質點位置 的英文怎麼說

中文拼音 [zhídiǎnwèizhì]
質點位置 英文
particle postition
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 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...
  • 置 : 動詞1. （擱; 放） place; put; lay 2. （設立; 布置） set up; establish; arrange; fix up 3. （購置） buy; purchase
  1. Because it is impossible to adjust the air bearing absolutely balance, the difference between mass center and rotation center must lead to a notable gravity disturbance torque. in the process of identification, modeling and identification of gravity disturbance torque is considered, and an extended kalman filter is educed for identifying air bearing inertia matrix and gravity disturbance torque, and then the algorithm is validated

    由於氣浮臺平衡調試方法和手段的限制，實驗過程中氣浮臺質心與轉動中心有一定的位置偏差，必將導致較大的重力干擾力矩，在辨識演算法的推導過程中，重點考慮了重力干擾力矩的建模和參數辨識問題，推導了氣浮臺的轉動慣量和重力干擾力矩辨識的擴展卡爾曼濾波演算法，並對演算法進行了數學模擬和全物理模擬驗證。
  2. On the base of compendious introduction of position, condition of traffic, choice substratum of this topic and studying significance of bamei eco - tourism region, the thesis has especially narrated strategic significance of developing tourism and regional geological background, has detailed introduced type and feature of tourism resource of bamei eco - tourism region, has deeply analyzed relation of tourism market supplying and needing ; after studying feasibility of conversion of resource and production, the author took the opinion of deeply development of tourism products, and detailed discussed on deeply development of tourism products of bamei eco - tourism region

    文章在簡略介紹了八美生態旅遊區地理位置、交通條件、選題依據及研究意義的基礎上，重點敘述了本區發展旅遊業的戰略意義及其區域地質背景；詳細介紹了八美生態旅遊區旅遊資源類型及資源特色，深入分析旅遊市場供需關系；在對資源-產品轉化可行性研究之後，提出了旅遊產品深度開發的理念，並按近期、中期和遠期三個階段對八美生態旅遊區旅遊產品深度開發進行詳細深入地探討。
  3. Effects of hydrogenic donor impurity position on the binding energy of a bound exciton in - nitrides quantum dots

    族氮化物量子點中類氫施主雜質位置對束縛激子結合能的影響
  4. A particle has no extent so that its position is a point.

    質點沒有廣度因此它的位置是一個點。
  5. Points p and q represent two positions of the particle.

    P點和Q點分別表示該質點的兩個位置。
  6. At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +

    首先改進了虹膜預處理方法，實現了一種快速高效的虹膜質量評價演算法;設計了一種改進的兩步虹膜定位演算法，準確的定位了虹膜的內外邊界;利用坐標轉換和編碼的循環移位實現了對虹膜圖像的配準;利用雙三次樣條函數擬合虹膜圖像背景，去除了非均勻光照對虹膜識別的影響;使用二分樹復數小波方法增強了虹膜圖像的對比度;在識別演算法方面，本文設計了一種「基於小波模極值點位置的虹膜識別演算法」 。
  7. On the regional karst water, it has been primarily clarified that the distributing trait, the cause of formation, and the environment background, and it has been confirmed that the source, the height, and the location about the karst groundwater replenishment. we have found out the relationship of developing circulation among the atmospheric water, the surface water, and the groundwater in the research area, and have compartmentalized the different geohydrology structures about the karst water. 2

    初步查明了研究區的巖溶水分佈特點、巖溶水的成因及形成的環境背景，確定巖溶地下水的補給源區、補給高度、位置及巖溶區內大氣降水，地表水、地下水的動態循環關系，劃分出巖溶水不同的水文地質單元； 2
  8. Slight displacements of atoms relative to their normal lattice positions, normally imposed by crystalline defects such as dislocations, and interstitial and impurity atoms

