方體線框 的英文怎麼說
中文拼音 [fāngtǐxiànkuàng]
方體線框
英文
box gizmo-
Through analyses of epipolarity geometry of the linear ccd push - broom images and frame perspective images, based on the projection track method, epipolarity of linear ccd push - broom image is established and the properties of epipolarity curves is discussed, and a new epipolarity model based on the simplified push - broom sensor model is proposed. for stereo images of frame perspective and linear perspective, how to set up of epipolarity is studied in terms of fundamental matrix in computer vision, and an algorithm of epipolarity solution that only depends on coordinates relation of identical point is presented. 4
通過線陣ccd推掃式影像和框幅式中心投影影像核線理論的對比研究，利用投影軌跡法建立了線陣ccd推掃式影像的核線模型，分析和總結了它的基本特性；針對基於共線方程的簡化傳感器模型，提出了一種新的核線模型；對框幅式中心投影立體影像和線陣ccd推掃式立體影像，利用計算機視覺中的基本矩陣研究核線關系的建立，提出了一種單純依靠同名點坐標關系的核線模型解法； 4Aiming at the function and performance limitations of traditional special cnc or current pc - based open - structure cnc, a brand - new cnc platform designing scheme of multi - layer open - architecture is presented, based on embedded - mcu calculation and management core, and three kinds of expanding mode of software, hardware and interface. by using double system working ram and boot rom technology, an independent re - development interface is set on the hardware platform to realize customized function ’ s simulations and verifications online, which makes all the expanding or re - configuring on basic cnc platform are all safe and restorable
本文針對傳統專用數控系統的結構封閉、交互形式不通用和配置擴展不靈活方面的劣勢以及當前pc模式開放結構數控的體積龐大、開放程度不高和實時可靠性不強的局限，創新性地提出了以基本cnc框架+軟體、硬體和介面三種擴展形式為特徵的層次化開放結構的嵌入式cnc硬體平臺，並採用雙存儲區技術進行了cnc系統在線模擬校驗機制和安全保護機制的方案設計。This paper uses for reference with an example of frame - shear wall structure and studies the conceptual design and method for optimizationof structural system. through establishing frame - shear wall structure unisonous differential eguation and finding a result, the side shifting curve, moment and shear force distribution curve are obtained under inverted triangle load action on the frame - shear wall structure. after analyzing and comparing, the range of best rigid characteristics for such structure has be gotten
本文結合框架-剪力墻實例，研討了結構體系的概念設計和整體優化方法。通過建立框-剪結構協同工作的微分方程及求解，得出框-剪結構在倒三角形荷載作用下的側移曲線、彎矩、剪力分佈曲線，經分析對比，得出框-剪結構最佳剛度特徵值區間。Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect
在實際設計實現中，為提高系統軟、硬體整體穩定性和可靠性，使用了以下幾種方法： （ 1 ）低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術； （ 2 ）多層pcb設計，線路板結構緊湊，電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電； （ 3 ）選用表面貼和bga封裝的器件； （ 4 ）按照軟體工程的要求進行系統分析，規劃系統框圖、流程分析、模塊劃分，減小了不同模塊的相關性，從而最大限度避免了錯誤的發生。The contents of this paper can be discribed as follows : at first, introduced several terms which have something to do with this system, for example wap, sms, ota, wig, wib, wml. then, analyzed and compared four kinds of mobile stock system model ; analyzed the requirements in theory, discussed the technology of push and web database ; designed the founction of the mobile stock value - added system ; established the system frame of the mobile stock system based on wireless internet browser ; discussed the security performance of mobile stock system, and designed a security scheme which may be received by stockholder, brokedealer, banker. finally, implemented the menu of mobile stock value - added system, and remote management it with the ota technology
