調和線束 的英文怎麼說

中文拼音 [diàoxiànshù]
調和線束 英文
harmonic pencil of lines
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : 和動詞(在粉狀物中加液體攪拌或揉弄使有黏性) mix (powder) with water, etc. : 和點兒灰泥 prepare some plaster
  • : 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動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
  • 調和 : 1 (配合適當) be in harmonious proportion 2 (調解) mediate; reconcile 3 (妥協) compromise; m...
  1. In this thesis, ga is used to optimize the beam weights of intensity modulated radiation therapy ( imrt ) inverse planning, and 2d and 3d isodose contour as well as dose volume histogram ( dvh ) are used to evaluate the treatment plan

    本文應用遺傳演算法優化逆向調強放療計劃中射的權重,用二維等劑量、三維劑量分佈劑量體積直方圖來評估計劃的優劣。
  2. The propagation and control of soliton in nonlinear kerr optical lattice with harmonic modulation of refractive index are investigated analytically and numerically in this paper. and some innovative research results have been worked out. the forming conditions of lattice soliton from gauss beam and the two modes of its stable propagation are obtained for the first time

    本文利用解析數值方法研究了在具有橫向折射率周期性調制的克爾型非性光學格子中孤子的傳輸控制,做出了一些創新性的研究結果:首次得出了高斯光形成格子孤子的條件兩種穩定傳輸形式。
  3. Abstract : in this paper, starting from the generalized huygens - fresnel diffraction integral and b - integral definition, and based on the statistical - optics method, the nonlinear propagation properties of laser beams with amplitude modulations and phase fluctuations have been studied in detail

    文摘:廣義惠更斯-菲涅耳衍射積分b積分定義出發,並利用統計光學方法,對有振幅調位相畸變光的非性傳輸特性作了詳細研究。
  4. Quality - control instrument need maintenance ; gauges go out of order ; x rays and laser beams need adjustments

    質量控制儀器需要穩定,量規會出錯; x射激光光需要調校。
  5. It is made of computer network, plc, and new field bus - profibus, the new control system has been debugged successfully, it ( has collect the signals from the 4mv high voltage terminal through the way of infrared and optical fibres, it ends the history that the 4mv high voltage terminal is a black box

    由控制微機,可編程式控制制器新的工業現場總? ? profibus組成的加速器控制系統已經調試成功,它把高壓端的信號成功地通過紅外光纖通路採集到微機,結了傳統靜電離子加速器高壓端是個黑匣子的局面。
  6. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標技術特點,解析的研究了電子在相對論速調管放大器的調制腔漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子產生輻射的自洽方程,同時對性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部外觀品質因數等特性參數。
  7. In the paper, the transmission power of section constituted by the assigned branch is seen as objective function, assigning the adjustable generators both in sending system and receiving system, assigning the faults set, including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system, the thermal stability of branch and node voltage, obtaining the results by using interior - point solution and line - predominant jordan

    本文提出的考慮暫態穩定約的可用輸電能力演算法是以指定路組成的斷面的傳輸功率為目標函數,指定送端系統受端系統中參考調節的發電機,指定故障集情況下,以發電機轉子相對全系統慣性中心的角度差、路熱穩定、節點電壓等構成約條件,採用內點法行主元約當逐行消去法求解問題的最優解。
  8. Need assessment and baseline survey for farmer agri - business training completed successfully august 3 - 13, 2005

    農戶經營管理培訓需求評估調查2005年8月3日- 13日圓滿結
  9. During these processes, diffraction, self - phase modulation, cross - phase modulation and physical distance between the beam centers all have important effects on the beams and the pulse beams propagation

    在這些過程中,衍射、自相位調制、交叉相位調制、光之間的間距等都對光脈沖光在非性介質中的傳輸產生重要的影響。
  10. B management procedures can be deleted directly by the 3, the software is simple and easy to use : handcuffs, application by the end of the menu can be closed useless files and transfer memory superfluous thread, through the installation of the signs option to check with the trash can directly choose to delete, delete the software in the analysis of these documents can be useful, so we do not have to worry about the deletion of useful documents, a bugs, the software can not understand this game cmr2005 part of the procedure documents, as garbage, if you install this procedure, please have your attention the original english software, and so on

