點分佈函數 的英文怎麼說
中文拼音 [diǎnfēnbùhánshǔ]
點分佈函數
英文
point spread function- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 函 : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
- 數 : 數副詞(屢次) frequently; repeatedly
- 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
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Since the function is cubic, four nodal quantities are required to define the distribution on a side.
因為函數是三次的,所以需要4個結點未知數確定每邊的分佈。Under the assumption of linear ocean waves, and in the light of the theoretical framework about the probabilistic distribution of wave characteristics ( sun fu 1988 ), several probabilistic distributions of wave characteristics that is necessary for the estimation of breaking probability and whitecap coverage are derived. afterwards, the models of breaking probability and whitecap coverage are set up with these distributions in addition to the kinematical criterion
在線性海浪假設下,基於孫孚( 1988 )關於三維海浪要素統計分佈的理論框架,具體給出二維海浪波峰處質點水平速度和表觀相速的聯合分佈等分佈函數,在此基礎上,根據運動學判據,分別建立起風浪破碎率和白浪覆蓋率的理論模式。In the model of on - resistance, we have considered the lateral doping distribution in ldmos channel and vertical doping distribution in drift region. then we provide the explicit dependence between on - resistance and doping distribution parameter
導通電阻模型考慮了ldmos的溝道橫向雜質分佈和漂移區雜質縱向分佈的結構特點,給出了導通電阻與雜質分佈參數的明確函數關系。The randomicity and relativity of the selection of the referrence of the zero potential was discussed, also mentioned were two rules obeyed in a few special cases and the particularity of the potential distribution function
摘要闡述電勢零點選擇中應注意的幾種特殊情況和應遵循的兩個法則,以及電勢分佈函數的特殊性等問題。In this paper, the waterway curve plane function is established with move fit method to calculate the depth value of grid points, and in part fields linear method is adopted because of the distributing scrambling of waterway measure points. as a result of the use of two methods, not only the calculating precision is high but also the calculating speed is very fast
本文選用移動擬合法建立航道曲面函數,插值計算航道測量區網格點的深度值,並且根據航道測量點分佈的不規則性進行了優化,即在測量點稀少的地方運用了線形內插法代替移動擬合法來進行插值計算,兩種插值方法的合理結合,不僅保證了插值的精度,特別是提高了插值的計算速度。The main parts are as follows : 1 ) at the base of the fabrication methods, the photosensitivity of optical fiber and the uv laser sources are introduced simply, the diffraction characteristics of phase mask are analyzed to get the distribution of refractive index in fiber grating, referent the paper [ 4 ] ( delivered )
全文概括如下: 1 )從常用的製作方法出發,簡單介紹了光纖光敏性和成柵光源,重點分析掩模板的衍射場,從而獲得理想情況下光纖光柵的折射率分佈函數,參考已投論文[ 4 ] 。The theoretical results showed that point spread function ’ s distribution and the stray light mainly influenced the space resolving power and the measurement precision of the temperature measurement system, so we supposed some methods, which can improve the space resolving power, and the results proved the space resolution improved from 37 m to 16 m. 2. having made the space resolution come to 16 m, in order to improve the space resolving power more, we used image reconstruction method to reconstruct the
利用這兩種方法,可以將測得的溫度場分佈中被點擴展函數卷積鈍化掉的部分復原回來,實驗測得微小面元溫度分佈在復原后溫度最高值高於復原前最高值,且分佈曲線變窄,較好地提高了系統的空間分辨能力,最終得到真實溫度分佈的最佳估計。The purpose of this work is to improve the space resolving power of the temperature measurement system for small laser - processed region. the main conclusions and contributions are as follows : 1. after expatiating upon the principle of radiation thermometry, we mainly discuss the effects on the space resolving power and the measurement precision of the real - time temperature measurement system by some factors
本文的工作就是圍繞輻射測溫系統空間分辨能力的提高技術展開的,主要的研究結果和創新之處如下: 1 .在闡述不接觸測溫原理的基礎上,討論了影響空間分辨能力及測溫準確性的兩種因素? ?強度點擴展函數有效分佈、進入系統中的雜散光。When awg regarded as space unchanged linear system, an analytical solution of out - waveguide field is obtained by using the impulse response function. the crosstalk transformation on account of apertometer and waveguide spacing is also obtained by numerical calculation
