軌道測定 的英文怎麼說

中文拼音 [guǐdàodìng]
軌道測定 英文
determination of orbit
  • : 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) ...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • 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 (...
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  1. The various colours significant of various degrees of vitality white, yellow, crimson, vermilion, cinnabar : their degrees of brilliancy : their magnitudes revealed up to and including the 7th : their positions : the waggoner s star : walsingham way : the chariot of david : the annular cinctures of saturn : the condensation of spiral nebulae into suns : the interdependent gyrations of double suns : the independent synchronous discoveries of galileo, simon marius, piazzi, le verrier, herschel, galle : the systematisations attempted by bode and kepler of cubes of distances and squares of times of revolution : the almost infinite compressibility of hirsute comets and their vast elliptical egressive and reentrant orbits from perihelion to aphelion : the sidereal origin of meteoric stones : the libyan floods on mars about the period of the birth of the younger astroscopist : the annual recurrence of meteoric showers about the period of the feast of s. lawrence martyr, 10 august : the monthly recurrence known as the new moon with the old moon in her arms : the posited influence of celestial on human bodies : the appearance of a star 1st magnitude of exceeding brilliancy dominating by night and day a new luminous sun generated by the collision and amalgamation in incandescence of two nonluminous exsuns about the period of the birth of william shakespeare over delta in the recumbent neversetting constellation of cassiopeia and of a star 2nd magnitude of similar origin but lesser brilliancy which had appeared in and disappeared from the constellation of the corona septentrionalis about the period of the birth of leopold bloom and of other stars of presumably similar origin which had effectively or presumably appeared in and disappeared from the constellation of andromeda about the period of the birth of stephen dedalus, and in and from the constellation of auriga some years after the birth and death of rudolph bloom, junior, and in and from other constellations some years before or after the birth or death of other persons : the attendant phenomena of eclipses, solar and lunar, from immersion to emersion, abatement of wind, transit of shadow, taciturnity of winged creatures, emergence of nocturnal or crepuscular animals, persistence of infernal light, obscurity of terrestrial waters, pallor of human beings

    顯示出不同程度之生命力的繽紛色彩白淺黃深紅朱紅銀朱諸星之亮度一直包括到七等星以等級標志的諸星之大小諸星的位置御夫座沃爾辛厄姆路172大衛的戰車173土星光環螺旋星雲凝固后形成有衛星的恆星群兩重大陽相互依存的旋轉運動伽利略西蒙馬里烏斯174皮亞175勒威耶赫歇耳加勒176等人各自獨立地同時所做的發現波得和開普勒所嘗試的距離的立方與回轉次數的平方的體系化177多毛的眾彗星178那幾殆無限的被壓縮性,以及自近日點至遠日點那廣漠的遠心的重返大氣層的橢圓隕石的恆星之起源年紀較輕的天體觀者誕生的那個時期火星上所出現的「暗波」現象179每年在聖勞倫斯節殉教者,八月十日前後降落的隕石雨每月都發生的所謂「新月抱舊月」現象180關于天體對人體的影響的假威廉莎士比亞出生的時期,在斜倚卻永不沒落的仙后座那三角形上端,一顆不分晝夜散發著極亮光彩的星辰一等星出現了181這是兩個無光死滅了的太陽因相撞並汞合為白熱體而形成的燦爛的新太陽大約在利奧波德布盧姆出生時,出現在七星花冠星座里而後又消失了的一顆同一起源亮度卻稍遜的星宿二等星182還有約於斯蒂芬迪達勒斯出生時,出現在仙女座中之後又消失,小魯爾夫布盧姆出生與夭折數年後出現于御夫座后又消失,以及另外一些人出生或去世前前後後出現在許許多多其他星座中而又消失了的假是同一起源的實際存在或假存在的星斗183 。
  2. Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained

