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Frequency Modulation 관련 실험 그래프와 설명

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Frequency Modulation
Experiment 5: Frequency Modulation
◆Abstract
In this experiment, the generation of frequency modulated signals by the direct method and the demodulation of the message signal using a phase-lock loop(PLL) circuit are considered. The spectra of tone-modulated FM signals are analyzed as well. The bandwidth of the tone-modulated FM signal can be estimated by the Carlson’s rule, and it depends on the modulation index and the frequency of the modulation tone.
◆Experiment
Spectra of tune-modulated FM signals
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[Figure1_ P1_Spectra of tune-modulated FM signals]
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[Figure2_ Spectra of tune-modulated FM signals from Prelab]
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[Figure3 _P2_Spectra of tune-modulated FM signals]
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[Figure4_Spectra of tune-modulated FM signals from Prelab]
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[Figure5_P3_Spectra of tune-modulated FM signals]
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[Figure6_Spectra of tune-modulated FM signals from Prelab]
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