379 views
7.24 Consider the finite-duration signal

x(n) = {1,2,3,1}

(a) Compute its four point DFT by solving explicitly the 4-by-4 system of linear equations defined by the inverse DFT formula.
(b) Check the answer in part (a) by computing the four-point DFT, using its defination.

1 Answer

Answer :

Handwritten Solution for Problem Number 7.24 from Digital Signal Processing 4th edition By John G. Proakis

image

image

image

image

image

image

Like 0 like

Please log in or register to answer this question.

Related questions

57 views

Description : What is the use of DFT in DSP?

0 answers
0 views

Description : Which type of blood pressure reading will you go with the automated or manual one?

Last Answer : Automated. Having a human do it means depending on an inconsistent measurer – the nurse taking the BP reading.

1 answer
0 views

Description : What do you call an individual cup manual coffee maker?

Last Answer : Google “Melitta single cup coffee brewer” :)

1 answer
80 views

Last Answer : In a manual shunt motor starter over load relay is connected in series and no volt relay in parallel with the load.

1 answer
98 views

Description : Sinusoidal Steady-State Analysis - nodal analysis super node problem solution 2

Last Answer : Sinusoidal Steady-State Analysis - nodal analysis super node problem solution 2

1 answer
116 views

Description : Sinusoidal Steady-State Analysis - nodal analysis super node problem solution

Last Answer : Sinusoidal Steady-State Analysis - nodal analysis super node problem solution

1 answer
187 views

Description : Series parallel resistances problem solution

Last Answer : Series parallel resistances problem solution

1 answer
412 views

Description : Source shifting problem solution

Last Answer : Source shifting problem solution

1 answer
145 views

Description : Source transformation problem solution

0 answers
111 views

Description : Linear Algebra Problem the solution to the system of equations

Last Answer : Linear Algebra Problem the solution to the system of equations https://youtu.be/y_FlupirxZM

1 answer
1 view

Description : What is the best way to deal with mailbox bashers?

Last Answer : Build your mailbox out of concrete.

1 answer
2 views

Description : How To Make Bubble Solution

0 answers
2.6k views

Description : Problem number 6.30 from digital control and state variable methods by M Gopal (second edition)

Last Answer : Solution for 6.30​​​​​​

1 answer
72 views

Description : What is the use of digital signal processing?

0 answers
74 views

Description : Why digital signal processing is important?

0 answers
74 views

Description : How does signal processing work?

0 answers
103 views

Description : Can you convert analog signal to digital?

0 answers
94 views

Description : What are the advantages of a digital signal?

Last Answer : It  has   only   two  variable   input  and  output (low   or    high)   (0  or    5).

1 answer
1 view

Description : Who wants to play the five-worded chain game? 4th Edition?

Last Answer : Fun is best served cold.

1 answer
1 view

Description : Can you answer some D&D 4th edition questions for me?

Last Answer : answer:1) Generally, Move and any other action are mutually exclusive unless specifically stated otherwise. 2) No. The best you can hope for is for a non-magical ranged attack to hit the wrong target. 3) ... and explains how/why they are what they are. Is that the sort of stuff you need hep with?

1 answer
1 view

Description : Chapters study guides for Pearson 4th edition comprehensive medical assistant workbook?

Last Answer : Chapter 14 quiz

1 answer
135 views

Description : Integration of step signal gives (A) Impulse signal. (B) Ramp function. (C) Parabola. (D) Square pulse.

Last Answer : Integration of step signal gives Ramp function.

1 answer
469 views

Description : The Fourier Transform of a discrete and aperiodic signal is: A) Continuous and aperiodic B) Continuous and periodic C) Discrete and aperiodic D) Discrete and periodic

0 answers
101 views

Description : The signal x(t) = sin(t)/t is  A) Even function B) Odd function C) Neither odd nor even D) Both odd and even

0 answers
58 views

Description : The FS of a periodic continuous-time signal x(t) is  A) Continuous Complex-valued function B) Discrete Real-valued function C) Continuous Real-valued function D) Discrete Complex-valued function

0 answers
64 views

Description : What are digital signals used for?

