點影線 的英文怎麼說
中文拼音 [diǎnyǐngxiàn]
點影線
英文
dot-shaded line-
Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims
對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。After that, through discussion about the landscape estimate criterion, the author summarizes it as follows : aspect relation and meaning. then, based on the landscape features of the urban viaduct rail transit along the no. 1 subway in hangzhou, the authors analyzes and summarizes the challenges that we must affront to and comment on the aspect of the styles and colors of the viaduct. at last, from a combined view with city planning, the author puts forward some advice about the improvement on the sculpt and colorific aspects of viaduct
論文首先分析了高架軌道交通的景觀特點和空間組合模式;通過討論景觀評價的標準,將景觀評價標準總結為外顯、關系、內涵三個方面;然後結合杭州市地鐵一號線工程,從外顯、關系、內涵三個方面分析高架軌道交通可能產生的景觀影響問題;最後結合城市設計的角度,對橋梁的造型和色彩等方面提出部分改進意見。At any point the convergence is the angle between the meridian as represented on the plane and the n grid line.
一點上的收斂角是子午線在平面上的投影與N坐標線之間的角度。On the basis of remote sensing technique ' s good characteristic with large - area, multi - time, multi - photograph variety, manifold abundant spectral information and high ground resolution, the fault tectonics frame, river geomorphy ( such as terrace, floodplain, shoal, etc ) and suspended load, etc. were explained after analyzed the fault tectonics, river geomorphy, characteristic in the tm image by gray bar statistics, primary component analyses, tm741 image integration, line convolve enhancement and model recognition etc. especially 9 piece of fault tectonics were explained in this thesis, in succession, the impacts of the factors severally were analyzed
遙感技術具有大范圍、多時相、多片種、多層次、含有豐富的光譜信息及具有較高的地面解析度的特點。本文利用該技術,運用灰階統計特徵分析和主成分分析、 tm741多波段融合、線性卷積增強、模型提取等一系列遙感解譯分析方法,分析了斷裂構造、河流地貌(階地、漫灘、沙洲)及懸浮物等在tm遙感圖象上的影像特徵,解譯出了安徽南部斷裂構造格架、河流地貌和懸浮物的分佈,並新解譯出了9條近東西向的斷裂。First calculation method : doing horizontal projection drawing on drawing piece, k value is introduced by area equation of projection drawing, k value is obtained by area equation, along outline of projection drawing to add k value, that is, outline shape of blank drawing, principle area - equal and shape similar are used. second calculation method : along outline of drawing piece horizontal projection drawing, to do normal line of penetration line for wantonly point of this point, to obtain high of drawing piece on this point normal line, point and point is to form outline shape of blank
計算方法之一為k值法:作拉深件水平投影圖,在該投影圖面積方程中引入k值,利用面積相等原理解方程,求得k值,沿水平投影外沿加上k值,即為毛坯圖的外廓形狀。計算方法之二為拉深線法:沿拉深件水平投影圖外廓,在任意點作該點切線的法線,在該法線上以該點拉深件的高度為量,在法線上取截點。Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section
在第三章介紹無線光接入系統的光收發單元,採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用,針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術,同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標,最後給出了一個整個傳送鏈路的功率預算。The poems of this phase had generally a narrative thread that was reduced at times to a shadow-and they rambled gracefully, argumentatively, variously.
