a complex to real valued IFFT

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sangwoo ha 2021 年 12 月 1 日

if i have fft data from signal, that have symmetry property and then i have to multiply complex number.

when i multiply that, the output is not a symmetry. and ifft is the complex number

the reference book said that use a complex-to-real-valued IFFT to reduce computational complexity

what is a complex-to-real-valued IFFT??

(ex Hm(w) is filter and exp(im * theta)

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