質點位移 的英文怎麼說

中文拼音 [zhídiǎnwèi]
質點位移 英文
particle displacement
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : 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「、」)...
  • : 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...
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  1. This dissertation studies the problem of dynamics modeling, dynamical response, and distribution of moving mass for a re - entry vehicle ( mmcrv ) under the background of national natural science fund project “ precision control and guidance for moving mass control of a re - entry vehicle based on the virtual displacement concept ”

    本論文以國家自然科學基金項目「基於虛概念的變心再入飛行器精確制導問題研究」為背景,研究基於變心控制的再入體動力學建模、動力學響應和落分佈等問題。
  2. Combining with the research task researching on the deformation and stability of deep excavated cuts and high filled embankment of the traffic department in fujian province, based on the residual soil slope project on the project site at k15 + 183 of yong - zhang highway ( yong ' an section ), adopting non - linear theory, modern monitoring technology and numerical simulation technology, the deformation and stability of cutting cliff debris and residual soil slopes have been studied systemically and synthetically in the thesis. at the same time theory analysis, the analysis and estimate of field monitoring are taken into account in this course. main research work and working achievement are summed up as follows : ( 1 ) with the acquaintance of the trends and development about the deformation and stability of slopes at home and abroad, slopes are classified and summarized systemically

    並通過k15 + 183工路塹土邊坡的各類變形的監測成果驗證了該程序的正確性及適用性; ( 5 )通過應用大型有限元軟體ansys模擬分析,不僅分析了其隨著開挖時間步的應力應變關系,並模擬了與實際測斜管相匹配的測斜路徑,通過對各開挖時間步的模擬計算分析,得到了與實測數據較符合的結果; ( 6 )綜合監測分析成果和極限平衡理論計算分析成果,對k15 + 183工路塹邊坡的原設計坡率和幾何形態進行了優化計算分析,取得了較為滿意的結果。
  3. 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量評價演算法;設計了一種改進的兩步虹膜定演算法,準確的定了虹膜的內外邊界;利用坐標轉換和編碼的循環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「基於小波模極值置的虹膜識別演算法」 。
  4. By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images , an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept , only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result , sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col : ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 , an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri : ace of object successfully he 。 叩 proach , called rered ature mopmp consists of two pans at fst , an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel , called ae , ea atures , or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 , some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt , nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient , especially n rendering those objects with a smaller depth rnge compared withtheir size , such as relief surfaces of building

    與己有的三維變換方法相比較,該方法不但成功地填補了由於投影區域擴張而產生的第一類空洞,而且成功地填補了由於空間深度非連續物體相互遮擋而產生的第二類空洞,從而方便地實現了虛擬環境中的漫遊;基於物體表面深度的連續性,本文提出了一個預測方法? ?此方法可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的信息,從而大大提高了演算法的效率:與通常的正向映射演算法相比,此演算法克服了多幅參考圖象所帶來的計算量成倍增長等問題,而且誤差較小。 2 )基於極線幾何的快速逆映射演算法。利用參考圖象的邊界信息與隱含的遮擋關系,以及極線幾何的性,本文第三章提出了一個基於極線幾何的快速3 『一中國科學院軟體研究所博士學論文基於圖象的快速繪制技術的研究逆映射演算法,從多幅參考圖象精確合成當前視目標圖象。
  5. Inversion analysis of measured displacements is used extensively in geotechnical engineering, structural engineering, information construction, and trauma diagnosis, etc. in this dissertation, parameters identification of original geostress and medium physical property in cavern, slope, tunnel and dam are taken as a cut - in point. macroscale inversion analysis of displacements and numerical solutions of inverse problems of mechanics are researched profoundly. scientific theories of multiscale problems are connected with numerical inversion approaches

