A New Approach to Computing Distortion of an FM Single-Tone Modulated Signal Due to Ideal Filtering |
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| Authors: | Huynh Tue |
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| Affiliation: | Laval Univ., Quebec, P.Q., Canada; |
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| Abstract: | By factorizing a finite sum of harmonics, an expression is obtained for an FM demodulator output when the modulating signal is a simple sinusoid and the RF filter is an ideal bandpass filter. Using this result, harmonic distortions and the signal-to-distortion ratio are defined and computed; several curves are drawn to show the variation of these quantities in terms of the modulation index and the normalized bandwidth. |
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