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Fourier Analysis and Filtering - Matlab MCQs

Fourier Analysis and Filtering MCQ : Here you will find MCQ Questions related to "Fourier Analysis and Filtering" in Matlab. These Fourier Analysis and Filtering MCQ Questions Will help you to improve your Matlab knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.

Question 1

Which function uses a fast Fourier transform algorithm that reduces its computational cost compared to other direct implementations?

A. fct

B. fcb

C. fft

D. fmt

Question 2

Which functions are also useful tools for modifying the amplitude or phase of input data using a transfer function?

A. conv

B. filter

C. discrete

D. Both A and B

Question 3

The process of obtaining the spectrum of frequencies H(f) comprising a time-dependent signal h(t) is called?

A. Fourier Analysis

B. Fourier Transform

C. Signal Filtering

D. None of the above

Question 4

In Applet, These signals consist of ?

A. 512 data points

B. 1024 data points

C. 2048 data points

D. 128 data points

Question 5

The result of the following code is

A. Returns a 3-point D.T.F.T.

B. Returns a N-point D.T.F.T.

C. Returns a 3-point D.F.T.

D. Error

Question 6

What is the output of the following code?

A. Error

B. Returns order of the filer

C. 0

D. 1

Question 7

The below command will give

A. D,F,T after taking a truncated input

B. Error

C. Uses the Butterfly algorithm

D. Yield a 2-point D.F.T.

Question 8

What is the output of the following code?

A. Syntactical Error

B. Frequency Error

C. 1

D. Error

Question 9

The fir1 command can be used to find _____________

A. High Pass Filters using IIR method

B. FIR filters using Window Method

C. Low Pass Filters FIR method

D. Filters using Window Method

Question 10

All FT algorithms manipulate and convert data in both directions

A. Yes

B. No

C. Can be yes or no

D. Can not say