    原子相對於它們正常點陣位置的輕微位移，通常是由晶體的缺陷，如位錯、間隙原子、雜質原子存在引起的。
  9. By applying the theory and method of geological anomaly, it is focused on the analysis of the characters of major geological anomalies and their effect of mineralization in daye - jiurui region. the analysis result shows that the basement fault anomalies control a few major large hidden batholiths and their associated orefields ; that the anomalies of cover structure confine most cu - au deposits and fe - cu deposits within their scope ; that the geochemical anomalies and lithofacies - paleogeographical anomalies are major geological factors leading to trataboundness of some cu - au deposits ; that the anomalies of rock operties provide the favorable chemical and physical conditions for the ore - forming process, including the seepage, circulation, convergence and deposit of ore - bearing hydrothermal solution ; that the anomalous ctive stage of mesozoic magmatite is almost consistent with the major mineralization epoch of the fe, cu deposits, and the structure of multi - levels, and the zoning in magmatic system determine the spatial distribution of the mineralization system. then, based on the above analysis, a comprehensive variate, geological combination entropy, is brought forward for reflecting the complex degree of the combination of geological ore - controlling factors. after circumscribing the anomalies of geological combination entropy, the relations between the anomalies and ore deposits are determined

    從地質異常的角度，重點分析了大冶九瑞地區主要地質異常的特徵及其對成礦的影響.由分析可知：基底斷裂異常控制了本區若干重要規模較大的隱伏巖基及伴生礦田，而蓋層構造異常控制銅金礦床和鐵銅礦床的空間位置；地層的地球化學異常和巖相古地理異常是造成一些銅金礦床層控性的主要地質因素；蓋層的巖性異常為含礦熱液的滲流、循環、聚集和礦質沉澱等一系列成礦作用提供了有利的物理和化學條件；中生代巖漿巖的異常活動期也是本區主要的鐵銅成礦期，巖漿巖系統的多層分枝和分帶性結構控制了本區成礦系統的三維空間分佈.在上述分析的基礎上，構置了地質組合熵作為反映控礦地質因素組合系統結構復雜程度的綜合變量，並圈定出組合熵異常，由此確定了綜合地質異常與礦床的關系
  10. Because the data mutate on the position that is the edge, the normal curvature on some orientation changes from positive to negative. so it is thought whether some point is judged the edge - point by this character

    由於邊緣是圖像上像素發生突變的位置，所以在圖像曲面上某一方向的法曲率值會出現由正到負的變化，故此應用這個性質來判斷曲面上某點是否為邊緣點。
  11. The simulation results show that the feature point detection and tracking algorithm is feasible. next, matched points based essential matrix estimation is studied. the spacecraft attitude and position parameters are derived from essential matrix and the scale of motion is recovered with range information from laser ranger taken in account

    再次，研究基於匹配特徵點對的本質矩陣的估計演算法，給出了由本質矩陣求取空間探測器的姿態信息和位置信息的方法，並且結合激光測距儀信息，得到探測器的運動比例參數，實現軟著陸過程的導航。
  12. This method is also valid for identifying the circuit and branch defect of first group spatial linkages based on the equivalent of circuit properties of the first group spatial linkages and its equivalent sphere four - bar linkage base on the property of the solutions of quartic equation, the conclusion that the number and order of branch between two adjacent stationary positions of the input link are derived. then, the new method to identify circuits of spatial single - loop linkages with four closures is presented. all types of the manner on which the branches coalesce at the stationary positions of the input link are obtained and the procedures to determine the type automatically are developed

    基於一元四次方程解的性質，得到了在輸入構件兩個相鄰瞬時靜止位置之間機構的分支的數目和大小順序不變的結論，進而提出了識別具有四個封閉形的空間單環機構迴路的新方法一一死點法，綜合出了輸入構件位於瞬時靜止位置時機構分支結合情況的所有類型及其自動判別方法，研究了由所有結合的分支信息自動生成迴路的演算法，首次解決了此類機構迴路與迴路缺陷的自動識別。
  13. When pulled to one side of its equilibrium position and released, the pendulum bob vibrates about this position.