本文還將awg視為空間不變線性系統,使用點擴展函數的方法,求出awg系統輸出分佈的解析式,通過數值計算得到串擾與數值孔徑及其波導間距的關系。In this paper, we study the nonparametric statistical inference for one distribution change point
摘要本文研究了連續分佈函數變點的非參數統計推斷問題。Firstly, sp supposed to be generated by point curl source which is the border of dipole layer rather than the line dipole layer in section view, then, curl source scanning function is given, and image is retrieved by probability tomography approach
首先把剖面上偶極層的線分佈產生的場看作是偶極層的邊緣旋度源的點分佈產生的場;然後給出旋度源的掃描函數,用概率成像方法對旋度源進行成像。While for colored phase fluctuation, the number of extremum in the steady state distribution is changed from one to three directly
而色噪聲位相漲落情形下,定態分佈函數的極值點由一個直接變為三個。The second aspect : from qgp kinetic equations with collision integrals, by using the relaxation time approximation, we calculate the distribution functions to the second order correction. we obtain the distribution functions for quarks ( and anti - quarks ) and gluons under perturbation of the fluctuation of the color field. then in the high - temperature - low - density area, we discuss the characteristics of the distribution functions, and use t hem to get the net baryon density and the energy density
第二,從有碰撞項的qgp動力論方程出發,忽略自旋,在色漲落擾動下,利用弛豫時間近似,得到夸克和膠子分佈函數的二級修正,通過數值分析重點討論了高溫低密情況下qgp中成分粒子分佈函數的特性,並且由分佈函數得到凈重子數密度和能量密度。The distribution for function of variables is an important but difficult to be mastered course
摘要隨機變量函數的分佈是數學系概率統計課程教學中的一個重點和難點。In this paper, various previous brdf models, which include empirical models, geometrical optics models and theory models, are summarized and their merits and demerits are analysed. both shadowing function and facet distribution function as statistical characters of rough surface are discussed besides simpled fresnel reflectance function
本文首先總結了前人提出的各種目標表面brdf模型? ?經驗模型、幾何光學模型、理論模型等,分析了這些模型的優缺點,論述了隨機粗糙表面幾何光學統計特性? ?遮蔽函數、小面元分佈函數,簡化了菲涅爾反射函數。Basic index and reliability principle of steel structure, and geometric significance are analyzed. the main computation methods, such as two order moment method, separation function and separation item coefficient, linear separation, and central point, check point, monte - carlo are presented. reliability analysis under relative variable, boundary determination ( single and double boundaries ) is analyzed
研究了鋼結構可靠度基本原理、可靠指標的幾何意義,分析了鋼結構可靠度計算的一次二階矩方法、分離函數和分項系數法、線性分離法,以及中心點法、驗算點法、蒙特卡羅( monte - carlo )法,提出了變量相關情況下的結構可靠度分析方法、可靠度界限分析方法(單側界限與雙側界限) ,基於極值分佈的可靠度分析,並對鋼結構動力可靠度分析方法進行了初步探討。( 4 ) the basic principle of maximal entropy is used to a cosmic gravitational system and we find that the observed result of two - point and three - point galaxy correlation functions in the universe is agree with an equilibrium assumption of mass distribution. a generalized statistical mechanics is also utilized to improve our result
( 4 )利用最大熵的統計物理原理證明宇宙中星系的兩點和三點相關函數與質量分佈的平衡假設是一致的;同時,利用廣義統計力學進一步改進了我們的結論。Comparison of the folt induced by colored noise in intensity and phase fluctuations shows that the number of the extremum in the steady state distribution is changed from one to two, and then to three successively for colored noise intensity fluctuation
對色噪聲強度漲落和色噪聲位相漲落誘導的一級相變類比進行比較表明,色噪聲強度漲落情形下,定態分佈函數的極值點由一個變為兩個,再變為三個。There are many difficulties in target calculate curse, such as choosing physical parameter of target material, how to input the corresponding parameter and choosing coolant parameter etc. in the next studying, we need further consider power ' s distributing function with target structure and target material parameter diversification for irradiate damage
在靶件的計算中有如下難點:靶件材料物理參數的確定、程序中相應參數的輸入、冷卻劑的選取以及物理參數的選取。在後續工作中,我們還需進一步考慮中子產生靶區的功率分佈函數,輻照損傷對靶材熱工參數的影響程度等等。The location of zeros of some polynomial functions on conditions
一類多項式函數零點分佈問題分享友人