起始方位 的英文怎麼說

中文拼音 [qǐshǐfāngwèi]
起始方位 英文
initial azimuth
  • 起 : 起Ⅰ動詞1 （站起; 坐起） rise; get up; stand up 2 （取出; 取走） draw out; remove; extract; pull 3...
  • 始 : Ⅰ名詞1 （最初; 起頭） beginning; start 2 （姓氏） a surname Ⅱ動詞（開始） start; begin Ⅲ副詞[書面...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 起始 : origin; origination; parentage; germ; initiation
  • 方位 : position; bearing; direction; points of the compass; placement
  1. The control system of mould level is crucial to improve the slab quality in the continuous casting process, pid controller is used in the traditional mould level control, and it has some defaults, such as : at the start - up or finishing period of casting or during the changeover of tundish, pid control has a bad effect, its overshoot is large and its transient time is long ; the erosion of the tundish stopper and the submersed nozzles lead to the accuracy of control become bad ; the abrupt falloff of block in the submersed nozzles makes the level acutely fluctuate, and pid control can not overcome the disturbances resulted from the change of casting speed

    結晶器液位控制系統是提高連鑄產品質量的關鍵環節，傳統的連鑄機液位控制方法採用常規的pid控制，存在如下不足：開始、結束澆注和換中間罐澆注時，控制效果差，超調量大，過渡時間長；塞棒頭和浸入式水口被腐蝕后引起控制精度差；浸入式水口堵塞物的突然脫落所引起的液位劇烈波動；無法克服拉速波動引起的擾動。
  2. When soil antecedent condition is dry and the initial rainfall intensity is high, peak surface runoff also considerably lag behind that of rainfall, because of the formation of temporary relative impermeable top layer ; b ) surface runoff is controlled primarily by infiltration - excess runoff mechanism under unsaturated condition ; the major fraction of surface runoff are dominated by saturated infiltration - excess runoff response, only a small fraction by return flow mechanism when soil is saturated ; c ) subsurface flow is dominated by saturated runoff mechanism, and the duration of subsurface post the rainfall end is dependent upon rather the soil properties than the rainfall characteristics ; d ) subsurface flow intensity in cultivated soil layer ( 0 ~ 20cm ) is high up to 35mm / h when rainfall intensity is up to 120mm / h, indicating the existing of macropores and pipe flow in cultivated layer

    2 ）耕作制下紫色土的產流主要機制是： 1 ）當雨前土壤含水量未達到飽和狀態時，表面產流起始時間有明顯滯后現象，這與紫色土的快吸水性和較多非毛管孔隙密切相關；當雨前土壤較乾燥，降雨初期雨強較大時，易形成臨時相對不透水表層，表面產流峰也有明顯滯后現象。 2 ）表面徑流的產流方式主要是超滲產流，當土壤達到飽和狀態后，有四川大學博士學位論文小部分回歸流發生，但主要是飽和超滲產流發生，因為紫色土的相對不透水層和其它透水障礙層不明顯。 3 ）壤中流主要是飽和產流，與降雨過程有明顯的滯后，而且雨停后的壤中流產流歷時與降雨特徵無關。
  3. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。
  4. ( 3 ) at post - translation level plant mutual sequence of starting translation aaca and eukaryotic secretory signal peptide sequence was added to 5 ' - flanking region of t - pa gene and kdel ( sequence located to endoplastic reticulum ) to 3 ' - flanking region by pcr amplication and plant expression vector pbemt was constructed

    （ 3 ）翻譯后水平通過pcr擴增的方式在t - pa基因5端添加了真核分泌信號肽序列和植物翻譯起始共有序列aaca ，在3端添加了內質網定位序列kdel ，構建了植物表達載體pbemt 。
  5. The endpoint is similarly located by measuring clockwise from the starting point by the number of degrees in the sweep angle

    定位終結點的方法與之類似，從起始點順時針測量擺角的度數。
  6. In order to research the influences produced by sidetracking position, the primary hole deviation and azimuth of used wells on the primary section of the re - entry horizontal wells, it is necessary to consider the 3d trajectory design of the re - entry horizontal wells

    為了考慮側?點位置及老井的初始井斜、方位對側?水平井起始段的影響，需要對側?水平井進行三維軌跡設計考慮。
  7. Computational location of transcription start sites in prokaryotic genome based on sliding window

    基於滑動窗口的原核轉錄起始位點計算定位方法
  8. By artificially changing a to c at - 137 bp site upstream from transcription start point of cloned promoter, two site - mutation promoters, ipms ( 603 bp ) and ipm1 ( 900 bp ) were created

