/* * (c) 2002 Fabrice Bellard * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or *…
FFT-DIT 源代码
FFT-DIT(快速傅里叶变换-基2时间抽取法)是数字信号处理中的核心算法之一,以其高效的计算性能在音频分析、图像处理及通信系统中广泛应用。通过递归地将大点数DFT分解为小点数DFT来实现,极大地减少了运算量。掌握FFT-DIT不仅能够帮助工程师优化算法效率,还能促进对频谱分析等…
/* * (c) 2002 Fabrice Bellard * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or *…
/* * (c) 2002 Fabrice Bellard * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or *…
/* * (c) 2002 Fabrice Bellard * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or *…
/**************************************************************************** 【文 件 名 称】Touch_Screen.c 【功 能 描 述】FFT-2410教学平…
"FFT.C" BROWSE DEBUG OBJECTEXTEND
/* FFT and MDCT tests */ #include "dsputil.h" #include #include #include int mm_flags; void *av_malloc(int size) { void *…
#define SAMPLES 256 #define POWER 8 /* 2 to the 8th power is 256 */ /* * Fixed constants should be used in the macros fo…
/** * @file fft-test.c * FFT and MDCT tests. */ #include "dsputil.h" #include #include #include int mm_flags; /* referenc…