搜索 - 科创

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引用第36楼Shadow_Swirl于2008-10-12 14:38发表的 :总有一天我会证明这一切！否则一切必将被我毁灭，我说到做到，等着瞧！自杀？虽然那是一种解脱，但我并不赞成那么做，生命可贵...

引用 smith:这两天试了一下，没有去加检测的电路，先按照原来的图做了出来，果然494这东西需要示波器才能调试，比555难用一些。IRFP250结电容太大了，波形确实有点难看啊。驱动起来和555的电...

引用量子隧道:哈哈，小case，相位弄反了解决手段无非是在频域相位加个负号，或转时域在正弦项后面加个负号。话说这个土我以前在用S21转时域脉冲响应时也犯过，得到的东西不符合因果律，就是算出来的接收脉...

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