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生醫訊號處理概論. 腦波 圖. Electroencephalogram EEG. 組長 : 49927002 李承鴻 組員 : 49927020 黃勝衍 49927024 毛柏琛 49927029 蘇紘緯. 大綱. 腦波圖 - 聽覺訊號之簡介 腦波圖 - 聽覺訊號測量的方法 腦波圖 - 聽覺訊號處理的目的 腦波圖 - 聽覺訊號處理的流程 腦波圖 - 聽覺訊號處理的方法 腦波圖 - 聽覺訊號處理的結果 結論 心得. 腦波圖 - 之 簡介. - PowerPoint PPT Presentation
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Electroencephalogram EEG 49927002
49927020 49927024 49927029
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-Hans Berger(EEGElectroencephalography)
Hans Berger(EEGElectroencephalography)
1.Alpha waves8~13Hz 50V(occipital region)(parietal region)
2.Beta waves12Hz50Hz (frontal region) 20V
3. Theta waves 48Hz
4. Delta waves 14Hz NREM
1929 Hans Berger 0 ~ 300 V 50 EEG
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EEG
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FFT
+FFT
+FFT
+FFT
+FFT
+FFT
+FFT
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M- M=3
M- M=10
M- M=20
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IIRButterworthChebyshev IChebyshev II Elliptic
Butterworth-
Butterworth-
butter-
butter-
butter-
butter-
Chebyshev I- I Chebyshev I-I
cheb1ord-
cheb1ord-
cheb1ord-
cheb1ord-
Chebyshev II- II Chebyshev II-II
cheb2ord-
cheb2ord-
cheb2ord-
cheb2ord-
Elliptic-Elliptic-
Elliptic-
Elliptic-
Elliptic-
Elliptic-
Butterworth--
Chebyshev I- I -
Chebyshev II- II -
Elliptic--
Elliptic--Chebyshev II- II -
Chebyshev I- I -Butterworth--
PSD
PeriodogramPSD
2561024
PeriodogramPSD-1024
1024
PeriodogramPSD-10241024
Welch PSD-256512 75%25%810512
,,PSD
Welch PSD-,50%,1024
Yule-walker AR-
Yule-walker
Yule-walker AR- Yule-walker 1~18-
Yule-walker AR- Yule-walker 1~6
Yule-walker AR- Yule-walker 7~12
Yule-walker AR- Yule-walker 13~18
-M(FIR) ,Butterworth ,Chebyshev I , Chebyshev II , Elliptic , ,M()Butterworth-Yule-walker AR Periodogram Welch
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