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pin cha fa chao sheng liu liang ji
Author(s): 
Pages: 27-32
Year: Issue:  1
Journal: Applied Acoustics

Keyword:  超声流量计频差法换能器逆循环时差法声速流体平均流速超声波多卜勒;
Abstract: 本文介绍我们与北京自来水公司共同研制的频差法超声流量计的原理,特点.该机采用了锁相倍频,自动增益,消除干扰和自动纠错电路,从而使该机性能稳定可靠.
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