DSP平台 :C5535。
DSPLIB版本:官网最新版c55_dsplib_03.00.00.03
问题描述:用MATLAB仿真了含有两个频谱高度一样的信号,将该信号归一化再乘以32767,取整数,复制到DSP实验项目中,调用DSPlib的2048点RFFT函数,同时实部分别与虚部相乘得到功率谱,发现DSP结果与仿真结果不一致,频点位置一样,但是两个信号的频谱高度有所差异。如图:
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