這一階段的詩,一般有一條有時談到只剩一點影子的敘事的線索,這些詩就是這樣優雅莊重地,追根究底地,變幻多端地抒寫下去。In two - view case, a method is presented for calculation 2d projective transformation and construction the virtual elements by combination of spatial points and lines. so more 3d invariants of object ' s spatial structures can be extracted from real elements and virtual eleme nts. ( 3 ) the geometric characteristics of 2d symmetric objects " in perspective images are lucubrated
( 2 )擴展了2d射影變換矩陣的求解方法,將單純利用點集對應的計算模式擴展到利用直線集、點線組合等多種類型來建立兩個射影平面的對應關系;總結了平面上基於點、直線元素可求解的多種3d不變量;提出了雙視圖下由點、直線元素的多種對應關系求解2d射影變換來構造「虛元素」的方法,結合「實元素」和「虛元素」可以提取更多的空間3d不變量。For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions
( 3 )深入分析了2d對稱性目標透視成像的幾何特點,將共點四線交比用於目標輪廓上的關鍵點的特性描述中;利用調和共軛關系,提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法;利用交比關系構造了目標的形心不變量,提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算法;進一步利用3d不變量和2d射影變換,實現了一定條件下的對稱性目標的形狀恢復技術。As a very important part of the ignition system, ignition coil gives great impact to the performance of motorcars
點火線圈作為汽車點火控制系統的重要組成部件,其指標直接影響汽車的動力學性能及環保性能。The natural line drawing is the one with hidden - parts - eliminated. based on the correlative constraints between vertices and straight lines on a planar object, we have proposed a new recursive method for computer interpretation of line drawings under orthographically axonometric projection
在建立了相關約束關系式的基礎上,提出一種基於點與直線的相對位置關系遞歸解釋線框圖的新方法,主要針對的是正軸測投影線框圖的計算機解釋。It is introduced the representations of straight lines in two - dimensional plane and three - dimensional space, line drawing labeling, the theory and methods of computer interpretation of line drawings based on the relative position relationships of the vertices and the planes on a planar object
在已有基於點與平面的相對位置關系解釋線框圖研究成果的基礎上,提出一種計算機遞歸解釋線框圖的方法,主要針對的是正軸測投影線框圖的計算機解釋。The simulating results indicate that the scheme is stable in linear frame, and exists weak instability on the intersecting points of lateral boundary and interface in nonlinear frame. in present stage, a technique of using damping zone to limit the movement of the intersecting points is used to avoid this instability problem, however, to solve it thoroughly, the original model has to be modified in the future
實驗證明,在線性框架下該模式是穩定的,但在非線性模擬中卻出現了由邊界角點引起的弱不穩定現象,必須對模式作進一步修改,為此同時提出了以消波器消除該角點影響的限制性解決方法。With rapid development of wireless communications, muitipath radio channel simulation has become an indispensable means of evaluating radio links. transmission of information over muitipath fading radio channel, such as the land - mobile hf or vhp channel has received much attention during the last three decades
本文以通信對抗內場半實物模擬試驗系統的工程任務和地面移動通信的設計模擬科研任務為背景,分析了vhf 、 uhf地面無線通信的通道特點,無線通道的主要參數及對通信性能的影響。Based on the strain history information obtained from monitoring of bridge operation state, and through detailed analysis of influential line shapes of measurement points on the bridge, a bwim ( bridge weight in motion ) method, the single - acme acutance method that can identify passing vehicle load, is established
摘要基於橋梁運營狀態監測得到的應變歷程數據,通過對測點影響線形狀的較深入分析,建立了識別過橋車輛荷載的一種bwim方法「單峰銳度法」 。Based on high - dimension space geometry, every speech sample is looked as a point in space. then the speech sample point is extracted feature by lpc, mel - scaled cepstrum analysis or auto correlation - angle. their feature is looked as a point too
基於高維空間幾何的思想,把每個樣本點和其特徵值看作高維空間中的一個點,用線性預測分析、 mel倒譜分析和自相關夾角法對樣本點提取特徵,然後用點在空間的投影來判別語音和非語音,根據判別結果來比較三種特徵提取方法的優劣。Including many types of work and excessive tache, the port operation is a combine task that is too many workplaces, long route, separation and deep effect by nature environment. in addition to the factors of high continuity and complexity, port operation exists much higher fatalness and insecurity than ordinary trade
港口生產是多工種、多環節的聯合作業,具有作業點多、線長、分散、受自然因素影響大的特點,加之港口生產的高度連續性及復雜性,致使港口生產中潛在著比一般行業更大的危險性和不安全因素。It is shown that the divergence angle of pumping beam and off axis pumping and spontaneous radiation influenced the linewidth of parametric light more quickly than those of other factors did, and the linewidth of parametric light is very narrow far away from the degeneracy point, and the linewidth begins to large quickly at the degeneracy point
結果表明,泵浦光的發散角、泵浦光的偏軸泵浦、自發輻射對參量光的線寬影響較大。在遠離簡並點處,線寬較小,在簡並點處,線寬較大。( 2 ) the effect of rotary target and fixed one on libs " intensity is studied. it is shown that the spectra intensity is stable when the rotary target is used
( 2 )研究了靶點的性質對libs信號強度的影響,實驗結果表明,在測量過程中若每個脈沖激光照射在固體靶上的不同點,譜線強度具有很高的穩定性。分享友人