誤差疊加 的英文怎麼說

中文拼音 [chādiějiā]
誤差疊加 英文
series of tolerances
  • : 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...
  • 誤差 : error
  1. The multi - pass amplifier was being adopted proverbially, which could improve the output energy consumedly. but on the other hand the beam quality was degraded by the severe wave - front ' s aberration that exacerbated by multi - passing the beam through the amplifier

    多程放大系統因能夠較大提高系統的輸出能力,故得到較為廣泛的應用;但由於多程放大級各類波前的相干,使系統輸出激光的波前發生比較嚴重的畸變,導致光束質量的下降。
  2. 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、外圍電路簡單等優點;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化參數;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化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與速度成正比的電壓信號。
  3. According to the principle of linear pile - up of small displacement, the static and dynamic output kinematic errors are synthesized, and the reliability model of the kinematic accuracy of the mechanism is built

    應用微小位移的線性原理分別對靜態、動態進行了綜合,建立了機構輸出運動精度可靠性分析模型。
  4. The paper reconstructs frequency spectrum and reconstructing signal of a continuous signal based on matlab, presents the error of reconstructing signal, and makes an analysis of the influence from sampling period on the superposition of frequency spectrum and precision of sampling signal reconstruction

    摘要基於matlab再現了連續信號的采樣頻譜和重構的時域信號,給出了信號重構的,並分析了采樣周期對采樣頻譜和信號重構精度的影響。
  5. The wave - front aberration ' s cumulating of optics elements in multi - pass amplifying system was researched more deeply. considering the correlation between optics elements " wave - front aberrations caused by the similar fabrication technique, the correlation coefficient was adopted to revise calculation rule of superimposition which used in estimating system ' s static wave - front aberration and allocating optical machining precision. 3

    進一步研究了多程放大系統中光學元件波前規律,並考慮到釹玻璃片工工藝的相似性所導致的波前相關性,將相關系數耦合到波前誤差疊加公式中,使修正後的公式能更準確地預估系統靜態波前和分配光學元件工精度要求; 3
  6. We propose a combined slf method to extrapolate feeder load growth by using feeder ' s history peak value and the merits of gray theory and genetic programming ( gp ). at first, we adopt load transfer coupling method to correct load history and its error for load transfer. secondly, we get the real power - supply area by using layer overlap analysis, based on practical feeder path and distribution gis map layer

    將gis的空間信息分析功能應用於配網空間負荷預測的研究:綜合利用灰色理論及遺傳規劃( geneticprogramming , gp )的優點,提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法:首先採用負荷耦合回歸法來修正負荷歷史,消除由於負荷轉移引起的;然後根據實際饋線路徑和配網gis圖形分層,運用圖層分析得到饋線的實際供電范圍;接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析;最後採用gp來對灰色聚類結果進行符號回歸,分別得到每一類曲線的最佳擬合曲線形式。
  7. The adsorption energies of molecules ( water and nitrogen monoxide ) on tatb ( 001 ) surface after basis sets superposition error ( bsse ) have been presented for the first time. the changes of band structures and electronic structures of tatb before and after adsorptions were

    經基組( bsse )校正,求得1談jb的表面能以及hzo和no分子在1丫口, b ( 001 )面的吸附能;重點討論了吸附前後1丫汀b能帶和電子結構的變化。
  8. From theoretical analysis, we know the existing demodulation methods have limitations as following : one is that the subtraction of the two signals frequencies will display as the result of demodulation when we demodulate two time - domain adding signals without modulating information ( fault information ) ; the other one is that aliasing phenomenon will occur as a result of getting absolute value, detection or square in the process of generalized demodulation analysis, such phenomenon will result in some superfluous frequency composition on the frequency spectrum, which will puzzle the detec tion of mechanical vibration. if the sampling frequency is selected from a suitable range, the aliasing phenomenon will be avoided ; the last one is that aliasing frequencies will be produced in zoom demodulation analysis because this algorithm cannot employ digital low - pass filtering to avert the folding frequencies of higher harmonics in the process of zoom sub - sampling

    現有的解調分析方法存在以下三種局限性:將不包括調制信息(故障信息)的兩時域相信號,也以其頻率之作為解調信號而解出;廣義檢波濾波解調分析中,由於取絕對值、檢波或平方過程可能產生混頻效應,在解調譜中表現為無法分析的頻率成分,並由此推導出避免這種混頻現象的采樣頻率的選取范圍,從根本上避免此類診斷的產生;幾種細化解調分析新演算法中,因為無法在細化分析的選抽時進行數字低通濾波,有可能會出現調制頻率的高次諧波成分發生頻率混而反折到低頻部分的現象。
  9. The paper put forward a new method of machining different top and bottom shaped workpieces based on difference interpolation theory, the method calculated the displacement of prp and psp plane to equivalent accumulated displacements of uv and xy plane, which was of advantages for simplifying programming, reducing accumulative errors caused by traditional calculation method and increasing machining precision

    摘要提出了基於分插補理論的工上下異型面工件的新方法,把工件的下表面(參考平面, prp )和工件的上表面(第二平面, psp )上的插補運動位移換算為uv及xy兩平面上的位移,具有簡化編程、減小傳統計算方法產生的累積、提高工精度的明顯優點。
  10. The distribution gis data management methods and its application in distribution running are systematically researched, which compose distribution gis network topology analysis ( nta ) and optimal rush - maintain path ( orp ), and distribution planning, which composes distribution spatial load forecasting ( slf ) : ( 1 ) with systematic analysis on the relationship between spatial data model and spatial data structure, the distribution feature and the two common gis data models are analyzed, which are vector and raster data models. then the conceptual and logic data models of distribution gis are designed. the spatial data storage structure is given by using vector method, and their detailed data management methods are proposed

    ( 4 )將gis的空間信息分析功能應用於配網空間負荷預測( saptialloadforecasting , slf )的研究:綜合利用灰色理論及遺傳規劃的優點,提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法:首先採用負荷轉移耦合法來修正負荷歷史,消除由於負荷轉移引起的;然後根據實際饋線路徑和配網gis圖形分層,運用圖層分析得到饋線的實際供電范圍;接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析;最後採用遺傳規劃來對灰色聚類結果進行符號回歸,分別得到每一類曲線的最佳擬合曲線形式。
  11. This system characterized with good anti - multipath performance and low complexities when the channel matrix extending technique or overlap - adding technique and minimum mean square error equalization are employed

    當採用通道矩陣擴展技術或重技術,並採用最小均方均衡時,該系統有著良好的抗多徑性能和較低的計算復雜度。
  12. Based on the simplified principle, the modal shapes of selected structural modes are converted into modal strains. to minimize the calculation error, curve - fitting technique is used in the process. the modal strains are summed together to determine the global distribution of the structure for selected vibration modes so that the position of piezoelectric elements could be optimally determined according to the simplified optimization principle

    通過二階中心分運算將模態振型轉化為模態應變,採用應變曲線擬合方法降低離散,進而將各階待控模態應變進行,獲取系統整體特徵應變分佈情況;最後根據壓電元件位置優化的簡化目標函數,將壓電片的最優位置確定為柔性板模態應變的極值區域。
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