    3使用說明:軟體簡單容易上手,通過菜單可以結應用程序關閉調入內存的無用文檔以及多餘的程,通過安裝選項查看帶有垃圾桶標志的項目,可以直接選擇刪除,軟體在刪除的時候可以分析這些文件是否有用,所以不用擔心刪除了有用的文件,一個bug ,軟體不能認識cmr2005這個游戲的部分程序文件,會作為垃圾處理,如果您安裝有這個程序,請您注意原版英文軟體就是如此,並非漢化優化中才出現的。
  11. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共類相位匹配的調諧曲,以及非共類相位匹配調諧曲;分析了走離角對非性系數群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽與泵浦光的消耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與輸出鏡反射率的關系;討論了寬控制的各種方法;研究了利用非穩腔改善光質量的方法;考慮了bbo晶體的設計。
  12. Using the conic function model local approximation, w. cdavidon ( 1980 ) proposed a class of iterative algorithms with modified matrix combining function value, furthermore under the theory d. c. sorensen has used local quadratic approximation method, then applying collinear scaling idea improving on the above algorithm and generalizing it, getting a class of collinear scaling algorithm, unifying former quasi - newton. in the paper, using local quadratic approximation method, the first, constructing the new collinear scaling gene, getting a class of the new collinear scaling algorithm with briefness and numerical stability, ., we discusses some properties of the algorithm and its local linear convergence, q - superlinear convergence and the whole convergence ; secondly we have made numerical experimentation and numerical analysis ; the last, we have done much discussion for collinear scaling idea and given the several new collinear scaling algorithm

    本文的工作就是基於局部二次逼近原理,首先通過構造新的共調比因子,得到了一類新的更簡潔,數值穩定性更好的共調比演算法,進而我們給出了本共調比演算法的局部收斂性,全局收斂性以及演算法q -超性速度的理論證明;其次,用經典的無約優化五大考核函數就本共調比演算法進行了數值試驗數值分析;最後,就局部二次逼近思想,進行共調比演算法思想進行更廣泛的討論,給出了幾個新共調比演算法。
  13. It is found from the experiment that under the conditions of peak magnetic field of 0. 57t, beam pulse fwhm ( full width of half maximum ) of 44ns, a microwave radiation pulse with fwhm 25ns and whole width of 35ns is produced, when the intensity of the guiding magnetic field rises, the peak microwave power changes little but the width of the pulse reduces. the a - k gap also has obvious influence on the microwave radiation, the stable and higher microwave output is obtained under suitable gap

    實驗中還發現,在峰值磁場0 . 57t流半高寬44ns情況下,得到了25ns半高寬35ns底寬的微波脈沖信號,隨著導引磁場增加,微波信號幅值基本不變,但國防科學技術大學研究生院學位論文是微波脈沖寬度會逐步減少;實驗中還發現磁場圈位置有一定的軸向調節范圍,說明在磁場軸向分佈的一定變化范圍內,器件都可以正常工作,這對以後的永磁場系統導引的微波實驗有利。
  14. This kind of reflectors possessed the advantages of the traditional reflectors and the phased arrays. the reflectarray is made up of lots of resonant elements. when the feed radiate the reflectarray, the reflected wave could be focused at some desired direction owing to the adjustment of each element

    這種陣列反射天具有反射天陣列天共同的優勢,它的基本結構就是由大量的無源諧振單元組成的單屏或多屏周期性陣列,然後由一個饋源照射這個天,通過調節介質板上每個單元對于入射波的散射相位,使得反射波在特定的方向實現同相位,發射出方向性極強的筆形波
  15. A single correction method is provided, that is, based on the height finding value of the primary radar and the height finding value of the secondary radar, the paper calculates the adjustment quantity of the antenna beam direction, micro - adjusts the arrary of antenna, and so that it improves the accuracy of height finding

