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weed:AM是DSB的老媽吧?還要混? (2012-09-09 23:22)
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刘海石:只要把AM波的直流分量去掉就是DSB了,看看谱线就知道了 (2012-09-10 12:57)
sunstar:DSB是AM去掉载波后的信号,因此,DSN只要加上载波就是AM了,就是简单的合并,不用混频的 (2012-09-10 16:55)
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