0 answers
20 views

Description : A technique used by codes to convert an analog signal into a digital bit stream is known as A) Pulse code modulation B) Pulse stretcher C) Query processing D) Queue management

Last Answer : Answer : A

1 answer
12 views

Description : A technique used by codes to convert an analog signal into a digital bit stream is known as a. Pulse code modulation b. Pulse stretcher c. Query processing d. Queue management

Last Answer : a. Pulse code modulation

1 answer
8 views

Description : A technique used by codes to convert an analog signal into a digital bit stream is known as a. Pulse code modulation b. Pulse stretcher c. Query processing d. Queue management

Last Answer : a. Pulse code modulation

1 answer
15 views

Description : A technique used by codes to convert an analog signal into a digital bit stream is known as a. Pulse code modulation b. Pulse stretcher c. Query processing d. Queue management

Last Answer : a. Pulse code modulation

1 answer
943 views

Description : Which of the following statements is NOT correct ? (A) Computer is capable of processing only digital signal (B) Computer is capable of analysing both quantitative and qualitative data (C) Appropriate ... for processing the data (D) Computer is capable of processing digital as well as analog signals

Last Answer : Answer: A

1 answer
0 views

Description : Does the Western Digital 1TB My Book Essential Edition come in eSata?

Last Answer : Yes, the Western Digital 1TB My Book Essential Edition has eSATA capabilities, making it a great option for high speed transfers.

1 answer
1 view

Description : Does the Western Digital 1TB My Book Essential Edition have a buffer?

Last Answer : Yes; this hard drive has a 16 MB buffer.

1 answer
1 view

Description : Can I use the Western Digital 1TB My Book Essential Edition USB 2.0 External Hard Drive (WDH1U10000N) to backup multiple computers at the same time?

Last Answer : if you purchase special software this will be possible.

1 answer
3 views

Description : The 4th John Ford cavalry epic is available on you tube. Have you seen it?

Last Answer : I prefer the Anime adaptation: Horse Girl Pretty Derby

1 answer
0 views

Description : July 4th is Independence Day of the United States. Which date John Adam declared as the real date of Independence?

Last Answer : 2nd July.

1 answer
348 views

Description : A unit ramp function when integrated yields: A) unit parabolic function B) unit ramp function C) unit doublet D) unit impulse function

Last Answer : A unit ramp function on integration yields a unit parabolic function

1 answer
152 views

Description : The spectrum of discrete-time Fourier transform will be:  a. Periodic and discrete b. Aperiodic and continuous c. Periodic and continuous d. Aperiodic and discrete

Last Answer : The spectrum of discrete-time Fourier transform will be: Periodic and continuous

1 answer
102 views

Description : On different unit impulse function results in   (A) Unit parabolic function (B) Unit triplet (C) Unit doublet (D) Unit ramp function

Last Answer : On different unit impulse function results in Unit doublet

1 answer
102 views

Description : A system is causal if the output of any time depends only on   (A) Values of input in the past and in the future (B) Values of input at that time and in the past (C) Values of input at that time and in the future (D) none

Last Answer : A system is causal if the output of any time depends only on Values of input at that time and in the past

1 answer
64 views

Description : The Match Filter  (A) is a high-pass filter  (B) is a low-pass filter  (C) is an optimum system for detecting known signal in the presence of Gaussian noise  (D) is a system to detect arbitrary signal in the presence of noise

Last Answer : The Match Filter is an optimum system for detecting known signal in the presence of Gaussian noise 

1 answer
59 views

Description : For a discrete time filter to be causal and to have exact linear phase (A) Its impulse response must be of infinite length (B) Its impulse response can be of any length (C) The signal should be left sided (D) Its impulse response must be of finite length

Last Answer : For a discrete time filter to be causal and to have exact linear phase Its impulse response must be of finite length

1 answer
79 views

Description : What is the use of Fast Fourier Transform?

0 answers
71 views

Description : What is the difference between DFT and FFT?

0 answers
77 views

Description : What is the use of Z transform?

0 answers
63 views

Description : What is the meaning of DFT?

0 answers
419 views

Description : Linear Time Invariant (LTI) System

Last Answer : Linear Time Invariant System Linear system means a system which possesses the property of superposition. Time invariant system means its behavior and characteristics are fixed over time. Before ... from the impulse response. Impulse response is related to frequency response via Fourier transform.

1 answer
114 views

Description : Sampling of Analogue Signals

Last Answer : Sampling of Analogue Signals Sampling means splitting in regular interval to convert it in digital form. Sampling converts continuous signal to discrete signal. Actually the accuracy ... use. Using sampling we can store the analogue data in digital form.

1 answer
3 views

Description : My TI-84 Plus Silver Edition graphing calculator screen shows only a dark solid green. I have changed the batteries. What could be the problem?

Last Answer : Check and see whether both your Xscl and Yscl values are too small. If that’s what’s wrong, try pressing [WINDOW] and adjust the Xscl or Yscl or both.

1 answer
...