  11. Adopting the track irregularity to the actuator sources of system, then simulate the track irregularity and check the validity of simulation, at the same time compute the dynamical response and evaluate the statistic rules of wan zhou yangtze river bridge in the condition of high speed vehicles

    採用不平作為了系統的激勵源,模擬出了不平年並檢驗了模擬的正確性,評價了萬州長江大橋在車輛高速駛狀態下的動力響應和統計規律。
  12. The reconstruction project of shanghai metro line 1 is carried cut in accordance with the master plan of the south station, construction subsequence, signal reconstruction plan and vehicle operation organization

    摘要介紹了上海交通1號線上海南站站改建工程的總體設計方案、施工撥接計劃、施工序、信號改造過渡方案、列車運組織以及施工撥接的全過程。
  13. This paper first analyzes the characteristics on train working diagram of urban rail transit, on the basis of describing property on rail line of urban rail transit, this paper puts forward theory of two stations drawing and three stations drawing which taking the setting of vehicle depots as the core of the subject designs sequence and contrary advance calculating methods to calculate the train arrival and departure time at mediate station, and builds mathematic model on the train working diagram of urban rail transit taking same interval time of train traveling as the target function

    摘要在對城市交通線路屬性進數學描述的基礎上,以車輛段設置地點為核心,提出兩站圖及三站圖理論,設計分層序和反序推點演算法計算列車在中間站的到發時刻,並以分時段列車等間隔運為目標函數,構建城市交通列車運圖通用數學模型。
  14. The paper tests tracks " dynamic responses by using euler beam model with no accounts of shear and rotary inertia effects and timoshenko model with consideration of shear and rotary inertia effects respectively

    不考慮的幾何不平,不考慮阻尼,分別採用不考慮剪切效應和轉動慣量作用的euler梁模型和考慮剪切效應和轉動慣量作用的timoshenko梁模型對動力響應進了模擬。
  15. According to different mechanisms, there exist several types of resonance, including the bridge resonance induced by the periodical actions of moving load series of the weights, centrifugal forces and lateral winds of vehicles, the bridge resonance induced by the loading rates of moving load series of vehicles, the bridge resonance induced by the periodical loading of train vehicles excited by rail irregularities, wheel flats and hunting movements, and the vehicle resonance induced by periodical actions of the regular arrangement of bridge spans and their deflections

    根據發生機理的不同,車橋系統可能發生幾種不同形式的共振,包括由車輛重量、離心力、橫向平均風荷載等形成移動荷載列的周期性動力作用引起的橋梁共振,由移動荷載列加載速率引起的橋梁共振,由不平、車輪扁疤、輪對蛇等周期性加載引起的橋梁共振;由橋跨的規則性排列及其撓度的影響,對移動車輛形成周期性動力作用使車輛出現的共振。
  16. Danos says an mba from _ _ 3 _ _ schools like harvard, stanford or dartmouth still enable graduates to get the highest paying jobs after school and puts them on track to becoming ceos

    稱畢業于如哈佛,斯坦福,達特默思等精英學校的mba畢業生仍舊可以離開學校后得到高薪報酬,而且能利踏上成為首席執官的
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