用matlab对OFDM（正交频分复用）和FBMC（滤波器组多载波）的功率谱进行仿真，含代码和仿真报告。 对OFDM和FBMC的功率谱进行仿真，加深对OFDM和FBMC的理解，熟悉其系统原理构成。 (The power spectrum density of ofdm and fbmc is simulated to deepen the understanding of ofdm and fbmc system. Familiar with the principle and constit