1

GATE ECE 2009

MCQ (Single Correct Answer)

+1

-0.3

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 odd

S. Sine terms if it is odd

Which of the above statement are correct?2

GATE ECE 2009

MCQ (Single Correct Answer)

+1

-0.3

A function is given by f(t) = sin

^{2}t +cos2t . Which of the following is true?3

GATE ECE 2005

MCQ (Single Correct Answer)

+1

-0.3

Choose the function f (t );−$$\infty$$ < 1 < +$$\infty$$, for which a Fourier series cannot be
defined.

4

GATE ECE 2002

MCQ (Single Correct Answer)

+1

-0.3

Which of the following cannot be the Fourier series expansion of a periodic
signal?

Questions Asked from Representation of Continuous Time Signal Fourier Series (Marks 1)

Number in Brackets after Paper Indicates No. of Questions

GATE ECE Subjects

Signals and Systems

Representation of Continuous Time Signal Fourier Series Discrete Time Signal Fourier Series Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Transmission of Signal Through Continuous Time LTI Systems Discrete Time Linear Time Invariant Systems Sampling Continuous Time Signal Laplace Transform Discrete Fourier Transform and Fast Fourier Transform Transmission of Signal Through Discrete Time Lti Systems Miscellaneous Fourier Transform

Network Theory

Control Systems

Digital Circuits

General Aptitude

Electronic Devices and VLSI

Analog Circuits

Engineering Mathematics

Microprocessors

Communications

Electromagnetics