This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

vlfft运算结果和dsplib提供函数结果不一致



专家好,我用你们提供的vlfft进行128k的浮点型fft,数据是自己实际获得的。然后用dsplib库提供的双精度函数进行128kfft。两个结果不一致,见附件,左侧是库函数结果,差的比较多,因为库函数出来的结果比较符合频谱图。请问专家什么原因。