In this system, DSP drives CCD to collect signals, converts analog signals to digital signals, completes fast Fourier transform, and controls LCM to display spectrogram.

• 整个系统通过DSP驱动CCD传感器采集信号,并由DSP完成模数转换以及各种变换运算,最后由DSP控制液晶显示模块输出光谱曲线。