數論導引 的英文怎麼說

中文拼音 [shǔlúndǎoyǐn]
數論導引 英文
an introduction to the theory of numbers
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 論 : 論名詞（記錄孔子及其門徒的言行的「論語」） the analects of confucius
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 引 : Ⅰ動詞1 （牽引; 拉） draw; stretch 2 （引導） lead; guide 3 （離開） leave 4 （伸著） stretch 5 （...
  1. But in the forepassed research, the people all abstracted the colloid in the water as the sphericity and explained it by the known theory of the colloid chemistry. moreover some people modified the result by the grain coefficient in the derivation of theory. but this assume had more difference on the observed phenomena in the experiment, so it was not perfect in theoretical speaking

    關于絮凝的理論基礎在國外研究得比較多，但在過去的研究中，人們大都是將水中的膠體顆粒抽象為球形，用已有的膠體化學理論去加以解釋，並在理論推導中引入顆粒系數加以修正，這與實際實驗所觀察到的現象有較大的差別，從理論上說，是很不完善的。
  2. Three parameters, the fractional temperature coefficient, the sensitivity of transconductance to voltage supply and improvement factor, are introduced

    在分析中，本論文引入並使用了跨導的相對溫度系數、跨導對電源電壓的敏感度、跨導穩定性改善因子三項指標。
  3. In the end of this thesis, on the basis of the mathematical model, three segments of trajectory : the vertical turn, the pn guidance and the direct lateral force control in terminal trajectory are simulated. the results show that with the direct lateral force control reduces in terminal trajectory, the miss - distance is reduced and the precision is improved

    4 、論文最後根據前面建立的數學模型，對防空導彈垂直轉彎段、比例導引段以及末端直接力控制段進行了模擬計算，結果表明進行末端直接側向力控制可以有效減小攔截目標時的脫靶量，提高命中精度。
  4. Continuity, integrability and differentiability of riemann function are discussed ; especially, the non - differentiable properties on [ 0, 1 ] are proved, and dirichlet ' s function is comparated with it

    摘要從黎曼函數的簡單特徵入手討論它的連續性、可積性、可導性，特別是證明了黎曼函數在區間[ 0 ， 1 ]上處處不可導，並結合狄利克雷函數加以引申和推廣。
  5. In the scheme of the atomic interferometer based on the uccc, we discuss the approximate solution of atomic matter wave - function in double - channel magnetic guide, and analyze the evolution of transverse wave function in the process of atomic interference and show the probability distribution after the interference

    利用在u -型載流導體基礎上構建的原子干涉儀，討論了雙通道磁導引中物質波波函數的近似求解。此外，還分析了干涉過程中橫向波函數的演化，並給出了物質波通過干涉儀后的干涉條紋。
  6. Secondly, by using the scattering characteristics of rough surface, the relation formula between received power and transmitted power of remote system for a facet is derived. finally, the scattering power for a conductor sphere is computed. 4

    根據有關測量數據，提出了激光引信的發射波束模型，並結合粗糙面散射理論，導出面元散射功率方程，給出導體球的激光近場散射功率結果。
  7. The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided

    論文的主要工作包括四部分：第一部分研究了脈沖多普勒雷達導引頭的信號建模問題，建立了雷達信號模型，主要包括：發射信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差通道天線方向圖模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統計性模型、目標角閃爍模型等。第二部分研究了脈沖多普勒雷達導引頭的信號處理模式，建立了信號和數據處理模型，主要包括：加窗和多普勒濾波、包絡檢波、檢波后積累、頻域cfar處理、速度定心、速度跟蹤、角跟蹤、 ?濾波等，然後給出了信號處理流程。
  8. Effective guidance is one of the most important tasks to the performance of air - to - air missile. based on the proportional navigation, fuzzy logic and genetic algorithm are combined to develop an evolutionary fuzzy guidance 1 aw with s elf - adapt region for the air - to - air missile guidance

    並在傳統的模糊邏輯控制基礎上引入了一個非線性變論域函數，從而實現了模糊變量論域的動態改變，然後使用遺傳演算法對導引規則進行了尋優。
  9. Fourthly, we discuss and simulate the transformation method of relative parameters of ground target based on data link. and then we analyze decision algorithm of air - to - ground attack. especially, we educe three dimensional terminal guidance law of air - to - ground missile in the disturbance of wind, and give the simulation result

