# filtering concepts

mcqspedia.com has 5 Question/Answers about Topic filtering concepts

## A complex number is defined as

- A. c = jI
- B. c = R+jI
- C. c = R
- D. c = R+I
- Correct Answer: Option B

## Impulse has property called

- A. rotating property
- B. shifting property
- C. additive property
- D. additive inverse
- Correct Answer: Option B

## Fourier transform’s domain is

- A. frequency domain
- B. spatial domain
- C. Fourier domain
- D. time domain
- Correct Answer: Option A

## Sum of cosines and sines coefficient multiplied is

- A. Fourier series
- B. Fourier transform
- C. fast Fourier series
- D. fast Fourier transform
- Correct Answer: Option A

## Fourier transform of unit impulse at origin is

- A. undefined
- B. infinity
- C. 1
- Correct Answer: Option C