限線 的英文怎麼說

中文拼音 [xiànxiàn]
限線 英文
balkline
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 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...
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念,並以加速度模糊函數為分析工具,詳細討論了加速度對性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及性相位匹配濾波器輸出受加速度影響的容等問題。
  2. Radio disturbance characteristics for the protection of receivers used on board vehicles, boats, and on devices - limits and methods of measurement - specifications for active antennas

    道上車輛船舶和設備上用接收機保護的無電干擾特性.值和測量方法.有源天規范
  3. Based on the curve, the adulterated peanut oil can be detected fast, the error amount of which is at least 5 %

    發現油中脂肪酸組成及其特徵組分的變化成性規律,由此做出工作曲,可快速定性、定量摻偽油,且摻偽量的最低檢出可達到5 % 。
  4. Error estimates of characteristic finite element method for nonlinear advection - diffusion equation

    性對流擴散方程特徵有元法的誤差估計
  5. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有元方程的計算格式,為開發運用大型商用有元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。
  6. For a class of quadratic finite element diseretization systems of an elliptic boundary problem with jump coefficients under the unstructured quadrilateral grids, we are concerned with two kinds of quadratic lagrangian finite element equations, by analyzing the relationship between the linear finite element and quadratic finite element basis functions, a hew amg method is designed

    摘要針對一類帶間斷系數的橢圓邊值問題,在非結構四邊形剖分下,討論了兩種二次拉格朗日有元方程的代數多重網格法,通過利用雙性元和二次元基函數之間的表示關系,給出了一種新的網格粗化演算法和構造提升運算元的代數途徑。
  7. Enquiry : f q v amu : 350 - 0660

    東鳳企業股份有公司版權所有服務專: 03 350 - 0660
  8. Application : f q v amu : 350 - 0660

    東鳳企業股份有公司版權所有服務專: 03 350 - 0660
  9. Improving anil jain ' s algorithm, we propose a minutiae match algorithm. our improvement is focused on the following two aspects : first, we use a minutiae alignment algorithm based on the iteration of the neighbor minutia centered at the minutia gravity. secondly, we use a modifiable bounding - box to carry out minutiae matching, which makes our algorithm more robust to the non - linear transform of the fingerprint images

    我們的改進主要體現在二個方面:首先我們利用了一種「基於重心附近遍歷的特徵點對齊演算法」 ,該方法不需要記錄特徵點的多餘信息來進行特徵點的對齊;其次,我們利用一個可變大小的「界盒」來進行特徵點的匹配,使得我們的匹配演算法對指紋圖像的非性形變具有更好的魯棒性。
  10. The analysis results show that the technical code for sanitary landfill in china would satisfy the antipollution request of surrounding site and groundwater, on condition that the water level in landfills is limited to a small value

    分析結果表明,我國的衛生填埋技術規范對填埋場襯墊的要求是可行的,但還需制填埋場內的滲濾液浸潤水頭高度。
  11. The trajectory of antisubmarine homing torpedo is a complex space curve, so there is big limitation in accounting its trajectory length by plane geometry

    由於反潛自導魚雷的彈道是一條復雜的空間曲,因而平面幾何解析法求解其彈道長度有較大的局性。
  12. Crack side of apical towards the left from buttock or on the right side of equalize is horizontal, make one perpendicular bisector from qia ji apogee next, will coxal cent is 4 quadrant, quadrant goes up outside its and escape an internal angle ( connect a line to big rotor from the thorn on qia hind ) it is inject area namely

    從臀裂頂點向左側或右側劃一水平,然後從髂嵴最高點作一垂直平分,將臀部分為四個象,其外上象並避開內角(從髂後上棘至大轉子連)即為注射區。
  13. Answer : " law of 10 " word : crack side of apical towards the left from buttock or on the right side of equalize is horizontal, make one perpendicular bisector from qia ji apogee next, will coxal cent is 4 quadrant, quadrant goes up outside its and escape an internal angle ( connect a line to big rotor from the thorn on qia hind ) it is inject area namely

    答: "十"字法:從臀裂頂點向左側或右側劃一水平,然後從髂嵴最高點作一垂直平分,將臀部分為四個象,其外上象並避開內角(從髂後上棘至大轉子連)即為注射區。
  14. Conscious that the human organism, normally capable of sustaining an atmospheric pressure of 19 tons, when elevated to a considerable altitude in the terrestrial atmosphere suffered with arithmetical progression of intensity, according as the line of demarcation between troposphere and stratosphere was approximated, from nasal hemorrhage, impeded respiration and vertigo, when proposing this problem for solution he had conjectured as a working hypothesis which could not be proved impossible that a more adaptable and differently anatomically constructed race of beings might subsist otherwise under martian, mercurial, veneral, jovian, saturnian, neptunian or uranian sufficient and equivalent conditions, though an apogean humanity of beings created in varying forms with finite differences resulting similar to the whole and to one another would probably there as here remain inalterably and inalienably attached to vanities, to vanities of vanities and all that is vanity

