STM32 64 256 1024采集点的FFT算法结果作用意义!-STM32 64 256 1024 collection point FFT algorithm result role sense!

FFT-based FIR Filter is a unit to perform the finite impulse responce filter based on the Fast Fourier Transform (FFT). It performs the convolution of the unlimited signal sequence with the synthesized impulse responce of the length of Ni=N/2 samples

1024点FFT，对学习很有帮助，值得下载使用。希望对大家有帮助。-1024-point FFT, to learn helpful, worth download. Hope everyone has to help.

产生一正态分布序列 经过pcm编码、PCM解码、计算量化信噪比、设置信道误码率 -Generating a normal sequence after pcm encoding, PCM decoding, computing quantization noise ratio, set the channel error rate x = randn (1,1000) generating a normal sequence xf = fft (x, 256) 1024 da