散束系數 的英文怎麼說

中文拼音 [sǎnshùshǔ]
散束系數 英文
debunching factor
  • : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
  • : 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;...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. The defect of this kind of literary style is that do not there is not close connection between incident and incident, just appeared successively according to the order of time, made the structure of the works seem loose, it is difficult to form the whole effect ; at incident prosily, it narrates scarce to change rhythm static behavior describe have enough and to spare and work up insufficient sense, it was the history living dramas of static historical pictures but not a scene curtain with all linked with one another ring that reproduced out ; regarded incident as the centre, in people s discipline history, dredged and left literature to announce the aim of the question of life

    作為一種敘事文,回憶錄的寫法理應不拘一格,但事實上大多作者都是採取的無技巧筆法,也就是一個接一個地敘述事件直至結,其間加入自己對歷史的感受和思考。這種寫法的缺陷是事件與事件之間沒有緊密的聯,只是按照時間順序先後出現,使作品結構顯得鬆,難于形成整體效應對事件平鋪直敘,敘事節奏缺乏變化,靜態描述有餘而動感不足,再現出的是一幅幅靜止的歷史畫面而非一幕幕環環相扣的歷史活劇以事件為中心,以人紀史,疏離了文學揭示人生問題的宗旨。
  2. The equation for the quasi - continuous atom laser beam wave - function is given by schrodinger equation, the beam width, divergence curvature radius and quality factor were introduced to represent the atom laser beam whose transverse potential could be separated. for the conservative quality factor system in some direction, we can ge t the propagator of abcd formulation

    本文在含時量子統傳播子的abcd形式理論的基礎上,引入某一方向的寬、發角、曲率半徑和品質因子等光傳輸參來表徵橫向勢能滿足x和y分量相互獨立的原子激光的傳輸。
  3. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究,提出了一列可供參考的據:確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角;討論了第二準直器的尺寸和發,以及使用第二準直器造成的強度損失;給出了在不同單色器反射面、起飛角、中子波長和第一準直器發度的情況下樣品處的中子注量率,以及多種組合情況下譜儀的解析度曲線;對限方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。
  4. On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained

    推導了最佳陣元分佈方程,分別對陣元無方向性和等加權時的最佳分式陣列? ?指間隔陣列和採用廣義升餘弦加權的最佳分式陣列進行了分析,推導了天線方向圖旁瓣包絡、波寬度,干凈掃描區寬度的估計公式,給出了近軸旁瓣電平與陣列參的關
  5. With the generalized algebraic riccati inequality ( gari ) approach, a sufficient and necessary condition for the existence of dynamic output feedback h controllers is presented, such that the resulting closed - loop sy stem is admissible with its transfer function satisfying h norm constraint

    利用廣義代riccati不等式,給出離廣義統存在正常動態輸出反饋h控制器,使得閉環統是容許的且其從外界干擾輸入到受控輸出的傳遞函矩陣具有h范的充分必要條件。
  6. The transmission amplitude expressed by green ? s functions is derived exactly for the case of one dimension, and the scattering amplitude for the three - dimension case is also given approximately by green ? s functions. with the analytical expressions of this scattering amplitude, we can illustrate the relation of the poles of the scattering amplitude and the bound states in a more generated way

    對於一維射給出了透射振幅的格林函表示,對於三維射近似給出了射振幅的格林函表示.利用射振幅的格林函表示,更一般性地說明了一維和三維情況下射振幅的極點與縛態能級的關
  7. The theory and experiment of measuring diffusion coefficients in terms of mr signal attenuation has been established for decades, but recent advance of diffusion tractography has enabled us, for the first time, to visualize and analyze the axonal fiber tracts in the living brain non - invasively

    其實,利用磁振訊號衰減量測到擴之理論與實驗已確立了幾十年,但近年來擴神經纖維造影的發展,第一次使我們能夠在活體非侵襲性的觀察和分析神經軸突纖維
  8. For the bundle with small number of fibers, the discrete common model is proposed by building a 60 coordinate system ; for the bundle with large number of fibers, the integral common model is proposed by introducing a parameter called distribution density of the distance between fiber axes ; furthermore, the model of combined fiber bundle sensors is introduced

