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Please use this identifier to cite or link to this item: http://hdl.handle.net/11133/952

Title: Generalized Short Time DFTとそのヒルベルト変換への適用
Other Titles: GENERALIZED SHORT TIME DFT ト ソノ ヒルベルト ヘンカン エノ テキヨウ
On the Consideration of the Generalized Short Time DFT and its Application to the Hilbert Transformer
Authors: 岸, 政七
岩田, 宏
小崎, 康成
KISHI, Masahichi
IWATA, Hiroshi
KOZAKI, Yasunari
Issue Date: 31-Mar-1994
Publisher: 愛知工業大学
Abstract: It is newly proposed in this paper based on the generalized Short Time DFT (ST gDFT) that an ideal Hilbert transformer is realized with employing phase shifting by -π/2 radian (ω>0) and π/2 radian (ω<0). The ST gDFT is able to adjust its sub-channel allocation by an apriori value along to the frequency axis in order to perform frequency domain Hilbert transform precisely via avoiding zero frequency crossing in the preserved sub-channel. The phase shifting function of a ST gDFT Hilbert transformer is as accurate as detecting no error with (10)^<-9> degree order, and its amplitude is as flat as swinging within 0.01 dB over subjective domain.
URI: http://hdl.handle.net/11133/952
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