    首先在第三章提出的目標運動模型的基礎上建立了系統狀態方程;其次簡要分析了衛星導航系統中的各類誤差,建立了基於偽距觀量的系統觀模型;第四節利用yuma格式歷書數據模擬了未受攝動影響的衛星,並在此基礎上建立了幾種典型的動態模擬試環境;第五節為模擬分析和比較,先對ukf演算法和ekf演算法在動態模擬試環境中進行了模擬比較,然後針對外場試驗,對非線性濾波獲得的位結果與商業軟體進行了分析比較,並得出結論。
  3. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉量原理實現地球靜止雙星向的相關技術,主要研究成果包括以下幾方面:首先,建立了利用兩顆地球靜止衛星進行短基線向的數學模型,分析了載波相位干涉量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星向的精度進行了詳細分析,數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析向精度確性影響因素的基礎上,提出了雙星向精度衰減因子odop的概念,揭示了雙星向誤差特殊表現的內部機理,對實際工程應用具有重要的指導意義。
  4. The vision sensor is fixed on the end - effector of the robot. when the robot makes a linear movement along the " v " measurement track, the linear light from the laser electropult on the sensor is projected on the track to shape laser strip with three turning dots and imaged in ccd camera. the relation between the sensor coordinate and the measurement track coordinate can be computed by image processing and pose measuring, which indirectly describes the characteristic of the robot ' s linear trajectory

    該系統利用結構光幾何成像原理和視覺圖像處理技術,將視覺傳感器固在機器人末端,當機器人沿「 v 」形做直線運動時,傳感器上的激光發射裝置發出的線狀光源投射在上,形成具有三個拐點的激光條,並在ccd攝像機中成像,通過圖像處理技術和位姿量技術,得到傳感器坐標系相對于坐標系的位姿關系,從而間接描述機器人的直線跡特性。
  5. In this paper, we studied the deterministic mechanism of isi with the unstable period orbit ( upo ) ; we tested many isi data from different model with the method of approximate entropy ( apen ) to study the method which is used in testing the degree of complicacy of isi and we built up a system including hardware and software for our lab to view and record action potential, firing frequency and isi in real time. results 1. spontaneous firing patterns were observed from neurons of supraoptic nucleus ( son ) in hypothalamus with the method of patch clamp

    本研究通過對大鼠視上核神經元自發放電的非穩周期的計算,討論了isi的確性問題;利用近似熵的方法對多種神經放電的isi資料進行了復雜度的量,討論了這種方法在isi的復雜度量第四軍醫大學碩士論文中的應用;另外,還開發出一套記錄原始放電和isi的程序,解決了採集isi的問題。
  6. 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,分析動力學模型誤差、采樣周期以及敏感器量、安裝等誤差對精度的影響。
  7. And it investigates the appearance condition ( including joint, crack, eroding, corrosion, braking pole device rupture, crane - girder ' s gnawing railway and so on ) of the whole crane - girder system on the spot, at the same time, it also actually examines the stress of the beam, chemical ingredient, distortion and railway excursion, etc. through sampling, and based on the actually examined results, it checks and calculates the carrying capacity of crane - girder system. then, based on the investigating on the spot and the calculated result, it discusses the mechanism of fatigue failure of the upper part of welded steel crane - girder, analyses the reason of steel crane - girder in the high - frequency emerging the fatigue crack, institutes the strengthened method of damaged steel crane - girder of accurate packing up workshop of the primary mill plant. finally, it presents some advice and suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane - girder in the high - frequency

    針對包鋼初軋廠精整車間鋼吊車樑上部區域出現裂縫這一問題,本文首先綜述了國內外關于焊接鋼吊車樑上部區域疲勞裂縫的研究現狀;其次對整個吊車梁系統的外觀情況(包括連接、裂縫、腐蝕、銹蝕、制動桿件斷裂、吊車啃等)進行了現場調查,抽樣實了梁的應力、化學成分、變形及偏移等,根據實結果,對吊車梁系統的承載能力進行了驗算;然後,根據現場調查及計算結果,探討了焊接鋼吊車樑上部區域疲勞破壞的機理,分析了重級工作制鋼吊車梁出現疲勞裂縫的原因,制了初軋廠精整車間破損鋼吊車梁的加固方案;最後就重級工作制鋼吊車樑上部區域出現疲勞裂縫的修復與加固方案提出了一些意見和建議。
  8. The results of experiment on the railway demonstrate that the system raised the accuracy and instantaneity of track detection effectively