本文首先介紹了幾個重要術語，比如無線應用協議wap 、空中下載ota 、無線網際網路關wig 、微瀏覽器wib 、編寫無線應用菜單的語言wml ；然後分析、比較四種手機炒股模型；對系統的需求進行了理論分析；研究了「推拉」技術和web數據庫技術；設計了系統的功能框架；建立了基於微瀏覽器模式的手機炒股系統的體系結構和總體框架；探討了移動電子商務中的安全策略；設計了股民、證券交易商、銀行都可以接受的安全方案；最後實現了手機炒股系統的增值服務菜單以及利用ota技術對服務菜單的遠程管理。This paper introduces a project based on code division multiplexed that is used to realize four el channels ' s wireless transportation. after briefly introducing the whole structure of the device of transportation, this paper introduces mainly implemention of the hardware. futhermore, the discussion concerning the selection of principles in code acquisition and the threshold setting of code acquisition on continous pilot in the receiving unit is given. at the same time, the methods about how to design the parameters of dll is introduced in this paper. in addtion, how to solve the actual problems in debugging the hardware is also provided
本文提出了一種基於碼分復用技術的四路e1數據擴頻無線傳輸設備的實現方案。在介紹整個擴頻數傳設備實現框圖的基礎上，重點介紹了硬體平臺的實現；接收單元捕獲策略的研究及其捕獲門限的確定方法；以及接收單元dll環路參數設計方法；並給出了調試過程中遇到的實際問題及其解決措施。基於調試所遇到的問題，論文的最後提出了這套數傳設備的改進方案。First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter
在基於中頻采樣的軟體無線電結構框架下，首先詳細探討了軟體無線電的前提條件，即如何對連續時間信號進行采樣量化，比較分析了幾種采樣的方式，其中最為重要的是帶通信號采樣定理；然後探討了軟體無線電的一個重要基礎，即多采樣率信號處理，重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現；接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器；再次論文在總結了傳統的調制解調基礎上，結合軟體無線電器件的特點，系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done
本文採用理論分析和試驗研究相結合的方法，研究了目前應用較多的綜合性大廈? ?框支分區剪力墻高層商住樓的抗震性能及空間精細分析和簡化分析方法，主要內容為以下幾方面：對一擬建的復雜高層建築結構，採用1 20比例的空間整體模型，進行了26種工況下的模擬地震振動臺試驗，觀察了結構的破壞過程和地震反應，分析了結構及構件的抗震性能；建立了結構的精細空間模型，利用sap2000n大型有限元分析程序對結構進行了彈性時程分析；通過有限元分析與試驗結果的對比，對結構的抗震性能和抗震能力做出綜合評價，認為該結構由於轉換層上部去掉部分樓板，既可滿足建築設計的通風、採光等要求，又可達到協調結構轉換層上、下樓層抗側剛度的效果，是一種較理想的有多道抗震防線的結構型式。The design process of the proposed method is described as follows : the user inputs the 3d sketch of a welded machine, and the geometry and topology information of the members in the welded machine are established automatically. the design information is acquired by the means of man - computer interaction. according to the knowledge of design and welding, the rules of bar orientation, joint processing and welding sequence are established
用戶在autocad中輸入焊接機架的線框簡圖，提取出機架結構的幾何和拓撲信息，然後通過人機交互輸入設計信息，並根據機架的設計知識與焊接知識，建立機架的桿件方位布置規則、節點處理規則與焊接順序自動確定規則，最後在autocad中生成經過節點處理的機架三維實體，並提供一套合理的焊接順序。This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored
二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論，特別對利用空間信息進行閾值選取進行了詳細論述；在對通過對基於數學形態學的細化的基礎上，討論序貫同倫形態細化演算法和保形的快速形態細化演算法；然後依據聯機字元識別原理框圖，分析了手寫數字的結構特點，提出了基於筆劃特徵的任意手寫數字在線識別技術和基於多級分類器任意手寫數字在線識別技術，對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述；繼而在對手寫數字的分割的基礎下對脫機手寫數字識別進行了研究，對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振（ art ）網路的字元識別分別進行了詳細討論，並引入置信度分析將多個分類器進行了混合集成；最後簡單闡述了手寫數字識別的典型應用，對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。Combined frame modeling method and surface modeling method build up the topological relations of spacial point, line and surface on condition that the points on the surface of measured object is considered as known points after compared with other several modeling method
在比較了已有的幾種三維建模方法后，結合線框建模和表面建模的方法，將近景攝影測量所測物體表面點作為已知點，構建空間點、線、面的拓撲關系。Based on summary and analysis of cad technology, computer graphics, 3d modeling method, development environment and database technology, this dissertation has made researches and practice with the emphasis on the following several aspects : 1 ) the development of 3d modeling technology of cad experiences wire frame modeling, curved surface modeling, solid modeling, parameterized modeling and variable modeling. the technologies of different period are usually coexistent and not exclusive in concrete software products
