geometrical accuracy 中文意思是什麼

geometrical accuracy 解釋
幾何精度
  • geometrical : adj. 1. 幾何學的,幾何圖形的。2. 按幾何級數增長的。adv. -rically
  • accuracy : n. 正確,準確(度);精確。 firing accuracy 命中率。 with accuracy 正確地。
  1. Two concepts of critical length of slope and maximum buckling place is defined here to evaluate its stability. applications of two practical projects demonstrate this method ' s accuracy and feasibility. at the same time, all the factors which maybe infect the slope ' s stability, such as the mechanical performance of joint and rock, physical and geometrical character of slope, are considered

    並以兩個實際工程實例驗證了本文方法的精確性及可行性;與此同時,本文對各影響因素如結構面的力學特性、巖體的力學特性及坡體的一些物理幾何特徵對該類邊坡穩定性的影響作了分析。
  2. The continuity condition of displacements at the interface of elements is enforced by penalty function, of which the penalty number has geometrical meaning and can be determined according to the accuracy desired

    單元之間位移場的連續性要求是用罰函數來實現的,其中的罰數具有明確的幾何意義,並可按對解的精度要求預先估計出大小。
  3. Simulation results on a laser processing robot show that this method can achieve the same calibration accuracy as that of the other traditional calibration approach such as geometrical parameter calibration

    對某激光加工機器人的模擬結果表明,該方法可以達到其它標定法如幾何參數標定法所能達到的標定精度。
  4. To solve the inaccuracy problem caused by the two existing methods ( average end - area method and prismoidal method ) used for the calculation of roadway earthwork volume, this paper puts forward a new concept of the 3 - dimensional algorithm that takes all the roadway geometric design procedures as a kind of geometrical operation between the ground model ( original terrain model ) and the roadway model ( designed model ) under certain constraints, and then presents a complete 3 - dimensional algorithm of roadway earthwork volume as well as its executable computer program. the algorithm benefits from the re - triangulation technique of constrained delaunay triangulation ( cdt ), which can yield a true volume value theoretically. through a number of practical tests covering varied intervals between adjacent cross sections, it is proven to possess a higher accuracy compared with that of traditional methods. all the work involved in this paper indicates that the 3 - dimensional calculation of roadway earthwork volume is feasible, more accurate and should have further application in practice

    針對目前廣泛使用的道路土方量計算方法平均斷面法和稜柱體法計算不準確的缺點,提出了三維土方量計算演算法的概念.該演算法以帶約束的狄羅尼三角化( cdt )為技術核心,認為所有道路幾何設計過程都是地面模型和道路(設計)模型進行幾何運算的結果.基於此,本文設計出相應的演算法步驟,同時完成了相應的軟體開發,使得該三維演算法能和傳統的方法進行對比.此外,結合工程實例,採用了不同的道路橫斷面間距對三維計算方法和傳統方法的誤差進行比較、分析.結果證明三維演算法具有更好的精度,該演算法可用於道路、場地平整等工程土方量計算
  5. It is required for the radome to be machined with high geometrical accuracy and to meet a very special demand in electrical performance. however, there have never been before available technologies and equipments for machining the radome precisely and satisfactorily, which has become an urgent problem to be solved in the key engineering r & d of the national defence

    由於天線罩屬三維復雜曲面硬脆材料的薄壁零件,結構復雜,加工精度要求高且非常特殊,目前尚無現成精密加工技術和工藝裝備可用,極大地制約了天線罩製造精度的提高,是我國先進型號導彈研製過程中亟待解決的問題。
  6. Time delay estimation ( tde ) by using three - element linear array is an important problem in torpedo trajectory tracking system which ttacks target according to strictly geometrical position. it is the basis of measurement of target distance, bearings etc. the error of tde influences directly the accuracy of trajectory tracking. the more efforts have been made in order to acquire high accuracy estimation

    三元直線陣的時延估計是魚雷彈道測量系統中的一個重要課題,它依照嚴格的幾何關系進行目標定位,是測量目標距離、方位等參數的主要依據,時延估計的精度直接影響彈道跟蹤系統的精度,為提高時延估計精度人們進行了大量的研究和探索。
  7. Box type vertical drilling machines - testing of the accuracy - part : geometrical tests

    方柱立式鉆床精度檢驗第1部分:幾何精度檢驗
  8. Incremental length diffraction coefficients ( ildc ) is adopted to calculate the contribution of edge diffraction. in order to improve the accuracy of calculation, multi - scattering is discussed, based on the two former contributions and ray - tracing method. geometrical optics ( go ) and physical optics ( po ) are used to calculate the multi - reflection between facets and facets

    對于鏡面反射採用物理光學法計算其散射貢獻,結合基於面元的目標模型的表示,採用離散的積分形式,將面電流積分化簡為線積分,簡化計算復雜度;對于邊緣繞射,運用增量長度繞射系數理論計算目標邊緣繞射場;在多次反射中,則以光線跟蹤方法為基礎,採用幾何光學、物理光學相結合的方法分析考慮多次散射場。
  9. During the finite element modeling of the bridge, the factors affecting the accuracy of the finite element model are discussed in detail, such as, the geometrical non - linearity of the cable including gravitational sag and initial tension, and the structural orthotropic steel box - girder deck to be equivalent to physical orthotropic deck by using compound material mechanics, and so on

    在建模過程中,盡可能多地考慮了一些影響全橋有限元模型精度的因素:如斜拉索的幾何非線性(重力垂度和初始應力) ,將構造正交各向異性鋼箱梁橋面板用復合材料力學的方法等效為物理正交各向異性板等。
  10. Charge coupled devices ( ccd ) is a photoelectric device with high performance, which is widely applied in many areas, including astronomical imaging, entertainment and manufacturing, etc. the geometrical measure with ccd has an advantage on achieving high accuracy, dynamic detection and non - contact measurement

    電荷耦合器件( ccd )是一種高性能的半導體光電器件,近年來在天文攝像、消費電子、工業檢測等領域里得到了廣泛的應用。將ccd技術應用於幾何量測量可以實現高精度、在線動態檢測和非接觸測量等要求。
  11. Test conditions for box type vertical drilling machines. testing of the accuracy. part 1 : geometrical tests

    箱型立式鉆床的試驗條件.精確度試驗.第1部分:幾何尺寸試驗
  12. By way of analysis about the typical gps receiver tracking loops, the mathematical models of code multipath error and carrier phase multipath error are proposed in the dissertation ; by way of analysis about geometrical model of multipah signal, the mathematical model of differential path delay is proposed in the dissertation ; based on the above analysis, a improved carrier phase multipath mitigation algorithm using closely - spaced multiple antennas array is proposed, the result of computer simulation proves that the algorithm is feasible. the attitude parameters are often estimated using direct computation method. the relationship between the accuracy of attitude parameters and baseline length as well

    本文從經典的gps接收機跟蹤環出發,分析了多徑效應對偽距觀測量、載波相位觀測量和snr的影響,提出了碼相位多徑誤差和載波相位多徑誤差的數學模型;通過對多徑效應的幾何模型分析,提出了多徑信號相對路徑延遲的數學模型;在此基礎之上,提出了一種改進的基於窄間距多天線陣列的載波相位多徑誤差抑制演算法,通過計算機模擬證明了該演算法的有效性。
分享友人