双三次样条插值算法代码，做图片的放大缩小可参考，代码写得不错。-Bicubic spline interpolation algorithm code, so refer to zoom the image, the code is well written.

音频信号通过LM386放大，基于kaiser窗的双谱线插值FFT谐波分析，用于图像处理的独立分量分析。- LM386 audio signal amplification, Dual-line interpolation FFT harmonic analysis kaiser windows, Independent component analysis for image processing.