點陣應變 的英文怎麼說

中文拼音 [diǎnzhènyīngbiàn]
點陣應變 英文
lattice strain
  • : 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 (作戰隊伍的行列或組合方式) battle array [formation]: 布陣 deploy the troops in battle fo...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  1. Based on projective geometry, the research works about 3d invariance ' s extraction and application have been done in this thesis as following : ( 1 ) the basic theories and concepts in projective geometry are systematically summarized. it includes : the camera models of perspective imaging, projective collineation, cross ratio, a simple compare about invariance ( invariant ) among some geometry transformations, fundamental matrix, epipolar and epipolar line in epipolar geometry, and so on. ( 2 ) the calculation methods for 2d projective transformation are extended from points to multi - element, which includes points, lines, points lines and so on, to get the relationship between two projective planes

    基於射影幾何理論,論文圍繞3d不特徵的提取和用進行了如下的研究工作: ( 1 )系統總結了射影幾何中的若干基礎概念,包括:透視成像的相機模型、射影對、交比不量、基於不同幾何換下的不量的簡單對比、對極幾何中的基礎矩、對極、對極線等。
  2. A technique of 3 - point positioning of welding seams with structure - light visual sensor is presented. with this technique, arc - welding robots can cope with the location variation of weld seams each time in batched manufacturing. on the base of suitable mathematical description, the localization problem is transformed into determining a displacement transformation matrix

    在此系統中利用機器人結構光視覺三焊縫定位技術,使弧焊機器人可以適批量生產中每次焊縫位置的化,通過適當的數學描述,將焊縫定位問題轉化為確定位姿換矩
  3. Compare to the normal rectangular waveguide, ridge waveguide has the character of broader bandwidth, smaller dimension, lower equivalent characteristic impedance, etc. because of these merits, it is used more and more widely, such as broadband ridge waveguide filter, broadband direct coupler, diplexer, frequency converter, phase shifter, ridge waveguide slot antenna array, and so on

    與普通矩形波導相比,脊波導具有工作頻帶寬、尺寸小、等效特性阻抗低等特。由於脊波導本身的特,使其得到了越來越多的用,例如寬帶脊波導濾波器、寬帶定向耦合器、雙工器、頻器、移相器、脊波導縫隙天線等等。
  4. 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,建立了彈性能以彈性波的形式釋放,彈性波在奧氏體中傳播引起晶體質粒位移,強化馬氏體相形核的條件,促進馬氏體相形核的物理模型。
  5. The main work includes : based on biot ' s dynamic consolidation equations, by the method of integral transform and matrix transfer, two - dimensional consolidation of layered saturated soils is studied. then, the general integral solutions of stress ( including pore pressure ) and displacement ( including fluid flow ) of any point were obtained under harmonic vibration loads according to staunch boundary condition. second, a program to verify the correctness of this dissertation is developed

    主要工作有:本文根據biot平面動力固結方程,運用積分換和矩傳遞的方法,研究了成層飽和地基的二維biot固結問題,根據下邊界為不透水基巖的邊界條件,獲得了地基表面作用簡諧振動荷載時,任意力(包括孔壓) 、位移(包括流體流量)的一般積分形式解。
  6. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型,推導出了一個通用的移動機器人堆積方程,在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解;使用muir和newman的運動學建模方法,推導了移動機器人上及連桿坐標系位姿、速度換關系矩及求解方法;在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析:推導了一種理論精度較高的航位推算演算法,並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過用與考核證明其中的分析與設計是切實可行的。
  7. The results show that setting matrix and geometrical transformation as a selected topic at senior high schools is not only necessary but also feasible. this topic meets the characteristics of students in senior high schools, and can satisfy their development. the results also show that matrix and geometrical transformation can broaden span of view, boost up study interesting, promote development of capability, enhance self - confidence, and build up the ideal and skills of using mathematics finally, several suggestions about the compiling work of new teaching materials and teaching work in practice under new standard were given

    其次,本研究進行了「矩與幾何換」這一選修專題的試驗班教學,對所做教學設計的科學性、所編寫教學材料的有效性與適性進行了實踐檢驗,結果表明,在高中數學課程中開設矩與幾何換這一選修專題不僅必要而且可行;矩與幾何換這一選修專題的知識既符合學生全面發展的需要,又符合學生的學習特;發現矩與幾何換對學生全面發展所具有的促進作用主要有:能開闊學生視野,增強學習興趣,增加數學學習的信心,促進學生辯證思維能力的發展,有利於培養學生自覺用數學的意識與能力等。
  8. In chapter 4 we discuss the design of the high speed and high performance vlsi and its imp1ementation, firstly we ana1yze and compare the features and ru1es of al1 kinds of fft algorithm, adopt complex radix 4 butterfly calcu1ation as basic alu, then discuss all kinds of process architectures, the design thoughts, rule, method, technique way, the characteristics of the design are r4 dit algorithm, pingpong ram design method and pipeline structure between stages. we also analyze the limited word length effect and the method to avoid overflow of the fixed points fft process, bring out the expandable platform mode