    本文也研究了空對地攻擊的若干技術，包括對獲得數據鏈指揮下地面目標相對于某攻擊機當前時刻相關參數的方法進行了闡述及模擬，並在此基礎上討論了單機對地面多個目標的攻擊決策演算法，同時提出了一種風干擾下空地導彈的三維末制導導引律，且利用數字模擬進行了驗證，並指出研究空地導彈導引律時考慮風影響的必要性。
  10. The testing result in sandy soil shows that the law that the principal parameters of the knives exert influence on the draft approximately approaches to the result theoretically driven out, and a pair of knives has been chosen to be a favourable one with satisfactory performance and smaller draft for the plastic film mulched corn field through the contrast tests to number of pairs of knives

    砂質壤土中的試驗表明，鏟刀主要參數對牽引阻力的影響規律與理論推導結果相近。通過多副鏟刀的對比試驗，選取出對玉米茬地進行起膜、起茬作業時，性能良好，牽引阻力較小的鏟刀。
  11. Firstly, this paper summarizes modern weaponry stealth technology at home and abroad, and lays special emphasis on analyzing stealth problem of cruise missile ’ s guidance head cover, aerocraft radar canopy and other privileged sites. secondly it makes a research on related theories of transparent metallic mesh that applied to missile ’ s guidance head cover and aerocraft radar canopy, and deduces relational expression between transparent metallic mesh structural parameters and radar wave - shielding efficiency, infrared transmitting. we use laser direct writing technique to fabricate a metallic mesh ( dimension : 70mm 70mm ; line width : 5 m ; period : 350 m ) on glass surface, then do experiment to test radar wave - shielding of metallic mesh via radar transmitting and receiving device

    本文首先綜述了國內外現代武器系統隱身技術方法;重點對巡航導彈導引頭罩和飛機雷達艙罩等特殊部位的隱身問題進行了研究，研究了金屬網柵用於導彈頭罩和飛機雷達艙罩隱身的相關理論，推導了金屬網柵結構參數對雷達波屏蔽效率和透紅外關系式;用激光直寫工藝，在玻璃表面上製作了一塊面積為70mm 70mm ，線寬為5 m ，線周期為350 m的金屬網柵;在實驗室里用雷達發射和接收裝置測試了網柵對雷達波的屏蔽實驗;認為利用金屬網柵技術對雷達波具有一定的屏蔽作用，而且不影響精確制導的紅外線高效透過。
  12. Leading by the nc bend tube welding jig design flow, develop a series of tools in the cad software platform, then construct the nc bend tube welding jig cad system under the tools collection ; 2 ) use the reverse technology of nc bend tube ’ s modeling, aim to the most general nc bend tube, reevaluation the bend tube ’ s essential feature by using the vector transformation algorithm, and establish bend tube model above this foundation

    論文的主要工作包括以下幾個方面: 1 ）提出了數控導管焊接夾具cad系統框架。在數控導管焊接夾具的設計流程引導下，于cad軟體平臺上開發系列工具集，進而在工具集支撐下構建數控導管焊接夾具cad系統; 2 ）應用了數控導管逆向建模技術。
  13. In order to integrally interpret the modern geodetic data, on the basis of available works, we put forward the basic concept of the coupling movement between the crustal deformation and density change, analyze the theory of coupling movement, and derive a general strict formula of time - varying gravity caused by the coupling movement

    摘要為整體解釋現代大地測量數據，提出了地殼變形與密度變化耦合運動的基本思想；分析了地殼變形與密度變化耦合運動的基本理論；導出了由地殼形變與密度變化耦合運動引起的重力時間變化一般嚴格公式。
  14. Based on the duncan - chang e - b model, which can simulate earth - rock dam ' s non - linear mechanics behavior well, the paper introduced the nature coordinate system to the stress space. in this way, hydrostatic stress and stress deviator were decomposed each other. therefore, a partial derivative formulation about displacement and parameter in finite element evaluation was derived in a closed form

    論文以能較好模擬土石壩非線性力學行為的duncan - change - b模型為基礎，通過引入應力空間下的自然坐標系，分解應力球量與應力偏量，從而導出一個在有限元計算中，位移對參數偏導數的閉合形式公式。
  15. Based on it, the performances of all kinds of supersonic ejectors are compared and the effects of variety of input parameters on the performances of supersonic ejectors are discussed. the conclusion is reached, that the design scheme of small ejecting coefficient, high ejecting mach - number, combustion - gas driving should be adopted to develop high performance, high compression - ratio prs. thirdly, the method of computational fluid dynamics is used to numerically solve the flow - field of the annular supersonic ejector with or without a second flow

