经典的DSP程序库，用C语言写的，很好用的！-DSP

这是一个数字信号处理的函数库,包括FFT变换各种滤波算法如果你要编写数字信号处理相关的程序这是个不错的选择-This is a digital signal processing library, including all kinds of filtering algorithm FFT transform you to be prepared if the digital signal processing-related procedures This is a good choice

此文件是数字信号处理DSP中常用的库函数，在其他数字信号处理的程序中可以调用-This file is commonly used in digital signal processing DSP library functions that can be called in the program in other digital signal processing

STM32F407DSP，支持FFT，FIR，IIR(stm32F407 DSP_Lib FIR IIR FFT)