第三曲線 的英文怎麼說

中文拼音 [sānxiàn]
第三曲線 英文
third curve
  • : Ⅰ助詞(用在整數的數詞前 表示次序) auxiliary word for ordinal numbers Ⅱ名詞1 [書面語] (科第) gr...
  • : Ⅰ數詞1. (二加一后所得) three 2. (表示多數或多次) more than two; several; many Ⅱ名詞(姓氏) a surname
  • : 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...
  • : 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...
  • 第三 : third第三帝國 [德國] the third reich (1934 1945); 第三 (層)樓 [美國] third story; [英國] seco...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. We compare the approximation of an analytic function f by its taylor polynomial and its poisson partial sum with the same number of terms and illustrate that for functions with limit zero at infinity and for bounded functions the poisson expansion provides a better approximation to the function than the taylor expansion

    章中,介紹了rb與poisson的概念以及基本的幾何性質,指出了poisson基函數與有理bernstein基函數之間存在的關系,並且將解析函數的taylor逼近與poisson逼近進行比較。實例表明,對于在無窮遠處極限為0的函數以及有界函數, poisson逼近比taylor逼近效果要好。
  2. The first part is introduction, presenting this paper ' s structure, research background and so on ; the second part introduces some issues relating closely to risk, the tangency point between indifference utility curve and efficient frontier is the optimal portfolio ; the third part explores risk evaluation, this part begins with some risk factors affecting security ' s price and return, then analyzes the methods evaluating degree of risk, finally, introduces a more popular method of risk evaluation - - var ; the forth part expounds risk management, this part studies some risk control strategies correspond to specific risk mentioned above ; the last part put forward some advice contrapose issues existed in risk management in china

    一部分為緒論,介紹本文的相關背景;二部分是與風險相關的幾個問題,等效用與有效邊界的切點是投資者選擇的最佳投資組合;部分是風險衡量,該部分首先分析了證券與股票所面臨的風險,然後對債券和股票分別介紹,最後介紹了目前比較流行的風險衡量方法? ? var方法;四部分為企業風險管理,這里針對上文所述的風險提出相應的風險控制策略;五部分針對目前我國風險管理中存在的問題提出了幾點建議。
  3. In the section 3, we calculated the threshold and efficiency of double resonance oscillator ( dro ) in plane wave of clbo ; we also got the efficiency curves of clbo in gaussian beam

    章分析和數值模擬計算了平面波雙諧振情況下clbo晶體的振蕩閾值和轉換效率,同時給出了高斯光束的轉換效率並與bbo晶體進行了比較。
  4. The basis of ar model was complementally introduced in chapter 3 and through which different ar curves for several types of application purposes were suggested. another constituent of ar model, operations of ear and aar were defined based on a simple occupant counting and ar curves

    論文章建立了煩惱率模型,同時也給出了適用於不同使用場合的煩惱率,並在煩惱率的基礎上定義了煩惱率期望值和煩惱率平均值運算。
  5. The dissertation is mainly including four section : the first is the experiments done in the tank, which will supply the reliable information of imaging data ; the second is image edge detection by the use of the art of the zernkie moments, which is used to detect the liner and threaded edge of the object, the third is the underwater camera calibration technique, the forth is automatic positioning the location of the camera by used of the art of cross - ratio, the result of which is satisfied

    本文工作分為四個部分:一部分是水槽實驗部分,它為后續的工作提供了可靠的圖像數據信息;二部分是基於zom距的直邊緣提取技術及相關的與處理技術;部分,水下攝像機標定技術研究,基於改進的tsai演算法,採用逐步分解的標定策略。並探討了一種相對簡單的、靈活的標定技術;四部分是攝像機定位技術研究,採用具有平移不變性的交比進行攝像機定位,模擬試驗的最大誤差不超過2 ,效果還是令人滿意的。
  6. 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密碼體制的優點及研究現狀;其次研究了橢圓密碼體制的基本理論;,分析了橢圓密碼的安全性並介紹了密鑰共享,加密,數字簽名等橢圓密碼體制;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密碼體制時參考;五,研究了目前流行的計算橢圓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;六,實現了基於f _ 2m的橢圓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等橢圓密碼體制;七,實現了兩條安全橢圓上的橢圓密碼體制,包括ecdh , eces , ecdsa 。
  7. In this thesis, the characters of the high - speed maglev transportation safe speed protection system are introduced firstly in chapter one. subsequently, the realization of the speed curve watching function that is one of the core safety functions of the maglev train ' s operation control system is discussed carefully in chapter two. in chapter three the arithmetic of the maglev train ' s safe speed curves is discussed, including the safe braking speed upper limit curve, the safe braking speed lower limit curve, the safe speed upper limit curve and the range of the maglev train ' s safe operating speed