    系統的試運行結果表明,該系統設計正確,工作穩,能夠顯著提高質量檢的準確性、實時性和易用性。
  9. And the data of isi ( interspike interval ) were taken out

    實驗結果一、用非穩周期isi的確性1
  10. Arod airborne radar orbital determination

    機載雷達軌道測定
  11. A further refinement of the calendar was the introduction into dating of the place of a year according to its position in relation to the orbital revolution of the planet jupiter, called brhaspati in sanskrit

    年代的更精緻歷法被引進入印度,是依照木星旋轉的,在梵語裏面就稱為巴哈帕提。
  12. Industrial frequency traction current may interference fsk signal. the electric parameters of track circuit must be measured periodically to make sure whether track circuits and signal equipment run normally and to avoid accident

    期檢電路的電壓、頻率等參數,以判斷電路及其信號設備是否處于最佳工作狀態,可以及時消除隱患,確保鐵路安全行車。
  13. Recently, train is running faster and faster, and considering the stability and security, seamless welded rails ( swr ) are used as the train orbits gradually. the temperature of the rails will vary with weather. so that the rails may release the energy due to the metal characteristic of expanding or contracting with temperature, there is some badly distortion in the swr, worsly occurring accidents on expanding orbits. the portrait thermal stress ( pts ) of the swr should be monitored in some parts regularly, as to avoid such accident

    近年來,隨著火車的提速造成的穩和安全問題,逐步轉為採用無縫焊接鋼,隨著鋼溫度的變化,無縫鋼可能會因為熱脹或冷縮的金屬特性並且在扣件阻力小而且路基較差的路段釋放能量,可能會發生鋼嚴重變形,更甚者會發生脹等嚴重鐵事故,為了避免發生如此事故,有必要期對鋼的溫度應力進行檢
  14. Railway applications - track - test methods for fastening systems - determination of attenuation of impact loads

    鐵路設施..緊固系統的試驗方法.沖擊負載衰減度的
  15. Axle load scale

    軸重
  16. At first, the author analyzed some chief factors such as light beam drift and atmospheric turbulence that affect the precision of the laser collimation in brief. then, the author studied the plan of the laser collimation generating nondiffracting beam and automatic level system with high precision. at last, the author completed the measurement of the straightness guideway by using ccd ( charge coupled device ) as the receiver and computer imaging processing

    文章首先簡要地分析了激光自身漂移、大氣湍流等影響激光準直精度的主要因素,然後對系統的激光準直方案進行論證,並確了無衍射光束的生成方案、高精度自動安平系統的結構方案,最後以ccd為接收器件,通過計算機圖像處理,完成對直線性的量。
  17. One third of all u. s. spacecraft sent to mars since the 1960s have failed to enter orbit, but the mars reconnaissance orbiter is not among them

    從60年代起發往火星的衛星有三分之一未能進入預,但這次火星探衛星已經逃過此劫。
  18. The traditional train vehicles can complete these tasks depending on track circuits and by wireless mode, but the maglev vehicle only can complete these tasks by wireless mode, because when maglev vehicle is running, it usually does not touch with the track

    傳統輪列車依靠電路構成通信位迴路,也可以通過無線方式與地面進行通信速,而磁浮列車由於運行時不與接觸,必須通過無線方式與地面進行通信速。
  19. A new railway train location algorithm for track surveying based on the charac

    提出了基於曲率特徵的列車量點位演算法。
  20. The theoretic analysis based on body dynamic constraint lays a foundation for further engineering researches which are shown as follows : 1. different characteristics of the railway track surveying system and the attitude reference system for fire control are analyzed. the body dynamic constraint conditions in frequency domain are derived for these two applications

    基於載體動態約束信息的理論分析為以下工程問題的進一步研究奠了基礎: 1 、論文分析了列車量以及某火控系統姿態參考問題的不同特點,分別推導了相應的載體運動頻域約束條件。
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