鄭州大學碩士學位論文第11頁在對cad技術、計算機圖形學、三維造型方法、開發環境、數據庫技術等進行綜述分析的基礎上，本文著重對以下幾方面內容作了研究及實踐： l ） cad三維造型技術經歷了線框造型、曲面造型、實體造型、參數化造型及變量化造型技術等五個階段，不同階段的技術在具體軟體產品中往往是並存的，而非排它的。Then, it analyzed can and canopen application layer, including : real - time characteristics of can, the core of canopen - od, all kinds of communication objects, the allocation of cob - id and some device profiles. and xcanopen was brought forward for implementing of canopen in power line communication. then, on the reference design platform of freescale - agilent, xcanopen ’ s two standard software interfaces, bottom driver and function of communication and network management based on canopen were implemented
本文詳細分析了低壓電力線通信數據機的結構與工作原理;分析了can協議及其可以保證數據實時可靠傳輸的實質，剖析了應用層協議canopen ，著重解釋了canopen的核心?對象字典od 、各類通訊對象、標識符的分配，以及一些設備子協議（ deviceprofiles ） ，並提出了在電力線通信上實現canopen的解決方案? xcanopen框架;在基於freescale - agilent電力線通信的參考設計平臺上實現了xcanopen的兩個標準軟體介面，電力線通信底層驅動軟體的設計以及基於canopen協議棧的節點通信和網路管理功能，達到了使用canopen協議來實現電力線通信的標準化模塊的目的;最後，在canopen數據通信的實時調度上做了進一步的改進探索研究。On the basis of the experimental research, calculation method of stiffness in different stage, ultimate bearing capacity of cavity sandwith panel infill steel frame are discussed and aseismic design method on the new lateral resistant system are concluded. this model is implemented into the analysis on the experimental steel frame and the results agree well with experimental results. the design method is presented according to the interacting of infill and frame
在試驗研究的基礎上，建立了空腔砌塊復合墻體鋼框架體系考慮退化的三線型恢復力特性模型，提出了模型各受力階段的剛度計算公式、極限承載能力的計算方法和抗震計算方法，將該模型的計算方法用於本次試驗鋼框架，所得出的計算結果與試驗吻合良好。Geometry modeling technique ( including wire frame modeling, superficial modeling and solid modeling ) can not be adapted to the contemporary requirement in the development of cad / cam integration, then it comes into being the feature modeling means which can integrate entire product design and manufacture processes
幾何建模技術（包括線框建模、表面建模和實體建模）已經不能夠適應現代cad集成發展的需要，於是產生了面向整個產品設計過程和製造過程的建模方法? ?特徵建模。Object shapes are represented by primitive shapes ( box, cone, cylinder, sphere ), and complexes of polytopes ( line segments, convex polygons, convex polyhedra )
對象形狀用基本形狀（方框，圓錐形，圓柱，球）和復雜的多面體（線段，凸多邊形，凸多面體）來表達。If the key points are not marked, i made a human line frame of reference to help users to drag the key points to the right position
對于沒有標識過的圖像，本文採用以人體線框為參照、隨意拖拽關節點的人工識別方式。Therefore, to help users point out the key points expediently, i made a default human line frame whose key points can be dragged at will by users. users can modify every worked image, save the file anytime and go on their job next time
本文為方便人工點取關節點，建立了默認人體線框，用戶可以拖動任意一個關節點到圖片的任意位置來定位其二維坐標，對點取完的圖片可以返回重新修改，而且可以隨時保存，以便下次繼續點取。" multi - step predictive sequence trajectory tree ", which respects the so - called " casual constraints ", is used to formulate the online optimization problem. and a framework is presented for a novel min - max robust model predictive control approach cf constrained linear time - varying systems with polytopic uncertainty
將「因果約束」引入凸多面體不確定線性系統，按照符合「因果約束」的「多步預測序列樹」設計在線優化問題，得到一種新型的基於閉環優化的最小?最大魯棒預測控制方法的框架。Although this phenomenon and assertion are well known, yet wire - frame as a graphics medium is still applied in some industry design and manufacture areas nowadays. it is because of that drawing a wire - frame is cheaper and easier rather than drawing a 3d object by solid modeling
雖然這一現象早已為人們所熟知，但由於線框模型形繪制比三維實體繪制快速、經濟，因此線框模型仍作為圖形表述的主要方法被廣泛用於工業設計與製造領域。分享友人