    本文以地下洞室、邊坡工程、隧道工程與大壩等領域的初始地應力參數和介物性參數識別為切入,對宏觀尺度反演分析和力學反演問題數值求解方法進行了比較深入的研究,並將多尺度問題科學理論和反演數值方法聯系起來,初步探討了結構性承載材料(如巖石、骨材料等)的多尺度力學模型及其反演方法。
  6. 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置的輕微,通常是由晶體的缺陷,如錯、間隙原子、雜原子存在引起的。
  7. According to solid - state physics, the physical mode of elastic wave stimulating the nucleation of martensitic transformation had been established, of which the elastic energy release as elastic wave to induce particle displacement and strengthen the condition required by martensitic transformation

    依據固體物理理論,建立了彈性應變能以彈性波的形式釋放,彈性波在奧氏體中傳播引起晶體,強化馬氏體相變形核的條件,促進馬氏體相變形核的物理模型。
  8. Analysis of general stress and displacement in piezoelectric ceramics with an elliptic hole

    任意載荷下含橢圓孔壓電介中廣義應力和分析
  9. It is independently adjusted on the right and the left patent no36247. the rotary point of pincers base plate is located at the point between the first and second pincers. the curve in between will be changed when the groups of right and left pincers are adjusted, which will keep the uppers more attached to the lasts

    18 .爪盤大小可快速調整結構爪盤採用雙軌跡結構,左右分開獨立調整專利第新型36247號其旋轉原則不受空間限制,設定於中爪及第二爪之銜接處,故左右爪組于快速調整大小時,和中爪之弧型置,絕不會改變,可使鞋面于夾緊時更貼楦頭,確保結幫品
  10. There are many factors that made modern high building ’ s graphic layout become increasingly complex and irregular. those factors including the raising of china economic level, people ’ s aesthetic capacity to building already become more strict than before and the extremely fierce market competition in construction business. therefore, in high - rise building ’ s design, how to reduce even avoid all kinds of high - rise building ’ s potential damage caused by irregular horizontal layout

    高層建築結構設計中,平面布置規則性是必須仔細考慮的因素,由於不規則平面布置結構其平面量中心即外荷載合力作用同剛度中心不重合,導致同層構件同一方向上產生不同,使結構繞剛心發生扭轉,嚴重時導致結構整體破壞,所以在實際結構設計中,必須對結構平面布置不規則問題提起足夠重視。
  11. Based on selective learning of data mining and analysis of characteristics of data or information in rock mechanics and engineering, some data mining algorithm models are applied to analysis problems of rock engineering and the research is combined with practical engineering projects. relevance analysis to slope rock rheological test, rock mass quality assessment of dam foundation rock mass and displacement time series forecasting analysis to underground opening are performed by using data mining technique in this paper

    本文在較全面的探討現有數據挖掘技術以及分析了巖體工程有關數據和信息特基礎上,結合具體工程問題,基於數據挖掘技術進行了邊坡巖體流變試驗成果的相關性分析、壩基巖體的巖體量評價分級研究和地下洞室監測序列時序預測分析。
  12. There are three difficulties and key problems in this papaer : : the first problem is what is the dominance bearing of the leakage fractures, and how the bedrock fracture water distribute, the second is how to test the complex chemical behavior in experiment way and quantify the relative parameters, the last question is how to number the transportation of the element 90sr and its pollution to solve the three problems, this paper does lots of work and come to the prospective order, the creativities in this thesis as follow : ( 1 ) the dominance bearing of the leakage fractures and the distribution feature of the fracture water are ascertained based on rich geological data, these basal researches are very important, which are the premises to build the transport model of the fracture water in hae field

    本項研究工作的難和關鍵問題有三個: hae處置場基巖裂隙系統中,導水裂隙的優勢方是什麼,基巖裂隙水活躍帶分佈情況如何;怎麼對核素遷的復雜化學行為進行實驗室測試並取得有關定量化參數;怎樣數值化表現出溶的遷行為和污染情況本論文在解決以上三個問題上做了大量的工作,達到了預期的目的,其創新之處有以下三: ( 1 )通過地資料的分析,首次提出了hae預選處置場基巖裂隙導水的優勢方和基巖裂隙水活躍帶的大致分佈特徵。它是一個很重要的基礎性研究成果,是建立hae處置場水運動模型的前提。
  13. The quantitative relation of both the p - wave particle displacement proportion to charge and the root mean square of amplitude proportion to the 3 / 2 root of cavity radius was obtained, then the elongated charge, and the vertical delay stacked source, and the concentrating energy source, and the detonating seismic hammer, and opposite collision source were developed

