2048点实序列fft 采用优化地方法节省存储空间和运算时间。包括2048点实序列fft，信号幅度谱分析和排序。本程序用于基于tms320lf2407的波形采集与分析上，能够精确分析信号的幅度和频率分量。-2048-point sequence is optimized to fft method used to save storage space and computing time. Including the 2048-point real sequence fft, signal amplitude spectrum analysis and sequencing. This procedure for tms320lf2407 based on the waveform acquisition and analysis, to accurately analyze the magnitude and frequency of signal components.