0前言在现代生产中,如果仍然采用简单仪表,分散的,甚至是人工的方法对产品进行检测、控制,显然已经不能适应企业列生产效率和生产效益的需要。近年来,随着科学技术的迅速发展,人们对产品质量的控制手段不断得到加强,人们利用传感、电子、通讯、网络、数据处理等领域的先进技术, 0 Introduction In modern production, if still using simple instrumentation, decentralized, or even manual methods of product testing, control, apparently can not meet the needs of the enterprise production efficiency and production efficiency. In recent years, with the rapid development of science and technology, people have continuously strengthened their control over product quality. People use advanced technologies in the fields of sensing, electronics, communications, networking and data processing,