伪码数字相关技术及其在超声波液位测量中的应用  

Pseudo Code Digital Correlated Technology and Its Application in Ultrasonic Level Measurement

作　　者：雷鸣雳[1] 魏小荣[1] 赵秀花[1] 

机构地区：[1]西安电力高等专科学校,陕西西安710032

出　　处：《陕西电力》2007年第1期32-34,共3页Shanxi Electric Power

摘　　要：将伪码数字相关技术应用到超声波液位测量中,构成汽包水位测量系统;分析了伪随机码的相关特性,讨论了基于伪码相关技术的超声波液位测量原理,设计并完成了液位测量系统。实验表明:系统测量精度高,可用于火电厂中汽包水位的测量。Applying the pseudo code digital correlated technology in the ultrasonic level measurement to compose the level measuring system of the steam drum. The relative characteristics of the pseudo code are analyzed. With discussion on the principle of ultrasonic level measurement based on pseudo code technology, the level measuring system is designed. It is proved that the system has a high measuring accuracy and could be applied in the measurement of drum water level.

关 键 词：超声波 伪码相关 液位测量 

分 类 号：TK316[动力工程及工程热物理—热能工程]