Analyses how to apply and manage rsm in integrated missile design , and design an approximation modeling tool 對(duì)響應(yīng)面模型在導(dǎo)彈總體設(shè)計(jì)中的應(yīng)用和管理進(jìn)行了分析,設(shè)計(jì)了近似建模工具。
So we adopt some approximation modeling method for reducing the complexity of optimization design and cut down the quantity of computation 為了降低問(wèn)題的復(fù)雜復(fù)雜程度,減少計(jì)算量,需要采用一定的近似建模方法。
The thesis studies the generalized rough set models and proposes a multi - level rough set approximation model cbm - rs based on a covering of the universe 作者研究了粗糙集擴(kuò)展理論,提出了一種多層粗糙集模型cbm - rs 。該模型是一種基于覆蓋的擴(kuò)展的多層粗糙集模型。
Finally , an approximation modeling tool in prototype of optimization system was implemented , and demonstrate the capacity of approximation optimization in this system using an application example 最后在導(dǎo)彈總體一體化集成優(yōu)化平臺(tái)原型系統(tǒng)中設(shè)計(jì)開(kāi)發(fā)了近似建模工具,并用一個(gè)算例演示了該優(yōu)化系統(tǒng)的近似優(yōu)化功能。
The shifts of absorption edge of nanocrystsls compared with that of bulk have been calculated by means of effect - mass approximation model . the calculation and experimental results looked almost same 用有效質(zhì)量近似模型( ema )計(jì)算了半導(dǎo)體納米晶體的吸收邊相對(duì)體材料的移動(dòng),并將理論結(jié)果和實(shí)驗(yàn)結(jié)果進(jìn)行了比較,兩者相符較好。
Especially , the approximation model methods can be applied to the aerodynamic optimization design instead of the time - consuming computational fluid dynamics ( cfd ) analysis to shorten the design process and reduce the computational cost 在氣動(dòng)優(yōu)化設(shè)計(jì)過(guò)程中,用該模型取代耗時(shí)的高精度的計(jì)算流體動(dòng)力學(xué)分析,可以加速設(shè)計(jì)過(guò)程,降低設(shè)計(jì)成本。
To reduce huge computation of the traditional stochastic optimization methods for engineering optimization , approximation model methods with acceptable accuracy for engineering design are developed based on the statistical theory 摘要針對(duì)在工程中完全采用隨機(jī)類優(yōu)化方法尋優(yōu)時(shí)計(jì)算量過(guò)大的問(wèn)題,應(yīng)用統(tǒng)計(jì)學(xué)的方法發(fā)展了計(jì)算量小、在一定程度上可以保證設(shè)計(jì)準(zhǔn)確性的近似模型方法。
The major work and innovation of the dissertation can be concluded as following four aspects : we systematically study response surface models based on the approximation modeling method , and discuss the element which is important 論文的主要工作和創(chuàng)新點(diǎn)可以歸納為以下四點(diǎn):在對(duì)近似建模方法進(jìn)行研究的基礎(chǔ)上,系統(tǒng)地研究了響應(yīng)面模型,并對(duì)響應(yīng)面模型的構(gòu)建要素進(jìn)行了討論。
In order to propose an efficient solution to approximating smooth or rough curves and surfaces . this thesis gives the fractal approximation models . we also give the satisfactory application of m odels in morphing 為了統(tǒng)一逼近光滑曲線曲面與具有分形特征的自然界復(fù)雜曲線曲面,本文研究了基于投影迭代函數(shù)系統(tǒng)模型的曲線曲面的統(tǒng)一分形逼近模型,并進(jìn)一步給出了此模型在曲線曲面變形中的應(yīng)用。
The thesis also discusses the thermal blooming and physical of the heat halo produced by intense laser . the thesis emphasizes on otf and psf of atmospheric turbulence . taking three screen systems as the example , we get the ideal approximation model , especially the short - exposure otf 并介紹了強(qiáng)激光產(chǎn)生熱暈的理論模型及其物理特性機(jī)理,重點(diǎn)介紹湍流大氣的otf和psf ,以三種屏系統(tǒng)為例,得到湍流大氣的理想近似模型,特別是短曝光otf 。