算法

Secondly, the basic raster graphics algorithms for drawing 2D primitives are introduced, including self-adaptive algorithm of single line, edge coherence and scan-line algorithm of triangle, brush algorithm of thick line ( and its improved method) and advanced algorithms of circle and ellipse;

然后，介绍了现有的基本图形生成算法，包括直线的自适应算法、三角形边相关扫描算法，宽直线线刷子算法及改进的圆形、椭圆的生成算法，同时讨论了加速算法的研究现状；

It can utilize the learning result of previous step during the training process, which can accelerate the training process of traditional BP algorithm.

算法研究&对各种网络模型算法作出比较后，采用一种基于传统BP算法的改进算法，即在计算过程中引入动量项a项以利用上一步学习结果，加快了传统BP算法的学习速度。

From algorithm structure and algorithm principle, the equivalent of both NPF and Kalman filter is demonstrated to establish the theoretical basis of NPF algorithm.

从算法结构和估计准则两个方面，论证了NPF算法与Kalman滤波算法的等效性，奠定了联合式NPF滤波算法提出的理论基础，研究了联合式NPF方案的算法实现过程。