束限制器 的英文怎麼說

中文拼音 [shùxiànzhì]
束限制器 英文
beam-limiting device
  • : 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;...
  • : 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
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 限制 : place [impose] restrictions on [to]; astrict; restrict; limit; confine; shut down on [upon]: 限制...
  1. It is well known that nonlinear self - focusing effect is one of the important factors to limit icf laser energy and worsen beam quality

    實踐表明,非線性自聚焦效應是icf驅動激光輸出能量及破壞光質量的主要因素之一。
  2. The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly

    暈?混沌的控是新一代強流加速研製的關鍵問題,隨著強流離子應用前景的日趨廣闊而日益成為研究的熱點。傳統機械因無法解決暈的再生而收效甚微,因為暈的形成有著其內在動力學機?非線性共振以及混沌等。基於此,中國原子能科學院研究員方錦清將混沌控的理論和方法開創性的運用於暈?混沌的控上,提出了控暈?混沌的非線性控策略,即在粒子徑向所受自生場力方程的右邊加上非線性控函數g :並選取一些非線性函數如等進行了控的模擬研究,將暈強度控在0 . 1078左右,取得了初步的控效果。
  3. Nonlinear model based predictive control ( nmpc ) not only is a valuable approach for solving practical control problems, but also is the frontier of nonlinear control theory. the perceptible successes of mpc strategies can be attributed to several factors including its inherent ability to handle input and output constraints, time delay and incorporation of an explicit model of the plant into the optimization problem. this dissertation discusses two kinds of nonlinearity ( or nonlinear system )

    本文沿著理論研究與工程實際相結合的設計思路,較為系統和全面的研究了非線性模型預測控理論,提出改進新演算法;探討了非線性模型預測控理論在自主水下航行系統設計中的應用,豐富和發展了模型預測控理論,本論文的主要工作及意義有以下幾個方面: 1 )從工程應用的角度研究有域無終端約廣義預測控穩定性充分條件,為有約廣義預測控穩定性研究奠定了基礎。
  4. In high - power solid - state lasers, self - focusing is the major factor for degradation of laser beam and limits the maximum laser power available. as stated in lowrence livermore national laboratory ( llnl ) reports, self - focusing, especially small - scale self - focusing, has always been a significant problem in the total design, engineering development, and safe operation of fusion lasers

    在用於慣性約核聚變( icf )的高功率固體激光驅動中,自聚焦是使光質量變壞和輸出功率的主要因素,正如美國勞侖斯?利弗莫爾國家實驗室( llnl )的報告所述,自聚焦,特別是小尺度自聚焦,是聚變激光總體設計、工程研製和安全運行的重要問題。
  5. This method is easy to implement and has no restriction on array geometry and sensor patterns ; three methods for the design of broadband frequency invariant beamformer are proposed, which are the method of resampling signals received by the array, the dft ( discrete fourier transform ) interpolation method and adaptive synthesis method, respectively. examples and performance analyses are given for each method ; a simplified linear constrained minimum variance broadband adaptive algorithm that based on dft interpolation method is presented. compared with conventional broadband adaptive algorithms, the presented method can reduce computation work greatly

    提出了一種簡單、易於實現的恆定寬波形成設計方法,該方法對陣形和陣元指向性沒有任何;分別提出了基於陣列接收數據重采樣、基於dft插值和自適應綜合的三種具有頻率不變波圖的寬帶波形成設計方法,對于每一種設計方法都給出了一個設計實例並做了性能分析;提出一種基於dft插值的簡化線性約最小方差寬帶自適應陣列演算法,該方法可以大大降低自適應陣列的運算量。
  6. A collinear acoustooptic - deflector of pronton - exchanged linbo3 channel wave - guide is studied. the theoretical analysis, structure design and device fabrication of linbo3 pronton - exchanged acoustooptic wave - guided deflector have been finished in this thesis. the width of wave - guide, the width, spacing, effective aperture and width of electrode of interdigital transduces have been theoretically analyzed and designed

    本論文研究了一種質子交換linbo3溝道波導共線式聲光偏轉,其特點是利用了溝道波導的橫向約了聲波的發散和衍射效應,使得窄孔徑電極結構得以實現,從而增加了功率密度,使總的聲場驅動功率降低。
  7. The experiment was performed at the accelerator mass spectrometer ( ams ) beam line on hi - 13 tandem accelerator of ciae using the 64cu off - line rnb, so the beam can be analysed and identified by static deflection technique of ams. limited by the deflection capacity of the electrostatic analyser of ams, the maximum incident energy of 64cu beam had to be restricted to 80 mev in the coulex experiment of 64cu off - line rnb

