中英
1
- The assembly language program collects and processes the data real time . comparing kinds of method of filter and arithmetic of fft , the author select the fir filter to realize pretreatment of signal and radix - 2 fft to distill the characters of librations
通過對(duì)各種濾波方法和fft算法進(jìn)行比較，本套數(shù)據(jù)檢測(cè)和校準(zhǔn)處理系統(tǒng)采用fir濾波對(duì)采集到的信號(hào)進(jìn)行預(yù)處理，利用基2fft算法來提取信號(hào)的頻率特征。
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