    並提出了一種簡單易行的修正方法,即根據一次雷達的測高值二次雷達的測高值計算出天指向的調整量,對天陣面波指向進行微調,從而提高了測高精度。
  16. Both of the prices of raw materials and products and reconciliation precision are integrated into one objective - economic loss. then, sensor network design is defined as a problem of multi - objective optimization. both of the cost and economic loss are used as objectives

    針對物流測量網路,綜合考慮物流價格變量協調精度,提出了一個經濟損失最小的目標函數,並將性測量網的傳感器配置問題定義11飯杠大學博士學位論文為一個多目標優化問題,將配置費用最低經濟損失最小同時作為優化目標,以變量可觀性、冗餘性、控制工藝要求等作為約條件。
  17. Nonlinear programming which is considered to be recreation of the finite dimension optimization classical theory is a very important and active branch of opsearch. characteristic of nonlinear programming lies in : allowance of complex constraints on the optimization it studies, deep analysis of optimality and duality, emphasis on summarizing theorem and establishment of feasible algorithm

    性規劃是運籌學數學理論中特別重要而又活躍的一個分支,可認為它是有限維最優化經典理論的再創造,其特徵主要在於:所研究的最優化問題允許復雜的約,對最優性、對偶性諸方面進行深入的分析,並強調進行理論概括提出可行的演算法。
  18. Abstract : proper adjustment of the front wheel hub of the automobile can minimize the risk of damage caused by the out ward inclination of wheels and only thus can the car run straight forward more swiftly and steadily with less wearing of the front wheel and higher safety record

    文摘:汽車前輪前的合理調整,能最大限度地減少車輪外傾所造成的不良後果,使汽車直行駛過程穩定,轉向輕便,達到前輪胎磨損量小提高汽車安全行駛的最佳效果。
  19. According to the design theory of the cable - stayed bridge and to the feature of the cantilever construction the authors propose a construction control method called optimum completion state method ( ocsm ) for rc cable - stayed bridges in the proposed method, the optimum completion state is regarded as the final target of the construction control, and the optimum construction state at each construction stage is taken as the technical route the key of the method is to properly choose or adjust the cable forces the objectives function of optimization is to minimize the elevation error of the girder under the constraint condition that the internal forces ( bending moments ) of the girder are bounded the optimization variables are the cable forces on the basis of the above principles, a optimum model for a construction step is established and cable force adjustments can be found for each construction step in this model, the creep and shrinkage effects of concrete have been considered a bridge example is given which shows that the final state of the bridge is very close to the design aim and that this method is much better than the so - called double - control method the example is a good illustration of the soundness and practical value of the proposed method

    根據現代斜拉橋結構設計理論懸臂施工方法的特點,提出了以最佳成橋狀態作為施工控制的最終目標,以實施最佳施工階段為技術路,以索力調整為核心內容的斜拉橋施工控制理論,簡稱為最佳成橋狀態法;以斜拉橋主梁標高誤差最小為目標函數,以主梁內力(彎矩)為約條件,以索力為優化變量,建立了最佳施工階段的索力調整計算模型;推導了考慮徐變收縮效應的索力調整計算公式;用最佳成橋狀態法對一實橋工程進行了施工控制全過程計算研究,得到的成橋狀態與設計目標相當接近,優于該橋以「雙控」為控制目標的實測結果,有力地證明了本文方法的正確性及其工程實際價值
  20. According to propagation equation of gaussian beam and matrix of misadjust resonator, as well as principle of cavity ring - down method and data processing of fitting, a physical model of reflectivity measuring is set up for misadjustment of cavity length or angle of titled cavity mirrors

    根據光傳輸規律調腔矩陣方法,以及光腔衰蕩法測量原理擬合方法,建立了腔長、腔鏡角度失調下光腔衰蕩法的反射率測量模型。
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