    接著，推導了超聲速引射器各種一維理論模型，並應用一維理論公式分析、比較了各種超聲速引射器的性能及其變化規律，全面探討了各設計參數對超聲速引射器性能的影響，得到了高性能、大壓縮比引射器系統應該採用小引射系數、高引射馬赫數、燃氣引射、優化超聲速引射器設計方案的結論。
  16. Particle simulation method is used to investigate the properties of the rco - tat, including the basic physical process of the beam - wave interactions and the dependence of the microwave radiation on the structure parameters, the beam parameters, and the guiding magnetic field intensity and distribution

    利用21 / 2維電磁模相對論pic粒子模擬程序研究了rco - tat工作的基本物理過程，並研究了器件的結構參數、束流參數、導引磁場強度和分佈對束波作用和微波輸出的影響。
  17. The radar signal simulator discussed in the thesis is a part of an arm signal processor. the main usage of the simulator is supplying data to test the efficiency of the arithmetic and the performance of the processor

    論文是基於反輻射導引頭信號處理器的研製展開的，模擬器的主要作用是提供數據以測試演算法的有效性及信號處理器的性能。
  18. This dissertation first discusses spatial data characteristics, and introduces spatial data models, spatial data structures and spatial indexes, and focus on the spatial data cache technology and the fast inquiry implementing agent technology and then analyzes the advantages of taking agent technology to solve the problems such as the network bandwidth dependence, the stability of data service, and query speeds which occur in the gis spatial data. this dissertation also discusses agent - based spatial data query model - absqm, which is designed according to agent

    本文首先討論了空間數據的特徵，對空間數據模型、空間數據結構以及空間索引進行了分析與論述，重點探討了空間數據緩存技術和實現快速查詢的agent技術，分析了agent技術解決gis空間數據導致的網路帶寬依賴、數據服務穩定性、查詢速度等技術問題所具有的優勢，對設計的基於agent的空間數據查詢應用模型（ absqm ）進行了論述。
  19. The tactical missile seeker handover accuracy from midcourse to terminal guidance is researched. the small perturbation method is proposed to analyse error sensitivity of the seeker presetting parameters from error sources. firstly, the terminal guidance seeker presetting parameters are computed, based on the equations of a surface - to - air missile movement and a target movement. then the seeker presetting unaccuracy due to the command guidance radar measurement errors is also computed. it can be seen that the seeker presetting errors increase rapidly when the missile is close to the target, which leads to an important conclusion that the late seeker handover from midcourse to teminal guidance should be avoided

    研究復合制導的戰術導彈中末制導交班的導引頭預定精度問題.提出用小擾動法分析導引頭預定參數對誤差源的誤差敏感性關系.以中遠程防空導彈為例，結合導彈運動方程組和目標運動模型，計算了中末制導交班的導引頭預定參數，並計算了在制導站雷達測量誤差下的末制導導引頭預定參數的計算精度.可知，導引頭定位參數的計算誤差隨著彈目距離的接近而顯著增大，得到中末制導交班不能太晚的重要結論
  20. Abstract : the tactical missile seeker handover accuracy from midcourse to terminal guidance is researched. the small perturbation method is proposed to analyse error sensitivity of the seeker presetting parameters from error sources. firstly, the terminal guidance seeker presetting parameters are computed, based on the equations of a surface - to - air missile movement and a target movement. then the seeker presetting unaccuracy due to the command guidance radar measurement errors is also computed. it can be seen that the seeker presetting errors increase rapidly when the missile is close to the target, which leads to an important conclusion that the late seeker handover from midcourse to teminal guidance should be avoided

    文摘:研究復合制導的戰術導彈中末制導交班的導引頭預定精度問題.提出用小擾動法分析導引頭預定參數對誤差源的誤差敏感性關系.以中遠程防空導彈為例，結合導彈運動方程組和目標運動模型，計算了中末制導交班的導引頭預定參數，並計算了在制導站雷達測量誤差下的末制導導引頭預定參數的計算精度.可知，導引頭定位參數的計算誤差隨著彈目距離的接近而顯著增大，得到中末制導交班不能太晚的重要結論
分享友人
分享到 Line

分享到臉書