曲線標 的英文怎麼說

中文拼音 [xiànbiāo]
曲線標 英文
curve stone
  • : 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...
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The experimental curve runs nearly parallel to the abscissa.

    實驗幾乎與橫座平行。
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目觀測方向之間的角度變化引起的反射率整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  3. Third, it is this " moment " of the segment of space - time which based on the the philosophy of the nature and describing the mechanical movement that symbolize the transform from the view of integralization in classical atomism of mathematics to the view of integralization of modern real number

    另外,正是基於新的自然哲學的、作為描述機械運動的時空片段的「瞬」志著古典數學原子論的積分觀向現代的分割實數連續統的積分觀的轉化,而現代數學的微分概念更是直接源於描述機械運動的速度和與運動軌跡密切相關的的切問題。
  4. Abstract : the design, manufacturing and measurement method of cam profiling are discussed in this paper by describing cam shaft grinding, fabrication of cam profiling, formation of contour of cam profiling, method of compensative fabrication of cam profiling, and measurement and evaluation of cam profiling

    文摘:從凸輪軸磨床磨削工件凸輪、反靠凸輪靠模的過程,凸輪靠模輪廓的形成,補償反靠凸輪靠模的方法,準凸輪軸的刮削及補償量的確定,凸輪靠模的檢測與評定等,論述了凸輪靠模的設計、製造與檢測方法。
  5. A pair of new inodorous halfsilk black ladies hose, a pair of new violet garters, a pair of outsize ladies drawers of india mull, cut on generous lines, redolent of opoponax, jessamine and muratti s turkish cigarettes and containing a long bright steel safety pin, folded curvilinear, a camisole of baptiste with thin lace border, an accordion underskirt of blue silk moirette, all these objects being disposed irregularly on the top of a rectangular trunk, quadruple battened, having capped corners, with multicoloured labels, initialled on its fore side in white lettering b. c. t. brian cooper tweedy

    一雙嶄新沒有氣味半絲質的黑色女長筒襪,一副紫羅蘭色新襪帶,一條印度細軟薄棉布做的大號女襯褲,剪裁寬松,散發著苦樹脂素馨香水和穆拉蒂牌土耳其香煙的氣味,還別著一根鋥亮的鋼質長別針,折疊成狀。一件鑲著薄花邊的短袖麻紗襯衣,一條藍紋綢百褶襯裙。這些衣物都胡亂放在一隻長方形箱蓋上:四邊用板條釘牢,四角是雙層的,貼著五顏六色的簽,正面用白字寫有首字b . c . t布賴恩庫珀特威迪。
  6. He used a principle, which though helpful was hardly well grounded, to establish canonical forms of curves.

    他採用了一個雖然方便卻不很有根據的原理來建立準型。
  7. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程性尺寸測量的靜態特性的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  8. By taking advantage of the characteristic of the curves ' expression, the algorithm changes the cardioid curve into the linearly combination of some simple iterations

    基於表達式的特點,該演算法將心臟的點坐迭代關系轉化為幾個簡單的迭代關系的性組合。
  9. Manufacture and discussion of calculating railway cognizant curve softwore by coordinate method

    關于座法計算鐵路既有軟體的研製與探討
  10. On the uniform equation of conic section in descartes coordinate system

    直角坐系下圓錐的統一方程及變化動態初探
  11. The contents in this course include space right - angle coordinate system, vector ; hood face and its equation, curve and its equation, plane and its equation, beejine and its equation, conicoid

    課件的教學內容包括空間直角坐系、向量、面及其方程、空間及其方程、平面及其方程、空間直及其方程、二次面。
  12. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained , and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    導出了率半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式,建立了通過逼近圓弧圓心的直方程和圓心坐計算公式.按這種方法用圓弧逼近平面參數,不需要求解非性方程組,避免了計算可能不收斂的麻煩,簡化了非圓的節點計算過程
  13. Since pixel - level contrapose pixel coordinate, trigonometric function must be used to translate polar coordinates to pixel coordinate when the curve is described by polar coordinate. so research is very little on algorithms for generating this sort of curve by now

    由於逐點是針對象素坐系而言,而對極坐系下描述的,在轉換到象素坐系時要用到三角函數運算,因此目前很少提到對極坐生成演算法的研究。
  14. Secondly, the various conic arcs and conies are generated by the rational triangular bezier and the b - spline method in polar coordinates system

    其次,給出圓錐弧及其補弧的三角有理b zier表示;以及任意角度二次弧的極坐b樣條表示。
  15. The lower curve marks the exclusion threshold for data pairs.

    下部曲線標志出對數據對的排除域。
  16. 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;第三,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;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;第七,實現了兩條安全橢圓上的橢圓密碼體制,包括ecdh , eces , ecdsa 。
  17. The apsp produced abroad is made by numerical controlled machine tool, which has noise level of 71db ( a ), the apsp produced in our country is made in the method of exploratory which has noise level of 73db ( a ) and 75db ( a ). in order to analyze the influence of stator curve to noise, the author used tri - coordinate measuring instrument to measured exactly the inside surface of stator and got the straddling point coordinate, and made curve fitting by using matlab as language and studied the fitting effect and then worked out the equation of stator transition curve in return seeking, then comparied this method with the standard style and made the conclusion : the equation of atator transiting curve of apsp made by numerical controlled machine tool is close to theorical 5 power curve standard style, but compared with it, the stator transiting curve of apsp produced in exploratory has a major error. combining the testing results of noise, one can know that the qualily of stator transition curve play an importance to t he noise of the pump

    國外生產的汽車動力轉向泵是用數控機床加工的,其噪聲值為71db ( a ) ,國內生產的汽車動力轉向泵是用靠模方法加工的,其噪聲值分別為73db ( a )和75db ( a ) ,為了分析定子對泵的噪聲的影響,本人用三坐測量儀對定子內表面進行精密測量,獲得定子內表面的離散點坐,以matlab語言為工具對離散點進行擬合,觀察擬合效果,然後,用回歸方法求出了定子過渡的方程,並把該方程與理論方程準型進行了比較,得出如下結論:用數控機床生產的汽車動力轉向泵的定子過渡方程非常接近理論5次曲線標準型,而用靠模方法加工的汽車動力轉向泵的定子過渡與理論5次曲線標準型相比較,則存在著較大的誤差,結合噪聲測試結果可知,定子過渡的優劣,對泵的噪聲大小有著重要的影響。
  18. A markov - chain based performance analysis method for scalar multiplication on elliptic curve

    鏈的橢圓曲線標量乘法演算法性能分析
  19. The standard form of each function and the method of a non - linear function changed into linear one are shown. the forecast models and synthetic evaluation models for the land use are built by unified regression statistical analysis models. the reliability for forecast result and forecast precision are given

    本文概述了一元回歸統計分析模型的幾種常見類型,給出了各種函數的曲線標準形式和將非性問題性化的方法;建立了土地利用的一元回歸分析的預報模型,並對預報結果及預報精度給出置信度分析。
  20. Calibrating force measurement coefficient of atomic force microscopy with force - distance curve

    距離曲線標定原子力顯微鏡力測量系數的研究
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