    通過pcr方法對克隆的兩個啟動子進行定點突變，使轉錄起始位點上游- 137bp處a突變為c ，得到兩個突變啟動子（ ipml 、 ipms ） 。
  9. The principal initial hole factors influencing primary section trajectory, such as sidetracking position ( formation factors ), primary deviating angle and primary azimuth of the sidetracking position are analysed by spatial plane - tilted method

    文章運用空間斜平面法分析了對側?水平井起始段有重要影響的主要初始井眼條件，包括側?點（地層因素） 、側?點初始井斜角、側?點初始方位角等對起始段軌跡的影響。
  10. In the chapter of character segmentation, the traditional method of finding minimum vertical projections combined with plate license format is used. the use of space mark matching method proposed in this dissertation to ensure the first segmentation position obtains a very high rate of success

    在字元分割方面，提出了間隔符區域匹配的方法獲得分割起始位置、並以二值圖像垂直投影尋找極小點結合車牌制式先驗知識的演算法，以消除車牌左右兩端定位精度對字元分割的影響。
  11. By establishing the direct mapping from the state set to the action set, the planning efficiency is improved. the learning converges to the optimal control strategy. the simulation result shows that the control strategy is optimized and the control performance is improved

    同基於傳統人工勢場法相比，此方法避免了不合理勢場方程所引起的局部極小值問題，而且通過學習得到的策略，可以得到從任意起始位置開始的最優路徑。
  12. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學模型，在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理，採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹，詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究，包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時，選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量，解決了扇區切換時的矢量突變問題。
  13. Because the ins error equation is unstable, some initial states error will cause error floating and error accumulating, if the filter observations were only position error, kalman filter will converge very slowly, and some states error ( such as yaw error ) will be great. since the milemeter altimeter and piloting could only output position information, this paper put forward a method, firstly estimateing states and then kalman filtering, to improve filtering effect. simulation proved that this method could effectively reduce the system states error, quicken filtering convergence and improve filtering precision

    由於慣導系統（ lsins ）的誤差方程是發散的，某些初始狀態的誤差會引起誤差的漂移和積累，當觀測量只有位置誤差時，卡爾曼濾波的收斂速度很慢，某些狀態（如方位角）誤差很大，而以上除慣導外的其它導航傳感器直接提供的只是位置信息，為了改善濾波器性能，本文根據里程計等傳感器的特點，提出了首先對狀態做出估計，然後在狀態估計的基礎上，進行卡爾曼濾波的方法。
  14. With the differences between leisure vacation travel and sightseeing travel from their origins, and the modes and paths of development, the paper concludes that high and low end market orientation, diversification of product, leisure culture construction and industrial bounder setting are the trends of leisure vacation industry

    在探討休閑度假產業與觀光業在起始點、展開模式、發展路徑、開發著力點等方面的差異后，本文指出了今後休閑度假產業在高低端市場定位、產品多元化、休閑文化建設、產業邊界等方面的發展趨向。
  15. To make sure the asia outdoor trade fair can perfectly combine the chinese elements, asian characteristics and german qualities, our committee is trying to attract exhibitors in asian neighborhood by all means, meanwhile starting to carry out the issue of organizing trade visitors

    為了確保亞洲戶外展能夠將「中國元素、亞洲特色、德國品質」完美融合在一起，組委會多渠道、全方位的開展了亞洲區域的招展工作，並在招展的同時開始啟動專業觀眾組織工作。
  16. Gets the start and end positions for the source of the current method

    獲取當前方法的源的起始和結束位置。
  17. This thesis introduces the key technique of the us military distributed information system, with focuses on algorithms about related navigation of military tactics. kalman filtering combined with least square method is proposed for the current military development stage. the method of observation result including velocity component minimizes the convergence time, improves the positioning precision and acquired satisfied experiment results, which makes the pla independence of the us high - tech equipments

    本文簡要介紹了現階段美軍在戰術信息分佈系統實現中所採用的關鍵技術，重點對戰術飛機相對導航的各種實現演算法進行了深入探討，針對我軍當前在該系統領域中的技術現狀，提出了以最小二乘法輔助卡爾曼濾波，濾波過程中觀測量加入速度分量的方法，縮短了導航濾波起始階段的收斂時間，提高了定位精度，在工程上取得了較理想的實驗數據，在一定程度上擺脫了我軍在相對導航領域對美軍先進技術裝備的依賴。
  18. It then moves the start position of the range seven characters after the original start position, using the

    方法將范圍的起始位置移動到原起始位置之後七個字元處。
  19. Parameters that determine the starting location for the text

    方法還具有可決定文本起始位置的
  20. The starting node of the subtree that is exposed is a child node

    ，則公開的子樹的起始節點是位於所標識的起始節點下方
分享友人
分享到 Line

分享到臉書