则输出调幅信号电压为 uo(t)=om +k,uo(t]cosa t [U om +ka> uon consT]coso.t Von cos O (+ 2 Uo,[cos(@ +m2 2)(+ cos(o, +t m 2)z (5-5)则输出调幅信号电压为 max max 1 1 ( ) [ ( )]cos [ cos ]cos cos [cos( ) cos( ) ] 2 om a c n om a n c n n a om c n c c n uo t U k u t t U k U n t t k U t U n t n t        =  = = + = +  = + +  + +    (5―5)