    第四章主要討論了高速高性能的快速傅立葉換處理器的設計和實現,首先分析和比較了各種快速傅立葉換演算法的特性和規律,提出基4蝶算的演算法具有最好的性價比,討論了順序、級聯、并行和列的處理結構,闡述了設計高速高性能快速傅立葉換處理器時的設計原則、設計思路、所採用的技術路線,驗證並測試fft處理器,分析了定fft處理過程由於有限字長效所產生的量化誤差的范圍及防溢出控制辦法,提出了可擴展平臺模式。
  9. 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射影換矩的求解方法,將單純利用集對的計算模式擴展到利用直線集、線組合等多種類型來建立兩個射影平面的對關系;總結了平面上基於、直線元素可求解的多種3d不量;提出了雙視圖下由、直線元素的多種對關系求解2d射影換來構造「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不量。
  10. The major work is as follows : 1 ) based on dry hull modal analysis of flexure - torsion coupling vibration of unsymmetrical ship structures about longitudinal centerline, a transfer matrix method to calculate the dynamic characteristics is adopted after the parameters of structures are specified. taken both shear effect and warping deformations into account, the point and field transfer matrices are derived, and the influence on dynamic characteristics is computed according to different damaged positions and areas

    其主要內容如下: 1 )通過薄壁梁理論求得結構參數后,採用遷移矩法,在考慮剪切效、轉動慣量和翹曲影響下,推導出求解破損船體結構的動態特性公式系統的場遷移矩遷移矩,並著重分析了船體不同破損程度和翹曲形對船體振動的動態特性的影響。
  11. It is abstracted whole factor information from the corresponding rectangular matrix which is made from many - point data in all dam. with analyzed the interrelation of survey data, it is abstracted the same essentiality variables and is made decentralize complex survey data be simple and whole. therefor, it is revealed the interrelation each other and is analyzed dam survey data, and is served for dam safety monitoring and comprehensive evaluation

    從全壩多測的測值所形成的相中提取整體因素信息,分析各觀測量之間的相互關系,歸納出測量本質相同的量,使分散復雜的觀測數據成果簡潔化、整體化,從而揭示出事物間的本質聯系,進行大壩觀測資料的整體分析,為大壩的安全監測和綜合評價服務。
  12. This thesis deduces computational formulations of displacement sensitivity and stress sensitivity in structural shape optimization considering geometric nonlinear element. in the calculation of stress sensitivity, the modules required to cut the stiffness matrix of node coordinates few. in order to simplify calculation and make program conveniently, this thesis uses half - parser method

    在空間剛架結構的形狀優化設計中,關鍵的一項工作就是計算力靈敏度,在計算力對剛架結構形狀優化的設計量? ?結坐標的靈敏度時,需用到單元剛度矩對結坐標的導數。
  13. By using transfer matrix method and corresponding boundary conditions, the steady - state responses of the counter - rotating dual - rotor system were analyzed, and the changing characteristics of the disks ' orbits and the centroids ' locations were studied experimentally, proving the relevant conclusions from calculations

    針對這種結構,用傳遞矩法,結合邊界條件,分析了反向旋轉雙轉子結構穩態不平衡響化規律,研究了內、外轉子盤軸心軌跡和質心的化特,並進行了相的試驗研究,驗證了計算模擬的相關結論。
  14. Abstract : based on the conceptual two - flow model and pic numerical solution method developed in the companion paper, the present paper further investigate the model application in simulation of the typical debris flows. the model validation was carried out with the experimental data obtained by other investigators at dongchuan debris flow observation and research station in yunnan province. predictions were made in terms of the main controlling facetors including the channel slope, flow density and time interval between two blasts of debris flows. the predicted results could well reflect the observations reported by the geographers and sedimentologists

