关键字:单片机,低频治疗仪,脉冲发生 [gap=1527]Key word: microcontroller, low frequency instrument, pulse happen ...
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UC3846 is used for PWM, pulse transformer driven by bridge can transfer signal and power for IGBT in main circuit, quick protection is necessary for short circuit often happen during brush plate.
本文采用UC 3846作为PWM发生器,桥式驱动的脉冲变压器既保证信号的传输,又保证足够功率驱动全桥逆变主电路。对于经常发生短路刷镀刷镀工艺,快速过电流保护非常必要。
The spread and compress of millimeter wave pulse frequency spectrum will happen in Doppler Effect during rain.
在降雨条件下,多普勒效应后毫米波脉冲频谱发生展宽和压缩。
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