點陣平面 的英文怎麼說

中文拼音 [diǎnzhènpíngmiàn]
點陣平面 英文
lattice plane
  • : 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...
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. This article discussed ar modeling method, capon method, music method and mn method four kinds of high resolution algorithms principle and has separately made the computer simulation in the ideal situation to the above four algorithms. through the comparison, the beam width of high resolution algorithm is much narrower than conventional beamforming method. then unifies the actual utilization, discussed the influence of time delay unbalance, time domain sampling, plane wave supposition and array element with scope and phase not identically to the beamforming and made the computer simulation

    本文首先討論了ar模型法、 capon法、 music法和mn法四種高解析度演算法的原理,在理想的情況下分別對上述四種演算法作了計算機模擬,通過比較,高解析度演算法的束寬比常規波束形成法窄得多;然後結合實際運用時的情況,重探討了延時失配、時域抽樣、波假設和基的幅相不一致對波束形成的影響並做了計算機模擬。
  2. The technology of uncooled infrared focal plane arrays ( fpa ) is a new developing way for wide commercial applications and military applications, for it owns the advantages of light weight, no need of cryogen, low cost and so on

    由於非致冷紅外焦列系統具有重量輕、無需致冷、成本低等優,有廣泛的軍用和民用市場,因而這項技術是一個行之有效的發展新方向。
  3. First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array

    首先以單脈沖相控天線測角原理為基本理論出發,利用相位控制的坐標分離技術,基於線、圓形等簡單形式的相控天線,推導了、圓柱等相控天線由相位量化誤差引起的波束指向誤差公式。
  4. Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction

    內容包括類氫原子角度分布圖的繪制,分子軌道對稱性和反應機理的微機模擬,分子群和對稱元素顯示,分子振動運動的微機模擬,布拉維晶格和晶格轉化,抽取,立體抽取,等徑網球的密堆積和金屬單質結構,不等徑圓球密堆積和典型離子晶體結構, x射線多晶衍射的微機模擬十個子模塊。
  5. The research works finished in this paper are listed below : 1. solving the problem in testing of cylinder vessels that the sensors disposition is very rigorous, carrying out study of freewill triangle network orientation and linear orientation, bringing forward the discriminance which distinguish the validity of orientation array using character string method the first time, at the same time, solving the problems that judgement of orientation array, elimination of camouflage location, avoidance of repeat location, etc. 1 '. carry ing out the study of the orientation of defects in stand lank floor with the method of freewill planar triangle orientation, advancing bran - new discriminance on the validity of orientation arrays, orientation points, and the disposing means of the acoustic sources near sensors and those near common border

    本文進行的主要研究工作有: 1解決柱式容器檢測中傳感器排布要求較嚴格的問題,開展任意三角形網路排布檢測技術與線定位技術研究,首次提出了利用字元串格式判斷線定位列有效性的判別方法,並解決了任意三角形定位中存在的定位列判斷,偽定位的剔除,重復定位的避免等一系列問題; 2利用任意三角形定位方法開展常壓立式儲罐罐底缺陷定位技術研究,提出了全新的定位列有效性判斷、定位的有效性判斷方法;以及頂聲源和邊界聲源的處理辦法。
  6. This paper calculated the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action

    本文計算了串並聯多質系結構在豎向地震作用下的豎向剛度矩
  7. This project is focused on microbolometer fpa. this program includes the development design and simulation tools, material research, fabrication process development, and detector and readout circuitry design, fabrication and characterization. the work done in this paper is described as follows : the theory of microbolometer fpa is expounded

    課題的重放在非致冷微測輻射熱計焦列,這種非致冷紅外產品的設計研製工作包括:設計和模擬工具的研究、材料選擇和器件製作工藝的研究、探測器和讀出電路的設計研究、真空封裝和性能表徵的研究等。
  8. 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動力固結方程,運用積分變換和矩傳遞的方法,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,獲得了地基表作用簡諧振動荷載時,任意應力(包括孔壓) 、位移(包括流體流量)的一般積分形式解。
  9. 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、速度變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,經過應用與考核證明其中的分析與設計是切實可行的。
  10. In the " card - packing ", a znf16pc molecule takes an angle of 52 respect to the substrate. while in the " brick - stacking ", the molecules arrange in a square lattice with lattice constant as 14. 94a and 14. 28a under room temperature and 300 respectively. from room temperature to about 150, f - ptcdi molecules follow the vollmer - weber rule when grown on quartz substrate, as revealed by afm images

