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基于MATLAB的正弦信号幅度调制的研究

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摘要 本文演示了正弦信号的调制和解调过程。正弦信号用作载波,并且在较宽的频带中采用频分复用(FDM)来传输由正弦信号调制的多个信号。之后,进行傅立叶变换(FT)来分析信号的幅度谱。接收到的信号首先被相同的正弦信号解调。然后,使用带通滤波器对特定频率范围内的信号幅度频谱进行滤波,以对传输的信号进行多路分解。
出处 《中国新通信》 2020年第12期14-15,共2页 China New Telecommunications
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