    本文基於球腔震源的縱波方程、激發子波的振幅及頻率與藥量的關系等理論基礎,總結了縱波質點位移與藥量成正比、振幅譜均方根與空穴半徑的3 2次方成正比的定量關系。
  14. Based on the characteristics of the quaternary tectonic activities of babaoshan - huangzhuang - gaoliying fault and the regional principal compressional stress direction and regional tectonic activities derived from the recent cross - fault displacement observation data in the capital area, we have analyzed the relationship between the fault movements at 7 cross - fault observation sites on the babaoshan - huangzhuang - gaoliying fault and the seismicity, conclude that the capital and adjacent area is soon to enter upon the next active period of earthquakes

    摘要根據八寶山黃莊高麗營斷裂第四紀地構造活動特徵和利用首都圈地區跨斷層最新的觀測資料求得的北京地區區域主壓應力方向和區域構造活動特徵,分析了八寶山黃莊高麗營斷裂上7處跨斷層的斷層活動與地震活動的關系,得出了首都圈及鄰近地區即將進入下一個地震活躍期的結論。
  15. The multi - degree - of - freedom system structural dynamic response analysis of blasting ground vibration velocity displacement excitation

    爆破地震速度激勵多系結構動力分析
  16. So, because of the distinctness of vertical displacement of each vertical member of the same floor, then member model is presented to analyzing the vertical vibration during the vertical seismic action

    因此,由於各豎向構件在同一樓層處豎向不同,需要用串並聯多系模型來分析豎向地震作用下的豎向振動。
  17. From the global stiffness matrix of plane frame, condensing the static force and eliminating the coupling of vertical force and displacement and other broad sense force and displacement, obtained the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action considering the influence of horizontal girds and nodal

    從平面串並聯多系結構的總剛度矩陣中,採用靜力凝聚法,消去豎向力和豎向與其它廣義力和廣義之間的耦聯關系,得出框架結構在豎向地震作用下考慮水平梁和節轉角影響的豎向剛度矩陣。
  18. Indentificatiort is also the first step towards studies on protein co - and post - translational modification, and ultimately, function. in the present study, the total proteins of the photo - thermo sensitive genie male - sterile rice ( oryza sativa, peiai64s ) spikelet at meiosis stage were used as the material. by optimizing crucial factors and procedures such as sample treatment, electrophoresis parameters, and gel concentration, 2 - d maps with high quality and reproducibility were obtained

    用兩種方法對經雙向電泳分離的凝膠上的蛋白進行了初步鑒定,一是通過電印跡轉把蛋白轉到pvdf膜上,再用edman降解的方法測得部分相對分子量在10000 - 30000da的蛋白的n -端序列,通過網上搜索其同源性對其進行鑒定,並確定該在凝膠上的置。
  19. Owing to many unique properties of their own such as light self - weight, large flexibility and low damping, suspension cables often suffer large displacements but small strains each under normal work conditions. cables are also sensitive to dynamic loading with low frequencies such as wind loading

    懸索具有量輕、柔性大、阻尼低等特,在正常工作情況下多處于大、小應變的變形狀態,對低頻荷載如風荷載等十分敏感。
  20. Long - time in - situ supervision of a high rock slope was done. the supervised results show good stability of the slope. analysis of supervised data of multi - displacement - monitoring instrument ( mdmi ) showed that displacement of slope has intimate relation with free air temperature but the former lag behind the other

    通過對某一具體工程的巖高邊坡進行長時間的現場監測,結果表明該邊坡處於一個良好的穩定狀態;而分析多計監測數據發現,監測到的山體和大氣溫度有著密切的關系,但前者的變化滯後於後者。
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