track space 中文意思是什麼

track space 解釋
軌道間距, 軌距
  • track : vt 用纖拉船。vi 拉纖行駛。n age 拉纖。n er 拉纖的人。n 1 軌跡，輪跡，航跡，痕跡；〈pl 〉足跡。2 ...
  • space : n 1 空間；太空。2 空隙，空地；場地；（火車輪船飛機中的）座位；餘地；篇幅。3 空白；間隔；距離。4 ...
  1. Orbit non - friction ball valve is a new type of valve and realizes non - friction switching and metal pressurization of the valve by cam mechanism. this paper researches the design of orbit non - friction ball valve mechanism and its computer aided design. the main work and the result are as follows : the author puts forward the kinetic analysis method of orbit non - friction ball valve, analyses the track and motion space of the conglobulation for switching etc, and brings forward rule of its configuration design, designs its assembling body and all the part

    本論文對軌道式無摩擦球閥機構設計及計算機輔助設計系統進行了研究，取得了以下幾方面的成果：提出了軌道式無摩擦球閥的運動和動力分析方法，完成了球閥啟閉運動軌跡、球體運動空間以及主要零部件的受力等分析，進一步提出了球閥結構設計的準則，完成了球閥裝配件及所有零部件圖的設計。
  2. So combine the item of “ space targets surveillance photoelectricity telescopes arrays system ”, this thesis does research in developing space targets visualization system. the main achievement in this thesis can be summarized as follows : 1. expatiate e the basic theory of satellite track dynamic, analyse the orbit characteristic of two - body problem and launch window, subastral point calculation, visibility and coverage analysis, two - line element sets

    本文結合「空間目標監視光電望遠鏡陣系統」課題，進行了空間目標可視化系統的設計和研究，主要作了以下幾方面的工作: 1 、闡述了衛星軌道動力學的基本原理，分析了二體軌道特性和發射窗口的基本特性，星下點軌跡計算、可見性和覆蓋分析和兩行根數。
  3. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目，從地下空間靜力結構穩定性分析角度出發，針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米，高7 . 5米的地下隧道這一具體工程情況，採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算，探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響，通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況，從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律： （ 1 ）在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖（ ux 、 uy ）以及應力等值線色譜圖（ _ 1 、 _ 2 、 _ （ xy ） ）等； （ 2 ）相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ （ xy ）對比分佈曲線； （ 3 ）不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ （ xy ）的對比分佈曲線等，為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  4. And then, according to the kind of satellite and the requirements for geodetic and astrometric study and the geometry of gnss ( gps, galileo ) satellite to track the space vlbi satellite, the six keplerian elements of chinese space vlbi satellite ( test - svlbi ) are selected and determined

    根據衛星軌道的分類、大地測量和天體測量對空間vlbi衛星的要求，以及gnss （ gps和galileo ）衛星對空間vlbi衛星跟蹤觀測的幾何條件而設計了我國空間vlbi衛星的六個軌道根數。
  5. Question 5 : is the west side of the station reserved for trucks or is it for crossing track without parking space

    站場最西側是否為貨車線，是否明確為無停靠的過路線？
  6. In recent years, with the development of the basic establishment, especially means of transportation ( railway, highway, etc. ), the engineering phenomena that new line ( such as double - track railway, high speed railway, expressway, etc. ) is built close to existing line ( such as railway, highway, etc. ) appears. the size is larger and lager, and the space between is closer and closer

    近年來，隨著基礎設施，尤其是交通設施（鐵路、公路等）建設的發展，大量地出現了在既有線（如鐵路或公路等）旁修建新線（如復線鐵路、高速鐵路、高等級或高速公路等）等工程現象，且規模越來越大，距離越來越近。
  7. The research on autonomous navigation and orbital keeping technology of geosynchronous satellites : selecting position vector in the inertia space and longitude, latitude, radial errors in the hill equation as state variables, the precision of orbit determination caused by track dynamic model error, sampling period, and sensor measurement and install error is analyzed

    同步衛星自主導航與軌道保持技術研究：分別選取慣性空間位置矢量和採用hill方程表示的經、緯、向徑誤差作為狀態量，分析軌道動力學模型誤差、采樣周期以及敏感器測量、安裝等誤差對定軌精度的影響。
  8. Analysis on space vibration of ballasted track

    有碴軌道結構空間振動分析
  9. 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。
  10. In this paper the effect of the track twist irregularity on the train derailment safety is analysed on the basis of dynamic analysis of train - tangent - track space - coupling time - varying system, and the limitation of the track twist irregularity in the line maintenance principle is assessed

