Managing spectra of modulated signals in a communication...

Details Managing spectra of modulated signals in a communication... Managing spectra of modulated signals in a communication...

H - Electricity

03

K

H03K 9/04 (2006.01)

Patent

CA 2617148

Information is modulated onto frequency components of a signal. The resulting modulated signal includes at least some redundancy in frequency enabling a portion of the information modulated onto selected frequency components to be recovered from fewer than all of the selected frequency components. Controlling the spectrum of the modulated signal includes enabling the amplitude of at least some frequency components of the modulated signal to be set below a predetermined amplitude used for modulating the information.

Des informations sont modulées sur les composants de fréquence d'un signal. Le signal modulé obtenu comprend au moins quelques redondances de fréquence permettant à une partie des informations modulées sur les composants de fréquence sélectionnés d'être récupérées à partir de certains composants de fréquence sélectionnés. Le contrôle du spectre du signal modulé permet à l'amplitude d'au moins une partie (mais pas la totalité) des composants de fréquence du signal modulé d'être réglés en-dessous d'une amplitude prédéterminée utilisée pour moduler les informations.

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