English translation for "principal curve"

主曲线
助线

Related Translations:

principal moment:  主惯矩主矩

principal port:  主港主要港口

principal wife:  正妻；正室

principal bond:  主键

principal arch:  主拱

principal to:  principal本人对本人

principal road:  知路主要路

principal edition:  正本, 主版本(对航空版等其他版别而言)

principal paper:  主要文件

loan principal:  贷款本金

Example Sentences:

	1.	The high dimensional data can be projected to a curve and the accuracy of classification will be improved . a simplified algorithm of nonlinear principal curves called nonlinear principal poly line is developed and its effect for feature extraction of hyperspectral data is researched 研究了高光谱图像数据的非线性主曲线构造算法，该方法是对主成分分析的一种非线性扩展，用以把原始数据投影到空间曲线上，以便进一步对地物进行精确分类。
	2.	For the bands selection of hyper spectral image , an algorithm called selected projection pursuit is established and a quick calculating method is developed , the calculating speed is increased 80 ( the bands number of hyperspectral image ) limes . the nonlinear principal curves is researched , it is the nonlinear expansion of pca 针对高光谱图像光谱波段的最优波段选择问题，构造了选元投影寻踪算法，并为此建立了一种快速选元投影寻踪算法，使算法的速度提高将近80倍(波段总数的倍数) 。
	3.	In this paper , based on the notion of passing smoothly through the " middle " of data and analyzing sketch curve ' s character , i developed the concept of principal curve of sketch curve , and provide an adaptive algorithm by polygonal line for approximating principal curve 本文分析了徒手画曲线的性质，基于从徒手画曲线数据点“中间”穿过的思想，运用一乘距离，提出了徒手画曲线的主曲线( principalcurve )的概念，并提供了一种搜索该主曲线的折线逼近算法，自适应地得到主曲线。
	4.	The experimental results show that the gained curve using our algorithm is smooth and can capture original curve ' s character , remove the noise , represent drawer ' s intention . moreover , the points are relatively fewer that confirm the principal curve . all these suggested the practicality of the adaptive method in this paper 通过大量的试验证明，本文提供的算法得到的主曲线能抓住原徒手画曲线的特征，光滑流畅，去除了原曲线的噪声，反应绘图的愿望，并且确定该主曲线的数据点较少，充分体现了本文徒手画曲线自适应方法的实用性。

Similar Words：

"principal cubic root" English translation, "principal currency" English translation, "principal curvature" English translation, "principal curvature of a surface" English translation, "principal curvature radius" English translation, "principal cutting movement" English translation, "principal cycle" English translation, "principal database" English translation, "principal datum" English translation, "principal datum (pd)" English translation