通过FFT算法在DSP中的实现,深刻理解数字频率与模拟频率的对应关系，结合仿真与DSP实现分析FFT的频率分辨率。-Through the FFT algorithm in the DSP in the realization of a deep understanding of digital and analog frequency corresponds to the relationship between frequency, combined with simulation and analysis of DSP realization of FFT frequency resolution.