伪码数字相关技术及其在超声波液位测量中的应用  

An Algorithmic of Correlation and It＇s Utilization in Ultrasonic Measurement

作　　者：雷鸣雳[1] 冯祖仁[2] 

机构地区：[1]西安电力高等专科学校,陕西西安710032 [2]西安交通大学,陕西西安710049

出　　处：《西安电力高等专科学校学报》2008年第1期24-25,64,共3页

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。In this paper; the technology of correlation for water level measuring is proposed ; The characteristic of pseudo - code is also been analyzed, On the other hand, theory of ultrasonic measurement based on correlation and construction of the system is presented. Results of experiments show that the designed system is precise and can be used in power plant to measure water level for drum.

关 键 词：超声波 伪码相关 液位测量 

分 类 号：TP212.9[自动化与计算机技术—检测技术与自动化装置]