电子舌是以多传感器阵列为基础,利用传感阵列测定液体样品的特征响应信号,通过信号模式识别处理以及专家系统学习识别,对样品进行定性或定量分析的一类新型分析测试设备。本文介绍了电子舌的原理,电子舌的类型及其在酒类区分辨识方面的应用,并对电子舌的发展和趋势作了展望。 Electronic tongue is based on multi-sensor array, the use of sensor array to measure the characteristic response signal of liquid samples through signal pattern recognition and expert system to learn recognition, a qualitative or quantitative analysis of samples of a new type of analysis and test equipment. In this paper, the principle of electronic tongue, the type of electronic tongue and its application in the discrimination of alcoholic liquor are introduced, and the development and trend of electronic tongue are prospected.