很小有關(guān)心驅(qū)動(dòng)波型的,
看此波型

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圖中那個(gè)尖起部分是脈沖變壓器因起,現(xiàn)已改為平整的理想波

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調(diào)功率下降近時(shí)

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功率最小時(shí)