• 2022-06-16
    若调制信号为 [tex=14.5x1.571]yivqGbozKS0Z9UxYHLqcy7CR3zs3Gii7q/meipKj5P2wWzee/a7LeC6ugLbXy4ApNVf+SVzyd+cEE/oTheZ5dMwY+TI9fmLsG/8kOUY6zVGp16Ft14ztrbSwCZ7EjuqB[/tex] 载波信号[tex=15.286x1.571]Xpw7o0piV+T+N/Oae6uuXLj4dfdViaqQcS2WJT/nZGh1ECq7JJehbHzeZPnvZoh7T95NmaE1bNgBpPVfVxAWpcIk9l+Khcx/58/pQ4Rmco0=[/tex]写出抑制载波的双边带调幅波的表达式, 画出时域波形和频谱图,该信号的带宽为多少?