图10.7GMSK信号的功率谱图 -20 .40 BT=0.5 -60H BT。=0.3 -80叶 BT。=0.2 -100 BT=0.16 -120 0 0.5 1.0 1.5 2.0 2.5 归一化频率图10.7 GMSK信号的功率谱图 归一化功率譜 归一化频率 Bb Tb =∞ Bb Tb =0.5 Bb Tb =0.3 Bb Tb =0.2 Bb Tb =0.16 0 -20 -40 -60 -80 -100 -120 0 0.5 1.0 1.5 2.0 2.5