簡化誤差 的英文怎麼說

中文拼音 [jiǎnhuàchā]
簡化誤差 英文
simplification error
  • : Ⅰ形容詞(簡單) simple; simplified; brief Ⅱ動詞1 (使簡單; 簡化) simplify 2 [書面語] (選擇人才...
  • : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 簡化 : simplify; facilitate; idealization; dilution; simplification; reducing; simplifying; [自動化] red...
  • 誤差 : error
  1. The methods of direct measurement with low precision such as frequency and time interval methods and the methods of indirect measurement with high precision such as beat frequency method, dual mixer time difference method and frequency difference multiplying method are supported on the platform. the fundamentals of each method are studied. the quantization error is analysed and the illustration is given for each method

    該平臺支持直接頻率和時法兩種較低精度的測量方法以及雙混頻時法、拍頻率法和頻倍增法高精度的接測量方法,本文研究了各種測量方法的原理,對各種測量方法的量作了分析,並給出具體的實例。
  2. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained , and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    導出了曲率半徑與逼近之間的關系和等條件下的參數遞推公式,建立了通過逼近圓弧圓心的直線方程和圓心坐標計算公式.按這種方法用圓弧逼近平面參數曲線,不需要求解非線性方程組,避免了計算可能不收斂的麻煩,了非圓曲線的節點計算過程
  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

    首先以單脈沖相控陣天線測角原理為基本理論出發點,利用相位控制的坐標分離技術,基於線陣、圓形陣等單形式的相控陣天線,推導了平面陣、圓柱面陣等相控陣天線由相位量引起的波束指向公式。
  4. ( 5 ) it was more precise for using darcy - weisbach formula to calculate the hydraulic pressure slope curve in the lateral line, but too complexity. although i - pm wu formula is simple, the estimated results were not agreement with the measured data. a coefficient including irrigation uniformity was presented to modify i - pal wu formula, and the results were agreement after using the coefficient

    ( 4 )利用達西?韋斯巴赫公式計算微孔毛管的沿程水頭損失具有較高的精度,但計算復雜,吳義伯公式計算雖較單,但在灌水均勻度較較大,為此對吳義伯公式進行了修正,提出了修正系數的計算經驗公式,取得了良好的結果,為易地下滴灌工程設計中水力計算建立了公式。
  5. The vector analysis method for strapdown north finding systems is introduced by which system error analysis is simplified

    提出捷聯尋北系統中的矢量分析方法,了系統的綜合分析。
  6. The author has finished the following several jobs in core of the centre : 1 ) the active compensation method based on bang - bang control was put forward to realize the wide range current transformer. the method converts the complex statement space to i / o description by the two - stage current transformer. with the compensation method, the accuracy of 0. 2 grade current transformer can be improved to less than the 0. 1 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating

    圍繞這一工作核心,作者完成了以下幾項工作: ( 1 )以實現寬量程電流互感器為目標,提出了基於bang - bang控制的有源補償方法,採用雙級電流互感器,將復雜的狀態控制分量轉為偏控制,該方法結構單,調試方便,有源補償器輸出電流小,可以將0 . 2級的電流互感器經過補償后提高到一次電流從額定值的2變到120時,測量不超過一次電流額定值100時準確度為0 . 1級的測量標準。
  7. On the contrary, in - parallel actuated micromanipulators have the advantages of more rigidity and accuracy, higher load capacity, and simple inverse kinematics, therefore they can be used to replace conventional serial ones to meet the rising need for higher precision, they are widely used in automation, communication, mechanics engineering, medicine field and so on