    本文首先綜述了磁浮高速鐵路系統安全速度防護系統,二章對運行控制系統的核心防護功能?速度監控功能的實現作了詳細的論述,章則給出了速度監控功能中磁浮列車安全速度防護的演算法,包括磁浮列車安全制動上限速度防護、磁浮列車安全制動下限速度防護、磁浮列車安全速度防護上限和高速磁浮列車安全運行速度的范圍。
  8. Based on the creep experimental curve, the creep deformation law of silty soft clay of the first marine layer and its constitutive relationship among stress - strain - time is studied in this paper

    本文在蠕變試驗的基礎上,研究了天津市一海相層淤泥質粉質粘土的蠕變變形規律,得出應力、應變、時間者之間的本構關系。
  9. The stability of cauchy singular integral when the integral curve has a smooth perturbation is discussed in our first partition ; we apply some results of the first partition to the second partition and solve the stability of the solution to the cauchy singular integral equation. finally, on the basis of the stability of the cauchy type integral, we study the stability of the solution to the riemann boundary value problem when the contour perturbs smoothly

    一部分中,我們主要討論了cauchy奇異積分在積分發生光滑擾動時的穩定性問題;而在二部分中,我們把一部分的結果應用到cauchy奇異積分方程,導出了其關于積分攝動的穩定性的研究及其一些結果;最後,在部分中,我們在研究cauchy型積分關于積分的穩定性問題的基礎上,探討了riemann邊值問題的穩定性問題。
  10. In chapter 3, some theories of approximation are given from the point of mathematics and from physics

    章分別從數學的角度和物理的角度闡述了流固物體拉伸流動問題求解的近似理論。
  11. 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

    章提出一類c ~ -連續的帶有形狀參數的四次樣條上的所有段的控制頂點由給定多邊形的頂點直接計算產生。
  12. Module layer is the third one, which consists of data storage module, original data scanning module, currency displaying module, curve module, amplifying and narrowing module and etc. the last one is interface layer, where programmers could choose appropriate module groups to build their own systems based on their own needs

    層為模塊層,保存數據模塊、瀏覽前數據模塊、顯示當前值模塊、圖表模塊、放大縮小模塊等等。四層為界面層,編程人員可以根據用戶需求,挑選合適的模塊組建適合自身功能需要的系統。
  13. In the third chapter, interval polynomial approximation of rational curves is introduced

    章主要介紹了有理的區間多項式逼近。
  14. In the third chapter of this thesis, the nickel electrodeposition process in leaching solution containing ammonia and chloride was summarized, and the electrochemical behaviour of nickel electrodeposition in ammonia complex bath was investigated by measuring polarization curves. the effects of total nickel, ammonia, ammonium chloride concentrations in the electrolyte as well as its anion species and temperature were studied systematically

    章中首先對氨絡合物體系電積金屬鎳的工藝進行了總結,並通過極化測量,對氨絡合物體系中鎳陰極電沉積電化學行為進行了研究,系統探討了溶液中總鎳離子濃度、氨水濃度、氯化銨濃度、陰離子及溫度等工藝條件對鎳陰極還原的影響,而後著重對電積鎳的反應機理進行了研究。
  15. In the chapter 3, after the multi - stroke plane distributor was designed, pressure field of the plane distributor was calculated with fem. at the same time, the cad software for it was developed according to the above arithmetic