    把此質點作為擺錘拉到平衡位置的一側，然後釋放，擺錘就在平衡位置附近擺動。
  14. In the special fields role, quality control, accessories and equipment for machines or beyond that with measuring system, measuring table systems, linear testing technology as well as with concrete pipe technology, interface and / or with table systems and machinery software is hecht electronic aktiengesellschaft well - known

    Hecht electronic aktiengesellschaft是一家現代化的、可靠的產品供應商，這家供應商從事混凝土管生產工藝，測量裝置，測量臺系統，工作臺組系統，位置、方位、項目、姿勢、地位、職位、立場、位、陣地、工位、位置度，定位，質量，質量控制，管、筒，滾輪、線圈，切削點、切割點，機器配件和裝備，長度測量技術，機器軟體的製造、銷售。
  15. Cross - country skis. determination of mass and location of balance point

    速度滑雪板.質量和平衡點位置測定
  16. It can be used in any complex environment, can locate all paths from transmitter to receiver which avoid redundant calculation, and it is a standard 3 - d forecast model ; in addition, it is a point to point ray tracing method based on specular theory which do n ' t carry out the receive test ; furthermore the model adopt the reverse arithmetic which exert the tree concept in data frame and establish a virtual fountain tree permanently, the proagmme can back - search the virtual fountain tree when it is running. these operation increase the calculate speed and it result in the higher receive efficiency and precision. the thesis design a programme to compare the prediction results based on ray tracing method of virtual fountain tree between the measurement results and prediction results based on the other transmittion models. the comparsion result indicate the new model is a better model

    它可應用於任何復雜的傳播環境中，能找到發射機到接收機之間的所有電波傳播路徑而無須冗餘的計算，是一種準三維的預測模型；另外，從本質上講，它仍然是一種基於鏡像理論的點對點的射線跟蹤法，所以它無須進行接收測試；而且由於採用了反向演算法，運用數據結構中多叉樹的概念，先確定需要計算的場點位置，找出所有能從源點到達場點的射線，並且可一次性建立一個虛擬源樹，以後每次的計算只要通過對該樹進行後序遍歷即可，大大提高了運算速度，因而有較高的接收效率與精度。本文對該模型進行了相應的模擬，並將其預測結果與實測結果以及基於cost231經驗性模型和基於強力射線跟蹤確定性模型的預測結果進行了比較，結果表明了該模型的優越性。
  17. In the thesis, we proposed a random lattice model of mea the lattice model randomly occupied by three kinds of particles, pt / c, nafion and ptfe ( poly - tetra - fluoro - ethylene ), was generated on a computer by the means of monte carlo method. it was supposed that current was only produced on those catalysts which have not only channels of electrons via carbon but also have channels of proton via nafion. the purpose of the work, in a word, is to find how many catalysts, pt / c, with such a two - types channels

    本文首先建立了質子交換膜燃料電池的膜電極的隨機方格子模型，在電極模型各格點位置用montecarlo方法生成隨機分佈的電極粒子、 nafion粒子和聚四氟乙烯團粒，認為只有那些既有質子傳輸通道，又有連續的電子通道和氣體擴散通道的胞元才產生有效的電流，而其餘胞元不產生電流，把電極的輸出電流轉化成一個概率事件。
  18. 2 ) the course to resolve the inverse kinematics is improved. the inverse kinematics method based on those dispersed placement positions is raised. this new method can ensure that the real fiber route matches up to the designed ones while improving the quality of placement

    2 ）改進了鋪絲逆運動學求解，提出了基於鋪絲離散點位置的逆運動學求解方法，保證了鋪放復雜形狀芯模時鋪絲實際路徑與設計路徑的一致性，從而提高了鋪絲質量。
  19. These twelve particles form matter because they follow the pauli s exclusion principle. this principle says, among other things, that particles of the same type cannot occupy the same point in space and thus they hate each others

    這十二種粒子會組成物質是因為他們遵守泡利不相容原理，這原理的其中一項說，同一種的粒子不能占據空間中的同一點位置，所以他們是不相容的。
  20. Firstly, i built up simplify three - dimensional model and acquired the parameters of quantity, inertia and centroid. then i carried on the kinematics simulation in multi - body dynamics software adams, thus verified the accuracy of design scheme

    首先，建立了搖擺臺的三維簡化裝配實體模型，獲得各關鍵零部件的質量、慣量和質心點位置等參數，並在多體動力學軟體adams中進行了運動學模擬，驗證了搖擺臺設計方案的正確性。
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