    對于小目光纖組成的光纖,通過建立60角坐標來分析不同排列形式的光纖,建立了離式通用模型;對于大目光纖組成的光纖,通過引入軸間距分佈密度參量,建立了積分式通用模型;進而給出了組合式光纖傳感器的模型。
  9. Imev and the data in which the energy respectively is 166mev 139mev, 104mev, 90mev. on the basis of two wave functions and two optical potentials above mentioned, we have investigated a serie s of knockout reactions : through the comparing of two wave functions and two optical potentials, we find that two a cluster relative vave functions which contribute to the energy sharing results of the reaction sections are very well, especially for the ; that the received spectroscopic factors used vfm ( r ) are better than that used ; that the former not only suits to the elastic scatterings but also to the knockout reactions ; that the a cluster of knockout reactions are its local behaviors of surface. and we further testify that the distorted influences are not neglected if the incidence energies are not very high, but can be used the plane wave impulse approximate method and neglect the effects of the distorted influences if the incident energies are high enough

    在利用上述的兩種縛態波函和兩種光學勢的基礎上,我們研究了一列的敲出反應:通過對比兩種縛態波函和光學勢,我們得到的結論是:兩種縛態波函和光學勢對反應截面的能量分配譜的貢獻都比較好,但尤以波函_ ( li ) ( r )為佳;光學勢v _ ( clu ) + ( r )得到的光譜因子比用woods - saxon勢v _ ( ws ) ( r )的結果要好,它不僅能適用於彈性射,且對敲出反應也能得出比較好的結果;集團的敲出反應是集團表面局域性的表現:在中低能的入射條件下,扭曲效應不能忽略,但入射能量較高時,扭曲效應影響較小,可以用平面波沖量近似的方法。
  10. Under our task experimental condition, we calculated the sensitivity of our planning to develop dial system with direct detection, besides, we studied the relationship between the sensitivity of measurement and atmospheric refractive - index structure constant and applied matlab program simulated the system parameters such as beam diameter, laser divergence angle, detection distance and gained relevant relationship curves

    在課題實驗條件下,模擬計算了直接檢測dial統的測量靈敏度。在考慮大氣折射率結構常統測量靈敏度影響的基礎上,並對各種統參如光半徑、角和探測距離對測量靈敏度的影響運用matlab程序做了模擬計算,為合理選擇統設計參提供了依據。
  11. 2 ) systematically introduced parameter estimation of distributed sources on the base of models, including the maximum likelihood estimate, least squares estimator, dspe, dispare, etc. 3 ) studied four low complexity algorithms : one order approximation, two point sources approximation, traditional beamforming and relax of parameter estimation

    2 )在模型基礎上統地介紹了已有分式目標參估計方法,包括最大似然與最小二乘演算法, dspe和dispare演算法等。 3 )研究了四種低復雜度演算法:一階近似演算法、兩點近似的演算法、常規波形成演算法和relax演算法,這些演算法都是次優演算法,但計算量小,具有實用價值。
  12. By using auto - adjusting boundary conditions and the method of three cubed spline curve fitting, the system software can recover both of the horizontal and vertical beam profile. the measurement system can also measure the beam landing screen error of cpt. it provides a important measurement and analysis tool to improve the performance of electron gun and dy, and improve the definition of cpt

    統軟體中,提出了採用動態確定邊界條件,通過對離采樣點的三次樣條插值曲線的擬合恢復斑x和y方向的輪廓,本統既能準確客觀地描述電子輪廓,又能夠準確快速地測量電子著屏誤差等多種參,為cpt電子槍和偏轉統的性能改進與解析度的提高提供了有力的測試分析和研究手段。
  13. In this thesis, induced focusing in self - defocusing media is explored thoroughly by numerical method

    本文用值方法對自焦介質中的光誘導聚焦現象進行了統的研究。
  14. With the sample of the beam in high power multi - pass amplification, the three - dimensional mathematic model had been set up and the calculation method which functions well in solving these mathematic model is got, the computer simulation of the optical path is also realized

