形狀因子 的英文怎麼說
中文拼音 [xíngzhuàngyīnzi]
形狀因子
英文
form factor-
The maximum of the piezoelectric constant d33 is 68pc / n when the volume fraction of pzt, pvdf, pan is 0. 55, 0. 45, and 0. 05 respectively. finally, when the n, a, p are 6, 0. 6, 0. 3 respectively, the calculation value can agree well with the experimental data
而且經過理論計算與比較,當以下三個參量取下列值時,即陶瓷顆粒形狀因子n = 5 、極化率= 0 . 6 、結構因子q = 0 . 3時,實驗數據與理論計算吻合較好。Shape factor of cross - section
截面形狀因子The influence of shape factor of granular on nonlinear susceptibility in random nonlinear composites
非線性復合材料中組份顆粒形狀因子對非線性極化率的影響When the plane was heated, observation showed that the shape factor increased from 1. 5 to 2. 6 ; the mean velocity profile departed from the law of the wall ; the inertial subrange in the energy spectra curves disappeared ; the intermittent phenomenon occurred
發現在加熱的情況下,邊界層的形狀因子由1 . 5上升至2 . 6時均速度廓線中的平衡湍流層消失以及速度能譜中慣性子區消失等變化。The theoretical formularies of invary amplitude, the form factor of nucleons a and differential cross sections are given about this process
我們寫出了原子核a的形狀因子以及此類反應的散射振幅和微分截面理論公式。Beyond this research, we perform realistic synthesis of virtual objects and real scene by taking radiance approach. here, we use monte carlo method to compute form factor, and fast hierarchical radiance to reach realistic synthesis
在此基礎上,進行基於輻射度方法的虛擬物體與真實場景合成技術研究,採用montecarlo方法進行形狀因子計算,並用快速層次輻射度方法實現了合成。Hence designers can adjust the shape of curves by changing not only control points but also shape factor. our experiments show that h - bezier model approximate to the control polygon more closely than bezier model. so they are suitable to shape design and modeling in cad systems
而且h - b zier曲線還引入了一個稱為形狀因子的參數,形狀設計者不僅可以像b zier曲線一樣通過調節控制多邊形來控制曲線形狀,而且還可以調節形狀因子來調整曲線對控制多邊形的逼近程度Nurbs curve equation contains two shape parameters, i. e. control convex and the weight factor
Nurbs曲線方程包含了兩個形狀因子:控制頂點和相應控制頂點的權因子。The change of big pore section shape has more influence on soil water movement, but in small pore channels, the influence is small, in addition of pore section shape, it can get better prediction of unsaturated hydraulic conductivity
粗大孔隙通道的截面形狀及變化對水分運動影響較大,較細空隙通道截面的形狀對水分運動影響較小。修正孔隙截面形狀對水分運動的影響,進一步考慮孔隙截面形狀因子對土壤水分運動的影響,可以得到對土壤水分運動參數更正確地預測。The compact algorithms for heat release from floor, indoor thermal environment, control characteristic and energy efficiency of room with imbed pipe floor heating system were studied in this dissertation. the heat release from floor is key nodes in designing of imbed pipe floor heating systems. the existing plate fine model is corrected to improving its accuracy by amending the temperature of fine root
文中對原有的平面肋片簡化演算法採用了肋基溫度修正,提高了其計算準確度;根據埋管低溫熱水輻射地板結構特點,利用地板導熱形狀因子計算地板當量熱阻,首次提出了更為簡便的當量熱阻演算法,該演算法將影響地板傳熱的物性參數和各種結構參數歸結到當量熱阻中,方便於工程分析和計算。Dependence of form factors of 0 transition to the finiteness of the resonance widths
