C6747板子,用的FFT库函数 DSPF_sp_cfftr2_dit(),得到的频谱图不光滑,具体看附件的截图。 程序中是取350点采样数据,参与傅立叶变化,FFT点数8192,由于该频谱图不光滑,尖峰不明显,造成最大值的寻找有4个频点的跳动,严重影响后续处理的精度。求助论坛各位大神,看看能不能帮忙解决问题,或是提些建议也好,谢谢~
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.