The functions have the feature of convenience and effect developed by automation . the technique for processing scanning image of engineering drawings ensure obtaining clear and exact image . computer simulation and program development illustrate that applying neural network in character recognition can achieve satisfaction effects 提出的采用automatfon技术实现的系统功能具有简便、有效的特点，扫描图纸的处理过程中所使用处理技术为获得清晰、准确的图纸图像提供了保障，采用人} _神经网络的字符识别方法经过仿真实验与程序设计，证明有良好的效果。