    在「 card - packing 」模式中,分子與石英襯底成52左右的二角;在「 brick - stacking 」模式中,較低溫度下,分子以四方行排列,常數為14 . 94 ;在300的襯底溫度下發生構象調整,常數減小為14 . 28 ,分子採取更高密度的堆積方式。
  11. 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射影變換矩的求解方法,將單純利用集對應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的對應關系;總結了上基於、直線元素可求解的多種3d不變量;提出了雙視圖下由、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。
  12. For a given muting plane, first of all, this algorithm generates the corresponding grid group by barriers and nets ' ports, establishes initialization pheromone matrix, then the algorithm will use the character of ant colony algorithm to find out the shortest muting path only if it exits

    對于給定的布線,該演算法首先由障礙圖形和各個線網的端生成一個包含最短路徑的訪問,建立初始信息素矩,然後利用蟻群演算法所特有的路徑尋優功能來找到當前布線路徑上的最短路徑。
  13. The polygon morphing was investigated, and a morphing method was proposed, in which the polygon is deformed by interpolating the rotation angles and rotation matrices of their corresponding edge vectors

    摘要研究多邊形的變形問題,提出了一種通過插值邊向量間旋轉角度及旋轉矩的變形方法,較好地克服了頂線性插值法引起的多邊形邊長變化不均勻的萎縮現象。
  14. Thirdly, based on the thought of motion - based ambiguity resolution, a bi - satellite attitude determination method using non - planar baselines is developed making full use of the satellites ’ geostationary property. focused on movement mode demands, the dissertation brings forward a method by large angle yawing movement accompanied with small angle pitch vibration to efficiently solve the rank deficiency problem of vehicle planar motion

    再次,在基於運動解模糊的思想基礎上,充分利用北斗衛星對地靜止的特性,提出了一種非共基線的雙星定姿方法,並重分析了對運動特性的要求,提出通過伴隨小幅俯仰擾動的大角度偏航運動方式來有效解決載體運動的觀測矩秩虧問題。
  15. The system supports txt, bmp file, etc. it can display 1616 to 7272 lattice song, di, cao, xing, kai, etc chinese word, english, number, symbol, etc. it can also display simple plane picture

    1系統支持txt bmp等文件,可顯示1616至7272的宋隸草行楷等漢字,及英文數字元號等,也可顯示簡單的圖畫。
  16. Seventeen plain groups, which were associated with 2d braided geometry of composites, were deduced from the combination of ten plain point groups and five plain dot lattices

    摘要由10個群與5個組合,推導出與二維編織復合材料幾何結構有密切關系的17個群。
  17. After the discussion of the plane measurement, we continue the discussion about the important method of the stereo measurement, such as : the method of resolving the fundamental matrix, the method of recovering the fundamental matrix from the camera matrix, the method of recovering the 3d point based on the trigonometry

    測量理論的基礎上,論文繼續討論了基於圖像的立體測量的重要方法? ?兩視圖立體重構。詳細研究了其中基本矩的演算法、由基本矩恢復攝像機矩的演算法、三角法恢復空間的演算法等,在這之後給出了真實試驗結果。
  18. 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

    串並聯多質系結構的總剛度矩中,採用靜力凝聚法,消去豎向力和豎向位移與其它廣義力和廣義位移之間的耦聯關系,得出框架結構在豎向地震作用下考慮水梁和節轉角影響的豎向剛度矩
  19. Cellular automata was applied to solve mechanical problem of plane truss, and the feasibility of which was discussed in this article. the characteristic of cell and the way of dividing cell were studied while presenting a program and its frame chart. the work load of the new method was not much because it neednt form a partial differential set or a general finite element robustness matrix. numerical computing results show that the new method has a rapid speed of convergence to nodal displacement and internal force of element, so it probably has a good prospect in solving solid mechanical problems

    嘗試用細胞自動機作桁架力學分析,探討了該方法的可行性.給出元胞的劃分方法和特性,列出計算框圖並編制了相應的程序,由於不必形成結構的偏微方程集或有限元的總體剛度矩,計算工作量小.算例表明,該方法對結位移和桿內力的收斂速度均較快,是一種分析固體力學問題有前景的新方法
  20. Based on a thorough and deep question of the generating mechanism and characteristic of the nonuniformity of irfpa, this paper investigates and studies the kinds of existing nonuniformity correction algorithms, makes a comparison among these algorithms on advantage and disadvantage

    本文在深入探討了紅外焦列非均勻性產生機理及其特性的基礎上,深入研究和分析了目前已有的兩類非均勻性校正演算法,綜合比較了多種校正演算法的優缺
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