使用STM32F103单片机DSP库函数编写的FFT1024点快速傅里叶变换，数据来源是ADC数据采集，通过串口打印输出变换后的结果。-Use STM32F103 microcontroller DSP library functions written FFT1024 point fast Fourier transform, data source is the ADC data capture, results through the serial port printout after