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i. Let's consider a sequence x[n]-Sn+0.28(n-2)+ 0.58(n-4)+ 8(n-6) a) What is the length of the sequence L? b) Find the DFT where we can regenerate x(n) without any loss.

i. Let's consider a sequence x[n]-Sn+0.28(n-2)+ 0.58(n-4)+ 8(n-6) a) What is the length of the sequence L? b) Find the DFT where we can regenerate x(n) without any loss.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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i. Let's consider a sequence x[n]-ôn+0.28(n-2)+ 0.58(n-4)+ 8(n-6) a) What is the length of the sequence L? b) Find the DFT where we can regenerate x(n) without any loss. ii. Find the 4-point DFT of the signal. πη TEN x[n] = 4Cos² - Sin² By using the Inverse Discrete Fourier Transformation (IDFT) expansion.
Transcribed Image Text:i. Let's consider a sequence x[n]-ôn+0.28(n-2)+ 0.58(n-4)+ 8(n-6) a) What is the length of the sequence L? b) Find the DFT where we can regenerate x(n) without any loss. ii. Find the 4-point DFT of the signal. πη TEN x[n] = 4Cos² - Sin² By using the Inverse Discrete Fourier Transformation (IDFT) expansion.
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