立方拋物線 的英文怎麼說

中文拼音 [lìfāngpāowùxiàn]
立方拋物線 英文
cubic parabola
  • 立 : 動1 （站） stand; remain in an erect position 2 （使豎立; 使物件的上端向上） erect; stand; set up...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 拋 : 動詞1. （扔; 投擲） throw; toss; fling 2. （丟下; 拋棄） leave behind; cast aside; abandon
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 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...
  • 立方 : 1. [數學] cube 2. [簡] （立方體） cube3. （立方米） cubic metre; stere
  1. In this thesis, based on pershing ii surface to surface missile, a new kind of ballistic missile was designed with an additional rocket engine, which can be ignited twice. firstly, aerodynamic computational models of missile body and warhead which reentry with supersonic are built according to the task requirements ; secondly, the propulsion system model of missile is built whose first two stages are solid rocket engines and the third stage is liquid - solid combined rocket engine. the nozzle and the shape of the engine are designed to meet the needs of the populsion project ; thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed & optimized ; finally, the ability of a missile ' s breaking through defence is analyzed

    以美國潘興導彈為原型，增加可兩次點火的末級發動機，改裝成具有跳躍能力的地地彈道導彈；首先，根據任務需求，建立了導彈的氣動模型，並建立了彈頭再入時高超聲速氣動模型；其次，建立了導彈推進系統模型，前兩級採用了固體火箭發動機，第三級採用了固?液組合火箭發動機，並在總體方案要求下，對發動機噴管和外形進行了設計；第三部分，建立了導彈質點彈道模型，設計了一條跳躍式彈道，並對跳躍式彈道進行了優化設計；最後，對導彈進行了突防能力分析，從分析的結果可以看出，跳躍式彈道的突防能力比常規的拋物線彈道要強。
  2. Through the flume experimental research, the velocity distribution formulas for rectangular open channel have been found, including parabola form of velocity distribution on the vertical and power form of mean velocity distribution on the transverse direction ; meanwhile, the means of ascertaining correlative coefficient have been given in this paper

    摘要通過對明渠流速的水槽試驗研究，建立了矩形斷面明渠沿垂線流速的拋物線分佈公式和橫向平均流速的乘冪函數分佈公式，同時給出了相關系數的確定方法。
  3. First, the ray tracing equation and its numeric solution is presented in this paper, then on the base of quasi - parabolic ionosphere model, using the technology of the numeric ray tracing, a ray tracing simulateing platform is established. this platform can simulate the ray tracing for a fixed frequency or sweeping frequencies, also can calculate the group path and the covered region of rays

    首先，本文給出了射線追蹤方程及其數值解法，在球形對稱準拋物模型背景電離層基礎上，利用數字射線追蹤方法，建立了射線軌跡演示平臺。該平臺可實現定頻或掃頻射線軌跡演示，計算各射線群路徑，覆蓋區域等功能。
  4. In order to utilize the atmospheric duct phenomena, and to make the electronic reconnaissance facilities more effective and the status of battlefield more advantageous, on the basis of classification of the atmospheric duct, first the model for evaluating the effective detective zone of electronic reconnaissance facility is established, then the numerical value simulation method of electromagnetic wave propagation under the condition of surface duct calculated with parabolic equation and fourier arithmetic is presented, and finally the influences of atmospheric duct on electronic reconnaissance facility is analyzed

    為充分利用大氣波導條件，發揮電子偵察設備效能，使戰場態勢向有利於己方方向轉化，在介紹大氣波導分類的基礎上，建立評估電子偵察設備的有效探測區的模型，給出用拋物線方程及其分佈傅里葉演算法計算電磁波在表面波導條件下傳播的數值模擬方法，並分析了大氣波導對電子偵察設備的影響情況。
  5. Methods a set of mixed parabolic - gradient nonlinear equations was established based upon the principles of the developing neural biology, which was computed by the adi scheme and the modified euler ' s method

    方法根據神經發育原理，建立具有一定剛性的非線性混合拋物型偏微分方程組，運用adi差分格式和改進的歐拉法作數值分析。
  6. Then, in order to meet the need of relevant parameter calculating conveniently, basing on the principium of the material mechanics, the cube - parabola method in calculating bending strength parameter number is provided

    同時為適應有關參數數值計算需要，根據材料力學基本原理，提出彎曲強度參數計算中的立方拋物線法。
  7. In this paper, a quasi - 3d model of nearshore wave - induced currents and long waves is established based on the combination of an averaged integration of surface wave - induced currents equation along water depth, a 2d equation for the solution of vertical structures of the currents and a nonlinear parabolic approximate wave reflection - diffraction equation of mild slope

    本文建立了將沿水深積分平均的平面波生流方程和求解波生流垂向結構的二維方程與非線性拋物型近似緩坡波浪折射-繞射傳播方程相結合的完整的準三維的近岸波浪引起的水流及其長波的模型。
  8. The functional relation of flowing coefficient with flowing pressure was described as a parabolic function, and a new type of inflow performance relationship which contained 3 undetermined coefficients was setup

    摘要假設油井流動系數為二次拋物線函數，建立了包含3個待定系數的新型通用油井流入動態方程。
  9. Oscillatory properties of the solutions of nonlinear delay hyperbolic differential equations of neutral type

    非線性中立拋物型泛函微分方程解的振動判據
  10. Oscillations of the solutions of hyperbolic partial differential equations of neutral type

    非線性中立型時滯拋物微分方程解的振動性
  11. The oscillation criteria for a class of systems of nonlinear parabolic differential equations of neutral type

    一類非線性中立型拋物方程組解的振動判據
  12. Oscillation of solutions for a class of nonlinear neutral parabolic differential equations boundary value problem

    一類非線性中立型拋物微分方程邊值問題解的振動性
  13. This paper studies the systems of nonlinear neutral parabolic partial functional differential equations with continuous distributed deviating arguments, sufficient conditions are obtained for the forced oscillation of solutions of the systems

    摘要研究具有連續分佈偏差變元的非線性中立型拋物偏泛函數分方程系統，獲得了系統解的強迫振動的充分條件。
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