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Assinale, dentre as alternativas abaixo, aquela que identifica um processo de fundamental importância na obtenção de um sinal discreto.

","status","pending_classification","hasRelatedVideo","relatedVideos",[],"similarQuestions",[90],{"_18":91,"_20":21,"_22":92,"_57":93,"_80":21,"_81":108,"_30":109},"b0e252fa-fb1e-410b-9899-706e5eeeb1b5","9eb60955-48d2-4595-b3ea-26b96955a619",[94,97,99,102,105],{"_22":95,"_61":62,"_63":96},"18d7c06c-8420-4d56-957c-6887a0a2007c","

Um sinal em tempo continuo com amplitudes discretas.

",{"_22":91,"_61":66,"_63":98},"

Um sinal em tempo discreto com amplitudes discretas.

",{"_22":100,"_61":70,"_63":101},"a947696b-4727-4d45-a64c-7c15f8d76303","

Um sinal em tempo continuo com amplitudes continuas.

",{"_22":103,"_61":74,"_63":104},"172076c6-2b0d-4b25-a50b-bc428c31afbe","

Um sinal em tempo discreto com amplitudes contínuas.

",{"_22":106,"_61":78,"_63":107},"835f3429-fc51-418a-85d3-9898c25d4047","

Um sinal digital - analógico.

","

Por definição um sinal quantizado é:

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