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Given an analog signal sampled at a rate of 8,000 Hz, x(t) = 5 cos (2π 1500t), for t≥0, a. sketch the spectrum of the original signal; b. sketch the spectrum of the sampled signal from 0 kHz to 20 kHz.

Given an analog signal sampled at a rate of 8,000 Hz, x(t) = 5 cos (2π 1500t), for t≥0, a. sketch the spectrum of the original signal; b. sketch the spectrum of the sampled signal from 0 kHz to 20 kHz.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Given an analog signal sampled at a rate of 8,000 Hz, x(t) = 5 cos (2T 1500t), for t≥0, a. sketch the spectrum of the original signal; b. sketch the spectrum of the sampled signal from 0 kHz to 20 kHz.
Transcribed Image Text:Given an analog signal sampled at a rate of 8,000 Hz, x(t) = 5 cos (2T 1500t), for t≥0, a. sketch the spectrum of the original signal; b. sketch the spectrum of the sampled signal from 0 kHz to 20 kHz.
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