通信原理复习--2ASK信号的带宽复习--2FSK信号的功率谱密度7.1二进制数字调制原理7.1二进制数字调制原理7.1二进制数字调制原理7.1二进制数字调制原理7.1二进制数字调制原理7.1二进制数字调制原理7.1二进制数字调制原理7.1二进制数字调制原理7.1二进制数字调制原理7.1二进制数字调制原理7.1二进制数字调制原理7.1二进制数字调制原理7.1二进制数字调制原理7.1二进制数字调制原理7.1二进制数字调制原理7.1二进制数字调制原理第7章数字频带传输系统7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能7.2二进制数字调制系统的抗噪声性能小结思考题：如何分析2FSK和2DPSK系统的抗噪声性能？