基于超声波流量计的换能器谐振频率测试  

Transducer Resonant Frequency Test Based on Ultrasonic Flowmeter

作　　者：赵洪波 田英明 张宇 

机构地区：[1]重庆川仪自动化股份有限公司,重庆401121

出　　处：《仪器仪表用户》2015年第4期63-65,共3页Instrumentation

摘　　要：在不增加系统资源的情况下,通过流量计自身的软硬件资源与外部模拟测量信号的紧密结合,自动测试超声波换能器的最佳驱动频率,使得接收信号幅值最大,增强原始信号强度,提高了超声波换能器输出信号的信噪比,使测量结果更加可靠。In the case of system resources are not increased through combining closely between hardware ,software resources and external analog measurement signal ,get optimum drive frequency of automation test ultrasonic transducer ,receive maximum signal amplitude, enhance the strength of the original signal, improving the ultrasonic transducer output signal to noise ratio, and make the results more reliable.

关 键 词：超声波换能器 频率测试 二分法 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置]