誤差限 的英文怎麼說

中文拼音 [wùchāxiàn]
誤差限 英文
errror limit
  • 誤 : 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 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 誤差 : error
  1. The method is given to solve the problem in adaptive demodulation that adjudgement will worsen when the snr is low. by using the error signals to reduce the demodulated signals, the bit error rate will be improved

    模擬中，針對dpsk信號的自適應解調中小信噪比下門限失效的問題，提出了利用誤差改進門限判決的方法，將誤碼性能提高了1 2db 。
  2. Error estimates of characteristic finite element method for nonlinear advection - diffusion equation

    非線性對流擴散方程特徵有限元法的誤差估計
  3. Its biquadratic finite element approximation is considered and under the appropriately graded meshes, quasi - optimal order error estimates in the - weighted h ^ 1 - norm, up to a logarithmic factor in the singular perturbation parameter, are proved

    然後，考慮此方程在分層網格剖分上的雙二次有限元逼近，在-加權h ^ 1 -模意義下得到了至多相差一個關于攝動參數對數因子的擬最優階收斂的誤差估計。
  4. The gravity analysis is carried out especially for the synthetic fused silica and calcium fluoride used in 193nm lithographic objective as well as the optical elements with structural sizes of ( 200mm ~ ( 300mm. large numbers of analysis data for surface shape error are obtained by using algor finite element analysis software. then these data are plotted into curves and comparison analysis will be carried out, finally the measures and schemes for reducing gravity deformation are proposed

    因此，本論文重點對大口徑光學系統在高精度光學鏡頭裝校中，因重力變形進行了詳細的分析研究，特別針對193nm光刻物鏡系統所使用的材料sytheticfusedsilica和caleiumfluoride以及用到的結構尺寸200mm ~ 300mm光學零件進行了重力變形分析，使用algor有限元分析軟體獲得了大量的面形誤差分析數據，然後將這些數據繪成曲線進行對比分析，最後提出了減小重力變形的措施與方案，並進行了實驗，驗證了分析結果是正確的，減小重力變形的方法是有效的。
  5. The existed research shows that the checkerboard phenomenon is caused by the analytical error of finite element

    已有的研究表明，棋盤格現象是有限元分析誤差所致。
  6. The results reveal that calculation errors can be reduced with the linear expending nodes, which can be found out by anti - inference method, decided on the limiting equilibration surface based on the advance losm method

    結果顯示，用改進一次二階矩法將線性展開點（可用反演算法求得）選在極限平衡狀態面上，可減小計算誤差。
  7. Finite element method ( fem ) is an approximate solution in engineering, there exists some error in the analysis result, so it is important to check the result and to geta right view of the result in the analyzing process, then this can lead the right analysis in the next step

    摘要有限元法是一種工程近似求解的方法，存在誤差，所以在用有限元軟體進行工程分析計算時，很重要的一點是分析過程中必須審視分析的結果，對結果有正確的認識，從而指導工程分析的正確進行。
  8. Our test with mock samples shows furthermore that one can discriminate among such models already with currently available observational samples ( if the measurement error of the redshift is negligible ) which have a typical error of 80kms - 1. the error will be reduced by a factor of 2 if the samples are increased four times. we also show that an errroneous assumption about the geometry of the universe and different infall models only slightly change the results

    結果表明： （ 1 ）若用現有的觀測樣本（特徵誤差為80kms ~ （ - 1 ） ）我們已經可以限制星系形成模型，而如果樣本容量增長到4倍，誤差將減半； （ 2 ）錯誤地假設宇宙幾何和星系平均內落對結果只有微弱的影響。
  9. A experienced equation which is summarized by many experiments is used to determine the number of mesosphere nerve cell and a sort of new square - sum function of errors is adopted. its characteristic is that weight errors of possible exceptional point is less. accordingly, the effect of errors of possible exceptional point is reduced, which make actual function relation simulation easier

    本系統針對bp演算法的局限性，給出了一種優化的bp演算法，採用經過大量實驗總結出的經驗公式來確定隱層神經元的個數，並選取了一種新的誤差平方和函數，該函數的特點是對一些可能的異常點的誤差權值設計的較小，從而降低了異常值誤差帶來的影響，便於模擬出真實的函數關系。
  10. In addition, many other problems also exist in hardware neural network, including error problem, learning mode, parallel architecture, and also neural network inner linking problem, hidden layer and the realization of the multiplicator and etc. for instance, error problem : hardware neural network employs the limited precision, and will inevitably bring limited precision error

    另外，硬體實現神經網路還存在誤差問題，學習方式，并行結構等方面的問題，還有神經網路內部的連接問題，隱層及乘法器的實現等等。如誤差問題，硬體實現神經網路使用的是有限精度，不可避免的會產生有限精度誤差，選取合適的精度，才能既適合空間的要求，又避免對網路的實現產生一定的影響。
  11. Limit of intrinsic error

