详细介绍了卷积编码的图解法和解析表示；图解法包括：树状图、状态图、网格图 解析法包括：矩阵形式、生成多项式形式 -Detailed graphical method for convolution coding and resolve graphical method including: tree diagram, state diagram, grid chart analytical method include: matrix form generator polynomial

symbian 自绘制的控件，有listbox、Calendar、Grid、Tr-symbian custom controls, listbox, Calendar, Grid, Tree