2) The DFT of the analoy signal f(t) = 12 cos (120 πt) cos (20 Ft) be computed. (a) What is the minimum. a vid alissing? is to sampling frequency to (b) If a sumpling frequency of W₂ = 300 π rails Ws п
2) The DFT of the analoy signal f(t) = 12 cos (120 πt) cos (20 Ft) be computed. (a) What is the minimum. a vid alissing? is to sampling frequency to (b) If a sumpling frequency of W₂ = 300 π rails Ws п
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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![Certainly! Here is the transcription:
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2) The DFT of the analog signal
\[ f(t) = 12 \cos(120\pi t) \cos(20\pi t) \]
is to be computed.
(a) What is the minimum sampling frequency to avoid aliasing?
(b) If a sampling frequency of \(\omega_s = 300\pi \, \text{rad/s}\) is used, how many samples must be taken to give a frequency resolution of \(1 \, \text{rad/s}\)?
---](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F93e18a88-13ba-47d2-8c84-ec9d29397d2a%2F642b7cfa-5ce7-4a1c-8c5a-09cd14c38f63%2Fwbogkof_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Certainly! Here is the transcription:
---
2) The DFT of the analog signal
\[ f(t) = 12 \cos(120\pi t) \cos(20\pi t) \]
is to be computed.
(a) What is the minimum sampling frequency to avoid aliasing?
(b) If a sampling frequency of \(\omega_s = 300\pi \, \text{rad/s}\) is used, how many samples must be taken to give a frequency resolution of \(1 \, \text{rad/s}\)?
---
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