    而並聯機構具有運動鏈封閉、剛性好、無關節累積、運動精度高,且運動學逆解求解單等優點,因此非常適合於用作微操作執行器機構,廣泛應用於自動技術、機械製造工程、醫療技術等領域,具有廣闊的發展前景。
  8. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性小、外圍電路單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用動測量技術得到由振動引起的微小電容變量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。
  9. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻,對研配液壓機的工作原理及設計結構進行了介;對位置同步的控制方法進行了比較分析,提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控制系統的總體數學模型,從理論上對同步系統動態特性進行了分析,並用pid控制器進行參數整定,減小雙缸同步、提高系統的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視的模擬結果,從而利於交互方式下調整參數,了解不同的參數對系統的影響,優同步系統的動態性能;在深入了解系統的動作特性后,對plc控制研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  10. The function of the software use pc - computer to dispose the output signal which is produced by the device as following steps : ( 1 ) to input data by parallel interface ( 2 ) to record and form a file ( 3 ) to demonstrate results step by step ( 4 ) the results could be compiled ( 5 ) it can synthesis in the permitted error scope, substituted original dot for line or arc, finally we could get a graph that is described by some simply curve. ( 6 ) to convert these graph into a program, which used in the cutting process of numerical control. ( 7 ) the software also includes some protective methods

    而系統處理軟體的作用是:利用pc兼容機,將上述裝置的輸出信號( 1 )通過并行口輸入( 2 )記錄成文件( 3 )逐點顯示出來( 4 )可人工進行,編輯(刪、改點)等( 5 )可在給定范圍內進行人工擬合,用直線和圓弧取代原來的點,得到一個與原圖形的在規定范圍內,又消除跟蹤過程中因受到各種干擾而造成的缺陷,由盡可能少而捷的數學曲線描述的圖形( 6 )把這些圖形轉成用於編制數控線切割加工程序及autocad能夠識別的文件(主要指dxf格式) ( 7 )該軟體還有一定的加密措施。
  11. 4. a novel three spring - mass structure is designed to close off the cross - axis coupling, the simplified dynamics model of which is worked out

    4 .針對機械耦合,提出了一種隔離耦合的三質量塊結構,建立了該結構的動力學模型。
  12. During the course of the research, the criterions of the interpolation effect are mean error ( me ), mean absolute error ( mae ), root mean squared interpolation error ( rmse ) and the difference of mean square deviation between the measured and the estimated surface air temperature. the conclusions are as follows : ( 1 ) by contrasting the gaussian weighted model associated with the error modification with the gaussian weighted model, the error modification is proved to considerably ameliorate the precision of spatial interpolation ; ( 2 ) on the base of the gaussian weighted model, taking altitudinal effect into account can reflect the trend in which temperature changes according to the topographic altitude and may ameliorate the precision of spatial interpolation correspondingly and apparently, which indicates that topographical effect on the preciseness of spatial interpolation can not be disregarded in terms of the region with complicated topography ; ( 3 ) the map of daily surface air temperature distribution, using the modified gaussian weighted model a and b, can accurately reflect the temperature - changing - with - topographical - altitude trend. among them, the better is the model a, whose me is below 0. 03 ?

    在此過程中,採用平均( me ) ,平均絕對( mae ) ,插值平均平方的平方根( rootmeansquaredinterpolationerror ,稱rmsie ) ,插值前後測站要素值的均方( meansquaredeviation ,稱msd )值作為判定插值效果的標準,得出如下結論:通過高斯權重法與結合逐步訂正的高斯權重法的對比,說明結合逐步訂正方案的高斯權重法可大大提高地面日氣溫的插值精度;在高斯權重法中加入海拔影響項可以反映出溫度隨地形高度的變趨勢,同時也能較大地提高地面日氣溫的空間插值精度,說明在地形復雜的區域,地形影響在插值精度中是不可忽略的;對于高斯權重法的兩種改進方案得到的地面日氣溫分布圖都能很好地反映出表面大氣氣溫隨地形高度的變趨勢。
  13. Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes

