Radix 4 FFT Algorithm DIT

Radix 4 FFT Algorithm DIT

University

5 Qs

quiz-placeholder

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Radix 4 FFT Algorithm DIT

Radix 4 FFT Algorithm DIT

Assessment

Quiz

Fun

University

Easy

Created by

Doraemon Ng

Used 1+ times

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which algorithm for computing the Fast Fourier Transform (FFT) uses a factorization into powers of 4?

Radix-2 FFT

Radix-4 FFT

Both of the above

None of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many points are involved in a butterfly operation in Radix-4 FFT?

2

3

4

5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which FFT algorithm is generally faster for non power-of-2 sized inputs?

Radix-2 FFT

Radix-4 FFT

Both of the above

None of the above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which factorization is used by Radix-2 FFT?

powers of 2

powers of 4

powers of 8

powers of 16

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main disadvantage of Radix-4 FFT over Radix-2 FFT?

More complex algorithm

Slower for non power of 2 sized inputs

Requires more memory

Slower for large inputs