文件名称:FFTtransform
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在VB中实现对文本文档中数据的傅里叶变换。并出现变换后的波形-The useful functions are:
FourierTransform() performs a Fast Fourier Transform on an pair of
Double arrays-- one real, one imaginary. Don t want/need
imaginary numbers? Just use an array of 0s. This function can
also do inverse FFTs.
FrequencyOfIndex() can tell you what actual frequency a given index
corresponds to.
CalcFrequency() transforms a single frequency.
FourierTransform() performs a Fast Fourier Transform on an pair of
Double arrays-- one real, one imaginary. Don t want/need
imaginary numbers? Just use an array of 0s. This function can
also do inverse FFTs.
FrequencyOfIndex() can tell you what actual frequency a given index
corresponds to.
CalcFrequency() transforms a single frequency.
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658t\04418300.txt
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