基于Matlab的AM振幅调制与解调仿真研究

the purpose, content, and requirements of this course design; elucidates the basic principles and operation methods of standard amplitude modulation and demodulation, as well as the principles of filtering circuits. It then describes the programs designed and written for modulation, demodulation, and filter using Matlab software, along with waveform and spectrum diagrams of the carrier signal, modulated signal, AM-modulated signal, and demodulated signal before and after filtering. Additionally, the report includes the gain response of the filter and the ratio of double-sideband total power to average total power. Finally, the report concludes with an analysis, reflection on the process, and a summary of the results of this project. Key words: amplitude modulation, demodulation, AM, Matlab, simulation."