曲率改正 的英文怎麼說

中文拼音 [gǎizhēng]
曲率改正 英文
curvature correction
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ動詞1 (改變) change; transform 2 (修改) revise; alter; modify 3 (改正) rectify; correct 4 ...
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • 改正 : correct; amend; put right改正液 correction fluid
  1. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓線密碼體制的優點及研究現狀;其次研究了橢圓線密碼體制的基本理論;第三,分析了橢圓線密碼的安全性並介紹了密鑰共享,加密,數字簽名等橢圓線密碼體制;第四,深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優規基表示下的乘法運算和乘法逆運算的快速演算法,並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了進,而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優規基表示下的乘法和乘法逆運算的性能,還對這兩種基表示下的f _ 2m域中元素運算效的優劣作了比較和研究,所得的結論可供在實現橢圓線密碼體制時參考;第五,研究了目前流行的計算橢圓線標量乘法的快速演算法,同時進了固定基點梳形法,提高了整個系統的速度,並在實驗的基礎上分析研究了流行演算法的優劣;第六,實現了基於f _ 2m的橢圓線密碼體制的演算法庫,在我們的演算法庫中只需稍微變便能實現基於任意尺寸的f _ 2m上的ecdh , eces , ecdsa等橢圓線密碼體制;第七,實現了兩條安全橢圓線上的橢圓線密碼體制,包括ecdh , eces , ecdsa 。
  2. The electrolog data was effectively corrected with the effective process, which improved the validity of electrolog to the identification of the low - resistivity reservoirs and was helpful to enhance the veracity of evaluation of the conventional reservoirs

    有效的電測井資料預處理,不僅善了低電阻油氣層的電測井資料的有效性,實現對電測井線有效校,同時對進一步提高常規油氣層的測井評價的準確性具有重要的作用。
  3. Correction for meridian curvature correction

    子午線曲率改正
  4. The general forms of the transformed new equation and the coefficients are also given. numerical simulations show that it can be efficiently used in solving the helmholtz equation

    數值模擬表明,適當地選取某些非線性局部交變換來求解在底區域中的helmholtz方程,確實可以善數值求解的效
  5. Secondly, two carbon fiber reinforced composite beams were fabricated, and their modal frequencies were measured by an experiment method. thirdly, delaminations were modeled by pairs of nodes with the same coordinates but different node numbers, while the modal frequencies of these beams with different delamination location and size were computed by an eas piezoelectric solid element. moreover, a novel method combining computational mechanics and neural network was demonstrated for composite health monitoring ; the first five flexure modal frequencies obtained by fem were modified by a primary revising approach and were used to train the neural network

    本文較全面地評述了神經網路的應用模型、進演算法等,編制了bp神經網路程序:制備了纖維增強復合材料試件,並進行實驗模態分析;利用坐標相同、節點號不同的方法模擬脫層損傷,基於eas列式的壓電固體單元計算了不同脫層損傷情況下的頻信息;針對基於實驗數據訓練神經網路存在樣本不足的缺陷,本文提出了利用有限元方法對含有脫層損傷的復合材料試件進行數值模擬,以前五階彎模態頻構建訓練樣本的新思路,並提出了一種初步的計算值修方法,以此構建神經網路的訓練樣本:將實驗模態分析的結果送入訓練好的神經網路進行預測,實現了對復合材料梁的脫層損傷的定位和損傷程度的評估。
  6. Abstract : based on the hypotheses of three - piece straightening curve. it isverified that the method for using little deformation condition was true with accurate solution of three - piece straightening curve. the mechanics behavior of slab was analyzed in regard to the creep properties of high temperature slab. the results show that the strain, the strain velocity and the stress varied so smoothly that the inner crack was prevented. technical renovation is carried on by adjusting the displacement of rolls and by using the accurate solution of three - piece straightening curve

    文摘:基於三段矯直線應變速的假設,通過計算三段矯直線的精確解,驗證了使用小變形條件的確性;考慮高溫鑄坯蠕變性能,對鑄坯的力學行為進行了分析,得出了使用三段矯直線方法,鑄坯應變速、應力及應變在矯直區內變化較為平緩,可有效避免鑄坯內裂紋的形成;使用本文三段矯直線精確解,調整輥列位置,可進行連鑄機的在線技術造。
  7. This paper focuses on the research of fuzzy control, especially rule self - adjusting fuzzy control method. by theoretic analysis and simulations, the influences of parameters and system performance characteristic of some kinds of rule on - line self - regulating fuzzy control methods are discussed, and a novel real - time self - adjusting fuzzy control method ( vsrsafc ) is proposed from the diagrammatic point of view. in vsrsafc, the slope of the rectifying curve of rule scaling factor a is altered by the fine - tuning and coarse tuning combined mechanism to adjust the fuzzy control rules according to error e and error change ec, which more coincides with characteristic of system response than the conventional self - adjusting method that adjusts rule scaling factor only according to the error e, and has better static and dynamic performances than the latter

    其中變斜規則自調整模糊控制的效果較為明顯,它是基於插值的非線性規則自調整模糊控制的引申以及常規全論域規則自調整模糊控制的進,該方法採用粗、細調結合機制,通過變規則調整因子的修線斜,使系統同時根據誤差e以及誤差變化ec在線調整模糊控制規則,比傳統的僅基於系統誤差e的自調整方法更符合系統響應特性,可獲得更好的動靜態控制性能,特別是對于系統參數發生變、控制參數選取不當等不良狀況,控制器仍能較快自調整,具有較強的在線自適應能力。
  8. Respectively proceeding with bromine complexing agent of anode, modified membrane and electrolytic additive of cathode, mainly referring to specific power of battery, ratio of self - discharge and zinc dendrite, this paper has studied the influences of different anode additive and modified membrane on specific energy of battery by means of charge and discharge curves, and the influences of electrolytic additive ( nh4 +, op - 10, tx - 10 and dodecyl trimethyl ammonium bromide ) on zinc dendrite by means of current - time curve and microscopic morphology observation

    本文分別從極溴絡合劑、隔膜性和負極的電解液添加劑入手,以電池的比能量、自放電以及鋅枝晶生長情況為主要的性能指標,用電池充放電線等方法研究不同極添加劑和隔膜性對電池比能量的影響;用電流-時間線以及微觀形貌觀察等方法研究電解液添加劑( nh _ 4 ~ + 、 op - 10 、 tx - 10以及十二烷基三甲基溴化銨)對鋅枝晶生長的影響。
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