    章在初步設計計算內端面配流盤的基礎上,採用流體有限元方法精確計算分析了端面配流盤的壓力流場,同時根據上述演算法開發了端面配流盤計算機輔助設計軟體。
  16. In the section 2, firstly based on the diffusion approximation theory, the temporal characteristics of the reflectance and the transmittance were theoretically analyzed in turbid tissues ; secondly, the curves were simulated that the intensity and the pulse shape of the time resolved reflectance and transmittance versus the absorption a, the scattering s and the anisotropy coefficient g in two different boundary conditions : semi - infinite turbid media and homogeneous slab ; at last, the optical properties can be derived from the curves ; in the section 3, the conditions of ultra short laser pulses of different pulse - width and shapes has been theoretical analyzed and calculated, besides, the simulated the curves of the intensity and pulse shapes of the reflectance and transmittance in a homogeneous slab are obtained for use and future studying

    二章中首先根據漫射近似理論對超短脈沖在以生物組織為典型的混濁介質中傳輸進行了理論分析,然後對兩種邊界條件下產生的漫反射、漫透射光脈沖強度和形狀隨各光學特性參數的變化情況進行了數值模擬,最後得到了混濁介質的光學特性參數與漫反射、透射脈沖強度與形狀的關系章對不同形狀和脈寬的脈沖光源入射到混濁介質中產生的漫反射、漫透射脈沖的強度和形狀進行了理論分析和數值模擬,並將高斯脈沖與方波脈沖情況進行了對比,得到了各種情況的漫反射、漫透射脈沖強度、形狀與各光學特性參數的關系,這對從分析脈沖形狀中提取介質的光學特性參數的信息有重要的意義。
  17. This paper mainly studied the influence of asynchronous problem on statistical line losses between power supply and consumption, provided three solving methods, proportional coefficient method of power supply, curvilinear imitation method of power consumption and curvilinear interposition method of power consumption, and got the real synchronous loss rates of distribution network for the first time

    本文重點研究了供售電不同期問題對統計損的影響,提出了供電比例系數法、售電擬合法、售電插值法種解決辦法,一次得到了較真實意義上的同期統計損率。
  18. First super - low specific - speed centrifugal pump has a long and narrow flow passage for its high head and low capacity, and the power absorbed by disc friction is too high, so the efficiency is very low ; secondly the diffusion of flow passage is so high, that the reserved flow often emerges at the inlet and outlet of impeller. therefore the h ~ q characteristic curve is often hump - shaped, and at the low - capacity operating condition the instability often occurs ; thirdly the centrifugal pump at high - capacity operating condition is easy to overload because the n ~ q curve appears a rising trend

    首先由於它的揚程較高、流量較小,所以它的流道狹長,圓盤摩擦損失較大,效率相對較低;其次由於它的流道擴散較嚴重,易在葉片進口產生迴流和在出口產生脫流,揚程流量特性易出現駝峰,在小流量工況下易產生不穩定現象;,由於其功率流量呈現上升趨勢,在大流量區運行時電機易過載。
  19. In the first part, depending on three or more images, the main research work are listed as follows : ( l ) using svd decomposition to realize projective reconstruction ; ( 2 ) realizing camera self - calibration by solving kruppa ' s equation ; ( s ) recovering euclidean reconstruction from projective reconstruction. depending on only two images, the main researches are : ( l ) making out infinite plane homography matrix by using scene structure information, then recovering affine reconstruction from projective reconstruction ; ( 2 ) making out the absolute conic images by using scene structure information, and then recovering euclidean reconstruction from projective reconstruction

    一部分中,針對幅及幅以上的圖像,主要研究:利用矩陣奇異值分解( svd )實現射影重構,通過求解kruppa方程實現攝像機自標定,由射影重構恢復歐氏重構;針對只有兩幅圖像的情況,主要研究:利用場景結構信息求解無窮遠平面的單應矩陣,由射影重構恢復仿射重構,利用場景結構信息求解絕對二次的像(等價于標定攝像機) ,由仿射重構恢復歐氏重構。
  20. In the forth chapter, we proposes an approach of constructing planar piecewise bezier curve of 3rd 4th and 6th degree with all edges tangent to a given control polygon and the curve segments are joined together with c1 c2 and c3 - continuity. the segmented bezier curves are all shape - preserving to their tangent polygon

    四章討論與給定多邊形相切的分段次、四次、六次b zier,所構造的c ~ 1 、 c ~ 2 、 c ~ 3 -連續,並且對切多邊形是保形的。
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