Filter

Question 1

For a noise to be white Gaussian noise, the optimum filter is known as

a. Low pass filter
b. Base band filter
c. Matched filter
d. Bessel filter

Answer 1

Matched filter

Question 2

The filter used for pulse shaping is

a. Raised – cosine filter
b. Sinc shaped filter
c. Gaussian filter
d. All of the above

Answer 2

All of the above

Question 3

Matched filter may be optimally used only for

a. Gaussian noise
b. Transit time noise
c. Flicker
d. All of the above

Answer 3

Gaussian noise

Question 4

Characteristics of Matched filter are

a. Matched filter is used to maximize Signal to noise ratio even for non Gaussian noise
b. It gives the output as signal energy in the absence of noise
c. They are used for signal detection
d. All of the above

Answer 4

All of the above

Question 5

Matched filters may be used

a. To estimate the frequency of the received signal
b. In parameter estimation problems
c. To estimate the distance of the object
d. All of the above

Answer 5

All of the above