- 19 An Acoustic Signal Having The Power Spectral Density Given In The Form So F F S F 1 F F F F Is The Message 1 (19.72 KiB) Viewed 37 times
19. An acoustic signal, having the power spectral density given in the form: So :f≤ f S)(f)=1+ f f₂ :f> f is the message
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19. An acoustic signal, having the power spectral density given in the form: So :f≤ f S)(f)=1+ f f₂ :f> f is the message
19. An acoustic signal, having the power spectral density given in the form: So :f≤ f S)(f)=1+ f f₂ :f> f is the message signal in the FM system. Find the gain factor k and limit frequency f₁ of the pre-emphasis filter and the noise reduction factor. Assume, that the frequency fi is a 3 dB frequency of the power spectral density Smo (5).