    應用列車-軌道空間耦合時變系統振動分析理論，分析了軌道三角坑對列車脫軌安全性的影響，並就現行鐵路線路維修規則中對軌道三角坑的限值進行了評估。
  11. Abstract : in this paper the effect of the track twist irregularity on the train derailment safety is analysed on the basis of dynamic analysis of train - tangent - track space - coupling time - varying system, and the limitation of the track twist irregularity in the line maintenance principle is assessed

    文摘:應用列車-軌道空間耦合時變系統振動分析理論，分析了軌道三角坑對列車脫軌安全性的影響，並就現行鐵路線路維修規則中對軌道三角坑的限值進行了評估。
  12. Secondly, by studying the space - calibration, time - calibration and spot - track ' unite, the spot - track of multi - radar centralized - system be importantly discussed how to deal with and the tracking problem of multi - radar centralized - system be turned single radar multi - target tracking matter. in the spot - track ' unite, the clustering idear of mode - identify is used to settle the problem and the calculation load is be reduced

    從空間校準、時間校準和點跡合併三方面，對集中式多雷達系統的點跡處理進行了重點研究；通過點跡處理將集中式多雷達系統的跟蹤轉換為單雷達多目標跟蹤問題。
  13. Finally, the algorithm model of six modules ( space - calibration, time - calibration, spot - track ' unite, track ' s origination and expiration, the form of tracking - door and association algorithm ) are founded. the effect of some modules to tracking result are studied and their intimated results are gained. the intimation result of centralized - system and distributed - system are compared in the end

    建立了空間校準、時間校準、點跡合併、航跡起始與終結、跟蹤門判斷和互聯演算法六個模塊的演算法模型；通過數字模擬，探討了某些模塊對跟蹤結果的影響並給出相應的模擬結果。
  14. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個方面： 1 、針對頻率選擇性衰落通道：結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法，與傳統方法相比，該方法計算量更小，收斂速度更快，性能更優，且對系統階次的過確定表現穩健，具有實際均衡應用價值； 2 、針對時間選擇性衰落通道：提出一種基於迫零均衡的時間選擇性通道均衡方法，演算法結構簡單； 3 、針對時變色散通道：利用瞬態均值曲線提取通道時變信息，對之ar建模，利用卡爾曼濾波器跟蹤時變通道抽頭變化，可以快速跟蹤通道變化；基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法，提出了新的單輸入多輸出色散時變通道均衡與識別演算法，同樣具有對通道階次過確定保持穩健的優點；結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法；研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題，給出一種時變系統處理模型。
  15. The omygod industrial door adopt two sides to lead a track to drive, promoting a door with other to compare, saving the internal space of the building consumedly, install more convenient, use the convenience credibility

    歐美佳工業門採用兩側導軌驅動，與其它提升門相比，大大節省了建築物的內部空間，安裝更為方便，使用便捷可靠。
  16. Implementation of an interface agent in the field of emulator of space - flight track

    開發程式控制交換機多媒體模擬訓練系統的支撐軟體環境
  17. Realize the creation of complicated three - dismensional geometric model of space targets by using 3ds data. 3. based on the track dynamic theory and developed computer software, the system is designed using powerful vc programming language and opengl

    3 .以軌道動力學理論為基礎，結合當前成熟的計算機軟體技術，採用功能強大的vc編程語言和opengl開發庫進行了系統設計，開發了空間目標可視化系統。
  18. 4. establish it state space modal by applying the theory of modern control to electro - hydraulic position servo system, and bring forward the method of quadratic optimal control and approach track optimal control

    將現代控制理論應用於電液位置伺服系統，建立精校機電液位置伺服系統的狀態空間模型，提出了基於狀態空間的最優二次型控制和漸近跟蹤控制。
  19. As well as telescopes, radar is also being used to track space junk

    和望遠鏡一樣，雷達也被用在追蹤太空中的廢棄物。
  20. But when come to track space object trajectory, this method is hard to realize good trajectory tracking performance, especially in great variety space object trajectory and severe outside disturbance control system, it is more difficult to improve the capability of trajectory tracking

    但是，對于系統的空間目標軌跡，用這種平面軌跡跟蹤的方法很難實現其良好的軌跡跟蹤運動性能，特別是對于空間目標軌跡變化大、外界干擾嚴重的控制系統更是難以進一步提高其跟蹤性能。
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