    本文所做的主要工作包括以下幾個內容:一、選取了常見的熱膨脹系數大的材料製作封裝元件,經過多次一80到80反復測試,封裝元件沒有出現老開裂、封裝裂紋、空洞、離層等缺陷,封裝材料具有良好的溫敏穩定性及復用性,與光纖相容性較好;二、對光纖光柵進行單、實用的封裝處理,就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產生的波長損失等方面進行了一系列的實驗,得出了初步的結論;三、對溫敏和溫度補償式封裝的實驗數據進行了詳細的分析和對比,從數字上對溫變過程中光纖光柵中心波長的改變及溫變曲線進行了定量的分析,在大量實驗數據分析結果的基礎上,總結出哪種材料封裝效果更好,以及如何有效的減小實驗
  14. Performance for a piezoresistive transducer pressure sensor to thermal and pressure environments can be predicted by finite element method. a simplified 1 / 8 model, considering silicon dioxide and nitride process as well as stack anodic bonding and adhesive bonding processes, was developed. the fem results were found to be comparable to experimental data. case studies suggested that pyrex stack induces certain amount of non - linearity, while it isolates hard epoxy nonlinear effect. flexible epoxy bonding or soft adhesive bonding is preferred to the packaging process. the viscoelasticity and viscoplasticity of bonding material will result in hysteresis and drift errors to sensor output. however, soft adhesive s influence on sensor can be ignored under relative stable environments. more over, detailed design and process information will help to improve modeling application

    熱、壓環境下壓阻變換壓力傳感器的性能可以通過有限元方法預測.這里研究了的1 / 8模型,模型考慮了二氧硅和氮硅生成過程及堆陽極鍵合和膠粘結合過程.結果發現有限元預測結果和實驗數據具有可比性.範例研究表明,硼硅堆導致產生一定的非線性,但它隔離了硬環氧樹脂的非線性.在包裝過程中最好使用柔性環氧黏合或軟黏膠性結合.黏合材料的黏彈性和黏塑性將會導致傳感器輸出的滯后和漂移.然而,在相對穩定的環境下,軟黏合劑對傳感器的影響可以忽略.此外,詳細的設計和過程信息有助於提高模型的適用性
  15. Stewart platform error model has been built up based on the simplified error source model

    針對簡化誤差源模型(含42個量) ,本文建立了stewart平臺模型。
  16. The structure of the valve is superior to the conventional valve and the continuously tracing method solves the problem that arises as a result of the constradiction between the stepping error and response speed of the digital valve

    該閥的結構較傳統的閥更加單、可靠,且採用連續跟蹤控制方法消除了傳統的步進式數字閥所固有的量與響應速度之間的矛盾。
  17. After analyzed and studied on some algorithms about how to simplify a complex 3d geometric model from home and abroad, this paper proposes the concept of divisional envelope pitch and ameliorates the method of envelope ' s conformation proposed by cohen using the dichotomy in linear search. when a triangle is selected and contracted tentatively, two corresponding divisional envelope pitches should be constructed at first. the divisional envelope pitch is a bit of the whole simplification envelope

    本文對當前國內外有關幾何模型的演算法進行了分析和研究后,將三角形收縮操作與包絡控制簡化誤差的方法相結合,利用一維線性搜索中的二分法改進了cohen提出的包絡構造演算法;隨后又綜合包絡的控制方法和二次矩陣的局部性控制思想,提出了一種分解式包絡片的概念。
  18. The multiresolution models for terrain texture data and geometry data are matched with each other : to achieve the goal of real time visualization, our framework selects geometry and texture patches based on the screen - space error criteria conforming to the current viewpoint

    無論是幾何模型還是地形紋理均進行了多解析度組織,並且根據它們在屏幕空間的簡化誤差實時選取兩者恰當的解析度。
  19. The quasi - static method based on limit equilibrium method is too simplified so that there will be too many errors. the methods to solve slope stability and slope stability with soil nailing structure are summarized in the paper

    對于地震作用下的邊坡整體穩定及安全系數計算研究文獻還比較少,基於極限平衡的擬靜力法計算過于較大。
  20. So, with the help of the divisional envelope pitch, lots of unnecessary detection of triangles intersection wo n ' t be carried out. and it speed the process of model simplification

    與cohen的演算法相比,採用分解式包絡片來控制模型簡化誤差后,可以節省很多不必要的三角形相交判斷,大大加快了包絡構造和模型的速度。
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