optimum beam 中文意思是什麼

optimum beam 解釋
最佳束
  • optimum : n. (pl. optimums, -ma ) 【主、生】(成長繁殖等的)最適條件,最適度。adj. 最適宜的。 the optimum temperature 最適溫度。
  • beam : n 1 梁,棟梁,桁條;(船的)橫梁。2 船幅;(動物、人的)體幅。3 (秤)桿,杠桿,(織機的)卷軸,...
  1. Studies on the optimum beam orbit correction for high energy electron linacs

    高能電子直線加速器束流軌道校正的優化研究
  2. Parabolic antenna in a widely used is tracking antenna area, by use the optimum design, it may produce a very narrow beam, it ' s tracking precision is high, but because it ' s beam width is very narrow, the searching target is very difficult

    摘要拋物面天線是火控雷達中普遍使用的一種跟蹤天線,通過系統優化設計,可以形成很窄的波束,所以其跟蹤精度很高,因為其波束很窄,所以搜索發現目標困難。
  3. The optimum analysis in designing a steel box beam

    鋼結構箱形梁橋結構尺寸優化分析
  4. This paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it

    建立預應力混凝土連續梁橋預應力度的模糊優化問題,按-水平截集解法,將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后,只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想,並以一實例說明其理論應用
  5. Abstract : this paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it

    文摘:建立預應力混凝土連續梁橋預應力度的模糊優化問題,按-水平截集解法,將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后,只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想,並以一實例說明其理論應用
  6. In addition, the computer method is proposed to get the stochastic pile capacity and the random optimum analysis is done in virtue of the genetic algorithm which can easily think over the influence of the randomness of pile capacity on the internal force of capping beam based on the thorough analysis about the primary factors influencing the randomness of pile capacity. an optimization program is worked out for the analysis which can consider the pile - soil - cap interaction and the non - linear character of the foundation soil

    此外,本文對影響基樁承載力差異性的主要因素進行了深入分析,提出了基樁承載力隨機生成的計算機方法,並採用遺傳演算法對承臺梁內力進行隨機優化分析,可方便地考慮基樁承載力隨機性對承臺梁內力的影響,並開發出能考慮樁?土?承臺共同工作及地基土非線性特性的樁基承臺梁內力優化分析程序。
  7. Theory and experiments of bulk - wave acousto - electro - optical ( aeo ) device, involving one - dimension and multi - dimension, are systematically studied. the thesis includes the following contents : coupled - wave equation theory of aeo interaction, determination of the optimum operating mode of aeo device, geometrical relationships of the anisotropic acousto - optic interaction, design and experiment of the aeo device. finally, the optimum design of ao device with beam steering theory is also studied

    論文主要研究內容包括:一維和多維聲電光效應的耦合波方程及其衍射效率計算公式的建立、一維和多維聲電光器件最佳工作模式的選擇、聲電光晶體反常聲光互作用幾何關系的計算、 ln一維反常聲電光器件和kdp二維反常聲電光器件的設計製作以及實驗測試、正常與反常超聲跟蹤聲光偏轉器的優化設計。
  8. Optimum design for double - horse head beam pumping unit is a question of non - linear programming with inequality constraint condition and multi - objective function

    雙驢頭抽油機優化設計是一個具有不等式約束多目標函數的非線性規劃問題。
  9. On the basis of discussing the analyzed restraint relationship between the link loss and the spot - beam antenna gain a new spot - beam model of optimum design named link level balance spot - beam model is proposed

    在分析鏈路損耗與點波束天線增益之間制約關系的基礎上,提出了一種新的點波束優化設計模型鏈路電平平衡點波束模型。
  10. Optimum algorithm for large deformation of simply - supported beam

    簡支梁大變形的優化演算法
  11. The optimum design method is utilized to design 12 - 5 - 48hb double - horse head beam pumping unit with rear horse head s outline of spiral of archimedes, and the optimum result is analyzed and compared with double - horse head beam pumping unit with rear horse head s outline of three - section circular arc and beam pumping unit

