The Discrete Fourier Transform (DFT) converts N time-domain samples into N frequency-domain coefficients, revealing the spectral content of a signal. The naive DFT requires O(N²) complex ...
这是一个 STM32 音频采集项目，包含 STM32 固件、PCB 工程、旧版 Python 上位机，以及可部署到 GitHub Pages 的 Web 串口音频采集工具 ...
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