    通過對多程放大統的高斯光進行高密度典型光線取樣,建立雜光及鬼像分析的三維學模型,進而得出適合於求解這類學模型的計算方法,實現計算機光路模擬。
  15. We give ptr ' s amplitude and phase signal of one dimension based on the theory of ptr, discuss the ptr ' s signal ' s frequency characteristic, and a method for measuring thermal diffusivity of opaque materials is introduced. then, we study on anisotropic materials " thermal conductivity, the temperature field and thermal conductivity tensor of anisotropic materials is theoretically deduced from the theory of ptr, and is proved by the experiment

    從光熱輻射理論出發,推導出一維情況下ptr信號的振幅和位相表達式,討論了光熱信號的頻率特性,介紹了一種用ptr技術測量不透明材料熱擴的優化方法;接著研究分析了各向異性介質受調制激光輻照下產生的光熱信號,在理論上推導出各向異性介質的溫度場以及熱導率張量並給予一定的實驗驗證。
  16. To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed

    本文針對rp技術在醫學領域應用的需要,統研究了基於醫學斷層輪廓據的反求cad建模理論和方法: ( 1 )在基礎演算法研究部分,提出了簡單多邊形方向及點在多邊形內外判斷的新方法、三角b zier曲面片離的誤差控制定理和一種帶誤差約的b樣條曲線的自動光順方法; ( 2 )提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓據曲面重構方法; ( 3 )提出了一種稱為「虛擬測量」的曲面模型處理方法。
  17. A perturbation method by tight - binding approximation which provide the relation of phase constant and angular spectrum of fields of in - waveguide is presented. the strip width of phase constant can be given. on the other hand, the group delay - time due to the k dispersion in single - mode transmission can also be estimated

    提出一種利用緊縛近似的微擾法計算陣列波導的相位常與輸入光角譜的關,由此算出相位常的帶寬,並利用衍射方法估算單模傳輸中k色引起的群延時。
  18. Focusing on the problem of sound field of scattering due to the existence of tubes, the general mathematical model modeled according the condition of plant, and then the coefficient of sound scattering is resolved by using the method of inverse matrix, the functions of arbitrary configuration of tubes is got, the far field scattered pressure and near field scattered intensity of the unit of heat exchanger tubes is calculated, at last, the effect of soot cleaning due to the existence is analyzed

    論文根據爐內管的實際情況,建立換熱器管聲波射的通用學模型,利用迭加原理法求解模型中的待定射作用,得出任意布置管射聲場特性,並具體計算鍋爐換熱器管單元聲波射遠場聲壓分佈和近場壁面的聲強分佈,最後分析由於聲波的多重射作用而對聲波吹灰的影響。
  19. This thesis in theory deals with electromagnetic wave scattering by multilayered confocal and non - confocal spheroidal particles illuminated by gaussian beams, in which the main contributions are as follows : 1. in the case of multilayered confocal spheroidal particles, the scattered fields as well as the fields within each layer are obtained in terms of infinite series with spheroidal vector wave functions by using an appropriate expansion of the incident gaussian beam. by virtue of the boundary conditions, we write the set of equations for determining the unknown expansion coefficients and then solve it

    本文從理論上研究了多層共焦和非共焦橢球粒子對高斯波射,主要成果如下: 1 .我們研究了多層共焦橢球粒子對高斯波射,把入射高斯光,射場,各層橢球內的電場和磁場用適當的橢球矢量波函展開,應用電磁場邊界條件,寫出確定各展開的方程組,求出射場,進而求出射場及射截面。
  20. Chapter 2 : using a so - called variance matrix, we studied the propagation and the focusing characteristics of the paraxial light beams. the quantities characterizing the gross features for a paraxial optical beam, such as the beam width, the divergence, the curvature radius of the wavefront, the complex beam parameter q. and the beam quality factor, are related by using variance matrix

    第二章:闡述了常折射率介質中光的傳輸和聚焦,建立了表徵傍軸光總的特徵的量,如:寬、衍射發角、波前曲率半徑、復光q與變換矩陣的關,得到了光質量因子和變換矩陣行列式的定量關
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