    人體組織通常能夠抗得住十九噸的氣壓169 ,可是一旦在地球的大氣層里上升到相當的高度,越是接近對流層與平流層的境界,鼻孔出血吸呼困難以及眩暈,隨著算術級數就越發嚴重起來。他曉得這一點,尋求解答時就設想出這樣一個難以證明是不可能的行之有效的假定:倘若換個更富於適應性,解剖學上的構造也有所不同的種族,說不定就能在火星水星金星木星土星海王星或天王星那充足而相同的條件下生存下來。然而那個遠地點170的人類種族,盡管在構造方面與地球上的人類有著一定度的不同之處,整個來說彼此卻有著相似的種種形態。
  15. Perfect pre - processing and post - processing function is one of the main factors to evaluate the vitality and market value of the finite element analysis system surveying today development of finite element analysis technology, most of which concentrate on establishing fine user interface, also has some limitation on application, and especially, the research on the visualization of arbitrary cut - plane is always in ascendants to realize the visual processing on cut - plane needs reprocessing the results of finite element analysis which have get, so the algorithm is two parts : seeking the physical value of cut - plane and drawing 2d contours, the former, based on the theory of stress on " arbitrary inclined plane " in physical mechanics, use the method of linear interpolation method to get the coordination and physical value of intersection between cut - plane and element arris ; the latter, based on the tables on elements, nodes, stress and strain, summarize a rapid algorithm of generating 2d contours based on the grid. this thesis synthesizes there two parts and get a visual processing program under fortran

    縱觀有元分析技術的發展,目前大多集中在建立良好的用戶界面上的研究仍存在許多應用上的局性,其中對任意剖面上可視化的研究仍處于方興未艾的階段。要實現任意剖面上可視化處理,必須先將得到的有元計算結果進行再處理,因此在演算法上分為兩部分:求任意剖面上物理量值的演算法及二維等值演算法。前一部分以彈性力學中「任意斜截面的應力」為理論基礎,利用性插值方法得到截面與單元棱邊的交點坐標及交點物理量值;在此基礎上;根據已得到的單元及節點序號表、應力應變物理量表,總結出一種基於有元剖分網格的快速生成二維等值的演算法。
  16. The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established

    論文首先在分析空間嚙合原理基礎上,採用坐標變換法推導出弧面分度凸輪的工作廓面方程、嚙合方程和壓力角計算公式,對弧面分度凸輪的嚙合特性進行了深入的分析和研究,對判斷曲面能否正確嚙合的依據如兩類界限線方程以及誘導主曲率等進行推導,並給出算例。
  17. Equations of mesh, shorting contact line, undercutting limit line, meshing limit lines and the existence conditions, angle between the direction of relative speed and the direction of contact line, induced normal curvature about every point on the contact line are established. moreover, the paper also theoretically analyzed the error of the grinded gear surface. on the basis of the theory, the computer program is worked out to automatically produce the contact line and the boundary curves of mesh. analysis of meshing circs under different parameters can be done so that we can gain the best process condition

    首先對漸開面二次包絡理論進行了深入的探討,推導出了兩次嚙合的嚙合方程式、瞬時接觸方程式、根切界限線方程式、嚙合界限線的方程式及其存在條件,相對運動速度方向與接觸方向的夾角及接觸上各點的誘導法曲率;此外,還對磨齒后工件的齒面誤差進行了理論分析;並在理論基礎上編制了相應的計算機程序,自動生成接觸族及嚙合界限線,對不同參數條件下的嚙合情況進行分析,可以使工藝條件達到最佳狀態;最後研究了磨齒裝置,設計了磨齒機的傳動系統。
  18. The authors first infered the boundary condition for line source, then realised the forward calculation with finite - difference method

    針對垂直有限線源,首先推導了電流源的邊界條件,利用有差分實現了三維地電場的正演。
  19. The analytical solutions of the gain, dispersion and population difference in the steady state of an open ladder lasing without inversion ( lwi ) system are at first given when the phase fluctuation of the driving field is considered. then the effects of the driving field phase fluctuation on the gain, dispersion and population difference are analyzed by the numerical results from the analytical solutions. our research shows that the phase fluctuation of the driving field will results in a finite line width ; with the line width increasing, the gain decreases monotonously, however, variation of the dispersion isn ? t monotonous, it has a maximum value when the line width takes some value ; the line width varying can ? t lead to change lasing from without to with population inversion

    給出了有驅動場位相漲落的開放的梯型無粒子數反轉激光( lwi )系統增益、色散和布居數差的定態解析解,進而用得到的數值計算結果分析了驅動場位相漲落對增益、色散和布居數差的影響.研究結果表明,驅動場位相漲落將導致有限線寬;隨著寬的增加,系統增益單調地減小,但系統色散的變化並不是單調的,當寬取某個值時,色散有極大值;寬的變化不能導致無反轉激光向反轉激光的轉變
  20. Limit of detection and limit of decision for nuclear radiation measurements ; measurement by use of linear analog ratemeters

    核輻射測量的檢測極和決策極.性模擬計數速率測
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