The electret microphone tester is used to test electret microphone's sensitivity and frequency response.
驻极体传声器测试仪是用来测试传声器的灵敏度及频率响应的。
The tester with DSP core could get excellent results by judging and adopting the different value of voltage and current, programmed amplifying and changing the frequency of sample.
系统以DSP为控制核心，可自动识别并适应不同的电压和电流等级，采用程控放大、变化采样频率以获得优化的阵列测试效果。
Based on the design of high frequency electrosurgical equipment tester, uncertainty evaluation of electronic equipment tester was investigated, taking output power measurement as an example.
利用所设计高频电刀检测仪，并以功率检测为例，探讨电子检定检测仪器测量不确定度评定方法。
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