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Exercise Exercise-1: If the 20 kHz signal is under-sampled at 30 kHz, find the aliased frequency of the signal.

Exercise Exercise-1: If the 20 kHz signal is under-sampled at 30 kHz, find the aliased frequency of the signal.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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48 Exercise Exercise-1: If the 20 kHz signal is under-sampled at 30 kHz, find the aliased frequency of the signal. Exercise-2: A voice signal is sampled at 8000 samples per second. i. What is the time between samples? ii. What is the maximum frequency that will be recovered from the signal? Exercise-3: An analog Electromyogram (EMG) signal contains useful frequencies up to 3000 Hz. i. Determine the minimum required sampling rate to avoid aliasing. ii. Suppose that we sample this signal at a rate of 6500 samples/s. what is the highest frequency that can be represented uniquely at this sampling rate?
Transcribed Image Text:48 Exercise Exercise-1: If the 20 kHz signal is under-sampled at 30 kHz, find the aliased frequency of the signal. Exercise-2: A voice signal is sampled at 8000 samples per second. i. What is the time between samples? ii. What is the maximum frequency that will be recovered from the signal? Exercise-3: An analog Electromyogram (EMG) signal contains useful frequencies up to 3000 Hz. i. Determine the minimum required sampling rate to avoid aliasing. ii. Suppose that we sample this signal at a rate of 6500 samples/s. what is the highest frequency that can be represented uniquely at this sampling rate?
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