    用該優化方法對12 - 5 - 48hb型后驢頭為阿基米德螺線雙驢頭抽油機進行了優化設計,並對優化結果和后驢頭為三段圓弧的雙驢頭抽油機及游梁式抽油機進行對比分析。
  12. In fact, the structure of device decide the output power, efficiency and focusing magnetic. to adjust the parameters of the beam is to research the optimum output power of given structure

    實際上,器件的結構決定了rbwo的輸出功率、輸出效率以及聚焦磁場,調節電子注參數實際上是尋找一定結構下的最優化輸出。
  13. ( 6 ) according to the requirements of safety, serviceability and durability, a reliability - based optimum model of reinforced concrete beam with limited corrosion was presented. then genetic algorithm ( ga ) optimized the design parameters

    ( 6 )對允許鋼筋少量銹蝕的混凝土梁構件,根據結構安全、適用、耐久三方面的要求,建立了基於可靠度的耐久性優化模型,並利用遺傳演算法對其進行優化計算。
  14. Then, the beam orbit correction in bepcii lianc is simulated by optimum liar program and a design study on the optimum orbit correction system for bepcii linac is discussed. the optimum corrector ' s distribution and the required tolerances of misalignment of the linac components are given

    最後用改進了的liar程序對bepc直線加速器軌道進行模擬計算,討論了該校正系統的設計研究,並給出了軌道校正系統的優化布局和對加速器部件的安裝公差的要求。
  15. The effects of the beam parameters on the focusing are also discussed, and it is found that some of the parameters have optimum values which result in the strongest focusing of the probe beam

    進一步分析了光束初始參數對信號光聚焦過程的影響,發現選擇最佳參數值可提高光束的聚焦效率。
  16. In order to realize low half - wave voltage, high polarzation extinction ratio, low pigtailing polarization crosstalk, low insert loss, precise tapped power ( ratio ) and good splitting beam ratio, the optimum design was performed

    為了實現低的半波電壓、高的偏振消光比、低尾纖串音、低插入損耗、精確的抽頭功率比和良好的分束比,我們對器件結構進行了優化設計。
  17. Abstract : in the light of the problems of high power consumption and low working efficiency in a beam pumping unit, a new method for power saving of the unit is proposed, that is, adopting an optimum structure of the unit and decreasing the periodic load coefficient of the pumping unit by changing the performance characteristics of the electric motor and by increasing the rotary inertia of the unit

    文摘:針對游梁式抽油機能耗大,工作效率低的問題,提出遊梁式抽油機節能的新方法,即在採用優化抽油機結構的基礎上,通過改變電動機的工作特性和增加抽油機轉動慣量的辦法降低抽油機周期載荷系數。
  18. The optimum configurations of opos are determined by the pump beam quality in nonlinear crystals

    Opo的最佳結構的關鍵取決于非線性晶體中的泵浦光的質量。
  19. Abstract : in the paper, the operation technology of electron beam evaporation plating aluminium - chromium alloy coating is studied the optimum technology is obtained by discussing the influence of votage, current on auter appearance, adhesion inner stress. the ingredients of coation and evaporation materials are analyzed, the results show that the chromium contents of coating are very different from that of evaporation materials, in the end, the corrosion - resistance of the coating consisting of different chromium contents is investigated

    文摘:本文研究了電子束蒸發鍍鋁-鉻合金塗層的制備工藝,通過討論不同的電壓、束流對膜層外觀、結合力、內應力的影響,確定了合適的陳鍍工藝,對塗層和膜料的成分進行了分析,表明塗層中鉻含量與膜料中鉻含量有較大差異,最後探討了不同含鉻量的塗層的耐蝕性。
  20. Then some methods including optimizing the spectrum and intensity of 3w1 beam line and improving the performance of pmma were put in force, and pmma structure with aspect ratio 100 was obtained under these optimum conditions. moreover, such steps as controlling ph, electrodepositing, using activator and a second cathode, and mending the power supply were taken to solve a series of problems coming into being during electroforming process correspondingly, for example, air holes, inner stress, and ununiformity of deposition

    並針對3w1光源中硬x光成分較多、光強和功率密度太高的特點,提出了用ni吸收膜改善光譜和用x光暫波器法優化光強的方法,同時嚴格控制和改善pmma光刻膠的性能,經過反復的計算分析和實驗改進后,獲得了深寬比高達100的膠結構圖形。
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