驻极体话筒的英文

ecm electric condenser microphone

electret condenser microphone

electret microphone

例句与用法

Ecm electret condenser microphone
驻极体话筒
Electret condenser microphone
驻极体话筒
It specilizes in manufacture of carious circyle receiver , electret receiver and accessories of various telecommunication product
专业生产各种动圈受话器、驻极体话筒及多种通信产品配件。
It was demonstrated that this sort of load - control apparatus has superior performance . we used a electric transmitter as the transducer to collect the sound signal , using the daq toolbox of the matlab to achieve the collection of the sound signal , and using the dsp toolbox of the matlab and the sound - launch technology to analyze the time - domain characteristic and the frequency - domain characteristic of the signal , chiefly analyze its short - time average amplitude , its short - time over - zero ratio and its estimate of the power chart and the average - period chart
实验中使用了驻极体话筒作为球磨机声音拾取传感器，利用matlab中的数据采集( daq )工具箱实现对磨音的采集，利用matlab信号分析( dsp )工具箱和声发射技术对磨音进行时域和频域分析，主要分析磨音的短时平均幅度和能量、短时平均过零率、功率谱估计和平均周期图。