python dsp사용 - pusan national university · 2019-05-09 · 2019-05-09 1 python dsp사용...

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2019-05-09 1 Python DSP 사용 IT응용공학과 Contents Signal Image Analysis Lab § Signals § Discrete-Time Fourier Transform(DTFT) § Spectral Analysis § Finite Impule Response(FIR)

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Page 1: Python DSP사용 - Pusan National University · 2019-05-09 · 2019-05-09 1 Python DSP사용 IT응용공학과 Contents Signal Image Analysis Lab §Signals §Discrete-Time Fourier

2019-05-09

1

Python DSP 사용

IT응용공학과

Contents

Signal Image Analysis Lab

§ Signals

§ Discrete-Time Fourier Transform(DTFT)

§ Spectral Analysis

§ Finite Impule Response(FIR)

Page 2: Python DSP사용 - Pusan National University · 2019-05-09 · 2019-05-09 1 Python DSP사용 IT응용공학과 Contents Signal Image Analysis Lab §Signals §Discrete-Time Fourier

2019-05-09

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SignalsDTFT Spectral AnalysisSampling FIR

Square errorDTFT Spectral AnalysisSampling FIR

Page 3: Python DSP사용 - Pusan National University · 2019-05-09 · 2019-05-09 1 Python DSP사용 IT응용공학과 Contents Signal Image Analysis Lab §Signals §Discrete-Time Fourier

2019-05-09

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InterpolatorDTFT Spectral AnalysisSampling FIR

Whittaker InterpolatorDTFT Spectral AnalysisSampling FIR

Page 4: Python DSP사용 - Pusan National University · 2019-05-09 · 2019-05-09 1 Python DSP사용 IT응용공학과 Contents Signal Image Analysis Lab §Signals §Discrete-Time Fourier

2019-05-09

4

Sinc()DTFT Spectral AnalysisSampling FIR

Eigen valueDTFT Spectral AnalysisSampling FIR

Page 5: Python DSP사용 - Pusan National University · 2019-05-09 · 2019-05-09 1 Python DSP사용 IT응용공학과 Contents Signal Image Analysis Lab §Signals §Discrete-Time Fourier

2019-05-09

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FunctionsDTFT Spectral AnalysisSampling FIR

DFT MatrixDTFT Spectral AnalysisSampling FIR

Page 6: Python DSP사용 - Pusan National University · 2019-05-09 · 2019-05-09 1 Python DSP사용 IT응용공학과 Contents Signal Image Analysis Lab §Signals §Discrete-Time Fourier

2019-05-09

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Magnitude of DFTDTFT Spectral AnalysisSampling FIR

Zero paddingDTFT Spectral AnalysisSampling FIR

Page 7: Python DSP사용 - Pusan National University · 2019-05-09 · 2019-05-09 1 Python DSP사용 IT응용공학과 Contents Signal Image Analysis Lab §Signals §Discrete-Time Fourier

2019-05-09

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3D VisualizationDTFT Spectral AnalysisSampling FIR

ExampleDTFT Spectral AnalysisSampling FIR

Page 8: Python DSP사용 - Pusan National University · 2019-05-09 · 2019-05-09 1 Python DSP사용 IT응용공학과 Contents Signal Image Analysis Lab §Signals §Discrete-Time Fourier

2019-05-09

8

DFT length, NDTFT Spectral AnalysisSampling FIR

WindowingDTFT Spectral AnalysisSampling FIR

Page 9: Python DSP사용 - Pusan National University · 2019-05-09 · 2019-05-09 1 Python DSP사용 IT응용공학과 Contents Signal Image Analysis Lab §Signals §Discrete-Time Fourier

2019-05-09

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SidelobeDTFT Spectral AnalysisSampling FIR

BandwidthDTFT Spectral AnalysisSampling FIR

Page 10: Python DSP사용 - Pusan National University · 2019-05-09 · 2019-05-09 1 Python DSP사용 IT응용공학과 Contents Signal Image Analysis Lab §Signals §Discrete-Time Fourier

2019-05-09

10

Magnitude and PhaseDTFT Spectral AnalysisSampling FIR

WindowingDTFT Spectral AnalysisSampling FIR

Page 11: Python DSP사용 - Pusan National University · 2019-05-09 · 2019-05-09 1 Python DSP사용 IT응용공학과 Contents Signal Image Analysis Lab §Signals §Discrete-Time Fourier

2019-05-09

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Design Spec.DTFT Spectral AnalysisSampling FIR