曲線形的 的英文怎麼說
中文拼音 [qūxiànxíngde]
曲線形的
英文
archy- 曲 : 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...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 的 : 4次方是 The fourth power of 2 is direction
- 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
-
For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field
因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。The sensitometer results show that no loss of relative speed occurs when using the curve-shape control addenda of this process.
測定結果表明,當採用本方法的添加劑控制曲線形狀時,相對速度不受損失。To demonstrate the stability of the magenta layer when the curve shape stabilizing addendum is added, tests on incubation are compared to fresh coatings.
為了證明品層的穩定性,加一種對曲線形狀有穩定作用的化合物使老化實驗與新鮮塗層進行比較。Also, they were favor for further explanations and canalization. the results of solar heating rate and infrared cooling rate and the model output were displayed as data forms and curves in the paper
文中將加熱率和冷卻率的計算結果以及與之相關的模式計算結果(可見光波段的大氣輻射收支和紅外波段的大氣輻射收支)以數據表和曲線圖的形式列出。The funnel-shaped self-potential curve of the eocene sands is well marked.
始新統砂層的漏斗形自然電位曲線形態很明顯。It is found that with fixed laser power and increasing exposal time, the increasing of the depth of exposal grows slower, the exponential increasement can be express by the equation :, the depth of exposal becomes satured with increasing exposal time ; with fixed exposal time and increasing laser power, the depth of exposal increases linearly and can be express by the equation : y = 40
結果表明,當固定曝光功率,不斷增加曝光時間時,曝光深度的增加趨于緩慢,程指數曲線形式變化,可表示為,當曝光時間不斷增加時,曝光深度的增加趨近於飽和;當固定曝光時間,不斷增加曝光功率時,曝光深度程線性趨勢增加,可表示為y = 40 . 5x0 . 151y = 0Some effective measures were presented to solve bigger prestress loss of mid span in overlong frame and it is suggested that prestressed reinforcement with curve linetype should be adopted in slabs if possible
在次梁與板中為有效利用無粘結預應力筋,建議在板厚許可的情況下盡量採用曲線形預應力筋。And they show that chinese upper crust has a stable ree composition, and those different grain - size sediment samples which are from different site, and deposited in different periods do not establish any remarkable difference
它們的配分曲線高度相似,表明了組成上的一致。在與黃土等物質進行對比時,發現它們除了含量上有差異外,在配分曲線形態上是一致的。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曲線密碼體制的優點及研究現狀;其次研究了橢圓曲線密碼體制的基本理論;第三,分析了橢圓曲線密碼的安全性並介紹了密鑰共享,加密,數字簽名等橢圓曲線密碼體制;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正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改進,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正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域中元素運算效率的優劣作了比較和研究,所得的結論可供在實現橢圓曲線密碼體制時參考;第五,研究了目前流行的計算橢圓曲線標量乘法的快速演算法,同時改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的橢圓曲線密碼體制的演算法庫,在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh , eces , ecdsa等橢圓曲線密碼體制;第七,實現了兩條安全橢圓曲線上的橢圓曲線密碼體制,包括ecdh , eces , ecdsa 。Using digital logging data of logging curves to resume lithology section, based on single well sedimentary facies analysis of cored well, typical sedimentary microfacies and the corresponding electrofacies models are established. each after extracting the essential factors of logging curves, each logging microfacies recognize model are set up to automatically identify sedimentary microfacies by the method of bayes identification and neural networks technical
利用測井曲線的數字化資料,進行巖性剖面恢復,通過取芯井建立沉積微相模式及測井相模式,提取測井曲線形態要素參數,用bayes判別法進行沉積微相自動識別程序。Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled
( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長曲線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。In plan, they may be amoeba-shaped.
在平面中,他們可能呈不規則的曲線形。The overhaul of power units are arranged in terms of peaking capacity balance and the power loads are dispatched based on the principle of equal incremental coal consumption rate in the new method, which is anticipated to solve the economic operation of the power system
實際上,抽水蓄能電站的容量效益與電網的負荷水平、負荷曲線形狀和常規水電的比重有關,而節煤效益除與負荷水平、負荷曲線形狀有關外,還與電網的電源結構、火電機組的動力特性有關。Hence designers can adjust the shape of curves by changing not only control points but also shape factor. our experiments show that h - bezier model approximate to the control polygon more closely than bezier model. so they are suitable to shape design and modeling in cad systems
而且h - b zier曲線還引入了一個稱為形狀因子的參數,形狀設計者不僅可以像b zier曲線一樣通過調節控制多邊形來控制曲線形狀,而且還可以調節形狀因子來調整曲線對控制多邊形的逼近程度This process is as follows : firstly, the data of different section contour and of section line have been obtained by reverse - engineering ; secondly, non - uniform b - spline approximation algorithm is used to fit the discrete data ; then the data have been optimized and reduced by adopting adaptive sampling of key points of the fitted curve based on vertical distance, sequently the adaptive sampling data is transformed into the format of the. ibl file of the famous 3 - d design software pro / e. therefore we reconstruct the surface and a model is generated ; lastly, the effectiveness of the adopted algorithm and modeling approach are demonstrated by the experiments
建模型的過程中,首先運用逆向工程測量方法,獲得曲面物體上不同截面輪廓線的測量數據點列,接著對測量數據點進行平滑處理,用最小二乘法求解基於數據點列的控制多邊形,以非均勻三次b樣條曲線擬合截面輪廓曲線;然後利用基於垂距的數據采樣演算法,對擬合曲線上的數據點進行重新采樣,達到優化數據點的分佈及減少描述曲線數據量的目的。During the past decades, some researchers, such as : bezier, kj. versprile, deboor and cox, etc. had made great progress in the filed of constrained b - spline curve and surface fitting. in this article the method of constrained b - spline curve was introduced, which is used to figure out the control vertexes. using this interpolation method we can calculate every points of a uniform b - spline
並且分析了在各種端點情況下,在重節點的情況下,如何反算控制多邊形的頂點;如何在求出控制多邊形頂點之後,插值計算b樣條擬合曲線上的每一點;並通過結合雙尾船的型線,採用visualc + +和autocad2002為平臺,分別編制了相應的軟體,對提供的型值做出繪圖處理,取得了良好的效果。In the third chapter, we present a class of c2 - continuous spline curves of degree 4 with some shape parameter. the segmented curves are all shape preserving to given polygon
第三章提出一類c ~ -連續的帶有形狀參數的四次樣條曲線,曲線上的所有曲線段的控制頂點由給定多邊形的頂點直接計算產生。And then acceleration characteristic curve is concluded based acceleration track and point out its wave segment. combined with traffic accidents, the correlativity between accident and acceleration change is setup
然後,根據樣本路段的加速度軌跡圖,總結出彎坡銜接線形的加速度特徵曲線,指出加速度特徵曲線的波動段,來表徵路段的加速度變化幅度。Based on the gps data, i analyzed the velocity track of swatch roads and concluded velocity characteristic curve of alignment of downgrade - followed curve, in addition put forward alignment range and conditions responding to velocity characteristic curve
根據gps實測數據,分析樣本路段的速度軌跡曲線,總結出彎坡銜接線形的兩種速度特徵曲線,並指出了各速度特徵曲線所對應的線形組合范圍和適應的條件。Under certain conditions, the calculating formula of interlayer stress and the stress - distributing diagram in cut planes are provided, and the mathematical model for warpage deformation calculation is also established
建立了翹曲變形的數學模型,討論了各種工藝參數(層數、掃描線長、成型室溫度、層厚等)對翹曲變形量的影響。分享友人