Signal Processing Online Test 1 (Free)

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Your Name

1 / 10

The Fourier transform of a voltage signal x(t) is X(f). The unit of |X(f)| is

Volt²

Volt/sec

Volt-sec

Volt

2 / 10

The trigonometric Fourier series of an even function of time does not have

Odd harmonic terms

Cosine terms

The dc term

Sine terms

3 / 10

The Fourier series of a real periodic function has only
P. Cosine terms if it is even
Q. Sine terms if it is even
R. Cosine terms if it is odd
S. Sine terms if it is odd
Which of the above statements are correct?

Q and R

Q and S

P and R

P and S

4 / 10

The Fourier transform of a real valued time signal has

No symmetry

Conjugate symmetry

Even symmetry

Odd symmetry

5 / 10

The trigonometric Fourier series of a periodic time function can have only

Dc and cosine terms

Cosine and sine terms

Sine terms

Cosine terms

6 / 10

If G(f) represents the Fourier transform of a signal g(t) which is real and odd symmetric in time, then

G(f) is real and non-negative

G(f) is real

G(f) is imaginary

G(f) is complex

7 / 10

Two systems with impulse responses h₁(t) and h₂(t) are connected in cascade. Then the overall impulse response of the cascaded system is given by

Subtraction of h2(t) from h1(t)

Sum of h1(t) and h2(t)

Product of h1(t) and h2(t)

Convolution of h1(t) and h2(t)

8 / 10

The final value theorem is used to find the

Steady state value of the system output

Transient behaviour of the system output

Initial value of the system output

None of these

9 / 10

The ACF of a rectangular pulse of duration T is

A triangular pulse of duration 2T

A triangular pulse of duration T

A rectangular pulse of duration 2T

A rectangular pulse of duration T

10 / 10

The auto-correlation function of an energy signal has

Even symmetry

Odd symmetry

Conjugate symmetry

No symmetry

Your score is

The average score is 47%

User Name	Score
Savaliya	20%
krunal chaudhari	70%
krunal chaudhari	20%
krunal chaudhari	0%
Chaudhari Priyanka Bipinbhai	80%
Chaudhari Priyanka Bipinbhai	30%
Dc	20%
Darshna Gohil	100%
Chetan Vaghela	80%

Signal Processing Online Test 1 (Free)

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