    實驗是在中國原子能科學研究院hil串列加速加速質譜( ams )管道上完成的,利用ams靜電偏轉技術來分析鑒別流成份,但是受ams管道靜電分析偏轉能力的,在離線放射性核中最高只能使用入射能量為80mev的的cu
  8. Because of the limitation of the measuring condition, in the thesis we had only measured some characteristics of the phase modulator : channel waveguides " loss coefficient is 0. 22db / cm, the split - ratio is 52 / 48 and half - wave voltage is < 5v

    由於條件所,論文中僅測量了直波導損耗系數、相位調的半波電壓和輸出分比。經測量,半波電壓小於5v ,直波導損耗系數為0 . 22db cm ,輸出分支比為52 48 。
  9. In the aspect of the time - optimal control algorithm, with the special trajectory, a method for seeking scalar velocity bound curve and scalar acceleration limit has been proposed, which fully considered the dynamics nonlinear

    在機人時間最優控演算法方面,提出一種在特定軌跡約下尋求標量速度邊界曲線和標量加速度極分佈的方法,其充分考慮了機人動力學的非線性因素。
  10. The following browser types are supported, subject to constraints noted in the description column

    以下是支持的瀏覽類型,它們受「說明」列中所註明的約
  11. The rbf network has a better performance, and better forecasting accuracy. then mathematical model of substation voltage / var control is constructed, the squares minimization of voltage differences as target, also considering requirement of voltage and power balance, taking it into consideration that the magnitude constraint of transformer ratio and compensating capacitor, also that constraint of operation times of one day transformer tap and capacitor switch

    因此提高了學習性能,具有較好的預測精度。然後,建立變電站電壓無功控的數學模型,考慮電壓的調壓要求和無功功率平衡,計及變壓變比和並聯補償電容的上下,變壓分接頭和電容允許的日調節次數的,以電壓偏差的平方和最小為目標函數。
  12. Finally, the article proposes some views on prevention management of acquisition risks and brings forward some suggests on acquisition policies : the budget items should adhere to principle of rigid as well as stretch. it is essential to strengthen risk education in course of personnel capability training. founding centralized administration system of arms and equipment

    最後,文章對我軍武裝備采辦項目實行風險預警管理進行了分析,並提出了降低我軍采辦風險的幾點政策建議:費用預算堅持剛性與彈性相結合;人才培養過程充分體現風險教育的內容;建立集中統一的武裝備管理體;完善武裝備采辦的法律監督和約;實行有度的市場競爭;加強國際間的武采辦合作。
  13. High power semiconductor lasers are widely used in communication, surgery, military, printing and optical pump. but for traditional laser, the output optical power, which is increased by increasing the injecting current, will be limited by the electro - thermal destroy and the catastrophic optical damage ( cod ) at high optical power

    大功率半導體激光在光通訊、醫療、軍事、印刷和光泵浦等領域有著廣泛的應用,然而當通過增加註入電流提高傳統半導體激光的光出功率時,要受到電熱燒毀和光腔面災變性損壞( cod )的
  14. A micro - controller based on 89c52 and lm629, lmd18200 is presented in the paper. with the help of the motion controller it not only simplifies the design of the hardware and the software of the control system but also enhances its reliability and performance. it is help to shorten responsive time, upgrade precision, and easy to realize automation and digital control

    給出了以89c52為核心,輔以lm629 、 lmd18200等晶元構成的運動控子系統,不僅簡化了子系統軟硬體設計,提高了系統可靠性,減輕了設計工作量,而且提高了子系統性能,使得控系統反應快,控精度高,容易實現自動化、數字化控
  15. A serious factor, which influences on limiting energy characteristics of the modem large laser facilities for realizing inertial confinement fusion ( icf ), is an appearance of destructive effects in the frequency conversion crystals of large aperture placed in to the beams

    在為實現慣性約聚變( icf )而進行現代大型激光驅動的設計時,能量特性的一個關鍵因素,就是光路中大口徑諧波轉換晶體上所出現的破壞性非線性效應。
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