    基本誤差限
  12. The relationship between wave - front aberration and focal spot size was researched roundly, and the essential connection between focal spot energy shape and wave front gradient distribution was discovered, and a smarter parameter to evaluate wave front aberration was founded. based on this, the wave front aberration tolerance confined by focal spot size requirement was obtained through calculation and statistics method. 2

    比較全面地分析了系統內部波前誤差與光束焦斑尺寸之間的關系，找到了波前梯度分佈與焦斑能量分佈之間的本質聯系，提出了一個與焦斑尺寸關系最密切的波前誤差參數，並採用數值模擬和統計的方法得到了焦斑尺寸限制條件所要求的波前誤差限制條件； 2
  13. Fresh inlet temperature range which satisfies given error limits is achieved, and the effect of instrumentation precision on accuracy of test results is analyzed by calculating and analyzing uncertainties of sensible effectiveness tests

    通過對顯熱效率測試的不確定度的計算與分析，得出了滿足給定誤差限的新風進口溫度范圍，並分析了儀表精度對測試結果準確度的影響。
  14. In chapter one, we propose a new mixed method called characteristics mixed finite element method for a convection - dominated diffusion problems with small parameter e : we handle the convection part whth backward difference scheme along the characteristics, obtain much smaller time - trunction errors and avoid numerical dispersion on the front of the peak curve of the flow : we use a lowest order mixed finite element method to deal with the diffusion part, so this scheme can approximate the unknow function and its following vector with high accuracy at the same time

    第一章中我們對小參數對流占優擴散問題提出了新的數值方法? ?特徵混合有限元方法，即對方程的對流部分採用沿特徵線的後退差分格式求解，以保證較小的截斷誤差限並避免了在流動的鋒線前沿數值彌散現象的出現；對流動的擴散部分採用最低次混合元方法求解，以保證格式對未知函數及伴隨向量的同時高精度逼近。由於該方法中檢驗函數可取分片常數，此格式在某種意義上具有局部守恆性質。
  15. In nine - points controller control system, it utilizes k _ ( 0 ) control force achieving the static error requirement. the condition of ko = 0 could fit the second order in most control environments

    對于模型不明確的系統，我們可以同意設置k0 = 0 ，利用此時的k _ 3控製作用，把穩態誤差限制在誤差零帶的范圍內。
  16. Results show that different measuring methods, owing to the difference of accuracy calculating formula, result in different error tolerance

    結果表明，不同的面積測算方法，其面積精度計算公式不同，同等級誤差限差值也不同。
  17. Drawing out the standard of quality control means to combine the sampling and analysis procedures together and draws out the justified limit of the allowed variance

    其中質量控制標準的制定，是把采樣和分析測試過程綜合進行?慮，制定合理的允許誤差限度。
  18. This paper proposes a new algorithm adopting the multi - trajectory dynamic tunneling technique and the error - limitation dynamic changing technique to train the bp neural networks. the simulation results are provided for three different examples to demonstrate the performance of the proposed method in overcoming the problems of initialization and searching efficiency. the performance of the conventional dynamic tunneling technique and the multi - trajectory dynamic tunneling technique in training bp neural networks are also given and compared in this paper

    並將該演算法在xor 、某醫藥公司物流數據和kddcup三個數據集上進行了測試，對傳統動態隧道技術訓練bp網路演算法（ dttbp ） 、單純使用多軌道思想的動態隧道技術訓練bp網路演算法（ smdttbp ）和本文提出的使用多軌道動態隧道思想結合動態修改誤差限方法的多軌道動態隧道訓練bp網路演算法（ mdttbp ）的實驗結果進行了對比分析，證明提出的演算法可以有效地避免陷入局部極小，同時也提高了傳統動態隧道技術訓練bp網路演算法的搜索效率。
  19. Based on the conventional dynamical tunneling technique, the multi - trajectory dynamic tunneling algorithm has recently been proposed. this algorithm improves search efficiency of the conventional dynamic tunneling system by increasing the trajectories and introducing the interaction between each trajectory of the tunneling system

    本文將這種多軌道動態隧道思想引入到bp網路的訓練中，同時，採用動態修改誤差限的方法，提出了一種多軌道動態隧道技術訓練bp網路演算法（ mdttbp ） 。
  20. Thereinto, this paper analyzes and deduces the interpolating windowed fft algorithm in detail, then systematically analyzes the error features and bounds of the algorithm by computer simulation. at the same time, we can obtain some important conclusions of the harmonic analysis applications

    其中，對加窗插值的快速傅立葉演算法進行了較為深入的分析與推導，採用計算機模擬全面、系統地分析了該演算法的誤差變化規律以及誤差限，並在此基礎上得出了諧波分析應用中的若干重要結論。
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