• 2022-06-26
    已知 [tex=2.571x1.0]J6dccgmX2gAUCjxjVxBlF260Jsl7ShDFG2mqxF+3blE=[/tex] 系统的传输速率为[tex=3.5x1.357]ad/Ik0MvwSc+Kv8zdGByxPK6/65MK/0EbdpD2FAKTng=[/tex], 试确定: 若传输带宽不变,而传输速率增至 [tex=3.5x1.357]I7a2gTZf1LKAmtckyZwHbD8/2vvCkMDowtZFBqS6wLk=[/tex],则调制方式应作何改变?