角曲線 的英文怎麼說

中文拼音 [jiǎoqūxiàn]
角曲線 英文
angular curve
  • 角 : 角Ⅰ名詞1 （牛、羊、 鹿等頭上長出的堅硬的東西） horn 2 （古時軍中吹的樂器） bugle; horn 3 （形狀像...
  • 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...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The waves should be sheared waves for the anisotropic aeo device and longitudinal waves for the isotropic aeo device. geometrical relationships of anisotropic acousto - optic effect in ln crystal and kdp crystals are studied by tangent - match condition. curves of incident angle vs. abaxial angle, diffractive angle vs. abaxial angle, extreme frequency vs. abaxial angle and acousto - optic merit vs. incident angle vs. abaxial angle are systematically gained and the design parameters are also calculated

    利用相切-匹配條件法研究了鈮酸鋰晶體及kdp晶體的反常聲光互作用幾何關系，系統地得到了以離軸角為自變量的各參數的計算公式及相應的關系曲線，通過數值分析方法給出了聲光優值隨中心頻率的變化曲線並給出了器件的設計參數。
  2. 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。
  3. 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、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「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。
  4. ( 2 ) based on indoor test, two typical soft rock of brecciated mudstone and siltstone in luohu jiancheng district is carried systemically though interior rheological testing ; moreover combining with preceding studying results of rock rheological constitutive model, rheological numerical constitutive model suited to rock mass mechanics characteristics and stratum structure of luohu fracture zone, and numerical parameters of the model are processed with studying of curve fitting

    （ 2 ）立足於室內試驗，對羅湖建成區兩種典型的軟弱巖石?含角礫泥巖和粉砂巖進行系統的室內流變試驗研究，又結合前人對巖石流變本構模型的研究成果，分析並確定了適合羅湖破碎帶巖體力學特性及地層構造特徵的流變計算本構模型，並對該模型的計算參數進行了曲線擬合研究。
  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，折疊成曲線狀。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，貼著五顏六色的標簽，正面用白字寫有首字b . c . t布賴恩庫珀特威迪。
  6. They not only inherit the advantages of bezier curves and b - spline curves, also can be used to represent straight lines precisely and some remarkable transcendental curves precisely, such as circular arc, ellipse, cardioids and twisted pair line etc. especially, the uniform t - b - spline curve of three degrees is smoother than b - spline curve and c - b - spline curve of the same order

    此外由於它們還具有三角函數的優點，故既可以精確表示直線段、二次多項式曲線段又可以精確表示圓弧、橢圓弧等二次曲線以及心臟線、雙紐線等超越曲線。特別地， 3次均勻t - b樣條曲線曲面比同階均勻b樣條（ c - b樣條）曲線曲面具有更高的光滑度。
  7. On the uniform equation of conic section in descartes coordinate system

    直角坐標系下圓錐曲線的統一方程及變化動態初探
  8. The characteristic for a class inscribed triangle of conic section and it ' s application

    圓錐曲線一類內接三角形的性質及其在作圖中的應用
  9. 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標系、向量、曲面及其方程、空間曲線及其方程、平面及其方程、空間直線及其方程、二次曲面。
  10. 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標系而言，而對極坐標系下描述的曲線，在轉換到象素坐標系時要用到三角函數運算，因此目前很少提到對極坐標曲線生成演算法的研究。
  11. 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，給出圓錐曲線弧及其補弧的三角有理b zier表示；以及任意角度二次曲線弧的極坐標b樣條表示。
  12. The study of influence of the crossbeam and corner prop on shear - lag in the thin - wall curve box beams

    橫隔板及角隅承托對薄壁曲線箱形梁剪力滯影響的研究
  13. Cubic uniformly tangent non - uniform corner cutting curves

    三次一致切矢非均勻割角曲線
  14. 4. the moment - rotation - curves model has four physically explicit parameters and it may be useful for the appilication of this connection

    浙江大學碩士學位論文2004中文摘要4 .總結了物理意義明確的四參數彎矩一轉角曲線表達式，為該類節點的實際應用提供了理論依據。
  15. Firstly, making out the walking poses and tracks of the robot, according to the study on the humans ’ gait and the sine and cosine curves are used to program its center - of - gravity track and its feet - lifting track. secondly, the kinematics model is established, and according to the constraint and the programmed tracks, the kinematics equations of each walking stages are available. then find the solutions of each equation and get the motion curves of its joints, which are also the motion curves of the mini - servomotor

    首先，結合對人類行走步態的研究，規劃機器人行走姿態及軌跡;在此基礎上建立並求解運動學方程，獲得機器人行走時各關節的轉角曲線;最後，針對前向運動與側向運動之間的耦合，對求得的運動曲線進行修正，使機器人在保證穩定的前提下，動作更加流暢。
  16. The two kinds of joint connection half - rigidity characteristic about gabled frames are discussed. the criterion among rigid connection, zero rigidity connection, half rigidity connection is determined ; the joint ' s moment and rotation angle curve is analyzed ; the calculation method about joint initial rigidity is brought forward ; the ultimate moment ' s calculation formula is deduced ; the result calculated by the formulas is compared to one calculated by the norm ' s formulas

    探討了門式剛架兩種端板節點連接的半剛性特性，確定了節點剛接、鉸接和半剛接劃分的標準；分析了節點受力時的彎矩轉角曲線關系；提出了節點的初始剛度的計算方法；提出了節點極限彎矩的計算公式，並與規范關于節點抗彎承載力計算的結果進行了比較。
  17. Presents a new method of path mechanism synthesis which is based on coupler - angle curves moment invariant and is an improvement on the path synthesis method of planar linkage by coupler - angle curves

    摘要提出了一種新的軌跡機構綜合方法，該方法對利用連桿轉角曲線綜合軌跡機構方法作了較大的改進，提出基於連桿轉角曲線不變矩的軌跡機構綜合的神經網路方法。
  18. The count method of the pressure ability and torque ability of crank press has been introduced with the relation of the two kinds ability of the crank press and force - angle curve gained by analyzing and computing the data of ja21 - 18 crank press ability

    摘要介紹了曲柄壓力機的壓力能力、扭矩能力的計算方法，並通過對ja21 - 18型曲柄壓力機的能力分析計算，得出此種壓力機兩方面能力分別與力轉角曲線圖的關系。
  19. Through theoretically analyzing of moment - rotation curve of connection and seismic ductility of structure, the paper summarizes four parameter moment - rotation curve model and ductile designing methods

    對節點的彎矩?轉角曲線及結構的抗震延性進行理論分析，總結了四參數的彎矩?轉角模型和延性設計方法。
  20. This paper, by means of experimental study and finite element analysis, investigates the behavior of the extended end - plate connections under static loading, cyclic loading and moment - rotation curves. the main scopes of this paper includes : 1

    本文通過試驗研究及有限元分析，對節點的受力性能、抗震延性和彎矩?轉角曲線等方面進行了研究，主要內容包括： 1
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