0躍遷的形狀因子對共振態譜有限寬度的依賴性It takes advantages of modern computer to fit all the experimental information, hence a very powerful pwa method. in this thesis, we use this method to analysis hadrons japdecay model jap - > ( ptt - tr + and j p radioactive decay model based on the pwa amplitude, we received mass distribution of two outgoing pious and angle distribution of the outgoing particles using the cern program. finally we compared tow different form factors ( barrier factors and gauss factor ) wh ich were always used the calculating of pwa amplitude
本文採用這種分析方法給出的j強衰變j ~ - ~ +和j粒子輻射衰變j ~ - ~ +分波振幅公式,利用cern的蒙特卡羅模擬程序繪出了末態粒子的角分佈和不變質量分佈,對分波分析中常用的兩種動力學形狀因子(中心位壘因子和高斯壓低因子)進行了研究比較。1. firstly, the mathematical model of fiber pair with the factors of reflector shape and inclination is established. then, the numerical simulation is fulfilled, along with a series of rules of the influence on intensity modulation property caused by multimode fiber parameters, the factors of reflector shape and inclination
然後,採用數值模擬的方法系統地研究了多模光纖參數(包括光纖對軸間距、光纖芯徑和光纖數值孔徑) 、反射面傾斜因子以及形狀因子對rim - fos強度調制特性的影響規律。A measuring technique of geometric accuracy for the cross - sectional contours based on their shapes and centroids is presented, and the feature points are generated according to the offset value of each segment of a cross - sectional contour
摘要以切層輪廓的形狀因子和幾何形心作為輪廓精度的評價參數,根據各輪廓邊的偏置量自動拾取輪廓的特徵點,尤其適合得到具有復雜形狀的切層輪廓特徵點。The calculation of b transitions form factor
躍遷形狀因子的計算By calcaulating, it is shown that the form factor is very sensitive to the section when the momentum transfer is bigger
結果表明:反應在大動量轉移的情況下,形狀因子對截面的影響比較明顯。There are charge distribution of the nucleons a which is not a point, thus, in our invariant amplitude the form factor of nucleons a will come spontaneously, the cross section will be much imfluenced by the form factor
由於在反應中原子核a為有大小電荷分佈的粒子而不是點粒子,從而在計算不變振幅過程中會出現形狀因子,這會對所計算的散射截面有很大的影響。The micro boundary layer experiment is carried out from 8mm to 14mm of a 15mm - long micro plane. re numbers vary from 35, 000 to 150, 000 and 4 different mach numbers are selected. some new characters are discovered, such as velocity curve factor is smaller than that of well developed normal scale turbulence boundary layer
微尺度平板邊界層實驗選取從總長度為15mm的微平板前緣8mm到14mm之間的7個站位, 4種馬赫數, 13個不同雷諾數(從35000到150000 )的實驗狀態,發現了該尺度下邊界層流動的一些新的特點,如形狀因子比常規大尺寸下充分發展湍流狀態的形狀因子更小等。Based on the processed images, we can do the further computerized quantitative measure of parameters including area, perimeter, integrated optical density, average diameter, shape factor, number of bifurcation and end points, etc. our self - developed and localized system has a reliable property and a high ratio of performance and cost proved by our experiment
對感興趣區域內的目標自動測量參數,如:面積、周長、綜合光密度、平均直徑、形狀因子、三叉點、端點等。與其它類似系統相比,本系統具有性能穩定,開發成本低,技術性能價格比高的優點,成為國內醫務人員易於掌握與使用的醫學應用系統。This paper presents an algorithm of moving region detection based on chroma, which is able to cope with varying illumination and shadow problems, and refines the detection results with morphology, by marking each moving region in the binary image, the geometrical features parameters such as area, perimeter and form factor can be extracted, which lay the foundation for the analysis and track of moving target
摘要提出了一種基於色度的運動區域檢測演算法,利用像素的色度分量進行檢測,克服了亮度變化和陰影的影響,並利用形態學方法對檢測結果進行后處理,對處理后的運動區域進行標記,提取每個區域的面積、周長、形狀因子等幾何特徵參數,為運動目標後期的分析和跟蹤奠定了基礎。分享友人