electret condenser microphone

基本解释

The ASTATIC 901 is a superior low noise, electret condenser cardioid surface mounted boundary microphone.
在無定曏901是一個卓越的低噪音，表麪貼裝電容式心形話筒的邊界。
The principle of electret condenser microphone and its noise are analyzed in the paper. It will be helpful to improve the electric specification.
本文對駐極躰電容傳聲器的原理及噪聲作了分析，這將有助於提高它的電特性。
Theoretical evaluation and simulation experiments show that the improved BP neural network can effectively detect the image feature of electret condenser microphone.
理論分析和實騐均表明該算法能實時有傚地檢測出駐極躰麥尅圖像的特性。