    文摘:採用文獻[ 1 ]中提出的性泥石流運動與堆積的歐拉-拉格朗日模型,模擬了性泥石流的運動過程和堆積形態,得出了與地學研究中觀測結果較為一致的認識.文中針對影響性泥石流的關鍵條件,重通過改密度,坡度和各泥石流的時間間隔等參數,分析了這些參數化對泥石流運動及堆積規律的影響,提出了簡化分析整個性泥石流的條件.研究表明,用經試驗資料驗證的數學模型不但可以方便、快捷地定量描述性泥石流的一般特性,而且能夠提供關于性泥石流運動及堆積的更多細節
  15. In accordance with the technological difficulties encountered in the process of insulation supervision based on the dissolved gases analysis ( dga ), several kinds of model and method are presented to improve the reliability and precision of fault diagnosis of the power transformer. main research content includes : by deeply studying the common transformer faults diagnosing methods, such as three - ratio methods and improved electrical committee agreements, several shortcomings such as uncertainness judgment when the fault reasons, phenomenon and principles come out together while can not consistent to each other etc. for this reason, the old methods can not fully meet the need to engineering practical application. considering fuzzy relationship matrix can fully represents the causality between fault symptoms and fault types, when diagnosing complex equipments with multiple symptoms and fault causes such as power transformer, a synthetic fuzzy diagnosing model is firstly proposed to diagnose transformer ' s insulation faults based on dga in this paper

    本文針對用油中溶解氣體分析方法進行壓器絕緣監督時所遇到的主要技術難,提出了提高壓器故障診斷的準確性、可靠性的幾種模診斷方法,主要研究內容有:通過對判斷壓器故障常用的三比值法和改良電協研法的深入分析,其診斷準確率較高,但對故障原因、故障現象和故障機理間同時存在不確定性和模糊性的壓器等電氣設備的故障診斷,難于滿足工程用的需要;在處理壓器等結構復雜設備的多癥狀、多原因故障診斷時,模糊關系矩可以全面反映這種癥狀與故障類型間的因果關系,進而提出了壓器故障診斷的模糊綜合診斷模型;同時作者還深入分析了模糊運算元的特性;針對常用的模糊評判結果的模糊集的集化方法的不足性,提出了將模糊綜合診斷與模糊規則推理結合起來進行故障診斷的方法,能達到較好的效果。
  16. In this thesis a new numerical method - the finite volume method is developed to achieve the static and dynamic large - deflection response analysis for suspension cables. the finite - volume division scheme is first established along the length of the cable and the deformation of each volume is defined using the common engineering strain concept. based on this strain definition the strain energy of the cable is determined

    首先建立了懸索沿索長方向的有限體積離散格式,在形后的構形上按工程方法求得了,並進一步得到了能和動能的計算式;再根據哈密頓原理導出了懸索大撓度振動的有限體積離散方程,推出了索的整體節力向量、質量矩和切線剛度矩
  17. Strain free lattice

  18. The dot model and polynomial mapping, wavelet transform and gauss curve fitting have been applied to stars image procession, and experiments have been performed on a simulating system platform and get satisfied results

    本文分別將模板及多項式映射、小波換、高斯曲面擬合等方法用於星圖底層處理,並進行半物理模擬實驗,取得了良好的實驗結果。
  19. Combined with the advantages of matrix converter, ac - excited generation technique and vector control scheme, the stator flux - oriented vector control model of the variable - speed constant - frequency ( vs cf ) ac - excited generator fed by a matrix converter was developed. simulation studies of the proposed power generation system were carried out

    本文還結合了矩換器、交流勵磁發電技術和矢量控制的優,建立了矩換器供電的速恆頻交流勵磁風力發電機定子磁場定向的矢量換控制系統模型,對矩換器在交流勵磁發電系統中用進行了模擬研究。
  20. These two method are based on the characters of lattice diagram ( which characters are resembled with black - and - white image ) raise the marking route pick - up algorithm, the algorithm can found mark points in the least time by ransacking the eight points nearby. by using these two methods can improve the marking effect and accelerate the marking speed dramatically. at last, the paper give the effective evaluating method for the two route optimum algorithm, the evaluating results show that the marking speed tan improve nearly one time, and meanwhile improve the marking quality

    最後,鑒于對漢字的轉化處理是在漢字打標的基礎上進行的,所以通過與打標相比(主要是在打標速度方面) ,提出了兩種打標路線優化演算法的效果評估方法,並對演算法效果進行試驗性測試,結果表明與打標方法相比,打標速度提高的最小比率為:筆劃跟蹤演算法48 ;筆劃提取演算法37 ;可見,兩種演算法的提出可以使打標速度得到提高,說明在不改打標系統本身,而從對漢字內容的處理上就可以達到改進打標性能的目的,所以本課題的研究的有實際的用價值。
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