The design of supersonic sensor is a core of the online technology for measuring thickness of blast furnace.
高炉炉墙厚度在线监测技术的核心之一是超声传感器的设计。
In this article we introduce the basic principle of supersonic measure distance, and analyze the structure and frequency characteristic of supersonic sensor.
本文介绍了超声测距的基本原理，对超声传感器的结构及频率特性进行了分析。
On the basis of the theoretic analysis and the experiment in laboratory and the spot verification, the research on the design and choice of practical supersonic sensor is introduced.
在理论分析和实验室实验以及现场验证的基础上，对设计、选择实用的超声传感器的研究作了介绍。
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