Research and application of a new method of curve fitting 實(shí)驗(yàn)數(shù)據(jù)的曲線擬合方法及其應(yīng)用
It is a very effective method of curve fitting 用遺傳算法進(jìn)行數(shù)據(jù)擬合是一種行之有效的方法。
A method of curve fitting is pointed out based on neuaral network in the paper , and it solves detector spectral three primary color stimuli nonlinearity error problem 提出了一種基于人工神經(jīng)網(wǎng)絡(luò)的曲線擬合的方法,解決了探測器的光譜三刺激值非線性誤差問題。
The definition , application , key technology of the reverse engineering is summarized . based on the curve and the surface constructing theory of bezier , b - spline and nurbs , the methods of curve fitting and surface reconstructing are summarized , and the differences among these methods are compared . then each trait of them and their application in reverse engineering is summarized 在綜合設(shè)計(jì)制造領(lǐng)域中常用的bezier 、 b -樣條、 nurbs曲線、曲面的造型理論的基礎(chǔ)上,對曲線擬合、曲面重構(gòu)方法進(jìn)行比較,總結(jié)出各自的特點(diǎn)以及在逆向工程中的具體應(yīng)用; 2 .對線結(jié)構(gòu)激光測量原理及其獲取的點(diǎn)云數(shù)據(jù)的預(yù)處理、曲線擬合、曲面重構(gòu)、誤差評價(jià)方法等逆向工程造型過程進(jìn)行了研究。